test(aio): fix testing of `NgPackagesInstaller` (#19655)

PR Close #19655

aio/package.json

@@ -43,7 +43,7 @@
     "docs-watch": "node tools/transforms/authors-package/watchr.js",
     "docs-lint": "eslint --ignore-path=\"tools/transforms/.eslintignore\" tools/transforms",
     "docs-test": "node tools/transforms/test.js",
-    "tools-test": "./scripts/deploy-to-firebase.test.sh && yarn docs-test && yarn boilerplate:test && jasmine tools/ng-packages-installer.spec.js",
+    "tools-test": "./scripts/deploy-to-firebase.test.sh && yarn docs-test && yarn boilerplate:test && jasmine tools/ng-packages-installer/index.spec.js",
     "serve-and-sync": "concurrently --kill-others \"yarn docs-watch\" \"yarn start\"",
     "boilerplate:add": "node ./tools/examples/example-boilerplate add",
     "boilerplate:remove": "node ./tools/examples/example-boilerplate remove",

aio/tools/ng-packages-installer/index.js

@@ -7,7 +7,6 @@ const shelljs = require('shelljs');
 const yargs = require('yargs');
 
 const PACKAGE_JSON = 'package.json';
-const LOCKFILE = 'yarn.lock';
 const LOCAL_MARKER_PATH = 'node_modules/_local_.json';
 const PACKAGE_JSON_REGEX = /^[^/]+\/package\.json$/;
 
@@ -122,13 +121,14 @@ class NgPackagesInstaller {
       const sourcePackage = packages[key];
       if (sourcePackage) {
         // point the core Angular packages at the distributable folder
-        mergedDependencies[key] = `file:${ANGULAR_DIST_PACKAGES}/${key.replace('@angular/', '')}`;
+        mergedDependencies[key] = `file:${sourcePackage.parentDir}/${key.replace('@angular/', '')}`;
         this._log(`Overriding dependency with local package: ${key}: ${mergedDependencies[key]}`);
         // grab peer dependencies
-        Object.keys(sourcePackage.peerDependencies || {})
+        const sourcePackagePeerDeps = sourcePackage.config.peerDependencies || {};
+        Object.keys(sourcePackagePeerDeps)
           // ignore peerDependencies which are already core Angular packages
           .filter(key => !packages[key])
-          .forEach(key => peerDependencies[key] = sourcePackage.peerDependencies[key]);
+          .forEach(key => peerDependencies[key] = sourcePackagePeerDeps[key]);
       }
     });
     return [mergedDependencies, peerDependencies];
@@ -140,20 +140,25 @@ class NgPackagesInstaller {
    */
   _getDistPackages() {
     const packageConfigs = Object.create(null);
-    this._log(`Angular distributable directory: ${ANGULAR_DIST_PACKAGES}.`);
+
+    [ANGULAR_DIST_PACKAGES].forEach(distDir => {
+      this._log(`Angular distributable directory: ${distDir}.`);
       shelljs
-      .find(ANGULAR_DIST_PACKAGES)
-      .map(filePath => filePath.slice(ANGULAR_DIST_PACKAGES.length + 1))
+        .find(distDir)
+        .map(filePath => filePath.slice(distDir.length + 1))
         .filter(filePath => PACKAGE_JSON_REGEX.test(filePath))
         .forEach(packagePath => {
           const packageName = `@angular/${packagePath.slice(0, -PACKAGE_JSON.length -1)}`;
           if (this.ignorePackages.indexOf(packageName) === -1) {
-          const packageConfig = require(path.resolve(ANGULAR_DIST_PACKAGES, packagePath));
-          packageConfigs[packageName] = packageConfig;
+            const packageConfig = require(path.resolve(distDir, packagePath));
+            packageConfigs[packageName] = {parentDir: distDir, config: packageConfig};
           } else {
             this._log('Ignoring package', packageName);
           }
         });
+
+    });
+
     this._log('Found the following Angular distributables:', Object.keys(packageConfigs).map(key => `\n - ${key}`));
     return packageConfigs;
   }

