test_main.py

import contextlib
import json
import os
import subprocess
import tempfile
from io import StringIO
from pathlib import Path
from unittest import TestCase
from unittest.mock import MagicMock, patch

import git
from prompt_toolkit.input import DummyInput
from prompt_toolkit.output import DummyOutput

from aider.coders import Coder
from aider.dump import dump  # noqa: F401
from aider.io import InputOutput
from aider.main import check_gitignore, load_dotenv_files, main, setup_git
from aider.utils import GitTemporaryDirectory, IgnorantTemporaryDirectory, make_repo


class TestMain(TestCase):
    def setUp(self):
        self.original_env = os.environ.copy()
        os.environ["OPENAI_API_KEY"] = "deadbeef"
        os.environ["AIDER_CHECK_UPDATE"] = "false"
        os.environ["AIDER_ANALYTICS"] = "false"
        self.original_cwd = os.getcwd()
        self.tempdir_obj = IgnorantTemporaryDirectory()
        self.tempdir = self.tempdir_obj.name
        os.chdir(self.tempdir)
        # Fake home directory prevents tests from using the real ~/.aider.conf.yml file:
        self.homedir_obj = IgnorantTemporaryDirectory()
        os.environ["HOME"] = self.homedir_obj.name
        self.input_patcher = patch("builtins.input", return_value=None)
        self.mock_input = self.input_patcher.start()
        self.webbrowser_patcher = patch("aider.io.webbrowser.open")
        self.mock_webbrowser = self.webbrowser_patcher.start()

    def tearDown(self):
        os.chdir(self.original_cwd)
        self.tempdir_obj.cleanup()
        self.homedir_obj.cleanup()
        os.environ.clear()
        os.environ.update(self.original_env)
        self.input_patcher.stop()
        self.webbrowser_patcher.stop()

    def test_main_with_empty_dir_no_files_on_command(self):
        main(["--no-git", "--exit", "--yes"], input=DummyInput(), output=DummyOutput())

    def test_main_with_emptqy_dir_new_file(self):
        main(["foo.txt", "--yes", "--no-git", "--exit"], input=DummyInput(), output=DummyOutput())
        self.assertTrue(os.path.exists("foo.txt"))

    @patch("aider.repo.GitRepo.get_commit_message", return_value="mock commit message")
    def test_main_with_empty_git_dir_new_file(self, _):
        make_repo()
        main(["--yes", "foo.txt", "--exit"], input=DummyInput(), output=DummyOutput())
        self.assertTrue(os.path.exists("foo.txt"))

    @patch("aider.repo.GitRepo.get_commit_message", return_value="mock commit message")
    def test_main_with_empty_git_dir_new_files(self, _):
        make_repo()
        main(["--yes", "foo.txt", "bar.txt", "--exit"], input=DummyInput(), output=DummyOutput())
        self.assertTrue(os.path.exists("foo.txt"))
        self.assertTrue(os.path.exists("bar.txt"))

    def test_main_with_dname_and_fname(self):
        subdir = Path("subdir")
        subdir.mkdir()
        make_repo(str(subdir))
        res = main(["subdir", "foo.txt"], input=DummyInput(), output=DummyOutput())
        self.assertNotEqual(res, None)

    @patch("aider.repo.GitRepo.get_commit_message", return_value="mock commit message")
    def test_main_with_subdir_repo_fnames(self, _):
        subdir = Path("subdir")
        subdir.mkdir()
        make_repo(str(subdir))
        main(
            ["--yes", str(subdir / "foo.txt"), str(subdir / "bar.txt"), "--exit"],
            input=DummyInput(),
            output=DummyOutput(),
        )
        self.assertTrue((subdir / "foo.txt").exists())
        self.assertTrue((subdir / "bar.txt").exists())

    def test_main_with_git_config_yml(self):
        make_repo()

        Path(".aider.conf.yml").write_text("auto-commits: false\n")
        with patch("aider.coders.Coder.create") as MockCoder:
            main(["--yes"], input=DummyInput(), output=DummyOutput())
            _, kwargs = MockCoder.call_args
            assert kwargs["auto_commits"] is False

        Path(".aider.conf.yml").write_text("auto-commits: true\n")
        with patch("aider.coders.Coder.create") as MockCoder:
            main([], input=DummyInput(), output=DummyOutput())
            _, kwargs = MockCoder.call_args
            assert kwargs["auto_commits"] is True

    def test_main_with_unreadable_config_file(self):
        # A directory named .aider.conf.yml can not be opened as a config file.
        # aider should print a friendly error and exit non-zero instead of
        # dumping an uncaught PermissionError/IsADirectoryError traceback.
        # https://github.com/Aider-AI/aider/issues/5466
        Path(".aider.conf.yml").mkdir()
        stdout = StringIO()
        with contextlib.redirect_stdout(stdout):
            result = main(["--exit"], input=DummyInput(), output=DummyOutput())
        self.assertEqual(result, 1)
        self.assertIn("Unable to read configuration file", stdout.getvalue())

    def test_main_with_empty_git_dir_new_subdir_file(self):
        make_repo()
        subdir = Path("subdir")
        subdir.mkdir()
        fname = subdir / "foo.txt"
        fname.touch()
        subprocess.run(["git", "add", str(subdir)])
        subprocess.run(["git", "commit", "-m", "added"])

        # This will throw a git error on windows if get_tracked_files doesn't
        # properly convert git/posix/paths to git\posix\paths.
        # Because aider will try and `git add` a file that's already in the repo.
        main(["--yes", str(fname), "--exit"], input=DummyInput(), output=DummyOutput())

    def test_setup_git(self):
        io = InputOutput(pretty=False, yes=True)
        git_root = setup_git(None, io)
        git_root = Path(git_root).resolve()
        self.assertEqual(git_root, Path(self.tempdir).resolve())

        self.assertTrue(git.Repo(self.tempdir))

        gitignore = Path.cwd() / ".gitignore"
        self.assertTrue(gitignore.exists())
        self.assertEqual(".aider*", gitignore.read_text().splitlines()[0])

    def test_check_gitignore(self):
        with GitTemporaryDirectory():
            os.environ["GIT_CONFIG_GLOBAL"] = "globalgitconfig"

            io = InputOutput(pretty=False, yes=True)
            cwd = Path.cwd()
            gitignore = cwd / ".gitignore"

            self.assertFalse(gitignore.exists())
            check_gitignore(cwd, io)
            self.assertTrue(gitignore.exists())

            self.assertEqual(".aider*", gitignore.read_text().splitlines()[0])

            # Test without .env file present
            gitignore.write_text("one\ntwo\n")
            check_gitignore(cwd, io)
            self.assertEqual("one\ntwo\n.aider*\n", gitignore.read_text())

            # Test with .env file present
            env_file = cwd / ".env"
            env_file.touch()
            check_gitignore(cwd, io)
            self.assertEqual("one\ntwo\n.aider*\n.env\n", gitignore.read_text())
            del os.environ["GIT_CONFIG_GLOBAL"]

    def test_command_line_gitignore_files_flag(self):
        with GitTemporaryDirectory() as git_dir:
            git_dir = Path(git_dir)

            # Create a .gitignore file
            gitignore_file = git_dir / ".gitignore"
            gitignore_file.write_text("ignored.txt\n")

            # Create an ignored file
            ignored_file = git_dir / "ignored.txt"
            ignored_file.write_text("This file should be ignored.")

