feat(jest-test-result): add duration property to JSON test output

CHANGELOG.md

@@ -33,6 +33,7 @@
 - `[jest-runner]` Allow passing `testEnvironmentOptions` via docblocks ([#12470](https://github.com/facebook/jest/pull/12470))
 - `[jest-runtime]` [**BREAKING**] `Runtime.createHasteMap` now returns a promise ([#12008](https://github.com/facebook/jest/pull/12008))
 - `[@jest/schemas]` New module for JSON schemas for Jest's config ([#12384](https://github.com/facebook/jest/pull/12384))
+- `[jest-test-result]` Add duration property to JSON test output ([#12518](https://github.com/facebook/jest/pull/12518))
 - `[jest-worker]` [**BREAKING**] Allow only absolute `workerPath` ([#12343](https://github.com/facebook/jest/pull/12343))
 - `[pretty-format]` New `maxWidth` parameter ([#12402](https://github.com/facebook/jest/pull/12402))
 

docs/Configuration.md

@@ -1280,7 +1280,8 @@ This option allows the use of a custom results processor. This processor must be
       "location": {
         "column": number,
         "line": number
-      }
+      },
+      "duration": number | null
     },
     ...
     ],

e2e/__tests__/__snapshots__/coverageReport.test.ts.snap

@@ -62,7 +62,7 @@ All files                            |      60 |        0 |      50 |      60 |
 
 exports[`json reporter printing with --coverage 1`] = `
 "Test Suites: 1 failed, 1 total
-Tests:       1 failed, 2 passed, 3 total
+Tests:       1 failed, 1 skipped, 2 passed, 4 total
 Snapshots:   0 total
 Time:        <<REPLACED>>
 Ran all test suites."

e2e/__tests__/jsonReporter.test.ts

@@ -36,37 +36,45 @@ describe('JSON Reporter', () => {
       );
     }
 
-    expect(jsonResult.numTotalTests).toBe(3);
+    expect(jsonResult.numTotalTests).toBe(4);
     expect(jsonResult.numTotalTestSuites).toBe(1);
     expect(jsonResult.numRuntimeErrorTestSuites).toBe(0);
     expect(jsonResult.numPassedTests).toBe(2);
     expect(jsonResult.numFailedTests).toBe(1);
-    expect(jsonResult.numPendingTests).toBe(0);
+    expect(jsonResult.numPendingTests).toBe(1);
 
     const noAncestors = jsonResult.testResults[0].assertionResults.find(
       item => item.title == 'no ancestors',
     );
     let expected = {ancestorTitles: [] as Array<string>};
     expect(noAncestors).toEqual(expect.objectContaining(expected));
+    expect(noAncestors).toHaveProperty('duration', expect.any(Number));
 
     const addsNumbers = jsonResult.testResults[0].assertionResults.find(
       item => item.title == 'adds numbers',
     );
     expected = {ancestorTitles: ['sum']};
     expect(addsNumbers).toEqual(expect.objectContaining(expected));
+    expect(addsNumbers).toHaveProperty('duration', expect.any(Number));
 
     const failsTheTest = jsonResult.testResults[0].assertionResults.find(
       item => item.title == 'fails the test',
     );
     expected = {ancestorTitles: ['sum', 'failing tests']};
     expect(failsTheTest).toEqual(expect.objectContaining(expected));
+    expect(failsTheTest).toHaveProperty('duration', expect.any(Number));
+
+    const skipedTest = jsonResult.testResults[0].assertionResults.find(
+      item => item.title == 'skipped test',
+    );
+    expect(skipedTest).toHaveProperty('duration', null);
   });
 
   it('outputs coverage report', () => {
     const result = runJest('json-reporter', ['--json']);
     let jsonResult: FormattedTestResults;
 
-    expect(result.stderr).toMatch(/1 failed, 2 passed/);
+    expect(result.stderr).toMatch(/1 failed, 1 skipped, 2 passed/);
     expect(result.exitCode).toBe(1);
 
     try {
@@ -77,12 +85,12 @@ describe('JSON Reporter', () => {
       );
     }
 
-    expect(jsonResult.numTotalTests).toBe(3);
+    expect(jsonResult.numTotalTests).toBe(4);
     expect(jsonResult.numTotalTestSuites).toBe(1);
     expect(jsonResult.numRuntimeErrorTestSuites).toBe(0);
     expect(jsonResult.numPassedTests).toBe(2);
     expect(jsonResult.numFailedTests).toBe(1);
-    expect(jsonResult.numPendingTests).toBe(0);
+    expect(jsonResult.numPendingTests).toBe(1);
 
     const noAncestors = jsonResult.testResults[0].assertionResults.find(
       item => item.title == 'no ancestors',

e2e/json-reporter/__tests__/sum.test.js

@@ -22,4 +22,8 @@ describe('sum', () => {
       expect(sum(1, 2)).toEqual(4);
     });
   });
+
+  it.skip('skipped test', () => {
+    expect(sum(1, 2)).toEqual(3);
+  });
 });

packages/jest-jasmine2/src/reporter.ts

@@ -128,10 +128,13 @@ export default class Jasmine2Reporter implements Reporter {
     specResult: SpecResult,
     ancestorTitles: Array<string>,
   ): AssertionResult {
-    const start = this._startTimes.get(specResult.id);
-    const duration = start ? Date.now() - start : undefined;
     const status =
       specResult.status === 'disabled' ? 'pending' : specResult.status;
+    const start = this._startTimes.get(specResult.id);
+    const duration =
+      start && !['pending', 'skipped'].includes(status)
+        ? Date.now() - start
+        : null;
     const location = specResult.__callsite
       ? {
           column: specResult.__callsite.getColumnNumber(),

packages/jest-test-result/src/formatTestResults.ts

@@ -58,6 +58,7 @@ function formatTestAssertion(
 ): FormattedAssertionResult {
   const result: FormattedAssertionResult = {
     ancestorTitles: assertion.ancestorTitles,
+    duration: assertion.duration,
     failureMessages: null,
     fullName: assertion.fullName,
     location: assertion.location,

packages/jest-test-result/src/types.ts

@@ -50,7 +50,7 @@ export type AssertionResult = TestResult.AssertionResult;
 
 export type FormattedAssertionResult = Pick<
   AssertionResult,
-  'ancestorTitles' | 'fullName' | 'location' | 'status' | 'title'
+  'ancestorTitles' | 'fullName' | 'location' | 'status' | 'title' | 'duration'
 > & {
   failureMessages: AssertionResult['failureMessages'] | null;
 };