From 46dcee6dd25174b050206925c979e1408a6d8641 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leosvel=20P=C3=A9rez=20Espinosa?=
 <leosvel.perez.espinosa@gmail.com>
Date: Thu, 8 Aug 2024 17:37:06 +0200
Subject: [PATCH] fix(testing): resolve jest package from the project root in
 plugin (#27342)

<!-- Please make sure you have read the submission guidelines before
posting an PR -->
<!--
https://github.com/nrwl/nx/blob/master/CONTRIBUTING.md#-submitting-a-pr
-->

<!-- Please make sure that your commit message follows our format -->
<!-- Example: `fix(nx): must begin with lowercase` -->

<!-- If this is a particularly complex change or feature addition, you
can request a dedicated Nx release for this pull request branch. Mention
someone from the Nx team or the `@nrwl/nx-pipelines-reviewers` and they
will confirm if the PR warrants its own release for testing purposes,
and generate it for you if appropriate. -->

## Current Behavior
<!-- This is the behavior we have today -->

## Expected Behavior
<!-- This is the behavior we should expect with the changes in this PR
-->

## Related Issue(s)
<!-- Please link the issue being fixed so it gets closed when this is
merged. -->

Fixes #
---
 packages/jest/src/plugins/plugin.ts | 44 ++++++++++++++++++++++++-----
 1 file changed, 37 insertions(+), 7 deletions(-)

diff --git a/packages/jest/src/plugins/plugin.ts b/packages/jest/src/plugins/plugin.ts
index e82eb2114de25..91569f2d37b18 100644
--- a/packages/jest/src/plugins/plugin.ts
+++ b/packages/jest/src/plugins/plugin.ts
@@ -211,20 +211,22 @@ async function buildJestTargets(
 
   let metadata: ProjectConfiguration['metadata'];
   if (options?.ciTargetName) {
-    // Resolve the version of `jest-runtime` that `jest` is using.
-    const jestPath = require.resolve('jest');
-    const jest = require(jestPath) as typeof import('jest');
     // nx-ignore-next-line
-    const { default: Runtime } = require(require.resolve('jest-runtime', {
-      paths: [dirname(jestPath)],
-      // nx-ignore-next-line
-    })) as typeof import('jest-runtime');
+    const { default: Runtime } = requireJestUtil<typeof import('jest-runtime')>(
+      'jest-runtime',
+      projectRoot,
+      context
+    );
 
     const jestContext = await Runtime.createContext(config.projectConfig, {
       maxWorkers: 1,
       watchman: false,
     });
 
+    const jest = require(resolveJestPath(
+      projectRoot,
+      context
+    )) as typeof import('jest');
     const source = new jest.SearchSource(jestContext);
 
     const specs = await source.getTestPaths(config.globalConfig);
@@ -403,3 +405,31 @@ function normalizeOptions(options: JestPluginOptions): JestPluginOptions {
   options.targetName ??= 'test';
   return options;
 }
+
+let resolvedJestPaths: Record<string, string>;
+function resolveJestPath(
+  projectRoot: string,
+  context: CreateNodesContext
+): string {
+  resolvedJestPaths ??= {};
+  if (resolvedJestPaths[projectRoot]) {
+    return resolvedJestPaths[projectRoot];
+  }
+
+  return require.resolve('jest', {
+    paths: [projectRoot, context.workspaceRoot, __dirname],
+  });
+}
+
+/**
+ * Resolves a jest util package version that `jest` is using.
+ */
+function requireJestUtil<T>(
+  packageName: string,
+  projectRoot: string,
+  context: CreateNodesContext
+): T {
+  const jestPath = resolveJestPath(projectRoot, context);
+
+  return require(require.resolve(packageName, { paths: [dirname(jestPath)] }));
+}