ng test fails to build lazy loading modules

Bug Report or Feature Request (mark with an x)

- [x] bug report
- [ ] feature request

Versions.

Angular CLI: 1.5.0-rc.0
Node: 8.5.0
OS: win32 x64
Angular: 5.0.0-rc.2
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

@angular/cli: 1.5.0-rc.0
@angular-devkit/build-optimizer: 0.0.27
@angular-devkit/core: 0.0.20
@angular-devkit/schematics: 0.0.33
@ngtools/json-schema: 1.1.0
@ngtools/webpack: 1.8.0-rc.0
@schematics/angular: 0.0.45
typescript: 2.3.4
webpack: 3.7.1

Repro steps.

• ng new apptest
• update packages to latest pre-releases angular 5.0.0-rc.2, angluar/cli 1.5.0-rc.0 and typescript 2.4.0
• Create a module to be lazy loaded
• run ng test

The log given by the failure.

C:\Users\development\apptest>ng test
 10% building modules 1/1 modules 0 active16 10 2017 08:13:36.642:WARN [karma]: No captured browser, open http://localhost:9876/
16 10 2017 08:13:36.662:WARN [karma]: Port 9876 in use
16 10 2017 08:13:36.665:INFO [karma]: Karma v1.7.1 server started at http://0.0.0.0:9877/
16 10 2017 08:13:36.665:INFO [launcher]: Launching browser Chrome with unlimited concurrency
16 10 2017 08:13:36.690:INFO [launcher]: Starting browser Chrome                                                                                                                                                              [../../../../../src/polyfills.ts] ./src/po
lyfills.ts 299 bytes {polyfills} [built] [failed] [1 error]
   [0] multi ./src/polyfills.ts 28 bytes {polyfills} [built]
[../../../../../src/test.ts] ./src/test.ts 299 bytes {main} [built] [failed] [1 error]

ERROR in ./src/test.ts
Module build failed: Error: TypeScript compilation failed.
    at plugin.done.then (C:\Users\development\apptest\node_modules\@ngtools\webpack\src\loader.js:479:27)
    at <anonymous>
    at process._tickCallback (internal/process/next_tick.js:188:7)

ERROR in ./src/polyfills.ts
Module build failed: Error: TypeScript compilation failed.
    at plugin.done.then (C:\Users\development\apptest\node_modules\@ngtools\webpack\src\loader.js:479:27)
    at <anonymous>
    at process._tickCallback (internal/process/next_tick.js:188:7)
 @ multi ./src/polyfills.ts

ERROR in Error: C:/Users/development/apptest/src/app/lazy/lazy.module.ts is not part of the TypeScript compilation. Please include it in your tsconfig via the 'files' or 'include' property.
    at sourceFiles._getChangedTsFiles.map (C:\Users\development\apptest\node_modules\@ngtools\webpack\src\angular_compiler_plugin.js:517:31)
    at Array.map (<anonymous>)
    at Promise.resolve.then.then.then (C:\Users\development\apptest\node_modules\@ngtools\webpack\src\angular_compiler_plugin.js:513:63)
    at <anonymous>

Desired functionality.

Should build and run tests

Mention any other details that might be useful.

• ng build works fine (jit + aot)
• current workaround is changing tsconfig.spec.json include section to **/*.ts
• works fine in angular 5 with angular-cli 1.4.7(with typescript 2.4.2) and angular 4.4.5 with angular-cli 1.5.0-rc.0 (with typescript 2.3.4)

[filipesilva]

This is a bug, will fix. Thank you for the report 👍

[leocaseiro]

Try add the file polyfills.ts and include "app/**/*" to your tsconfig.spec.json like so:

{
  "extends": "../tsconfig.json",
  "compilerOptions": {
    "outDir": "../out-tsc/spec",
    "baseUrl": "./",
    "module": "commonjs",
    "target": "es5",
    "types": [
      "jasmine",
      "node"
    ]
  },
  "files": [
    "test.ts",
    "polyfills.ts" // here
  ],
  "include": [
    "app/**/*", // here
    "**/*.spec.ts",
    "**/*.d.ts"
  ]
}