add e2e toMatchNamedSnapshot with retries

e2e/__tests__/toMatchNamedSnapshotWithRetries.test.ts

@@ -0,0 +1,102 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import * as path from 'path';
+import {skipSuiteOnJasmine} from '@jest/test-utils';
+import {cleanup, makeTemplate, writeFiles} from '../Utils';
+import runJest from '../runJest';
+
+const DIR = path.resolve(__dirname, '../to-match-named-snapshot-with-retries');
+const TESTS_DIR = path.resolve(DIR, '__tests__');
+
+beforeEach(() => cleanup(TESTS_DIR));
+afterAll(() => cleanup(TESTS_DIR));
+
+skipSuiteOnJasmine();
+
+test('works with a single snapshot', () => {
+  const filename = 'basic-support.test.js';
+  const template = makeTemplate(`
+    let index = 0;
+    afterEach(() => {
+      index += 1;
+    });
+    jest.retryTimes($2);
+    test('snapshots', () => expect($1).toMatchNamedSnapshot('snapshot-retries'));
+  `);
+
+  {
+    writeFiles(TESTS_DIR, {
+      [filename]: template(['3', '1' /* retries */]),
+    });
+    const {stderr, exitCode} = runJest(DIR, ['-w=1', '--ci=false', filename]);
+    expect(stderr).toMatch('1 snapshot written from 1 test suite.');
+    expect(exitCode).toBe(0);
+  }
+
+  {
+    writeFiles(TESTS_DIR, {
+      [filename]: template(['index', '2' /* retries */]),
+    });
+    const {stderr, exitCode} = runJest(DIR, ['-w=1', '--ci=false', filename]);
+    expect(stderr).toMatch('Received: 2');
+    expect(stderr).toMatch('1 snapshot failed from 1 test suite.');
+    expect(exitCode).toBe(1);
+  }
+
+  {
+    writeFiles(TESTS_DIR, {
+      [filename]: template(['index', '4' /* retries */]),
+    });
+    const {stderr, exitCode} = runJest(DIR, ['-w=1', '--ci=false', filename]);
+    expect(stderr).toMatch('Snapshots:   1 passed, 1 total');
+    expect(exitCode).toBe(0);
+  }
+});
+
+test('works when multiple tests have snapshots but only one of them failed multiple times', () => {
+  const filename = 'basic-support.test.js';
+  const template = makeTemplate(`
+    test('passing snapshots', () => expect('foo').toMatchNamedSnapshot());
+    describe('with retries', () => {
+      let index = 0;
+      afterEach(() => {
+        index += 1;
+      });
+      jest.retryTimes($2);
+      test('snapshots', () => expect($1).toMatchNamedSnapshot());
+    });
+  `);
+
+  {
+    writeFiles(TESTS_DIR, {
+      [filename]: template(['3', '2' /* retries */]),
+    });
+    const {stderr, exitCode} = runJest(DIR, ['-w=1', '--ci=false', filename]);
+    expect(stderr).toMatch('2 snapshots written from 1 test suite.');
+    expect(exitCode).toBe(0);
+  }
+
+  {
+    writeFiles(TESTS_DIR, {
+      [filename]: template(['index', '2' /* retries */]),
+    });
+    const {stderr, exitCode} = runJest(DIR, ['-w=1', '--ci=false', filename]);
+    expect(stderr).toMatch('Received: 2');
+    expect(stderr).toMatch('1 snapshot failed from 1 test suite.');
+    expect(exitCode).toBe(1);
+  }
+
+  {
+    writeFiles(TESTS_DIR, {
+      [filename]: template(['index', '4' /* retries */]),
+    });
+    const {stderr, exitCode} = runJest(DIR, ['-w=1', '--ci=false', filename]);
+    expect(stderr).toMatch('Snapshots:   1 passed, 1 total');
+    expect(exitCode).toBe(0);
+  }
+});