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GeezerVison is showing github.com — test_runner: add t.after() hook · nodejs/node@4493266

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  • doc/api
    • test.md
  • lib/internal/test_runner
    • test.js
  • test/message
    • test_runner_hooks.js
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‎doc/api/test.md‎

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+27Lines changed: 27 additions & 0 deletions
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Original file line numberDiff line numberDiff line change
@@ -1115,6 +1115,33 @@ test('top level test', async (t) => {
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});
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```
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### `context.after([fn][, options])`
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<!-- YAML
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added: REPLACEME
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-->
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* `fn` {Function|AsyncFunction} The hook function. The first argument
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to this function is a [`TestContext`][] object. If the hook uses callbacks,
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the callback function is passed as the second argument. **Default:** A no-op
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function.
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* `options` {Object} Configuration options for the hook. The following
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properties are supported:
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* `signal` {AbortSignal} Allows aborting an in-progress hook.
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* `timeout` {number} A number of milliseconds the hook will fail after.
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If unspecified, subtests inherit this value from their parent.
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**Default:** `Infinity`.
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This function is used to create a hook that runs after the current test
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finishes.
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```js
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test('top level test', async (t) => {
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t.after((t) => t.diagnostic(`finished running ${t.name}`));
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assert.ok('some relevant assertion here');
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});
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```
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### `context.afterEach([fn][, options])`
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<!-- YAML
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‎lib/internal/test_runner/test.js‎

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+5Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -136,6 +136,10 @@ class TestContext {
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return subtest.start();
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}
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after(fn, options) {
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this.#test.createHook('after', fn, options);
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}
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beforeEach(fn, options) {
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this.#test.createHook('beforeEach', fn, options);
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}
@@ -545,6 +549,7 @@ class Test extends AsyncResource {
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return;
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}
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await this.runHook('after', { args, ctx });
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await afterEach();
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this.pass();
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} catch (err) {
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‎test/message/test_runner_hooks.js‎

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+7-1Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -90,6 +90,8 @@ describe('afterEach throws and test fails', () => {
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test('test hooks', async (t) => {
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const testArr = [];
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t.after(common.mustCall((t) => testArr.push('after ' + t.name)));
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t.beforeEach((t) => testArr.push('beforeEach ' + t.name));
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t.afterEach((t) => testArr.push('afterEach ' + t.name));
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await t.test('1', () => testArr.push('1'));
@@ -113,26 +115,30 @@ test('test hooks', async (t) => {
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});
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test('t.beforeEach throws', async (t) => {
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t.after(common.mustCall());
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t.beforeEach(() => { throw new Error('beforeEach'); });
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await t.test('1', () => {});
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await t.test('2', () => {});
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});
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test('t.afterEach throws', async (t) => {
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t.after(common.mustCall());
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t.afterEach(() => { throw new Error('afterEach'); });
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await t.test('1', () => {});
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await t.test('2', () => {});
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});
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test('afterEach when test fails', async (t) => {
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t.after(common.mustCall());
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t.afterEach(common.mustCall(2));
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await t.test('1', () => { throw new Error('test'); });
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await t.test('2', () => {});
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});
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test('afterEach throws and test fails', async (t) => {
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afterEach(() => { throw new Error('afterEach'); });
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t.after(common.mustCall());
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t.afterEach(() => { throw new Error('afterEach'); });
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await t.test('1', () => { throw new Error('test'); });
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await t.test('2', () => {});
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});

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