            # Get the absolute path to the ignored file
            abs_ignored_file = str(ignored_file.resolve())

            # Test without the --add-gitignore-files flag (default: False)
            coder = main(
                ["--exit", "--yes", abs_ignored_file],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
                force_git_root=git_dir,
            )
            # Verify the ignored file is not in the chat
            self.assertNotIn(abs_ignored_file, coder.abs_fnames)

            # Test with --add-gitignore-files set to True
            coder = main(
                ["--add-gitignore-files", "--exit", "--yes", abs_ignored_file],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
                force_git_root=git_dir,
            )
            # Verify the ignored file is in the chat
            self.assertIn(abs_ignored_file, coder.abs_fnames)

            # Test with --add-gitignore-files set to False
            coder = main(
                ["--no-add-gitignore-files", "--exit", "--yes", abs_ignored_file],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
                force_git_root=git_dir,
            )
            # Verify the ignored file is not in the chat
            self.assertNotIn(abs_ignored_file, coder.abs_fnames)

    def test_add_command_gitignore_files_flag(self):
        with GitTemporaryDirectory() as git_dir:
            git_dir = Path(git_dir)

            # Create a .gitignore file
            gitignore_file = git_dir / ".gitignore"
            gitignore_file.write_text("ignored.txt\n")

            # Create an ignored file
            ignored_file = git_dir / "ignored.txt"
            ignored_file.write_text("This file should be ignored.")

            # Get the absolute path to the ignored file
            abs_ignored_file = str(ignored_file.resolve())
            rel_ignored_file = "ignored.txt"

            # Test without the --add-gitignore-files flag (default: False)
            coder = main(
                ["--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
                force_git_root=git_dir,
            )

            with patch.object(coder.io, "confirm_ask", return_value=True):
                coder.commands.cmd_add(rel_ignored_file)

            # Verify the ignored file is not in the chat
            self.assertNotIn(abs_ignored_file, coder.abs_fnames)

            # Test with --add-gitignore-files set to True
            coder = main(
                ["--add-gitignore-files", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
                force_git_root=git_dir,
            )
            with patch.object(coder.io, "confirm_ask", return_value=True):
                coder.commands.cmd_add(rel_ignored_file)

            # Verify the ignored file is in the chat
            self.assertIn(abs_ignored_file, coder.abs_fnames)

            # Test with --add-gitignore-files set to False
            coder = main(
                ["--no-add-gitignore-files", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
                force_git_root=git_dir,
            )

            with patch.object(coder.io, "confirm_ask", return_value=True):
                coder.commands.cmd_add(rel_ignored_file)

            # Verify the ignored file is not in the chat
            self.assertNotIn(abs_ignored_file, coder.abs_fnames)

    def test_main_args(self):
        with patch("aider.coders.Coder.create") as MockCoder:
            # --yes will just ok the git repo without blocking on input
            # following calls to main will see the new repo already
            main(["--no-auto-commits", "--yes"], input=DummyInput())
            _, kwargs = MockCoder.call_args
            assert kwargs["auto_commits"] is False

        with patch("aider.coders.Coder.create") as MockCoder:
            main(["--auto-commits"], input=DummyInput())
            _, kwargs = MockCoder.call_args
            assert kwargs["auto_commits"] is True

        with patch("aider.coders.Coder.create") as MockCoder:
            main([], input=DummyInput())
            _, kwargs = MockCoder.call_args
            assert kwargs["dirty_commits"] is True
            assert kwargs["auto_commits"] is True

        with patch("aider.coders.Coder.create") as MockCoder:
            main(["--no-dirty-commits"], input=DummyInput())
            _, kwargs = MockCoder.call_args
            assert kwargs["dirty_commits"] is False

        with patch("aider.coders.Coder.create") as MockCoder:
            main(["--dirty-commits"], input=DummyInput())
            _, kwargs = MockCoder.call_args
            assert kwargs["dirty_commits"] is True

    def test_env_file_override(self):
        with GitTemporaryDirectory() as git_dir:
            git_dir = Path(git_dir)
            git_env = git_dir / ".env"

            fake_home = git_dir / "fake_home"
            fake_home.mkdir()
            os.environ["HOME"] = str(fake_home)
            home_env = fake_home / ".env"

            cwd = git_dir / "subdir"
            cwd.mkdir()
            os.chdir(cwd)
            cwd_env = cwd / ".env"

            named_env = git_dir / "named.env"

            os.environ["E"] = "existing"
            home_env.write_text("A=home\nB=home\nC=home\nD=home")
            git_env.write_text("A=git\nB=git\nC=git")
            cwd_env.write_text("A=cwd\nB=cwd")
            named_env.write_text("A=named")

            with patch("pathlib.Path.home", return_value=fake_home):
                main(["--yes", "--exit", "--env-file", str(named_env)])

            self.assertEqual(os.environ["A"], "named")
            self.assertEqual(os.environ["B"], "cwd")
            self.assertEqual(os.environ["C"], "git")
            self.assertEqual(os.environ["D"], "home")
            self.assertEqual(os.environ["E"], "existing")

    def test_message_file_flag(self):
        message_file_content = "This is a test message from a file."
        message_file_path = tempfile.mktemp()
        with open(message_file_path, "w", encoding="utf-8") as message_file:
            message_file.write(message_file_content)

        with patch("aider.coders.Coder.create") as MockCoder:
            MockCoder.return_value.run = MagicMock()
            main(
                ["--yes", "--message-file", message_file_path],
                input=DummyInput(),
                output=DummyOutput(),
            )
            MockCoder.return_value.run.assert_called_once_with(with_message=message_file_content)

        os.remove(message_file_path)

    def test_encodings_arg(self):
        fname = "foo.py"

        with GitTemporaryDirectory():
            with patch("aider.coders.Coder.create") as MockCoder:  # noqa: F841
                with patch("aider.main.InputOutput") as MockSend:

                    def side_effect(*args, **kwargs):
                        self.assertEqual(kwargs["encoding"], "iso-8859-15")
                        return MagicMock()

