test: fix several bazel compiler-cli tests in windows (#30189)

```
//packages/compiler-cli/integrationtest:integrationtest
//packages/compiler-cli/test/compliance:compliance
```

Partially addresses #29785

PR Close #30189

.codefresh/codefresh.yml

@@ -23,3 +23,4 @@ steps:
     - yarn bazel test //tools/ts-api-guardian:all //packages/language-service/test
     - yarn test-ivy-aot //packages/animations/test //packages/common/test //packages/forms/test //packages/http/test //packages/platform-browser/test //packages/platform-browser-dynamic/test //packages/router/test
     - yarn bazel test //tools/public_api_guard/...
+    - yarn bazel test //packages/compiler-cli/integrationtest:integrationtest //packages/compiler-cli/test/compliance:compliance

packages/compiler-cli/integrationtest/test_helpers.js

@@ -98,13 +98,8 @@ function symlinkNodeModules() {
   Object.keys(requiredNodeModules).forEach(importName => {
     const outputPath = path.join(tmpDir, 'node_modules', importName);
     const moduleDir = requiredNodeModules[importName];
-
-    findFilesWithinDirectory(moduleDir).forEach(filePath => {
-      const outputFilePath = path.join(outputPath, path.relative(moduleDir, filePath));
-
-      shx.mkdir('-p', path.dirname(outputFilePath));
-      fs.symlinkSync(filePath, outputFilePath);
-    });
+    shx.mkdir('-p', path.dirname(outputPath));
+    fs.symlinkSync(moduleDir, outputPath, 'junction');
   });
 }
 
@@ -162,5 +157,5 @@ function resolveNpmTreeArtifact(manifestPath, resolveFile = 'package.json') {
 
 /** Finds all files within a specified directory. */
 function findFilesWithinDirectory(directoryPath) {
-  return shx.find(directoryPath).filter(filePath => !fs.statSync(filePath).isDirectory());
+  return shx.find(directoryPath).filter(filePath => !fs.lstatSync(filePath).isDirectory());
 }

packages/compiler/test/aot/test_util.ts

@@ -576,8 +576,8 @@ function readBazelWrittenFilesFrom(
   function processDirectory(dir: string, dest: string) {
     const entries = fs.readdirSync(dir);
     for (const name of entries) {
-      const fullName = path.join(dir, name);
-      const destName = path.join(dest, name);
+      const fullName = path.posix.join(dir, name);
+      const destName = path.posix.join(dest, name);
       const stat = fs.statSync(fullName);
       if (!skip(name, fullName)) {
         if (stat.isDirectory()) {
@@ -590,11 +590,11 @@ function readBazelWrittenFilesFrom(
     }
   }
   try {
-    processDirectory(bazelPackageRoot, path.join('/node_modules/@angular', packageName));
+    processDirectory(bazelPackageRoot, path.posix.join('/node_modules/@angular', packageName));
     // todo: check why we always need an index.d.ts
     if (fs.existsSync(path.join(bazelPackageRoot, `${packageName}.d.ts`))) {
       const content = fs.readFileSync(path.join(bazelPackageRoot, `${packageName}.d.ts`), 'utf8');
-      map.set(path.join('/node_modules/@angular', packageName, 'index.d.ts'), content);
+      map.set(path.posix.join('/node_modules/@angular', packageName, 'index.d.ts'), content);
     }
   } catch (e) {
     console.error(
@@ -632,24 +632,25 @@ export function setup(options: {
       if (options.compileAngular) {
         // If this fails please add //packages/core:npm_package as a test data dependency.
         readBazelWrittenFilesFrom(
-            path.join(sources, 'angular/packages/core/npm_package'), 'core', angularFiles,
+            resolveNpmTreeArtifact('angular/packages/core/npm_package'), 'core', angularFiles,
             skipDirs);
       }
       if (options.compileFakeCore) {
         readBazelWrittenFilesFrom(
-            path.join(sources, 'angular/packages/compiler-cli/test/ngtsc/fake_core/npm_package'),
+            resolveNpmTreeArtifact(
+                'angular/packages/compiler-cli/test/ngtsc/fake_core/npm_package'),
             'core', angularFiles, skipDirs);
       }
       if (options.compileAnimations) {
         // If this fails please add //packages/animations:npm_package as a test data dependency.
         readBazelWrittenFilesFrom(
-            path.join(sources, 'angular/packages/animations/npm_package'), 'animations',
+            resolveNpmTreeArtifact('angular/packages/animations/npm_package'), 'animations',
             angularFiles, skipDirs);
       }
       if (options.compileCommon) {
         // If this fails please add //packages/common:npm_package as a test data dependency.
         readBazelWrittenFilesFrom(
-            path.join(sources, 'angular/packages/common/npm_package'), 'common', angularFiles,
+            resolveNpmTreeArtifact('angular/packages/common/npm_package'), 'common', angularFiles,
             skipDirs);
       }
       return;
@@ -750,6 +751,10 @@ function isSourceOrDts(fileName: string): boolean {
   return /\.ts$/.test(fileName);
 }
 
+function resolveNpmTreeArtifact(manifestPath: string, resolveFile = 'package.json') {
+  return path.dirname(require.resolve(path.posix.join(manifestPath, resolveFile)));
+}
+
 export function compile(
     rootDirs: MockData, options: {
       emit?: boolean,