test: add library consumption test

tests/e2e/tests/generate/library/library-basic.ts

@@ -1,13 +1,12 @@
-import {ng} from '../../../utils/process';
+import { ng, silentNpm } from '../../../utils/process';
 import { expectFileToMatch } from '../../../utils/fs';
+import { useCIChrome } from '../../../utils/project';
 
-
-export default function() {
+export default function () {
   return ng('generate', 'library', 'my-lib')
-    .then(() => expectFileToMatch('angular.json', /\"my-lib\":/));
-
-    // TODO: enable once generating Angular v6 projects
-    // this is due to the service using `providedIn`
-    // .then(() => useCIChrome())
-    // .then(() => ng('test', 'my-lib', '--watch=false'));
+    .then(() => expectFileToMatch('angular.json', /\"my-lib\":/))
+    .then(() => useCIChrome('my-lib'))
+    .then(() => silentNpm('install'))
+    .then(() => ng('build', 'my-lib'))
+    .then(() => ng('test', 'my-lib', '--watch=false'));
 }

tests/e2e/tests/generate/library/library-consumption.ts

@@ -0,0 +1,46 @@
+import { ng, silentNpm } from '../../../utils/process';
+import { writeFile } from '../../../utils/fs';
+
+export default function () {
+  return ng('generate', 'library', 'my-lib')
+    .then(() => silentNpm('install'))
+    .then(() => ng('build', 'my-lib'))
+    .then(() => writeFile('./projects/test-project/src/app/app.module.ts', `
+      import { BrowserModule } from '@angular/platform-browser';
+      import { NgModule } from '@angular/core';
+      import { MyLibModule } from 'my-lib';
+
+      import { AppComponent } from './app.component';
+
+      @NgModule({
+        declarations: [
+          AppComponent
+        ],
+        imports: [
+          BrowserModule,
+          MyLibModule,
+        ],
+        providers: [],
+        bootstrap: [AppComponent]
+      })
+      export class AppModule { }
+    `))
+    .then(() => writeFile('./projects/test-project/src/app/app.component.ts', `
+      import { Component } from '@angular/core';
+      import { MyLibService } from 'my-lib';
+
+      @Component({
+        selector: 'app-root',
+        template: '<my-lib></my-lib>'
+      })
+      export class AppComponent {
+        title = 'app';
+
+        constructor(myLibService: MyLibService) {
+          console.log(myLibService);
+        }
+      }
+    `))
+    .then(() => ng('build', 'test-project'))
+    .then(() => ng('build', 'test-project', '--prod'));
+}