fix(jest-circus) correct concurrent event ordering (jestjs#15381)

.vscode/launch.json

@@ -16,6 +16,12 @@
       "windows": {
         "program": "${workspaceFolder}/node_modules/jest/bin/jest"
       }
+    },
+    {
+      "name": "Attach to jest",
+      "type": "node",
+      "request": "attach",
+      "port": 9229
     }
   ]
 }

CHANGELOG.md

@@ -62,6 +62,7 @@
 - `[jest-circus]` Replace recursive `makeTestResults` implementation with iterative one ([#14760](https://github.com/jestjs/jest/pull/14760))
 - `[jest-circus]` Omit `expect.hasAssertions()` errors if a test already has errors ([#14866](https://github.com/jestjs/jest/pull/14866))
 - `[jest-circus, jest-expect, jest-snapshot]` Pass `test.failing` tests when containing failing snapshot matchers ([#14313](https://github.com/jestjs/jest/pull/14313))
+- `[jest-circus]` Concurrent tests now emit jest circus events at the correct point and in the expected order. ([#15381](https://github.com/jestjs/jest/pull/15381))
 - `[jest-cli]` [**BREAKING**] Validate CLI flags that require arguments receives them ([#14783](https://github.com/jestjs/jest/pull/14783))
 - `[jest-config]` Make sure to respect `runInBand` option ([#14578](https://github.com/jestjs/jest/pull/14578))
 - `[jest-config]` Support `testTimeout` in project config ([#14697](https://github.com/jestjs/jest/pull/14697))

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

@@ -0,0 +1,230 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`all passing runs the tests in the correct order 1`] = `
+"  console.log
+    beforeAll
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    START "one"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    START "two"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    START "three"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    START "four"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    START "five"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    END: "three"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    START "six"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    END: "one"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    START "seven"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    END: "two"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    START "eight"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    END: "four"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    START "nine"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    END: "nine"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    START "ten"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    END: "five"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    END: "six"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    END: "seven"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    END: "ten"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    END: "eight"
+
+      at log (__tests__/concurrent.test.js:15:11)
+
+  console.log
+    afterAll
+
+      at log (__tests__/concurrent.test.js:15:11)
+"
+`;
+
+exports[`with only runs the tests in the correct order 1`] = `
+"  console.log
+    beforeAll
+
+      at log (__tests__/concurrent-only.test.js:15:11)
+
+  console.log
+    START "four"
+
+      at log (__tests__/concurrent-only.test.js:15:11)
+
+  console.log
+    START "six"
+
+      at log (__tests__/concurrent-only.test.js:15:11)
+
+  console.log
+    START "nine"
+
+      at log (__tests__/concurrent-only.test.js:15:11)
+
+  console.log
+    END: "nine"
+
+      at log (__tests__/concurrent-only.test.js:15:11)
+
+  console.log
+    END: "six"
+
+      at log (__tests__/concurrent-only.test.js:15:11)
+
+  console.log
+    END: "four"
+
+      at log (__tests__/concurrent-only.test.js:15:11)
+
+  console.log
+    afterAll
+
+      at log (__tests__/concurrent-only.test.js:15:11)
+"
+`;
+
+exports[`with skip runs the tests in the correct order 1`] = `
+"  console.log
+    beforeAll
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    START "one"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    START "two"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    START "four"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    START "seven"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    START "eight"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    END: "one"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    START "ten"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    END: "two"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    END: "seven"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    END: "four"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    END: "eight"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    END: "ten"
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+
+  console.log
+    afterAll
+
+      at log (__tests__/concurrent-skip.test.js:15:11)
+"
+`;