Anthony Ng ng-the-engineer

➜  jest-with-typescript git:(main) ✗ npx jest
No tests found, exiting with code 1
Run with `--passWithNoTests` to exit with code 0
In /Users/anthonyng/Repo/jest-with-typescript
  2 files checked.
  testMatch: **/__tests__/**/*.[jt]s?(x), **/?(*.)+(spec|test).[tj]s?(x) - 0 matches
  testPathIgnorePatterns: /node_modules/ - 2 matches
  testRegex:  - 0 matches
Pattern: - 0 matches

➜  jest-with-typescript git:(main) ✗ npx jest
 FAIL  source/dummy.test.ts
  ✕ Dummy unit test (3 ms)

...

Test Suites: 1 failed, 1 total
Tests:       1 failed, 1 total
Snapshots: 0 total

➜  jest-with-typescript git:(main) ✗ npx jest
 PASS  source/dummy.test.ts
  ✓ Dummy unit test (1 ms)
Test Suites: 1 passed, 1 total
Tests:       1 passed, 1 total
Snapshots:   0 total
Time:        0.526 s, estimated 2 s
Ran all test suites.

PASS build/dummy.test.js
PASS source/dummy.test.ts
Test Suites: 2 passed, 2 total
Tests: 2 passed, 2 total
Snapshots: 0 total
Time: 2.009 s
Ran all test suites.

	test("Dummy unit test", () => {
	const actual = null; // not implemented yet
	expect(actual).toBe(1);
	});

	import { sum } from "./dummy";

	test("Dummy unit test", () => {
	const actual = sum(1, 2);
	expect(actual).toBe(3);
	});

	module.exports = {
	// skipped other properties
	roots: [
	'<rootDir>/source/' // pointing to tests directory
	]
	};

	module.exports = {
	// skipped other properties
	modulePathIgnorePatterns: [
	"<rootDir>/build/"
	]
	};

	import { fetch } from "./data";
	it("returns name successfully", async () => {
	const actual = await fetch();
	expect(actual.data.name).toBe("Turksat 5A");
	});

	export const sum = (a: number, b: number) => {
	return a + b;
	};