                    MockSend.side_effect = side_effect

                    main(["--yes", fname, "--encoding", "iso-8859-15"])

    def test_main_exit_calls_version_check(self):
        with GitTemporaryDirectory():
            with (
                patch("aider.main.check_version") as mock_check_version,
                patch("aider.main.InputOutput") as mock_input_output,
            ):
                main(["--exit", "--check-update"], input=DummyInput(), output=DummyOutput())
                mock_check_version.assert_called_once()
                mock_input_output.assert_called_once()

    @patch("aider.main.InputOutput")
    @patch("aider.coders.base_coder.Coder.run")
    def test_main_message_adds_to_input_history(self, mock_run, MockInputOutput):
        test_message = "test message"
        mock_io_instance = MockInputOutput.return_value

        main(["--message", test_message], input=DummyInput(), output=DummyOutput())

        mock_io_instance.add_to_input_history.assert_called_once_with(test_message)

    @patch("aider.main.InputOutput")
    @patch("aider.coders.base_coder.Coder.run")
    def test_yes(self, mock_run, MockInputOutput):
        test_message = "test message"

        main(["--yes", "--message", test_message])
        args, kwargs = MockInputOutput.call_args
        self.assertTrue(args[1])

    @patch("aider.main.InputOutput")
    @patch("aider.coders.base_coder.Coder.run")
    def test_default_yes(self, mock_run, MockInputOutput):
        test_message = "test message"

        main(["--message", test_message])
        args, kwargs = MockInputOutput.call_args
        self.assertEqual(args[1], None)

    def test_dark_mode_sets_code_theme(self):
        # Mock InputOutput to capture the configuration
        with patch("aider.main.InputOutput") as MockInputOutput:
            MockInputOutput.return_value.get_input.return_value = None
            main(["--dark-mode", "--no-git", "--exit"], input=DummyInput(), output=DummyOutput())
            # Ensure InputOutput was called
            MockInputOutput.assert_called_once()
            # Check if the code_theme setting is for dark mode
            _, kwargs = MockInputOutput.call_args
            self.assertEqual(kwargs["code_theme"], "monokai")

    def test_light_mode_sets_code_theme(self):
        # Mock InputOutput to capture the configuration
        with patch("aider.main.InputOutput") as MockInputOutput:
            MockInputOutput.return_value.get_input.return_value = None
            main(["--light-mode", "--no-git", "--exit"], input=DummyInput(), output=DummyOutput())
            # Ensure InputOutput was called
            MockInputOutput.assert_called_once()
            # Check if the code_theme setting is for light mode
            _, kwargs = MockInputOutput.call_args
            self.assertEqual(kwargs["code_theme"], "default")

    def create_env_file(self, file_name, content):
        env_file_path = Path(self.tempdir) / file_name
        env_file_path.write_text(content)
        return env_file_path

    def test_env_file_flag_sets_automatic_variable(self):
        env_file_path = self.create_env_file(".env.test", "AIDER_DARK_MODE=True")
        with patch("aider.main.InputOutput") as MockInputOutput:
            MockInputOutput.return_value.get_input.return_value = None
            MockInputOutput.return_value.get_input.confirm_ask = True
            main(
                ["--env-file", str(env_file_path), "--no-git", "--exit"],
                input=DummyInput(),
                output=DummyOutput(),
            )
            MockInputOutput.assert_called_once()
            # Check if the color settings are for dark mode
            _, kwargs = MockInputOutput.call_args
            self.assertEqual(kwargs["code_theme"], "monokai")

    def test_default_env_file_sets_automatic_variable(self):
        self.create_env_file(".env", "AIDER_DARK_MODE=True")
        with patch("aider.main.InputOutput") as MockInputOutput:
            MockInputOutput.return_value.get_input.return_value = None
            MockInputOutput.return_value.get_input.confirm_ask = True
            main(["--no-git", "--exit"], input=DummyInput(), output=DummyOutput())
            # Ensure InputOutput was called
            MockInputOutput.assert_called_once()
            # Check if the color settings are for dark mode
            _, kwargs = MockInputOutput.call_args
            self.assertEqual(kwargs["code_theme"], "monokai")

    def test_false_vals_in_env_file(self):
        self.create_env_file(".env", "AIDER_SHOW_DIFFS=off")
        with patch("aider.coders.Coder.create") as MockCoder:
            main(["--no-git", "--yes"], input=DummyInput(), output=DummyOutput())
            MockCoder.assert_called_once()
            _, kwargs = MockCoder.call_args
            self.assertEqual(kwargs["show_diffs"], False)

    def test_true_vals_in_env_file(self):
        self.create_env_file(".env", "AIDER_SHOW_DIFFS=on")
        with patch("aider.coders.Coder.create") as MockCoder:
            main(["--no-git", "--yes"], input=DummyInput(), output=DummyOutput())
            MockCoder.assert_called_once()
            _, kwargs = MockCoder.call_args
            self.assertEqual(kwargs["show_diffs"], True)

    def test_lint_option(self):
        with GitTemporaryDirectory() as git_dir:
            # Create a dirty file in the root
            dirty_file = Path("dirty_file.py")
            dirty_file.write_text("def foo():\n    return 'bar'")

            repo = git.Repo(".")
            repo.git.add(str(dirty_file))
            repo.git.commit("-m", "new")

            dirty_file.write_text("def foo():\n    return '!!!!!'")

