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test: felt-3609 suppress raw terminal stdout #378

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test: felt-3609 suppress raw terminal stdout #378

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21 changes: 21 additions & 0 deletions jest.setupTests.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -68,3 +68,24 @@ jest.mock('@patternfly/patternfly-component-schemas/json', () => ({
throw new Error(`Component "${componentName}" not found`);
})
}), { virtual: true });

/**
* Suppress raw terminal output writes (screen clears, ANSI sequences) during unit test runs.
*/
const originalStdoutWrite = process.stdout.write.bind(process.stdout);

beforeEach(() => {
process.stdout.write = jest.fn().mockImplementation((chunk: string | Uint8Array, encoding?: unknown, callback?: unknown) => {
if (typeof encoding === 'function') {
encoding();
} else if (typeof callback === 'function') {
callback();
}

return true;
}) as unknown as typeof process.stdout.write;
});

afterEach(() => {
process.stdout.write = originalStdoutWrite;
});
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