angular-cn/packages/compiler-cli/integrationtest/test/test_ngtools_api.ts

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#!/usr/bin/env node
/**
* @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
*/
// Must be imported first, because Angular decorators throw on load.
import 'reflect-metadata';
import * as path from 'path';
import * as ts from 'typescript';
import * as assert from 'assert';
import {createProgram, readConfiguration} from '@angular/compiler-cli';
/* tslint:disable:no-console */
/**
* Main method.
* Standalone program that executes codegen using the ngtools API and tests that files were
* properly read and wrote.
*/
function main() {
Promise.resolve().then(() => lazyRoutesTest()).then(() => { process.exit(0); }).catch((err) => {
console.error(err.stack);
process.exit(1);
});
}
function lazyRoutesTest() {
const basePath = path.join(__dirname, '../ngtools_src');
const project = path.join(basePath, 'tsconfig-build.json');
const config = readConfiguration(project);
const host = ts.createCompilerHost(config.options, true);
const program = createProgram({
rootNames: config.rootNames,
options: config.options, host,
});
config.options.basePath = basePath;
config.options.rootDir = basePath;
const lazyRoutes = program.listLazyRoutes('app.module#AppModule');
const expectations: {[route: string]: string} = {
'./lazy.module#LazyModule': 'lazy.module.ts',
'./feature/feature.module#FeatureModule': 'feature/feature.module.ts',
'./feature/lazy-feature.module#LazyFeatureModule': 'feature/lazy-feature.module.ts',
'./feature.module#FeatureModule': 'feature/feature.module.ts',
'./lazy-feature-nested.module#LazyFeatureNestedModule': 'feature/lazy-feature-nested.module.ts',
'feature2/feature2.module#Feature2Module': 'feature2/feature2.module.ts',
'./default.module': 'feature2/default.module.ts',
'feature/feature.module#FeatureModule': 'feature/feature.module.ts'
};
lazyRoutes.forEach(lazyRoute => {
const routeName = lazyRoute.route;
// Normalize the module path and the expected module path so that these can be compared
// on Windows where path separators are not consistent with TypeScript internal paths.
const modulePath = path.normalize(lazyRoute.referencedModule.filePath);
const expectedModulePath = path.normalize(path.join(basePath, expectations[routeName]));
assert(routeName in expectations, `Found a route that was not expected: "${routeName}".`);
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assert(
modulePath === expectedModulePath,
`Route "${routeName}" does not point to the expected absolute path ` +
`"${expectedModulePath}". It points to "${modulePath}"`);
});
// Verify that all expectations were met.
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assert.deepEqual(
lazyRoutes.map(lazyRoute => lazyRoute.route), Object.keys(expectations),
`Expected routes listed to be: \n` +
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` ${JSON.stringify(Object.keys(expectations))}\n` +
`Actual:\n` +
` ${JSON.stringify(Object.keys(lazyRoutes))}\n`);
}
main();