            # Create a subdirectory
            subdir = Path(git_dir) / "subdir"
            subdir.mkdir()

            # Change to the subdirectory
            os.chdir(subdir)

            # Mock the Linter class
            with patch("aider.linter.Linter.lint") as MockLinter:
                MockLinter.return_value = ""

                # Run main with --lint option
                main(["--lint", "--yes"])

                # Check if the Linter was called with a filename ending in "dirty_file.py"
                # but not ending in "subdir/dirty_file.py"
                MockLinter.assert_called_once()
                called_arg = MockLinter.call_args[0][0]
                self.assertTrue(called_arg.endswith("dirty_file.py"))
                self.assertFalse(called_arg.endswith(f"subdir{os.path.sep}dirty_file.py"))

    def test_verbose_mode_lists_env_vars(self):
        self.create_env_file(".env", "AIDER_DARK_MODE=on")
        with patch("sys.stdout", new_callable=StringIO) as mock_stdout:
            main(
                ["--no-git", "--verbose", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
            )
            output = mock_stdout.getvalue()
            relevant_output = "\n".join(
                line
                for line in output.splitlines()
                if "AIDER_DARK_MODE" in line or "dark_mode" in line
            )  # this bit just helps failing assertions to be easier to read
            self.assertIn("AIDER_DARK_MODE", relevant_output)
            self.assertIn("dark_mode", relevant_output)
            self.assertRegex(relevant_output, r"AIDER_DARK_MODE:\s+on")
            self.assertRegex(relevant_output, r"dark_mode:\s+True")

    def test_yaml_config_file_loading(self):
        with GitTemporaryDirectory() as git_dir:
            git_dir = Path(git_dir)

            # Create fake home directory
            fake_home = git_dir / "fake_home"
            fake_home.mkdir()
            os.environ["HOME"] = str(fake_home)

            # Create subdirectory as current working directory
            cwd = git_dir / "subdir"
            cwd.mkdir()
            os.chdir(cwd)

            # Create .aider.conf.yml files in different locations
            home_config = fake_home / ".aider.conf.yml"
            git_config = git_dir / ".aider.conf.yml"
            cwd_config = cwd / ".aider.conf.yml"
            named_config = git_dir / "named.aider.conf.yml"

            cwd_config.write_text("model: gpt-4-32k\nmap-tokens: 4096\n")
            git_config.write_text("model: gpt-4\nmap-tokens: 2048\n")
            home_config.write_text("model: gpt-3.5-turbo\nmap-tokens: 1024\n")
            named_config.write_text("model: gpt-4-1106-preview\nmap-tokens: 8192\n")

            with (
                patch("pathlib.Path.home", return_value=fake_home),
                patch("aider.coders.Coder.create") as MockCoder,
            ):
                # Test loading from specified config file
                main(
                    ["--yes", "--exit", "--config", str(named_config)],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                _, kwargs = MockCoder.call_args
                self.assertEqual(kwargs["main_model"].name, "gpt-4-1106-preview")
                self.assertEqual(kwargs["map_tokens"], 8192)

                # Test loading from current working directory
                main(["--yes", "--exit"], input=DummyInput(), output=DummyOutput())
                _, kwargs = MockCoder.call_args
                print("kwargs:", kwargs)  # Add this line for debugging
                self.assertIn("main_model", kwargs, "main_model key not found in kwargs")
                self.assertEqual(kwargs["main_model"].name, "gpt-4-32k")
                self.assertEqual(kwargs["map_tokens"], 4096)

                # Test loading from git root
                cwd_config.unlink()
                main(["--yes", "--exit"], input=DummyInput(), output=DummyOutput())
                _, kwargs = MockCoder.call_args
                self.assertEqual(kwargs["main_model"].name, "gpt-4")
                self.assertEqual(kwargs["map_tokens"], 2048)

                # Test loading from home directory
                git_config.unlink()
                main(["--yes", "--exit"], input=DummyInput(), output=DummyOutput())
                _, kwargs = MockCoder.call_args
                self.assertEqual(kwargs["main_model"].name, "gpt-3.5-turbo")
                self.assertEqual(kwargs["map_tokens"], 1024)

    def test_map_tokens_option(self):
        with GitTemporaryDirectory():
            with patch("aider.coders.base_coder.RepoMap") as MockRepoMap:
                MockRepoMap.return_value.max_map_tokens = 0
                main(
                    ["--model", "gpt-4", "--map-tokens", "0", "--exit", "--yes"],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                MockRepoMap.assert_not_called()

    def test_map_tokens_option_with_non_zero_value(self):
        with GitTemporaryDirectory():
            with patch("aider.coders.base_coder.RepoMap") as MockRepoMap:
                MockRepoMap.return_value.max_map_tokens = 1000
                main(
                    ["--model", "gpt-4", "--map-tokens", "1000", "--exit", "--yes"],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                MockRepoMap.assert_called_once()

    def test_read_option(self):
        with GitTemporaryDirectory():
            test_file = "test_file.txt"
            Path(test_file).touch()

            coder = main(
                ["--read", test_file, "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )

            self.assertIn(str(Path(test_file).resolve()), coder.abs_read_only_fnames)

    def test_read_option_with_external_file(self):
        with tempfile.NamedTemporaryFile(mode="w", delete=False) as external_file:
            external_file.write("External file content")
            external_file_path = external_file.name

        try:
            with GitTemporaryDirectory():
                coder = main(
                    ["--read", external_file_path, "--exit", "--yes"],
                    input=DummyInput(),
                    output=DummyOutput(),
                    return_coder=True,
                )

                real_external_file_path = os.path.realpath(external_file_path)
                self.assertIn(real_external_file_path, coder.abs_read_only_fnames)
        finally:
            os.unlink(external_file_path)

    def test_model_metadata_file(self):
        # Re-init so we don't have old data lying around from earlier test cases
        from aider import models

        models.model_info_manager = models.ModelInfoManager()

        from aider.llm import litellm

        litellm._lazy_module = None

        with GitTemporaryDirectory():
            metadata_file = Path(".aider.model.metadata.json")

            # must be a fully qualified model name: provider/...
            metadata_content = {"deepseek/deepseek-chat": {"max_input_tokens": 1234}}
            metadata_file.write_text(json.dumps(metadata_content))

            coder = main(
                [
                    "--model",
                    "deepseek/deepseek-chat",
                    "--model-metadata-file",
                    str(metadata_file),
                    "--exit",
                    "--yes",
                ],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )

            self.assertEqual(coder.main_model.info["max_input_tokens"], 1234)

    def test_sonnet_and_cache_options(self):
        with GitTemporaryDirectory():
            with patch("aider.coders.base_coder.RepoMap") as MockRepoMap:
                mock_repo_map = MagicMock()
                mock_repo_map.max_map_tokens = 1000  # Set a specific value
                MockRepoMap.return_value = mock_repo_map

                main(
                    ["--sonnet", "--cache-prompts", "--exit", "--yes"],
                    input=DummyInput(),
                    output=DummyOutput(),
                )

