angular-docs-cn/integration
Pete Bacon Darwin 2bf5606bbe feat(ivy): i18n - reorganize entry-points for better reuse (#32488)
This is a refactoring that moves the source code around to provide a better
platform for adding the compile-time inlining.

1. Move the global side-effect import from the primary entry-point to a
   secondary entry-point @angular/localize/init.

   This has two benefits: first it allows the top level entry-point to
   contain tree-shakable shareable code; second it gives the side-effect
   import more of an "action" oriented name, which indicates that importing
   it does something tangible

2. Move all the source code into the top src folder, and import the localize
   related functions into the localize/init/index.ts entry-point.

   This allows the different parts of the package to share code without
   a proliferation of secondary entry-points (i.e. localize/utils).

3. Avoid publicly exporting any utilities at this time - the only public
   API at this point are the global `$localize` function and the two runtime
   helpers `loadTranslations()` and `clearTranslations()`.
   This does not mean that we will not expose additional helpers for 3rd
   party tooling in the future, but it avoid us preemptively exposing
   something that we might want to change in the near future.

Notes:

It is not possible to have the `$localize` code in the same Bazel package
as the rest of the code. If we did this, then the bundled `@angular/localize/init`
entry-point code contains all of the helper code, even though most of it is not used.

Equally it is not possible to have the `$localize` types (i.e. `LocalizeFn`
and `TranslateFn`) defined in the `@angular/localize/init` entry-point because
these types are needed for the runtime code, which is inside the primary
entry-point. Importing them from `@angular/localize/init` would run the
side-effect.

The solution is to have a Bazel sub-package at `//packages/localize/src/localize`
which contains these types and the `$localize` function implementation.
The primary `//packages/localize` entry-point imports the types without
any side-effect.
The secondary `//packages/localize/init` entry-point imports the `$localize`
function and attaches it to the global scope as a side-effect, without
bringing with it all the other utility functions.

BREAKING CHANGES:

The entry-points have changed:

* To attach the `$localize` function to the global scope import from
`@angular/localize/init`. Previously it was `@angular/localize`.

* To access the `loadTranslations()` and `clearTranslations()` functions,
import from `@angular/localize`. Previously it was `@angular/localize/run_time`.

PR Close #32488
2019-09-12 15:35:34 -07:00
..
bazel feat: make the Ivy compiler the default for ngc (#32219) 2019-08-20 16:41:08 -07:00
bazel-schematics feat: make the Ivy compiler the default for ngc (#32219) 2019-08-20 16:41:08 -07:00
cli-hello-world feat: make the Ivy compiler the default for ngc (#32219) 2019-08-20 16:41:08 -07:00
cli-hello-world-ivy-compat build: update tslint to version ~5.18.0 (#31879) 2019-08-09 10:47:43 -07:00
cli-hello-world-ivy-i18n feat(ivy): i18n - reorganize entry-points for better reuse (#32488) 2019-09-12 15:35:34 -07:00
cli-hello-world-ivy-minimal test: make cli-hello-world-ivy-minimal/debug-test.sh executable (#31609) 2019-08-30 12:53:26 -07:00
dynamic-compiler feat: make the Ivy compiler the default for ngc (#32219) 2019-08-20 16:41:08 -07:00
hello_world__closure feat: make the Ivy compiler the default for ngc (#32219) 2019-08-20 16:41:08 -07:00
hello_world__systemjs_umd feat: make the Ivy compiler the default for ngc (#32219) 2019-08-20 16:41:08 -07:00
i18n feat: make the Ivy compiler the default for ngc (#32219) 2019-08-20 16:41:08 -07:00
injectable-def feat: make the Ivy compiler the default for ngc (#32219) 2019-08-20 16:41:08 -07:00
language_service_plugin feat(language-service): add definitions for styleUrls (#32464) 2019-09-09 16:04:14 -04:00
ng_elements feat: make the Ivy compiler the default for ngc (#32219) 2019-08-20 16:41:08 -07:00
ng_update build: hide @angular/http for Angular v8 (#29550) 2019-04-02 10:55:31 -07:00
ng_update_migrations test: add integration test for undecorated-classes-with-di migration (#32349) 2019-08-29 12:34:44 -07:00
ngcc test(ngcc): print an informative message when an integration test fails (#32427) 2019-09-09 15:55:14 -04:00
platform-server feat: make the Ivy compiler the default for ngc (#32219) 2019-08-20 16:41:08 -07:00
service-worker-schema test(service-worker): verify that `config/schema.json` is published to npm (#27859) 2019-03-05 16:48:26 -08:00
side-effects feat(ivy): i18n - reorganize entry-points for better reuse (#32488) 2019-09-12 15:35:34 -07:00
terser feat(compiler-cli): export tooling definitions (#29929) 2019-04-17 17:23:01 -07:00
typings_test_ts34 test: fix outDir in TS integration tests (#29284) 2019-07-31 11:40:27 -07:00
typings_test_ts35 test: fix outDir in TS integration tests (#29284) 2019-07-31 11:40:27 -07:00
.gitignore test(ivy): add cli-hello-world-ivy-i18n integration test (#31609) 2019-08-30 12:53:26 -07:00
README.md build: update render3 section of integration test readme (#28372) 2019-02-07 12:36:51 -08:00
_payload-limits.json fix(core): initialize global ngDevMode without toplevel side effects (#32079) 2019-09-11 20:31:14 -04:00
get-sharded-tests.js build: shard integration tests on circleci (#27937) 2019-01-07 15:35:09 -08:00
run_tests.sh ci: do not install firebase-tools without cache (#28615) 2019-02-08 10:23:19 -08:00

README.md

Integration tests for Angular

This directory contains end-to-end tests for Angular. Each directory is a self-contained application that exactly mimics how a user might expect Angular to work, so they allow high-fidelity reproductions of real-world issues.

For this to work, we first build the Angular distribution just like we would publish it to npm, then install the distribution into each app.

To test Angular CLI applications, we use the integration test cli-hello-world. When a significant change is released in the CLI, the application should be updated with ng update:

$ cd integration/cli-hello-world
$ yarn install
$ yarn ng update @angular/cli @angular-devkit/build-angular
# yarn build
# yarn test
# typescript version

Render3 tests

The directory cli-hello-world-ivy-compat contains a test for render3 used with the angular cli.

The cli-hello-world-ivy-minimal contains a minimal ivy app that is meant to mimic the bazel equivalent in packages/core/test/bundling/hello_world, and should be kept similar.

Writing an integration test

The API for each test is:

  • Each sub-directory here is an integration test
  • Each test should have a package.json file
  • The test runner will run yarn and yarn test on the package

This means that the test should be started by test script, like

"scripts": {"test": "runProgramA && assertResultIsGood"}

Note that the package.json file uses a special file://../../dist scheme to reference the Angular packages, so that the locally-built Angular is installed into the test app.

Also, beware of floating (non-locked) dependencies. If in doubt you can install the package directly from file:../../node_modules.

Running integration tests

$ ./integration/run_tests.sh

The test runner will first re-build any stale npm packages, then cd into each subdirectory to execute the test.