test(core): add a symbols test for renderer2 code (#23436)

PR Close #23436
This commit is contained in:
Matias Niemelä 2018-04-12 13:41:22 -07:00 committed by Victor Berchet
parent fd48e53986
commit acf6781ccc
5 changed files with 4199 additions and 0 deletions

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package(default_visibility = ["//visibility:public"])
load("//tools:defaults.bzl", "ts_library", "ng_module")
load("//tools/symbol-extractor:index.bzl", "js_expected_symbol_test")
load("//packages/bazel/src:ng_rollup_bundle.bzl", "ng_rollup_bundle")
load("@build_bazel_rules_nodejs//:defs.bzl", "jasmine_node_test")
load("@build_bazel_rules_typescript//:defs.bzl", "ts_devserver")
ng_module(
name = "hello_world",
srcs = ["index.ts"],
deps = [
"//packages/core",
"//packages/platform-browser-dynamic",
],
)
ng_rollup_bundle(
name = "bundle",
# TODO(alexeagle): This is inconsistent.
# We try to teach users to always have their workspace at the start of a
# path, to disambiguate from other workspaces.
# Here, the rule implementation is looking in an execroot where the layout
# has an "external" directory for external dependencies.
# This should probably start with "angular/" and let the rule deal with it.
entry_point = "packages/core/test/bundling/hello_world_r2/index.js",
deps = [
":hello_world",
"//packages/core",
"//packages/platform-browser-dynamic",
],
)
ts_library(
name = "test_lib",
testonly = 1,
srcs = glob(["*_spec.ts"]),
deps = [
"//packages:types",
"//packages/core/testing",
],
)
jasmine_node_test(
name = "test",
data = [
":bundle",
":bundle.js",
":bundle.min.js.brotli",
":bundle.min_debug.js",
],
deps = [":test_lib"],
)
js_expected_symbol_test(
name = "symbol_test",
src = ":bundle.min_debug.js",
golden = ":bundle.golden_symbols.json",
)
ts_devserver(
name = "devserver",
static_files = [
":bundle.min_debug.js",
":bundle.min.js",
"index.html",
],
deps = [],
)

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<!doctype html>
<html>
<head>
<title>Angular Hello World Example</title>
</head>
<body>
<!-- The Angular application will be bootstrapped into this element. -->
<hello-world></hello-world>
<!--
Script tag which bootstraps the application. Use `?debug` in URL to select
the debug version of the script.
There are two scripts sources: `bundle.min.js` and `bundle.min_debug.js` You can
switch between which bundle the browser loads to experiment with the application.
- `bundle.min.js`: Is what the site would serve to their users. It has gone
through rollup, build-optimizer, and uglify with tree shaking.
- `bundle.min_debug.js`: Is what the developer would like to see when debugging
the application. It has also done through full pipeline of rollup, build-optimizer,
and uglify, however special flags were passed to uglify to prevent inlining and
property renaming.
-->
<script>
document.write('<script src="' +
(document.location.search.endsWith('debug') ? '/bundle.min_debug.js' : '/bundle.min.js') +
'"></' + 'script>');
</script>
</body>
</html>

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {Component, NgModule} from '@angular/core';
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
@Component({selector: 'hello-world', template: 'Hello World!'})
export class HelloWorldComponent {
}
@NgModule({declarations: [HelloWorldComponent]})
export class HelloWorldModule {
}
platformBrowserDynamic().bootstrapModule(HelloWorldModule);

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {withBody} from '@angular/core/testing';
import * as fs from 'fs';
import * as path from 'path';
const UTF8 = {
encoding: 'utf-8'
};
const PACKAGE = 'angular/packages/core/test/bundling/hello_world_r2';
describe('treeshaking with uglify', () => {
let content: string;
const contentPath = require.resolve(path.join(PACKAGE, 'bundle.min_debug.js'));
beforeAll(() => { content = fs.readFileSync(contentPath, UTF8); });
it('should drop unused TypeScript helpers',
() => { expect(content).not.toContain('__asyncGenerator'); });
it('should not contain rxjs from commonjs distro', () => {
expect(content).not.toContain('commonjsGlobal');
expect(content).not.toContain('createCommonjsModule');
});
});