                MockRepoMap.assert_called_once()
                call_args, call_kwargs = MockRepoMap.call_args
                self.assertEqual(
                    call_kwargs.get("refresh"), "files"
                )  # Check the 'refresh' keyword argument

    def test_sonnet_and_cache_prompts_options(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--sonnet", "--cache-prompts", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )

            self.assertTrue(coder.add_cache_headers)

    def test_4o_and_cache_options(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--4o", "--cache-prompts", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )

            self.assertFalse(coder.add_cache_headers)

    def test_return_coder(self):
        with GitTemporaryDirectory():
            result = main(
                ["--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            self.assertIsInstance(result, Coder)

            result = main(
                ["--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=False,
            )
            self.assertIsNone(result)

    def test_map_mul_option(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--map-mul", "5", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            self.assertIsInstance(coder, Coder)
            self.assertEqual(coder.repo_map.map_mul_no_files, 5)

    def test_suggest_shell_commands_default(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            self.assertTrue(coder.suggest_shell_commands)

    def test_suggest_shell_commands_disabled(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--no-suggest-shell-commands", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            self.assertFalse(coder.suggest_shell_commands)

    def test_suggest_shell_commands_enabled(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--suggest-shell-commands", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            self.assertTrue(coder.suggest_shell_commands)

    def test_detect_urls_default(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            self.assertTrue(coder.detect_urls)

    def test_detect_urls_disabled(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--no-detect-urls", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            self.assertFalse(coder.detect_urls)

    def test_detect_urls_enabled(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--detect-urls", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            self.assertTrue(coder.detect_urls)

    def test_accepts_settings_warnings(self):
        # Test that appropriate warnings are shown based on accepts_settings configuration
        with GitTemporaryDirectory():
            # Test model that accepts the thinking_tokens setting
            with (
                patch("aider.io.InputOutput.tool_warning") as mock_warning,
                patch("aider.models.Model.set_thinking_tokens") as mock_set_thinking,
            ):
                main(
                    [
                        "--model",
                        "anthropic/claude-3-7-sonnet-20250219",
                        "--thinking-tokens",
                        "1000",
                        "--yes",
                        "--exit",
                    ],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                # No warning should be shown as this model accepts thinking_tokens
                for call in mock_warning.call_args_list:
                    self.assertNotIn("thinking_tokens", call[0][0])
                # Method should be called
                mock_set_thinking.assert_called_once_with("1000")

            # Test model that doesn't have accepts_settings for thinking_tokens
            with (
                patch("aider.io.InputOutput.tool_warning") as mock_warning,
                patch("aider.models.Model.set_thinking_tokens") as mock_set_thinking,
            ):
                main(
                    [
                        "--model",
                        "gpt-4o",
                        "--thinking-tokens",
                        "1000",
                        "--check-model-accepts-settings",
                        "--yes",
                        "--exit",
                    ],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                # Warning should be shown
                warning_shown = False
                for call in mock_warning.call_args_list:
                    if "thinking_tokens" in call[0][0]:
                        warning_shown = True
                self.assertTrue(warning_shown)
                # Method should NOT be called because model doesn't support it and check flag is on
                mock_set_thinking.assert_not_called()

            # Test model that accepts the reasoning_effort setting
            with (
                patch("aider.io.InputOutput.tool_warning") as mock_warning,
                patch("aider.models.Model.set_reasoning_effort") as mock_set_reasoning,
            ):
                main(
                    ["--model", "o1", "--reasoning-effort", "3", "--yes", "--exit"],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                # No warning should be shown as this model accepts reasoning_effort
                for call in mock_warning.call_args_list:
                    self.assertNotIn("reasoning_effort", call[0][0])
                # Method should be called
                mock_set_reasoning.assert_called_once_with("3")

            # Test model that doesn't have accepts_settings for reasoning_effort
            with (
                patch("aider.io.InputOutput.tool_warning") as mock_warning,
                patch("aider.models.Model.set_reasoning_effort") as mock_set_reasoning,
            ):
                main(
                    ["--model", "gpt-3.5-turbo", "--reasoning-effort", "3", "--yes", "--exit"],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                # Warning should be shown
                warning_shown = False
                for call in mock_warning.call_args_list:
                    if "reasoning_effort" in call[0][0]:
                        warning_shown = True
                self.assertTrue(warning_shown)
                # Method should still be called by default
                mock_set_reasoning.assert_not_called()

    @patch("aider.models.ModelInfoManager.set_verify_ssl")
    def test_no_verify_ssl_sets_model_info_manager(self, mock_set_verify_ssl):
        with GitTemporaryDirectory():
            # Mock Model class to avoid actual model initialization
            with patch("aider.models.Model") as mock_model:
                # Configure the mock to avoid the TypeError
                mock_model.return_value.info = {}
                mock_model.return_value.name = "gpt-4"  # Add a string name
                mock_model.return_value.validate_environment.return_value = {
                    "missing_keys": [],
                    "keys_in_environment": [],
                }

                # Mock fuzzy_match_models to avoid string operations on MagicMock
                with patch("aider.models.fuzzy_match_models", return_value=[]):
                    main(
                        ["--no-verify-ssl", "--exit", "--yes"],
                        input=DummyInput(),
                        output=DummyOutput(),
                    )
                mock_set_verify_ssl.assert_called_once_with(False)

    def test_pytest_env_vars(self):
        # Verify that environment variables from pytest.ini are properly set
        self.assertEqual(os.environ.get("AIDER_ANALYTICS"), "false")

    def test_set_env_single(self):
        # Test setting a single environment variable
        with GitTemporaryDirectory():
            main(["--set-env", "TEST_VAR=test_value", "--exit", "--yes"])
            self.assertEqual(os.environ.get("TEST_VAR"), "test_value")

    def test_set_env_multiple(self):
        # Test setting multiple environment variables
        with GitTemporaryDirectory():
            main(
                [
                    "--set-env",
                    "TEST_VAR1=value1",
                    "--set-env",
                    "TEST_VAR2=value2",
                    "--exit",
                    "--yes",
                ]
            )
            self.assertEqual(os.environ.get("TEST_VAR1"), "value1")
            self.assertEqual(os.environ.get("TEST_VAR2"), "value2")

    def test_set_env_with_spaces(self):
        # Test setting env var with spaces in value
        with GitTemporaryDirectory():
            main(["--set-env", "TEST_VAR=test value with spaces", "--exit", "--yes"])
            self.assertEqual(os.environ.get("TEST_VAR"), "test value with spaces")

    def test_set_env_invalid_format(self):
        # Test invalid format handling
        with GitTemporaryDirectory():
            result = main(["--set-env", "INVALID_FORMAT", "--exit", "--yes"])
            self.assertEqual(result, 1)

    def test_api_key_single(self):
        # Test setting a single API key
        with GitTemporaryDirectory():
            main(["--api-key", "anthropic=test-key", "--exit", "--yes"])
            self.assertEqual(os.environ.get("ANTHROPIC_API_KEY"), "test-key")

    def test_api_key_multiple(self):
        # Test setting multiple API keys
        with GitTemporaryDirectory():
            main(["--api-key", "anthropic=key1", "--api-key", "openai=key2", "--exit", "--yes"])
            self.assertEqual(os.environ.get("ANTHROPIC_API_KEY"), "key1")
            self.assertEqual(os.environ.get("OPENAI_API_KEY"), "key2")

    def test_api_key_invalid_format(self):
        # Test invalid format handling
        with GitTemporaryDirectory():
            result = main(["--api-key", "INVALID_FORMAT", "--exit", "--yes"])
            self.assertEqual(result, 1)

    def test_git_config_include(self):
        # Test that aider respects git config includes for user.name and user.email
        with GitTemporaryDirectory() as git_dir:
            git_dir = Path(git_dir)

