Function forkTest

src/test/index.spec.ts:1141–1167

(
      command: string,
      expectParentArgv0: string,
      nodeFlag?: string
    )

    );

    function forkTest(
      command: string,
      expectParentArgv0: string,
      nodeFlag?: string
    ) {
      test(command, async (t) => {
        const { err, stderr, stdout } = await exec(
          `${command} --skipIgnore ./recursive-fork/index.ts argv2`
        );
        expect(err).toBeNull();
        expect(stderr).toBe('');
        const generations = stdout.split('\n');
        const expectation = {
          execArgv: [nodeFlag, BIN_PATH_JS, '--skipIgnore'].filter((v) => v),
          argv: [
            // Note: argv[0] is *always* BIN_PATH_JS in child & grandchild
            expectParentArgv0,
            resolve(TEST_DIR, 'recursive-fork/index.ts'),
            'argv2',
          ],
        };
        expect(JSON.parse(generations[0])).toMatchObject(expectation);
        expectation.argv[0] = BIN_PATH_JS;
        expect(JSON.parse(generations[1])).toMatchObject(expectation);
        expect(JSON.parse(generations[2])).toMatchObject(expectation);
      });
    }
  });
});