/
context.test.ts
35 lines (30 loc) · 1.23 KB
/
context.test.ts
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import {beforeEach, describe, expect, it, jest} from '@jest/globals';
import * as os from 'os';
import * as context from '../src/context';
describe('setOutput', () => {
beforeEach(() => {
process.stdout.write = jest.fn() as typeof process.stdout.write;
});
// eslint-disable-next-line jest/expect-expect
it('setOutput produces the correct command', () => {
context.setOutput('some output', 'some value');
assertWriteCalls([`::set-output name=some output::some value${os.EOL}`]);
});
// eslint-disable-next-line jest/expect-expect
it('setOutput handles bools', () => {
context.setOutput('some output', false);
assertWriteCalls([`::set-output name=some output::false${os.EOL}`]);
});
// eslint-disable-next-line jest/expect-expect
it('setOutput handles numbers', () => {
context.setOutput('some output', 1.01);
assertWriteCalls([`::set-output name=some output::1.01${os.EOL}`]);
});
});
// Assert that process.stdout.write calls called only with the given arguments.
function assertWriteCalls(calls: string[]): void {
expect(process.stdout.write).toHaveBeenCalledTimes(calls.length);
for (let i = 0; i < calls.length; i++) {
expect(process.stdout.write).toHaveBeenNthCalledWith(i + 1, calls[i]);
}
}