aio/tools/ng-packages-installer/index.spec.js

@@ -12,6 +12,7 @@ describe('NgPackagesInstaller', () => {
   const nodeModulesDir = path.resolve(absoluteRootDir, 'node_modules');
   const packageJsonPath = path.resolve(absoluteRootDir, 'package.json');
   const packagesDir = path.resolve(path.resolve(__dirname, '../../../dist/packages-dist'));
+  const toolsDir = path.resolve(path.resolve(__dirname, '../../../dist/tools/@angular'));
   let installer;
 
   beforeEach(() => {
@@ -53,10 +54,10 @@ describe('NgPackagesInstaller', () => {
 
       // These are the packages that are "found" in the dist directory
       dummyNgPackages = {
-        '@angular/core': { peerDependencies: { rxjs: '5.0.1' } },
-        '@angular/common': { peerDependencies: { '@angular/core': '4.4.1' } },
-        '@angular/compiler': { },
-        '@angular/compiler-cli': { peerDependencies: { typescript: '^2.4.2', '@angular/compiler': '4.3.2' } }
+        '@angular/core': { parentDir: packagesDir, config: { peerDependencies: { rxjs: '5.0.1' } } },
+        '@angular/common': { parentDir: packagesDir, config: { peerDependencies: { '@angular/core': '4.4.1' } } },
+        '@angular/compiler': { parentDir: packagesDir, config: { } },
+        '@angular/compiler-cli': { parentDir: toolsDir, config: { peerDependencies: { typescript: '^2.4.2', '@angular/compiler': '4.3.2' } } }
       };
       spyOn(installer, '_getDistPackages').and.returnValue(dummyNgPackages);
 
@@ -82,7 +83,7 @@ describe('NgPackagesInstaller', () => {
           '@angular/common': `file:${packagesDir}/common`
         },
         devDependencies: {
-          '@angular/compiler-cli': `file:${packagesDir}/compiler-cli`,
+          '@angular/compiler-cli': `file:${toolsDir}/compiler-cli`,
           rxjs: '5.0.1',
           typescript: '^2.4.2'
         },
@@ -154,14 +155,27 @@ describe('NgPackagesInstaller', () => {
   describe('_getDistPackages', () => {
     it('should include top level Angular packages', () => {
       const ngPackages = installer._getDistPackages();
+      const expectedValue = jasmine.objectContaining({
+        parentDir: jasmine.any(String),
+        config: jasmine.any(Object),
+      });
 
       // For example...
-      expect(ngPackages['@angular/common']).toBeDefined();
-      expect(ngPackages['@angular/core']).toBeDefined();
-      expect(ngPackages['@angular/router']).toBeDefined();
-      expect(ngPackages['@angular/upgrade']).toBeDefined();
+      expect(ngPackages['@angular/common']).toEqual(expectedValue);
+      expect(ngPackages['@angular/core']).toEqual(expectedValue);
+      expect(ngPackages['@angular/router']).toEqual(expectedValue);
+      expect(ngPackages['@angular/upgrade']).toEqual(expectedValue);
 
       expect(ngPackages['@angular/upgrade/static']).not.toBeDefined();
+    });
+
+    it('should store each package\'s parent directory', () => {
+      const ngPackages = installer._getDistPackages();
+
+      // For example...
+      expect(ngPackages['@angular/core'].parentDir).toBe(packagesDir);
+      expect(ngPackages['@angular/router'].parentDir).toBeDefined(toolsDir);
+    });
 
     it('should not include packages that have been ignored', () => {
       installer = new NgPackagesInstaller(rootDir, { ignorePackages: ['@angular/router'] });
@@ -171,7 +185,6 @@ describe('NgPackagesInstaller', () => {
       expect(ngPackages['@angular/router']).toBeUndefined();
     });
   });
-  });
 
   describe('_log()', () => {
     beforeEach(() => {

scripts/ci/build.sh

@@ -41,12 +41,12 @@ if [[ ${CI_MODE:-} == "aio" ]]; then
 fi
 
 # Build the Angular packages then exit (no further build required)
-if [[ ${CI_MODE:-} == "aio_e2e" ]]; then
-  travisFoldStart "build.aio_e2e"
+if [[ ${CI_MODE:-} == "aio_e2e" || ${CI_MODE:-} == "aio_tools_test" ]]; then
+  travisFoldStart "build.$CI_MODE"
   (
     ./build.sh
   )
-  travisFoldEnd "build.aio_e2e"
+  travisFoldEnd "build.$CI_MODE"
   exit 0;
 fi