            # Create an includable config file with user settings
            include_config = git_dir / "included.gitconfig"
            include_config.write_text(
                "[user]\n    name = Included User\n    email = included@example.com\n"
            )

            # Set up main git config to include the other file
            repo = git.Repo(git_dir)
            include_path = str(include_config).replace("\\", "/")
            repo.git.config("--local", "include.path", str(include_path))

            # Verify the config is set up correctly using git command
            self.assertEqual(repo.git.config("user.name"), "Included User")
            self.assertEqual(repo.git.config("user.email"), "included@example.com")

            # Manually check the git config file to confirm include directive
            git_config_path = git_dir / ".git" / "config"
            git_config_content = git_config_path.read_text()

            # Run aider and verify it doesn't change the git config
            main(["--yes", "--exit"], input=DummyInput(), output=DummyOutput())

            # Check that the user settings are still the same using git command
            repo = git.Repo(git_dir)  # Re-open repo to ensure we get fresh config
            self.assertEqual(repo.git.config("user.name"), "Included User")
            self.assertEqual(repo.git.config("user.email"), "included@example.com")

            # Manually check the git config file again to ensure it wasn't modified
            git_config_content_after = git_config_path.read_text()
            self.assertEqual(git_config_content, git_config_content_after)

    def test_git_config_include_directive(self):
        # Test that aider respects the include directive in git config
        with GitTemporaryDirectory() as git_dir:
            git_dir = Path(git_dir)

            # Create an includable config file with user settings
            include_config = git_dir / "included.gitconfig"
            include_config.write_text(
                "[user]\n    name = Directive User\n    email = directive@example.com\n"
            )

            # Set up main git config with include directive
            git_config = git_dir / ".git" / "config"
            # Use normalized path with forward slashes for git config
            include_path = str(include_config).replace("\\", "/")
            with open(git_config, "a") as f:
                f.write(f"\n[include]\n    path = {include_path}\n")

            # Read the modified config file
            modified_config_content = git_config.read_text()

            # Verify the include directive was added correctly
            self.assertIn("[include]", modified_config_content)

            # Verify the config is set up correctly using git command
            repo = git.Repo(git_dir)
            self.assertEqual(repo.git.config("user.name"), "Directive User")
            self.assertEqual(repo.git.config("user.email"), "directive@example.com")

            # Run aider and verify it doesn't change the git config
            main(["--yes", "--exit"], input=DummyInput(), output=DummyOutput())

            # Check that the git config file wasn't modified
            config_after_aider = git_config.read_text()
            self.assertEqual(modified_config_content, config_after_aider)

            # Check that the user settings are still the same using git command
            repo = git.Repo(git_dir)  # Re-open repo to ensure we get fresh config
            self.assertEqual(repo.git.config("user.name"), "Directive User")
            self.assertEqual(repo.git.config("user.email"), "directive@example.com")

    def test_resolve_aiderignore_path(self):
        # Import the function directly to test it
        from aider.args import resolve_aiderignore_path

        # Test with absolute path
        abs_path = os.path.abspath("/tmp/test/.aiderignore")
        self.assertEqual(resolve_aiderignore_path(abs_path), abs_path)

        # Test with relative path and git root
        git_root = "/path/to/git/root"
        rel_path = ".aiderignore"
        self.assertEqual(
            resolve_aiderignore_path(rel_path, git_root), str(Path(git_root) / rel_path)
        )

        # Test with relative path and no git root
        rel_path = ".aiderignore"
        self.assertEqual(resolve_aiderignore_path(rel_path), rel_path)

    def test_invalid_edit_format(self):
        with GitTemporaryDirectory():
            # Suppress stderr for this test as argparse prints an error message
            with patch("sys.stderr", new_callable=StringIO) as mock_stderr:
                with self.assertRaises(SystemExit) as cm:
                    _ = main(
                        ["--edit-format", "not-a-real-format", "--exit", "--yes"],
                        input=DummyInput(),
                        output=DummyOutput(),
                    )
                # argparse.ArgumentParser.exit() is called with status 2 for invalid choice
                self.assertEqual(cm.exception.code, 2)
                stderr_output = mock_stderr.getvalue()
                self.assertIn("invalid choice", stderr_output)
                self.assertIn("not-a-real-format", stderr_output)

    def test_default_model_selection(self):
        with GitTemporaryDirectory():
            # Test Anthropic API key
            os.environ["ANTHROPIC_API_KEY"] = "test-key"
            coder = main(
                ["--exit", "--yes"], input=DummyInput(), output=DummyOutput(), return_coder=True
            )
            self.assertIn("sonnet", coder.main_model.name.lower())
            del os.environ["ANTHROPIC_API_KEY"]

            # Test DeepSeek API key
            os.environ["DEEPSEEK_API_KEY"] = "test-key"
            coder = main(
                ["--exit", "--yes"], input=DummyInput(), output=DummyOutput(), return_coder=True
            )
            self.assertIn("deepseek", coder.main_model.name.lower())
            del os.environ["DEEPSEEK_API_KEY"]

            # Test OpenRouter API key
            os.environ["OPENROUTER_API_KEY"] = "test-key"
            coder = main(
                ["--exit", "--yes"], input=DummyInput(), output=DummyOutput(), return_coder=True
            )
            self.assertIn("openrouter/", coder.main_model.name.lower())
            del os.environ["OPENROUTER_API_KEY"]

            # Test OpenAI API key
            os.environ["OPENAI_API_KEY"] = "test-key"
            coder = main(
                ["--exit", "--yes"], input=DummyInput(), output=DummyOutput(), return_coder=True
            )
            self.assertIn("gpt-4", coder.main_model.name.lower())
            del os.environ["OPENAI_API_KEY"]

