angular-docs-cn/packages/compiler-cli/test/aot_host_spec.ts

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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 {ModuleMetadata} from '@angular/tsc-wrapped';
import * as ts from 'typescript';
import {CompilerHost} from '../src/compiler_host';
import {Directory, Entry, MockAotContext, MockCompilerHost} from './mocks';
describe('CompilerHost', () => {
let context: MockAotContext;
let program: ts.Program;
let hostNestedGenDir: CompilerHost;
let hostSiblingGenDir: CompilerHost;
beforeEach(() => {
context = new MockAotContext('/tmp/src', clone(FILES));
const host = new MockCompilerHost(context);
program = ts.createProgram(
['main.ts'], {
module: ts.ModuleKind.CommonJS,
},
host);
// Force a typecheck
const errors = program.getSemanticDiagnostics();
if (errors && errors.length) {
throw new Error('Expected no errors');
}
hostNestedGenDir = new CompilerHost(
program, {
genDir: '/tmp/project/src/gen/',
basePath: '/tmp/project/src',
skipMetadataEmit: false,
strictMetadataEmit: false,
skipTemplateCodegen: false,
trace: false
},
context);
hostSiblingGenDir = new CompilerHost(
program, {
genDir: '/tmp/project/gen',
basePath: '/tmp/project/src/',
skipMetadataEmit: false,
strictMetadataEmit: false,
skipTemplateCodegen: false,
trace: false
},
context);
});
describe('nestedGenDir', () => {
it('should import node_module from factory', () => {
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/node_modules/@angular/core.d.ts',
'/tmp/project/src/gen/my.ngfactory.ts', ))
.toEqual('@angular/core');
});
it('should import factory from factory', () => {
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/src/my.other.ngfactory.ts', '/tmp/project/src/my.ngfactory.ts'))
.toEqual('./my.other.ngfactory');
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/src/my.other.css.ngstyle.ts', '/tmp/project/src/a/my.ngfactory.ts'))
.toEqual('../my.other.css.ngstyle');
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/src/a/my.other.shim.ngstyle.ts', '/tmp/project/src/my.ngfactory.ts'))
.toEqual('./a/my.other.shim.ngstyle');
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/src/my.other.sass.ngstyle.ts', '/tmp/project/src/a/my.ngfactory.ts'))
.toEqual('../my.other.sass.ngstyle');
});
it('should import application from factory', () => {
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/src/my.other.ts', '/tmp/project/src/my.ngfactory.ts'))
.toEqual('../my.other');
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/src/my.other.ts', '/tmp/project/src/a/my.ngfactory.ts'))
.toEqual('../../my.other');
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/src/a/my.other.ts', '/tmp/project/src/my.ngfactory.ts'))
.toEqual('../a/my.other');
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/src/a/my.other.css.ts', '/tmp/project/src/my.ngfactory.ts'))
.toEqual('../a/my.other.css');
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/src/a/my.other.css.shim.ts', '/tmp/project/src/my.ngfactory.ts'))
.toEqual('../a/my.other.css.shim');
});
});
describe('siblingGenDir', () => {
it('should import node_module from factory', () => {
expect(hostSiblingGenDir.fileNameToModuleName(
'/tmp/project/node_modules/@angular/core.d.ts',
'/tmp/project/src/gen/my.ngfactory.ts'))
.toEqual('@angular/core');
});
it('should import factory from factory', () => {
expect(hostSiblingGenDir.fileNameToModuleName(
'/tmp/project/src/my.other.ngfactory.ts', '/tmp/project/src/my.ngfactory.ts'))
.toEqual('./my.other.ngfactory');
expect(hostSiblingGenDir.fileNameToModuleName(
'/tmp/project/src/my.other.css.ts', '/tmp/project/src/a/my.ngfactory.ts'))
.toEqual('../my.other.css');
expect(hostSiblingGenDir.fileNameToModuleName(
'/tmp/project/src/a/my.other.css.shim.ts', '/tmp/project/src/my.ngfactory.ts'))
.toEqual('./a/my.other.css.shim');
});
it('should import application from factory', () => {
expect(hostSiblingGenDir.fileNameToModuleName(
'/tmp/project/src/my.other.ts', '/tmp/project/src/my.ngfactory.ts'))
.toEqual('./my.other');
expect(hostSiblingGenDir.fileNameToModuleName(
'/tmp/project/src/my.other.ts', '/tmp/project/src/a/my.ngfactory.ts'))
.toEqual('../my.other');
expect(hostSiblingGenDir.fileNameToModuleName(
'/tmp/project/src/a/my.other.ts', '/tmp/project/src/my.ngfactory.ts'))
.toEqual('./a/my.other');
});
});
it('should be able to produce an import from main @angular/core', () => {
