build: improve test resolution

Author: timdeschryver

angular.json

@@ -43,7 +43,8 @@
           "builder": "@angular/build:unit-test",
           "options": {
             "buildTarget": "testing-library:test-build-zoneless",
-            "setupFiles": ["projects/testing-library/test-setup.ts"]
+            "setupFiles": ["projects/testing-library/test-setup.ts"],
+            "include": ["**/*.spec.ts", "../zoneless/**/*.spec.ts", "../schematics/**/*.spec.ts"]
           }
         },
         "lint": {

projects/testing-library/schematics/migrate-to-zoneless/index.spec.ts

@@ -2,6 +2,7 @@ import { SchematicTestRunner, UnitTestTree } from '@angular-devkit/schematics/te
 import * as path from 'path';
 import { EmptyTree } from '@angular-devkit/schematics';
 import { test, expect } from 'vitest';
+import migrateToZoneless from './index';
 
 test('migrates imports from @testing-library/angular to @testing-library/angular/zoneless', async () => {
   const before = `
@@ -115,7 +116,7 @@ test('migrates multiple files', async () => {
 });
 
 async function setup(files: Record<string, string>) {
-  const collectionPath = path.join(__dirname, '../../../../dist/@testing-library/angular/schematics/collection.json');
+  const collectionPath = path.join(__dirname, '../collection.json');
   const schematicRunner = new SchematicTestRunner('schematics', collectionPath);
 
   const tree = new UnitTestTree(new EmptyTree());
@@ -124,7 +125,11 @@ async function setup(files: Record<string, string>) {
     tree.create(filePath, content);
   }
 
-  await schematicRunner.runSchematic('migrate-to-zoneless', {}, tree);
+  // Call the rule directly instead of resolving it through the collection,
+  // as the collection's factory only exists in compiled output.
+  await new Promise((resolve, reject) => {
+    schematicRunner.callRule(migrateToZoneless(), tree).subscribe({ complete: () => resolve(tree), error: reject });
+  });
 
   return tree;
 }

projects/testing-library/schematics/migrations/dtl-as-dev-dependency/index.spec.ts

@@ -2,6 +2,7 @@ import { SchematicTestRunner, UnitTestTree } from '@angular-devkit/schematics/te
 import * as path from 'path';
 import { EmptyTree } from '@angular-devkit/schematics';
 import { test, expect } from 'vitest';
+import addDtlAsDevDependency from './index';
 
 test('adds DTL to devDependencies', async () => {
   const tree = await setup({});
@@ -37,7 +38,11 @@ async function setup(packageJson: object) {
   const tree = new UnitTestTree(new EmptyTree());
   tree.create('package.json', JSON.stringify(packageJson));
 
-  await schematicRunner.runSchematic(`atl-add-dtl-as-dev-dependency`, {}, tree);
+  // Call the rule directly instead of resolving it through the collection,
+  // as the collection's factory only exists in compiled output.
+  await new Promise((resolve, reject) => {
+    schematicRunner.callRule(addDtlAsDevDependency(), tree).subscribe({ complete: () => resolve(tree), error: reject });
+  });
 
   return tree;
 }

…sting-library/src/tests/zoneless.spec.ts …-library/zoneless/tests/zoneless.spec.tsprojects/testing-library/src/tests/zoneless.spec.ts renamed to projects/testing-library/zoneless/tests/zoneless.spec.ts projects/testing-library/src/tests/zoneless.spec.ts renamed to projects/testing-library/zoneless/tests/zoneless.spec.ts

@@ -1,7 +1,7 @@
 import { Component, inject, Injectable, model, output, outputBinding, signal, twoWayBinding } from '@angular/core';
 import { test, expect, vi } from 'vitest';
 import userEvent from '@testing-library/user-event';
-import { render, screen } from '../../zoneless';
+import { render, screen } from '../index';
 
 @Injectable()
 class CounterService {