Function assertOnChange

tests/unit/test.watcher.js:216–225

(filePath, expectedCallCount)

        }

        async function assertOnChange(filePath, expectedCallCount) {
          const promiseOnChanged = new Promise((resolve) =>
            watchAll.once('change', (f) => resolve(f)),
          );
          await waitDebounce();
          await fs.writeFile(filePath, '<content>');
          assert.equal(filePath, await promiseOnChanged);
          await waitDebounce();
          sinon.assert.callCount(onChange, expectedCallCount);
        }

        // Verify foo.txt is being ignored.
        await assertOnChange(files[0], 0);