Add templates to exercises batch 4 (#1775)

* Enhance underscore method to filter invalid characters and update test file naming convention
* Add test case which test underscore for special characters
* Use character classes in regex. Also expose description for nested test cases.
* Underscore must not create multiple underscores around special characters
* Make test name unique in allergies
* Change exercises to use single quotes.
* Change template for allergies so it should match the old version.
* Update acronym solution to work on the new test
* Fix import and class in atbash test
* Enhance underscore method to filter invalid characters and update test file naming convention
* Add test case which test underscore for special characters
* Use character classes in regex. Also expose description for nested test cases.
* Underscore must not create multiple underscores around special characters

---------

Co-authored-by: Victor Goff <keeperotphones+github@gmail.com>

---------

Co-authored-by: Victor Goff <keeperotphones+github@gmail.com>

* Fix formatting in dominoes

* Add EOL

* remove trailing spaces

---------

Co-authored-by: Victor Goff <keeperotphones+github@gmail.com>

Author: meatball133

exercises/practice/dominoes/.meta/test_template.erb

@@ -0,0 +1,12 @@
+require 'minitest/autorun'
+require_relative 'dominoes'
+
+class DominoesTest < Minitest::Test
+<% json["cases"].each do |cases| %>
+    def test_<%= underscore(cases["description"]) %>
+        <%= skip? %> 
+        dominoes = <%= cases["input"]["dominoes"] %>
+        <%= cases["expected"] ? "assert" : "refute" %> Dominoes.chain?(dominoes)
+    end
+    <% end %>
+end

exercises/practice/dominoes/dominoes_test.rb

@@ -38,19 +38,19 @@ def test_cant_be_chained
     refute Dominoes.chain?(dominoes)
   end
 
-  def test_disconnected_simple
+  def test_disconnected___simple
     skip
     dominoes = [[1, 1], [2, 2]]
     refute Dominoes.chain?(dominoes)
   end
 
-  def test_disconnected_double_loop
+  def test_disconnected___double_loop
     skip
     dominoes = [[1, 2], [2, 1], [3, 4], [4, 3]]
     refute Dominoes.chain?(dominoes)
   end
 
-  def test_disconnected_single_isolated
+  def test_disconnected___single_isolated
     skip
     dominoes = [[1, 2], [2, 3], [3, 1], [4, 4]]
     refute Dominoes.chain?(dominoes)

exercises/practice/eliuds-eggs/.meta/test_template.erb

@@ -0,0 +1,11 @@
+require 'minitest/autorun'
+require_relative 'eliuds_eggs'
+
+class EliudsEggsTest < Minitest::Test
+<% json["cases"].each do |cases| %>
+    def test_<%= underscore(cases["description"]) %>
+        <%= skip? %>
+        assert_equal <%= cases["expected"] %>, EliudsEggs.egg_count(<%= cases["input"]["number"] %>)
+    end
+    <% end %>
+end

exercises/practice/etl/.meta/test_template.erb

@@ -0,0 +1,21 @@
+require 'minitest/autorun'
+require_relative 'etl'
+
+class EtlTest < Minitest::Test
+<% json["cases"].each do |cases| %>
+    def test_<%= underscore(cases["description"]) %>
+        <%= skip? %>
+        old = {
+        <% cases["input"]["legacy"].each do |key, value| -%>
+          <%= key %> => <%= value %>,
+        <%- end -%>
+        }
+        expected = {
+          <% cases["expected"].each do |key, value| -%>
+            '<%= key %>' => <%= value %>,
+          <%- end -%>
+        }
+        assert_equal expected, ETL.transform(old)
+    end
+    <% end %>
+end

exercises/practice/etl/etl_test.rb

@@ -2,7 +2,7 @@
 require_relative 'etl'
 
 class EtlTest < Minitest::Test
-  def test_a_single_letter
+  def test_single_letter
     # skip
     old = {
       1 => ["A"]

exercises/practice/flatten-array/.meta/test_template.erb

@@ -0,0 +1,12 @@
+require 'minitest/autorun'
+require_relative 'flatten_array'
+
+class FlattenArrayTest < Minitest::Test
+<% json["cases"].each do |cases| %>
+    def test_<%= underscore(cases["description"]) %>
+        <%= skip? %>
+        flat_array = FlattenArray.flatten(<%= cases["input"]["array"] %>)
+        assert_equal <%= cases["expected"] %>, flat_array
+    end
+    <% end %>
+end

exercises/practice/flatten-array/.meta/tests.toml

@@ -35,12 +35,30 @@ include = false
 description = "consecutive null values at the front of the list are omitted from the final result"
 include = false
 
