test(@angular-devkit/build-angular): validate that libraries source-maps are created

Author: alan-agius4

tests/legacy-cli/e2e/tests/generate/library/library-consumption-ivy-full.ts

@@ -1,11 +1,13 @@
-import { writeFile } from '../../../utils/fs';
+import { expectFileToMatch, writeFile } from '../../../utils/fs';
 import { ng } from '../../../utils/process';
 import { updateJsonFile } from '../../../utils/project';
 
 export default async function () {
   await ng('generate', 'library', 'my-lib');
 
-  await writeFile('./src/app/app.module.ts', `
+  await writeFile(
+    './src/app/app.module.ts',
+    `
       import { BrowserModule } from '@angular/platform-browser';
       import { NgModule } from '@angular/core';
       import { MyLibModule } from 'my-lib';
@@ -24,9 +26,12 @@ export default async function () {
         bootstrap: [AppComponent]
       })
       export class AppModule { }
-    `);
+    `,
+  );
 
-  await writeFile('./src/app/app.component.ts', `
+  await writeFile(
+    './src/app/app.component.ts',
+    `
       import { Component } from '@angular/core';
       import { MyLibService } from 'my-lib';
 
@@ -41,9 +46,12 @@ export default async function () {
           console.log(myLibService);
         }
       }
-    `);
+    `,
+  );
 
-  await writeFile('e2e/src/app.e2e-spec.ts', `
+  await writeFile(
+    'e2e/src/app.e2e-spec.ts',
+    `
     import { browser, logging, element, by } from 'protractor';
     import { AppPage } from './app.po';
 
@@ -67,7 +75,8 @@ export default async function () {
         }));
       });
     });
-  `);
+  `,
+  );
 
   // Build library in full mode (development)
   await ng('build', 'my-lib', '--configuration=development');
@@ -76,7 +85,7 @@ export default async function () {
   await runTests();
 
   // JIT linking
-  await updateJsonFile('angular.json', config => {
+  await updateJsonFile('angular.json', (config) => {
     const build = config.projects['test-project'].architect.build;
     build.options.aot = false;
     build.configurations.production.buildOptimizer = false;
@@ -89,4 +98,8 @@ async function runTests(): Promise<void> {
   // Check that the tests succeeds both with named project, unnamed (should test app), and prod.
   await ng('e2e');
   await ng('e2e', 'test-project', '--devServerTarget=test-project:serve:production');
+
+  // Validate that sourcemaps for the library exists.
+  await ng('build', '--configuration=development');
+  await expectFileToMatch('dist/test-project/main.js.map', 'projects/my-lib/src/public-api.ts');
 }

tests/legacy-cli/e2e/tests/generate/library/library-consumption-ivy-partial.ts

@@ -1,11 +1,13 @@
-import { writeFile } from '../../../utils/fs';
+import { expectFileToMatch, writeFile } from '../../../utils/fs';
 import { ng } from '../../../utils/process';
 import { updateJsonFile } from '../../../utils/project';
 
 export default async function () {
   await ng('generate', 'library', 'my-lib');
 
-  await writeFile('./src/app/app.module.ts', `
+  await writeFile(
+    './src/app/app.module.ts',
+    `
       import { BrowserModule } from '@angular/platform-browser';
       import { NgModule } from '@angular/core';
       import { MyLibModule } from 'my-lib';
@@ -24,9 +26,12 @@ export default async function () {
         bootstrap: [AppComponent]
       })
       export class AppModule { }
-    `);
+    `,
+  );
 
-  await writeFile('./src/app/app.component.ts', `
+  await writeFile(
+    './src/app/app.component.ts',
+    `
       import { Component } from '@angular/core';
       import { MyLibService } from 'my-lib';
 
@@ -41,9 +46,12 @@ export default async function () {
           console.log(myLibService);
         }
       }
-    `);
+    `,
+  );
 
-  await writeFile('e2e/src/app.e2e-spec.ts', `
+  await writeFile(
+    'e2e/src/app.e2e-spec.ts',
+    `
     import { browser, logging, element, by } from 'protractor';
     import { AppPage } from './app.po';
 
