node assert snapshot tests

integration_tests/__tests__/__snapshots__/failures-test.js.snap

@@ -103,3 +103,73 @@ Ran all test suites matching \\"assertion-count-test.js\\".
 ",
 }
 `;
+
+exports[`works with node assert 1`] = `
+Object {
+  "rest": " FAIL  __tests__/node-assertion-error-test.js
+  ● assert
+
+    AssertionError: false == true
+      
+      at Object.test (__tests__/node-assertion-error-test.js:16:3)
+
+  ● assert with a message
+
+    AssertionError: this is a message
+      
+      at Object.test (__tests__/node-assertion-error-test.js:20:3)
+
+  ● assert.ok
+
+    AssertionError: false == true
+      
+      at Object.test (__tests__/node-assertion-error-test.js:24:10)
+
+  ● assert.ok with a message
+
+    AssertionError: this is a message
+      
+      at Object.test (__tests__/node-assertion-error-test.js:28:10)
+
+  ● assert.equal
+
+    AssertionError: 1 == 2
+      
+      at Object.test (__tests__/node-assertion-error-test.js:32:10)
+
+  ● assert.equal with a message
+
+    AssertionError: this is a message
+      
+      at Object.test (__tests__/node-assertion-error-test.js:36:10)
+
+  ● assert.deepEqual
+
+    AssertionError: { a: { b: { c: 5 } } } deepEqual { a: { b: { c: 6 } } }
+      
+      at Object.test (__tests__/node-assertion-error-test.js:40:10)
+
+  ● assert.deepEqual with a message
+
+    AssertionError: this is a message
+      
+      at Object.test (__tests__/node-assertion-error-test.js:44:10)
+
+  ✕ assert
+  ✕ assert with a message
+  ✕ assert.ok
+  ✕ assert.ok with a message
+  ✕ assert.equal
+  ✕ assert.equal with a message
+  ✕ assert.deepEqual
+  ✕ assert.deepEqual with a message
+
+",
+  "summary": "Test Suites: 1 failed, 1 total
+Tests:       8 failed, 8 total
+Snapshots:   0 total
+Time:        <<REPLACED>>
+Ran all test suites matching \\"node-assertion-error-test.js\\".
+",
+}
+`;

integration_tests/__tests__/failures-test.js

@@ -44,3 +44,10 @@ test('throwing not Error objects', () => {
     extractSummary(stderr),
   )).toMatchSnapshot();
 });
+
+test('works with node assert', () => {
+  const {stderr} = runJest(dir, ['node-assertion-error-test.js']);
+  expect(stripInconsistentStackLines(
+    extractSummary(stderr),
+  )).toMatchSnapshot();
+});

integration_tests/failures/__tests__/node-assertion-error-test.js

@@ -0,0 +1,45 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @emails oncall+jsinfra
+ */
+
+'use strict';
+
+const assert = require('assert');
+
+test('assert', () => {
+  assert(false);
+});
+
+test('assert with a message', () => {
+  assert(false, 'this is a message');
+});
+
+test('assert.ok', () => {
+  assert.ok(false);
+});
+
+test('assert.ok with a message', () => {
+  assert.ok(false, 'this is a message');
+});
+
+test('assert.equal', () => {
+  assert.equal(1, 2);
+});
+
+test('assert.equal with a message', () => {
+  assert.equal(1, 2, 'this is a message');
+});
+
+test('assert.deepEqual', () => {
+  assert.deepEqual({a: {b: {c: 5}}}, {a: {b: {c: 6}}});
+});
+
+test('assert.deepEqual with a message', () => {
+  assert.deepEqual({a: {b: {c: 5}}}, {a: {b: {c: 7}}}, 'this is a message');
+});