expect(hostNestedGenDir.fileNameToModuleName(
'/tmp/project/node_modules/@angular/core.d.ts', '/tmp/project/src/main.ts'))
.toEqual('@angular/core');
});
it('should be able to produce an import to a shallow import', () => {
expect(hostNestedGenDir.fileNameToModuleName('@angular/core', '/tmp/project/src/main.ts'))
.toEqual('@angular/core');
expect(hostNestedGenDir.fileNameToModuleName(
'@angular/upgrade/static', '/tmp/project/src/main.ts'))
.toEqual('@angular/upgrade/static');
expect(hostNestedGenDir.fileNameToModuleName('myLibrary', '/tmp/project/src/main.ts'))
.toEqual('myLibrary');
expect(hostNestedGenDir.fileNameToModuleName('lib23-43', '/tmp/project/src/main.ts'))
.toEqual('lib23-43');
});
it('should be able to produce an import from main to a sub-directory', () => {
expect(hostNestedGenDir.fileNameToModuleName('lib/utils.ts', 'main.ts')).toEqual('./lib/utils');
});
it('should be able to produce an import from to a peer file', () => {
expect(hostNestedGenDir.fileNameToModuleName('lib/collections.ts', 'lib/utils.ts'))
.toEqual('./collections');
});
it('should be able to produce an import from to a sibling directory', () => {
expect(hostNestedGenDir.fileNameToModuleName('lib/utils.ts', 'lib2/utils2.ts'))
.toEqual('../lib/utils');
});
it('should be able to read a metadata file', () => {
expect(hostNestedGenDir.getMetadataFor('node_modules/@angular/core.d.ts')).toEqual([
{__symbolic: 'module', version: 3, metadata: {foo: {__symbolic: 'class'}}}
]);
});
it('should be able to read metadata from an otherwise unused .d.ts file ', () => {
expect(hostNestedGenDir.getMetadataFor('node_modules/@angular/unused.d.ts')).toEqual([
dummyMetadata
]);
});
it('should be able to read empty metadata ', () => {
expect(hostNestedGenDir.getMetadataFor('node_modules/@angular/empty.d.ts')).toEqual([]);
});
it('should return undefined for missing modules', () => {
expect(hostNestedGenDir.getMetadataFor('node_modules/@angular/missing.d.ts')).toBeUndefined();
});
it('should add missing v3 metadata from v1 metadata and .d.ts files', () => {
expect(hostNestedGenDir.getMetadataFor('metadata_versions/v1.d.ts')).toEqual([
{__symbolic: 'module', version: 1, metadata: {foo: {__symbolic: 'class'}}}, {
__symbolic: 'module',
version: 3,
metadata: {
foo: {__symbolic: 'class'},
Bar: {__symbolic: 'class', members: {ngOnInit: [{__symbolic: 'method'}]}},
BarChild: {__symbolic: 'class', extends: {__symbolic: 'reference', name: 'Bar'}},
ReExport: {__symbolic: 'reference', module: './lib/utils2', name: 'ReExport'},
},
exports: [{from: './lib/utils2', export: ['Export']}],
}
]);
});
it('should upgrade a missing metadata file into v3', () => {
expect(hostNestedGenDir.getMetadataFor('metadata_versions/v1_empty.d.ts')).toEqual([
{__symbolic: 'module', version: 3, metadata: {}, exports: [{from: './lib/utils'}]}
]);
});
});
const dummyModule = 'export let foo: any[];';
const dummyMetadata: ModuleMetadata = {
__symbolic: 'module',
version: 3,
metadata:
{foo: {__symbolic: 'error', message: 'Variable not initialized', line: 0, character: 11}}
};
const FILES: Entry = {
'tmp': {
'src': {
'main.ts': `
import * as c from '@angular/core';
import * as r from '@angular/router';
import * as u from './lib/utils';
import * as cs from './lib/collections';
import * as u2 from './lib2/utils2';
`,
'lib': {
'utils.ts': dummyModule,
'collections.ts': dummyModule,
},
'lib2': {'utils2.ts': dummyModule},
'node_modules': {
'@angular': {
'core.d.ts': dummyModule,
'core.metadata.json':
`{"__symbolic":"module", "version": 3, "metadata": {"foo": {"__symbolic": "class"}}}`,
'router': {'index.d.ts': dummyModule, 'src': {'providers.d.ts': dummyModule}},
'unused.d.ts': dummyModule,
'empty.d.ts': 'export declare var a: string;',
'empty.metadata.json': '[]',
}
},
'metadata_versions': {
'v1.d.ts': `
import {ReExport} from './lib/utils2';
export {ReExport};
export {Export} from './lib/utils2';
export declare class Bar {
ngOnInit() {}
}
export declare class BarChild extends Bar {}
`,
'v1.metadata.json':
`{"__symbolic":"module", "version": 1, "metadata": {"foo": {"__symbolic": "class"}}}`,
'v1_empty.d.ts': `
export * from './lib/utils';
`
}
}
}
};
function clone(entry: Entry): Entry {
if (typeof entry === 'string') {
return entry;
} else {
const result: Directory = {};
for (const name in entry) {
result[name] = clone(entry[name]);
}
return result;
}
}