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ci: Add back the CLI integration test with pinning (#21555)

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The CLI app is now checked in, rather than generated dynamically with
`ng new`. This loses some assertion power, but gains hermeticity.
It also checks in lock files for all integration tests, avoiding
floating version numbers.

We'll need another place to integration test between changes in
the various repositories - but the angular/angular PR-blocking status
is not the right place to do this.

PR Close #21555
This commit is contained in:
Alex Eagle
2018-01-16 07:09:59 -08:00
committed by Misko Hevery
parent 56f3e18c1c
commit 87e06d765e
42 changed files with 22984 additions and 100 deletions
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integration/README.md
+20 -5
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@@ -1,11 +1,24 @@
# 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.
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.
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 generate integration tests such as `cli-hello-world`.
This was generated with a current version of the CLI, and the only modification was replacement of `@angular/*` packages with their counterparts coming from `file:../../dist/packages-dist/*`.
When a significant change is released in the CLI, the application should be re-generated from scratch:
```bash
$ cd integration
$ rm -rf cli-hello-world
$ ng new cli-hello-world
# Edit cli-hello-world/package.json to point the @angular packages to dist/packages-dist, and preserve local mods to
# ng build
# ng test
# typescript version
```
## Writing an integration test
@@ -29,6 +42,8 @@ you can install the package directly from `file:../../node_modules`.
## Running integration tests
First you must run `build.sh` to create the current distribution.
You can iterate on the tests by keeping the dist folder up-to-date.
See the `package.json` of the test(s) you're debugging, to see which dist/ folders they install from.
Then run the right `tsc --watch` command to keep those dist folders up-to-date, for example: