Joey Perrott d1ea1f4c7f build: update license headers to reference Google LLC ()
Update the license headers throughout the repository to reference Google LLC
rather than Google Inc, for the required license headers.

PR Close 
2020-05-26 14:26:58 -04:00

179 lines
6.0 KiB
TypeScript

/**
* @license
* Copyright Google LLC 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 * as ts from 'typescript';
import {METADATA_VERSION, MetadataCollector, ModuleMetadata} from '../../src/metadata';
import {MetadataReaderHost, readMetadata} from '../../src/transformers/metadata_reader';
import {Directory, Entry, MockAotContext} from '../mocks';
describe('metadata reader', () => {
let host: MetadataReaderHost;
beforeEach(() => {
const context = new MockAotContext('/tmp/src', clone(FILES));
const metadataCollector = new MetadataCollector();
host = {
fileExists: (fileName) => context.fileExists(fileName),
readFile: (fileName) => context.readFile(fileName),
getSourceFileMetadata: (fileName) => {
const sourceText = context.readFile(fileName);
return sourceText != null ? metadataCollector.getMetadata(ts.createSourceFile(
fileName, sourceText, ts.ScriptTarget.Latest)) :
undefined;
},
};
});
it('should be able to read a metadata file', () => {
expect(readMetadata('node_modules/@angular/core.d.ts', host)).toEqual([
{__symbolic: 'module', version: METADATA_VERSION, metadata: {foo: {__symbolic: 'class'}}}
]);
});
it('should be able to read metadata from an otherwise unused .d.ts file ', () => {
expect(readMetadata('node_modules/@angular/unused.d.ts', host)).toEqual([dummyMetadata]);
});
it('should be able to read empty metadata ', () => {
expect(readMetadata('node_modules/@angular/empty.d.ts', host)).toEqual([]);
});
it('should return undefined for missing modules', () => {
expect(readMetadata('node_modules/@angular/missing.d.ts', host)).toBeUndefined();
});
it(`should add missing v${METADATA_VERSION} metadata from v1 metadata and .d.ts files`, () => {
expect(readMetadata('metadata_versions/v1.d.ts', host)).toEqual([
{__symbolic: 'module', version: 1, metadata: {foo: {__symbolic: 'class'}}}, {
__symbolic: 'module',
version: METADATA_VERSION,
metadata: {
foo: {__symbolic: 'class'},
aType: {__symbolic: 'interface'},
Bar: {__symbolic: 'class', members: {ngOnInit: [{__symbolic: 'method'}]}},
BarChild: {__symbolic: 'class', extends: {__symbolic: 'reference', name: 'Bar'}},
ReExport: {__symbolic: 'reference', module: './lib/utils2', name: 'ReExport'},
},
exports: [{from: './lib/utils2', export: ['Export']}],
}
]);
});
it(`should upgrade a missing metadata file into v${METADATA_VERSION}`, () => {
expect(readMetadata('metadata_versions/v1_empty.d.ts', host)).toEqual([{
__symbolic: 'module',
version: METADATA_VERSION,
metadata: {},
exports: [{from: './lib/utils'}]
}]);
});
it(`should upgrade v3 metadata into v${METADATA_VERSION}`, () => {
expect(readMetadata('metadata_versions/v3.d.ts', host)).toEqual([
{__symbolic: 'module', version: 3, metadata: {foo: {__symbolic: 'class'}}}, {
__symbolic: 'module',
version: METADATA_VERSION,
metadata: {
foo: {__symbolic: 'class'},
aType: {__symbolic: 'interface'},
Bar: {__symbolic: 'class', members: {ngOnInit: [{__symbolic: 'method'}]}},
BarChild: {__symbolic: 'class', extends: {__symbolic: 'reference', name: 'Bar'}},
ReExport: {__symbolic: 'reference', module: './lib/utils2', name: 'ReExport'},
}
// Note: exports is missing because it was elided in the original.
}
]);
});
});
const dummyModule = 'export let foo: any[];';
const dummyMetadata: ModuleMetadata = {
__symbolic: 'module',
version: METADATA_VERSION,
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": ${
METADATA_VERSION}, "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 type aType = number;
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';
`,
'v3.d.ts': `
import {ReExport} from './lib/utils2';
export {ReExport};
export {Export} from './lib/utils2';
export type aType = number;
export declare class Bar {
ngOnInit() {}
}
export declare class BarChild extends Bar {}
`,
'v3.metadata.json':
`{"__symbolic":"module", "version": 3, "metadata": {"foo": {"__symbolic": "class"}}}`,
}
}
}
};
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;
}
}