angular-cn/packages/compiler/test/aot/summary_resolver_spec.ts

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/**
* @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 {AotSummaryResolver, AotSummaryResolverHost, CompileSummaryKind, CompileTypeSummary, ResolvedStaticSymbol, StaticSymbol, StaticSymbolCache, StaticSymbolResolver} from '@angular/compiler';
import {deserializeSummaries, serializeSummaries} from '@angular/compiler/src/aot/summary_serializer';
import {ConstantPool} from '@angular/compiler/src/constant_pool';
import * as o from '@angular/compiler/src/output/output_ast';
import {OutputContext} from '@angular/compiler/src/util';
import * as path from 'path';
import {MockStaticSymbolResolverHost, MockSummaryResolver} from './static_symbol_resolver_spec';
const EXT = /(\.d)?\.ts$/;
{
describe('AotSummaryResolver', () => {
let summaryResolver: AotSummaryResolver;
let symbolCache: StaticSymbolCache;
let host: MockAotSummaryResolverHost;
beforeEach(() => {
symbolCache = new StaticSymbolCache();
});
function init(summaries: {[filePath: string]: string} = {}) {
host = new MockAotSummaryResolverHost(summaries);
summaryResolver = new AotSummaryResolver(host, symbolCache);
}
function serialize(
symbols: ResolvedStaticSymbol[], enableExternalSymbolReexports = false): string {
// Note: Don't use the top level host / summaryResolver as they might not be created yet
const mockSummaryResolver = new MockSummaryResolver([]);
const symbolResolver = new StaticSymbolResolver(
new MockStaticSymbolResolverHost({}), symbolCache, mockSummaryResolver);
return serializeSummaries(
'someFile.ts', createMockOutputContext(), mockSummaryResolver, symbolResolver,
symbols, [], enableExternalSymbolReexports)
.json;
}
it('should load serialized summary files', () => {
const asymbol = symbolCache.get('/a.d.ts', 'a');
init({'/a.ngsummary.json': serialize([{symbol: asymbol, metadata: 1}])});
expect(summaryResolver.resolveSummary(asymbol)).toEqual({symbol: asymbol, metadata: 1});
});
it('should not load summaries for source files', () => {
init({});
spyOn(host, 'loadSummary').and.callThrough();
expect(summaryResolver.resolveSummary(symbolCache.get('/a.ts', 'a'))).toBeFalsy();
expect(host.loadSummary).not.toHaveBeenCalled();
});
it('should cache summaries', () => {
const asymbol = symbolCache.get('/a.d.ts', 'a');
init({'/a.ngsummary.json': serialize([{symbol: asymbol, metadata: 1}])});
expect(summaryResolver.resolveSummary(asymbol)).toBe(summaryResolver.resolveSummary(asymbol));
});
it('should return all symbols in a summary', () => {
const asymbol = symbolCache.get('/a.d.ts', 'a');
init({'/a.ngsummary.json': serialize([{symbol: asymbol, metadata: 1}])});
expect(summaryResolver.getSymbolsOf('/a.d.ts')).toEqual([asymbol]);
});
it('should fill importAs for deep symbols if external symbol re-exports are enabled', () => {
const libSymbol = symbolCache.get('/lib.d.ts', 'Lib');
const srcSymbol = symbolCache.get('/src.ts', 'Src');
init({
'/src.ngsummary.json':
serialize([{symbol: srcSymbol, metadata: 1}, {symbol: libSymbol, metadata: 2}], true)
});
summaryResolver.getSymbolsOf('/src.d.ts');
expect(summaryResolver.getImportAs(symbolCache.get('/src.d.ts', 'Src'))).toBeFalsy();
expect(summaryResolver.getImportAs(libSymbol))
.toBe(symbolCache.get('/src.ngfactory.d.ts', 'Lib_1'));
});
describe('isLibraryFile', () => {
it('should use host.isSourceFile to calculate the result', () => {
init();
expect(summaryResolver.isLibraryFile('someFile.ts')).toBe(false);
expect(summaryResolver.isLibraryFile('someFile.d.ts')).toBe(true);
});
it('should calculate the result for generated files based on the result for non generated files',
() => {
init();
spyOn(host, 'isSourceFile').and.callThrough();
expect(summaryResolver.isLibraryFile('someFile.ngfactory.ts')).toBe(false);
expect(host.isSourceFile).toHaveBeenCalledWith('someFile.ts');
});
});
describe('regression', () => {
// #18170
it('should support resolving symbol with members ', () => {
init();
expect(summaryResolver.resolveSummary(symbolCache.get('/src.d.ts', 'Src', ['One', 'Two'])))
.toBeNull();
});
});
});
}
export class MockAotSummaryResolverHost implements AotSummaryResolverHost {
constructor(private summaries: {[fileName: string]: string}) {}
fileNameToModuleName(fileName: string): string {
return './' + path.basename(fileName).replace(EXT, '');
}
toSummaryFileName(sourceFileName: string): string {
return sourceFileName.replace(EXT, '') + '.d.ts';
}
fromSummaryFileName(filePath: string): string {
return filePath;
}
isSourceFile(filePath: string) {
return !filePath.endsWith('.d.ts');
}
loadSummary(filePath: string): string {
return this.summaries[filePath];
}
}
export function createMockOutputContext(): OutputContext {
return {
statements: [],
genFilePath: 'someGenFilePath',
importExpr: () => o.NULL_EXPR,
constantPool: new ConstantPool()
};
}