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test(device ssh): unset proxy env vars that break stderr assertions #3088

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Merged
flowzone-app merged 1 commit into from
Apr 8, 2026
+19 −0
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test(device ssh): unset proxy env vars that break stderr assertions #3088

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19 changes: 19 additions & 0 deletions tests/commands/device/ssh.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,19 @@ describe('balena device ssh', function () {
await server.stop();
});

let savedProxyVars: Record<string, string | undefined>;

beforeEach(async function () {
// Unset proxy env vars that may be set by npm security wrappers.
// These cause getProxyConfig() to detect a proxy, triggering a
// proxytunnel warning on stderr that breaks assertions.
savedProxyVars = {
HTTPS_PROXY: process.env.HTTPS_PROXY,
HTTP_PROXY: process.env.HTTP_PROXY,
};
delete process.env.HTTPS_PROXY;
delete process.env.HTTP_PROXY;

// Stub child_process.spawn for SSH mocking
const childProcess = await import('child_process');
spawnStub = sinon.stub(childProcess, 'spawn').callsFake(function (
Expand All @@ -76,6 +88,13 @@ describe('balena device ssh', function () {
});

afterEach(async function () {
for (const [key, value] of Object.entries(savedProxyVars)) {
if (value == null) {
delete process.env[key];
} else {
process.env[key] = value;
}
}
// Restore the stub
if (spawnStub) {
spawnStub.restore();
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