@@ -67,7 +75,8 @@ export default async function () {
         }));
       });
     });
-  `);
+  `,
+  );
 
   // Build library in partial mode (production)
   await ng('build', 'my-lib', '--configuration=production');
@@ -76,7 +85,7 @@ export default async function () {
   await runTests();
 
   // JIT linking
-  await updateJsonFile('angular.json', config => {
+  await updateJsonFile('angular.json', (config) => {
     const build = config.projects['test-project'].architect.build;
     build.options.aot = false;
     build.configurations.production.buildOptimizer = false;
@@ -89,4 +98,8 @@ async function runTests(): Promise<void> {
   // Check that the tests succeeds both with named project, unnamed (should test app), and prod.
   await ng('e2e');
   await ng('e2e', 'test-project', '--devServerTarget=test-project:serve:production');
+
+  // Validate that sourcemaps for the library exists.
+  await ng('build', '--configuration=development');
+  await expectFileToMatch('dist/test-project/main.js.map', 'projects/my-lib/src/public-api.ts');
 }

tests/legacy-cli/e2e/tests/generate/library/library-consumption-ve.ts

@@ -1,19 +1,21 @@
-import { writeFile } from '../../../utils/fs';
+import { expectFileToMatch, writeFile } from '../../../utils/fs';
 import { ng } from '../../../utils/process';
 import { updateJsonFile } from '../../../utils/project';
 
 export default async function () {
   await ng('generate', 'library', 'my-lib');
 
-  await updateJsonFile('projects/my-lib/tsconfig.lib.prod.json', config => {
+  await updateJsonFile('projects/my-lib/tsconfig.lib.prod.json', (config) => {
     const { angularCompilerOptions = {} } = config;
     angularCompilerOptions.enableIvy = false;
     angularCompilerOptions.skipTemplateCodegen = true;
     angularCompilerOptions.strictMetadataEmit = true;
     config.angularCompilerOptions = angularCompilerOptions;
   });
 
-  await writeFile('./src/app/app.module.ts', `
+  await writeFile(
+    './src/app/app.module.ts',
+    `
       import { BrowserModule } from '@angular/platform-browser';
       import { NgModule } from '@angular/core';
       import { MyLibModule } from 'my-lib';
@@ -32,9 +34,12 @@ export default async function () {
         bootstrap: [AppComponent]
       })
       export class AppModule { }
-    `);
+    `,
+  );
 
-  await writeFile('./src/app/app.component.ts', `
+  await writeFile(
+    './src/app/app.component.ts',
+    `
       import { Component } from '@angular/core';
       import { MyLibService } from 'my-lib';
 
@@ -49,9 +54,12 @@ export default async function () {
           console.log(myLibService);
         }
       }
-    `);
+    `,
+  );
 
-  await writeFile('e2e/src/app.e2e-spec.ts', `
+  await writeFile(
+    'e2e/src/app.e2e-spec.ts',
+    `
     import { browser, logging, element, by } from 'protractor';
     import { AppPage } from './app.po';
 
@@ -75,7 +83,8 @@ export default async function () {
         }));
       });
     });
-  `);
+  `,
+  );
 
   // Build library in VE mode (production)
   await ng('build', 'my-lib', '--configuration=production');
@@ -84,7 +93,7 @@ export default async function () {
   await runTests();
 
   // JIT linking
-  await updateJsonFile('angular.json', config => {
+  await updateJsonFile('angular.json', (config) => {
     const build = config.projects['test-project'].architect.build;
     build.options.aot = false;
     build.configurations.production.buildOptimizer = false;
@@ -97,4 +106,8 @@ async function runTests(): Promise<void> {
   // Check that the tests succeeds both with named project, unnamed (should test app), and prod.
   await ng('e2e');
   await ng('e2e', 'test-project', '--devServerTarget=test-project:serve:production');
+
+  // Validate that sourcemaps for the library exists.
+  await ng('build', '--configuration=development');
+  await expectFileToMatch('dist/test-project/main.js.map', 'projects/my-lib/src/public-api.ts');
 }