            # Test Gemini API key
            os.environ["GEMINI_API_KEY"] = "test-key"
            coder = main(
                ["--exit", "--yes"], input=DummyInput(), output=DummyOutput(), return_coder=True
            )
            self.assertIn("gemini", coder.main_model.name.lower())
            del os.environ["GEMINI_API_KEY"]

            # Test no API keys - should offer OpenRouter OAuth
            with patch("aider.onboarding.offer_openrouter_oauth") as mock_offer_oauth:
                mock_offer_oauth.return_value = None  # Simulate user declining or failure
                result = main(["--exit", "--yes"], input=DummyInput(), output=DummyOutput())
                self.assertEqual(result, 1)  # Expect failure since no model could be selected
                mock_offer_oauth.assert_called_once()

    def test_model_precedence(self):
        with GitTemporaryDirectory():
            # Test that earlier API keys take precedence
            os.environ["ANTHROPIC_API_KEY"] = "test-key"
            os.environ["OPENAI_API_KEY"] = "test-key"
            coder = main(
                ["--exit", "--yes"], input=DummyInput(), output=DummyOutput(), return_coder=True
            )
            self.assertIn("sonnet", coder.main_model.name.lower())
            del os.environ["ANTHROPIC_API_KEY"]
            del os.environ["OPENAI_API_KEY"]

    def test_chat_language_spanish(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--chat-language", "Spanish", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            system_info = coder.get_platform_info()
            self.assertIn("Spanish", system_info)

    def test_commit_language_japanese(self):
        with GitTemporaryDirectory():
            coder = main(
                ["--commit-language", "japanese", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            self.assertIn("japanese", coder.commit_language)

    @patch("git.Repo.init")
    def test_main_exit_with_git_command_not_found(self, mock_git_init):
        mock_git_init.side_effect = git.exc.GitCommandNotFound("git", "Command 'git' not found")

        try:
            result = main(["--exit", "--yes"], input=DummyInput(), output=DummyOutput())
        except Exception as e:
            self.fail(f"main() raised an unexpected exception: {e}")

        self.assertIsNone(result, "main() should return None when called with --exit")

    def test_reasoning_effort_option(self):
        coder = main(
            ["--reasoning-effort", "3", "--no-check-model-accepts-settings", "--yes", "--exit"],
            input=DummyInput(),
            output=DummyOutput(),
            return_coder=True,
        )
        self.assertEqual(
            coder.main_model.extra_params.get("extra_body", {}).get("reasoning_effort"), "3"
        )

    def test_thinking_tokens_option(self):
        coder = main(
            ["--model", "sonnet", "--thinking-tokens", "1000", "--yes", "--exit"],
            input=DummyInput(),
            output=DummyOutput(),
            return_coder=True,
        )
        self.assertEqual(
            coder.main_model.extra_params.get("thinking", {}).get("budget_tokens"), 1000
        )

    def test_list_models_includes_metadata_models(self):
        # Test that models from model-metadata.json appear in list-models output
        with GitTemporaryDirectory():
            # Create a temporary model-metadata.json with test models
            metadata_file = Path(".aider.model.metadata.json")
            test_models = {
                "unique-model-name": {
                    "max_input_tokens": 8192,
                    "litellm_provider": "test-provider",
                    "mode": "chat",  # Added mode attribute
                },
                "another-provider/another-unique-model": {
                    "max_input_tokens": 4096,
                    "litellm_provider": "another-provider",
                    "mode": "chat",  # Added mode attribute
                },
            }
            metadata_file.write_text(json.dumps(test_models))

            # Capture stdout to check the output
            with patch("sys.stdout", new_callable=StringIO) as mock_stdout:
                main(
                    [
                        "--list-models",
                        "unique-model",
                        "--model-metadata-file",
                        str(metadata_file),
                        "--yes",
                        "--no-gitignore",
                    ],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                output = mock_stdout.getvalue()

                # Check that the unique model name from our metadata file is listed
                self.assertIn("test-provider/unique-model-name", output)

    def test_list_models_includes_all_model_sources(self):
        # Test that models from both litellm.model_cost and model-metadata.json
        # appear in list-models
        with GitTemporaryDirectory():
            # Create a temporary model-metadata.json with test models
            metadata_file = Path(".aider.model.metadata.json")
            test_models = {
                "metadata-only-model": {
                    "max_input_tokens": 8192,
                    "litellm_provider": "test-provider",
                    "mode": "chat",  # Added mode attribute
                }
            }
            metadata_file.write_text(json.dumps(test_models))

            # Capture stdout to check the output
            with patch("sys.stdout", new_callable=StringIO) as mock_stdout:
                main(
                    [
                        "--list-models",
                        "metadata-only-model",
                        "--model-metadata-file",
                        str(metadata_file),
                        "--yes",
                        "--no-gitignore",
                    ],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                output = mock_stdout.getvalue()

                dump(output)

                # Check that both models appear in the output
                self.assertIn("test-provider/metadata-only-model", output)

    def test_check_model_accepts_settings_flag(self):
        # Test that --check-model-accepts-settings affects whether settings are applied
        with GitTemporaryDirectory():
            # When flag is on, setting shouldn't be applied to non-supporting model
            with patch("aider.models.Model.set_thinking_tokens") as mock_set_thinking:
                main(
                    [
                        "--model",
                        "gpt-4o",
                        "--thinking-tokens",
                        "1000",
                        "--check-model-accepts-settings",
                        "--yes",
                        "--exit",
                    ],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                # Method should not be called because model doesn't support it and flag is on
                mock_set_thinking.assert_not_called()

    def test_list_models_with_direct_resource_patch(self):
        # Test that models from resources/model-metadata.json are included in list-models output
        with GitTemporaryDirectory():
            # Create a temporary file with test model metadata
            test_file = Path(self.tempdir) / "test-model-metadata.json"
            test_resource_models = {
                "special-model": {
                    "max_input_tokens": 8192,
                    "litellm_provider": "resource-provider",
                    "mode": "chat",
                }
            }
            test_file.write_text(json.dumps(test_resource_models))

            # Create a mock for the resource file path
            mock_resource_path = MagicMock()
            mock_resource_path.__str__.return_value = str(test_file)