+[bc72da10-5f55-4ada-baf3-50e4da02ec8e]
+description = "consecutive null values at the front of the array are omitted from the final result"
+reimplements = "c6cf26de-8ccd-4410-84bd-b9efd88fd2bc"
+
 [382c5242-587e-4577-b8ce-a5fb51e385a1]
 description = "consecutive null values in the middle of the list are omitted from the final result"
 include = false
 
+[6991836d-0d9b-4703-80a0-3f1f23eb5981]
+description = "consecutive null values in the middle of the array are omitted from the final result"
+reimplements = "382c5242-587e-4577-b8ce-a5fb51e385a1"
+
 [ef1d4790-1b1e-4939-a179-51ace0829dbd]
 description = "6 level nest list with null values"
+include = false
+
+[dc90a09c-5376-449c-a7b3-c2d20d540069]
+description = "6 level nested array with null values"
+reimplements = "ef1d4790-1b1e-4939-a179-51ace0829dbd"
 
 [85721643-705a-4150-93ab-7ae398e2942d]
 description = "all values in nested list are null"
+include = false
+
+[51f5d9af-8f7f-4fb5-a156-69e8282cb275]
+description = "all values in nested array are null"
+reimplements = "85721643-705a-4150-93ab-7ae398e2942d"

exercises/practice/flatten-array/flatten_array_test.rb

@@ -4,7 +4,8 @@
 class FlattenArrayTest < Minitest::Test
   def test_empty
     # skip
-    assert_empty FlattenArray.flatten([])
+    flat_array = FlattenArray.flatten([])
+    assert_empty flat_array
   end
 
   def test_no_nesting
@@ -15,7 +16,8 @@ def test_no_nesting
 
   def test_flattens_a_nested_array
     skip
-    assert_empty FlattenArray.flatten([[[]]])
+    flat_array = FlattenArray.flatten([[[]]])
+    assert_empty flat_array
   end
 
   def test_flattens_array_with_just_integers_present
@@ -36,14 +38,27 @@ def test_6_level_nesting
     assert_equal [1, 2, 3, 4, 5, 6, 7, 8], flat_array
   end
 
-  def test_6_level_nest_list_with_null_values
+  def test_consecutive_null_values_at_the_front_of_the_array_are_omitted_from_the_final_result
+    skip
+    flat_array = FlattenArray.flatten([nil, nil, 3])
+    assert_equal [3], flat_array
+  end
+
+  def test_consecutive_null_values_in_the_middle_of_the_array_are_omitted_from_the_final_result
+    skip
+    flat_array = FlattenArray.flatten([1, nil, nil, 4])
+    assert_equal [1, 4], flat_array
+  end
+
+  def test_6_level_nested_array_with_null_values
     skip
     flat_array = FlattenArray.flatten([0, 2, [[2, 3], 8, [[100]], nil, [[nil]]], -2])
     assert_equal [0, 2, 2, 3, 8, 100, -2], flat_array
   end
 
-  def test_all_values_in_nested_list_are_null
+  def test_all_values_in_nested_array_are_null
     skip
-    assert_empty FlattenArray.flatten([nil, [[[nil]]], nil, nil, [[nil, nil], nil], nil])
+    flat_array = FlattenArray.flatten([nil, [[[nil]]], nil, nil, [[nil, nil], nil], nil])
+    assert_empty flat_array
   end
 end

exercises/practice/flower-field/.meta/test_template.erb

@@ -0,0 +1,13 @@
+require 'minitest/autorun'
+require_relative 'flower_field'
+
+class FlowerFieldTest < Minitest::Test
+<% json["cases"].each do |cases| %>
+    def test_<%= underscore(cases["description"]) %>
+        <%= skip? %>
+        input = <%= cases["input"]["garden"] %>
+        expected = <%= cases["expected"] %>
+        assert_equal expected, FlowerField.annotate(input)
+    end
+    <% end %>
+end

exercises/practice/flower-field/flower_field_test.rb

@@ -3,6 +3,7 @@
 
 class FlowerFieldTest < Minitest::Test
   def test_no_rows
+    # skip
     input = []
     expected = []
     assert_equal expected, FlowerField.annotate(input)