Add support for focused and skipped tests in React Native integration…

… tests (#47559) Summary: Pull Request resolved: #47559 Changelog: [internal] Adds support for focused and skipped tests and describe blocks: * `fdescribe` / `describe.only` * `xdescribe` / `describe.skip` * `fit` / `it.only` / `test.only` * `xit` / `it.skip` / `xtest` / `test.skip` Reviewed By: rshest Differential Revision: D65769325
facebook · Nov 13, 2024 · b4e2f2d · b4e2f2d
1 parent 0cc17e4
commit b4e2f2d
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Showing 2 changed files with 108 additions and 35 deletions.
diff --git a/jest/integration/runner/index.js b/jest/integration/runner/index.js
@@ -174,7 +174,8 @@ module.exports = async function runTest(
       .length,
     numFailingTests: testResults.filter(test => test.status === 'failed')
       .length,
-    numPendingTests: 0,
+    numPendingTests: testResults.filter(test => test.status === 'pending')
+      .length,
     numTodoTests: 0,
     skipped: false,
     testResults,

diff --git a/jest/integration/runtime/setup.js b/jest/integration/runtime/setup.js
@@ -9,36 +9,97 @@
  * @oncall react_native
  */
 
+type TestResult = {
+  ancestorTitles: Array<string>,
+  title: string,
+  fullName: string,
+  status: 'passed' | 'failed' | 'pending',
+  duration: number,
+  failureMessages: Array<string>,
+  numPassingAsserts: number,
+  // location: string,
+};
+
 const tests: Array<{
   title: string,
   ancestorTitles: Array<string>,
   implementation: () => mixed,
-  result?: {
-    ancestorTitles: Array<string>,
-    title: string,
-    fullName: string,
-    status: 'passed' | 'failed' | 'skipped',
-    duration: number,
-    failureMessages: Array<string>,
-    numPassingAsserts: number,
-    // location: string,
-  },
+  isFocused: boolean,
+  isSkipped: boolean,
+  result?: TestResult,
 }> = [];
 
 const ancestorTitles: Array<string> = [];
 
-global.describe = (title: string, implementation: () => mixed) => {
+const globalModifiers: Array<'focused' | 'skipped'> = [];
+
+const globalDescribe = (global.describe = (
+  title: string,
+  implementation: () => mixed,
+) => {
   ancestorTitles.push(title);
   implementation();
   ancestorTitles.pop();
+});
+
+const globalIt =
+  (global.it =
+  global.test =
+    (title: string, implementation: () => mixed) =>
+      tests.push({
+        title,
+        implementation,
+        ancestorTitles: ancestorTitles.slice(),
+        isFocused:
+          globalModifiers.length > 0 &&
+          globalModifiers[globalModifiers.length - 1] === 'focused',
+        isSkipped:
+          globalModifiers.length > 0 &&
+          globalModifiers[globalModifiers.length - 1] === 'skipped',
+      }));
+
+// $FlowExpectedError[prop-missing]
+global.fdescribe = global.describe.only = (
+  title: string,
+  implementation: () => mixed,
+) => {
+  globalModifiers.push('focused');
+  globalDescribe(title, implementation);
+  globalModifiers.pop();
 };
 
-global.it = (title: string, implementation: () => mixed) =>
-  tests.push({
-    title,
-    implementation,
-    ancestorTitles: ancestorTitles.slice(),
-  });
+// $FlowExpectedError[prop-missing]
+global.it.only =
+  global.fit =
+  // $FlowExpectedError[prop-missing]
+  global.test.only =
+    (title: string, implementation: () => mixed) => {
+      globalModifiers.push('focused');
+      globalIt(title, implementation);
+      globalModifiers.pop();
+    };
+
+// $FlowExpectedError[prop-missing]
+global.xdescribe = global.describe.skip = (
+  title: string,
+  implementation: () => mixed,
+) => {
+  globalModifiers.push('skipped');
+  globalDescribe(title, implementation);
+  globalModifiers.pop();
+};
+
+// $FlowExpectedError[prop-missing]
+global.it.skip =
+  global.xit =
+  // $FlowExpectedError[prop-missing]
+  global.test.skip =
+  global.xtest =
+    (title: string, implementation: () => mixed) => {
+      globalModifiers.push('skipped');
+      globalIt(title, implementation);
+      globalModifiers.pop();
+    };
 
 // flowlint unsafe-getters-setters:off
 
@@ -123,29 +184,40 @@ function runWithGuard(fn: () => void) {
 }
 
 function executeTests() {
-  for (const test of tests) {
-    let status;
-    let error;
-
-    const start = Date.now();
-
-    try {
-      test.implementation();
-      status = 'passed';
-    } catch (e) {
-      error = e;
-      status = 'failed';
-    }
+  const hasFocusedTests = tests.some(test => test.isFocused);
 
-    test.result = {
+  for (const test of tests) {
+    const result: TestResult = {
       title: test.title,
       fullName: [...test.ancestorTitles, test.title].join(' '),
       ancestorTitles: test.ancestorTitles,
-      status,
-      duration: Date.now() - start,
-      failureMessages: status === 'failed' && error ? [error.message] : [],
+      status: 'pending',
+      duration: 0,
+      failureMessages: [],
       numPassingAsserts: 0,
     };
+
+    test.result = result;
+
+    if (!test.isSkipped && (!hasFocusedTests || test.isFocused)) {
+      let status;
+      let error;
+
+      const start = Date.now();
+
+      try {
+        test.implementation();
+        status = 'passed';
+      } catch (e) {
+        error = e;
+        status = 'failed';
+      }
+
+      result.status = status;
+      result.duration = Date.now() - start;
+      result.failureMessages =
+        status === 'failed' && error ? [error.message] : [];
+    }
   }
 
   console.log(