random-bunny/tests/cli.test.ts

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2023-10-23 14:04:30 +01:00
import { exec } from "child_process";
import path from "path";
describe('version', () => {
test('GIVEN -V flag is supplied, EXPECT version returned', async () => {
const result = await cli(['-V'], '.');
expect(result.code).toBe(0);
expect(result.stdout).toBe('2.2\n');
});
test('GIVEN --version is supplied, EXPECT version returned', async () => {
const result = await cli(['--version'], '.');
expect(result.code).toBe(0);
expect(result.stdout).toBe('2.2\n');
});
});
describe('help', () => {
test('GIVEN -h is supplied, EXPECT help returned', async () => {
const result = await cli(['-h'], '.');
expect(result.code).toBe(0);
expect(result.stdout.split('\n')[0]).toBe('Usage: random-bunny [options]');
});
test('GIVEN --help is supplied, EXPECT help returned', async () => {
const result = await cli(['--help'], '.');
expect(result.code).toBe(0);
expect(result.stdout.split('\n')[0]).toBe('Usage: random-bunny [options]');
});
})
function cli(args: string[], cwd: string): Promise<cliResult> {
return new Promise(resolve => {
exec(`node ${path.resolve('./dist/cli.js')} ${args.join(' ')}`,
{ cwd },
(error, stdout, stderr) => { resolve({
code: error && error.code ? error.code : 0,
error,
stdout,
stderr });
});
});
}
interface cliResult {
code: number,
error: any,
stdout: string,
stderr: string,
}