            # Create a mock for the files function that returns an object with joinpath
            mock_files = MagicMock()
            mock_files.joinpath.return_value = mock_resource_path

            with patch("aider.main.importlib_resources.files", return_value=mock_files):
                # Capture stdout to check the output
                with patch("sys.stdout", new_callable=StringIO) as mock_stdout:
                    main(
                        ["--list-models", "special", "--yes", "--no-gitignore"],
                        input=DummyInput(),
                        output=DummyOutput(),
                    )
                    output = mock_stdout.getvalue()

                    # Check that the resource model appears in the output
                    self.assertIn("resource-provider/special-model", output)

            # When flag is off, setting should be applied regardless of support
            with patch("aider.models.Model.set_reasoning_effort") as mock_set_reasoning:
                main(
                    [
                        "--model",
                        "gpt-3.5-turbo",
                        "--reasoning-effort",
                        "3",
                        "--no-check-model-accepts-settings",
                        "--yes",
                        "--exit",
                    ],
                    input=DummyInput(),
                    output=DummyOutput(),
                )
                # Method should be called because flag is off
                mock_set_reasoning.assert_called_once_with("3")

    def test_model_accepts_settings_attribute(self):
        with GitTemporaryDirectory():
            # Test with a model where we override the accepts_settings attribute
            with patch("aider.models.Model") as MockModel:
                # Setup mock model instance to simulate accepts_settings attribute
                mock_instance = MockModel.return_value
                mock_instance.name = "test-model"
                mock_instance.accepts_settings = ["reasoning_effort"]
                mock_instance.validate_environment.return_value = {
                    "missing_keys": [],
                    "keys_in_environment": [],
                }
                mock_instance.info = {}
                mock_instance.weak_model_name = None
                mock_instance.get_weak_model.return_value = None

                # Run with both settings, but model only accepts reasoning_effort
                main(
                    [
                        "--model",
                        "test-model",
                        "--reasoning-effort",
                        "3",
                        "--thinking-tokens",
                        "1000",
                        "--check-model-accepts-settings",
                        "--yes",
                        "--exit",
                    ],
                    input=DummyInput(),
                    output=DummyOutput(),
                )

                # Only set_reasoning_effort should be called, not set_thinking_tokens
                mock_instance.set_reasoning_effort.assert_called_once_with("3")
                mock_instance.set_thinking_tokens.assert_not_called()

    @patch("aider.main.InputOutput")
    def test_stream_and_cache_warning(self, MockInputOutput):
        mock_io_instance = MockInputOutput.return_value
        with GitTemporaryDirectory():
            main(
                ["--stream", "--cache-prompts", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
            )
        mock_io_instance.tool_warning.assert_called_with(
            "Cost estimates may be inaccurate when using streaming and caching."
        )

    @patch("aider.main.InputOutput")
    def test_stream_without_cache_no_warning(self, MockInputOutput):
        mock_io_instance = MockInputOutput.return_value
        with GitTemporaryDirectory():
            main(
                ["--stream", "--exit", "--yes"],
                input=DummyInput(),
                output=DummyOutput(),
            )
        for call in mock_io_instance.tool_warning.call_args_list:
            self.assertNotIn("Cost estimates may be inaccurate", call[0][0])

    def test_argv_file_respects_git(self):
        with GitTemporaryDirectory():
            fname = Path("not_in_git.txt")
            fname.touch()
            with open(".gitignore", "w+") as f:
                f.write("not_in_git.txt")
            coder = main(
                argv=["--file", "not_in_git.txt"],
                input=DummyInput(),
                output=DummyOutput(),
                return_coder=True,
            )
            self.assertNotIn("not_in_git.txt", str(coder.abs_fnames))
            self.assertFalse(coder.allowed_to_edit("not_in_git.txt"))

    def test_load_dotenv_files_override(self):
        with GitTemporaryDirectory() as git_dir:
            git_dir = Path(git_dir)

            # Create fake home and .aider directory
            fake_home = git_dir / "fake_home"
            fake_home.mkdir()
            aider_dir = fake_home / ".aider"
            aider_dir.mkdir()

            # Create oauth keys file
            oauth_keys_file = aider_dir / "oauth-keys.env"
            oauth_keys_file.write_text("OAUTH_VAR=oauth_val\nSHARED_VAR=oauth_shared\n")

            # Create git root .env file
            git_root_env = git_dir / ".env"
            git_root_env.write_text("GIT_VAR=git_val\nSHARED_VAR=git_shared\n")

            # Create CWD .env file in a subdir
            cwd_subdir = git_dir / "subdir"
            cwd_subdir.mkdir()
            cwd_env = cwd_subdir / ".env"
            cwd_env.write_text("CWD_VAR=cwd_val\nSHARED_VAR=cwd_shared\n")

            # Change to subdir
            original_cwd = os.getcwd()
            os.chdir(cwd_subdir)

            # Clear relevant env vars before test
            for var in ["OAUTH_VAR", "SHARED_VAR", "GIT_VAR", "CWD_VAR"]:
                if var in os.environ:
                    del os.environ[var]

            with patch("pathlib.Path.home", return_value=fake_home):
                loaded_files = load_dotenv_files(str(git_dir), None)

                # Assert files were loaded in expected order (oauth first)
                self.assertIn(str(oauth_keys_file.resolve()), loaded_files)
                self.assertIn(str(git_root_env.resolve()), loaded_files)
                self.assertIn(str(cwd_env.resolve()), loaded_files)
                self.assertLess(
                    loaded_files.index(str(oauth_keys_file.resolve())),
                    loaded_files.index(str(git_root_env.resolve())),
                )
                self.assertLess(
                    loaded_files.index(str(git_root_env.resolve())),
                    loaded_files.index(str(cwd_env.resolve())),
                )

                # Assert environment variables reflect the override order
                self.assertEqual(os.environ.get("OAUTH_VAR"), "oauth_val")
                self.assertEqual(os.environ.get("GIT_VAR"), "git_val")
                self.assertEqual(os.environ.get("CWD_VAR"), "cwd_val")
                # SHARED_VAR should be overridden by the last loaded file (cwd .env)
                self.assertEqual(os.environ.get("SHARED_VAR"), "cwd_shared")

            # Restore CWD
            os.chdir(original_cwd)

    @patch("aider.main.InputOutput")
    def test_cache_without_stream_no_warning(self, MockInputOutput):
        mock_io_instance = MockInputOutput.return_value
        with GitTemporaryDirectory():
            main(
                ["--cache-prompts", "--exit", "--yes", "--no-stream"],
                input=DummyInput(),
                output=DummyOutput(),
            )
        for call in mock_io_instance.tool_warning.call_args_list:
            self.assertNotIn("Cost estimates may be inaccurate", call[0][0])