311 lines
15 KiB
TypeScript
311 lines
15 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {DepGraph} from 'dependency-graph';
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import {FileSystem, absoluteFrom, getFileSystem, relativeFrom} from '../../../src/ngtsc/file_system';
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import {runInEachFileSystem} from '../../../src/ngtsc/file_system/testing';
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import {DependencyInfo} from '../../src/dependencies/dependency_host';
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import {DependencyResolver, SortedEntryPointsInfo} from '../../src/dependencies/dependency_resolver';
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import {EsmDependencyHost} from '../../src/dependencies/esm_dependency_host';
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import {ModuleResolver} from '../../src/dependencies/module_resolver';
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import {EntryPoint} from '../../src/packages/entry_point';
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import {MockLogger} from '../helpers/mock_logger';
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interface DepMap {
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[path: string]: {resolved: string[], missing: string[]};
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}
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runInEachFileSystem(() => {
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describe('DependencyResolver', () => {
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let _: typeof absoluteFrom;
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let host: EsmDependencyHost;
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let resolver: DependencyResolver;
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let fs: FileSystem;
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let moduleResolver: ModuleResolver;
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beforeEach(() => {
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_ = absoluteFrom;
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fs = getFileSystem();
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moduleResolver = new ModuleResolver(fs);
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host = new EsmDependencyHost(fs, moduleResolver);
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resolver = new DependencyResolver(fs, new MockLogger(), {esm5: host, esm2015: host});
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});
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describe('sortEntryPointsByDependency()', () => {
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let first: EntryPoint;
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let second: EntryPoint;
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let third: EntryPoint;
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let fourth: EntryPoint;
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let fifth: EntryPoint;
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let sixthIgnoreMissing: EntryPoint;
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let dependencies: DepMap;
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beforeEach(() => {
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first = {
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path: _('/first'),
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packageJson: {esm5: './index.js'},
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compiledByAngular: true,
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ignoreMissingDependencies: false,
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} as EntryPoint;
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second = {
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path: _('/second'),
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packageJson: {esm2015: './sub/index.js'},
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compiledByAngular: true,
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ignoreMissingDependencies: false,
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} as EntryPoint;
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third = {
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path: _('/third'),
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packageJson: {fesm5: './index.js'},
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compiledByAngular: true,
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ignoreMissingDependencies: false,
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} as EntryPoint;
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fourth = {
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path: _('/fourth'),
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packageJson: {fesm2015: './sub2/index.js'},
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compiledByAngular: true,
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ignoreMissingDependencies: false,
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} as EntryPoint;
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fifth = {
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path: _('/fifth'),
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packageJson: {module: './index.js'},
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compiledByAngular: true,
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ignoreMissingDependencies: false,
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} as EntryPoint;
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sixthIgnoreMissing = {
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path: _('/sixth'),
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packageJson: {module: './index.js'},
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compiledByAngular: true,
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ignoreMissingDependencies: true,
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} as EntryPoint;
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dependencies = {
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[_('/first/index.js')]:
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{resolved: [second.path, third.path, _('/ignored-1')], missing: []},
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[_('/second/sub/index.js')]: {resolved: [third.path, fifth.path], missing: []},
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[_('/third/index.js')]: {resolved: [fourth.path, _('/ignored-2')], missing: []},
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[_('/fourth/sub2/index.js')]: {resolved: [fifth.path], missing: []},
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[_('/fifth/index.js')]: {resolved: [], missing: []},
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};
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});
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it('should order the entry points by their dependency on each other', () => {
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spyOn(host, 'collectDependencies')
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.and.callFake(createFakeComputeDependencies(dependencies));
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const result = resolver.sortEntryPointsByDependency([fifth, first, fourth, second, third]);
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expect(result.entryPoints).toEqual([fifth, fourth, third, second, first]);
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});
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it('should remove entry-points that have missing direct dependencies', () => {
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spyOn(host, 'collectDependencies').and.callFake(createFakeComputeDependencies({
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[_('/first/index.js')]: {resolved: [], missing: [_('/missing')]},
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[_('/second/sub/index.js')]: {resolved: [], missing: []},
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}));
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const result = resolver.sortEntryPointsByDependency([first, second]);
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expect(result.entryPoints).toEqual([second]);
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expect(result.invalidEntryPoints).toEqual([
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{entryPoint: first, missingDependencies: [_('/missing')]},
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]);
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});
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it('should remove entry points that depended upon an invalid entry-point', () => {
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spyOn(host, 'collectDependencies').and.callFake(createFakeComputeDependencies({
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[_('/first/index.js')]: {resolved: [second.path, third.path], missing: []},
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[_('/second/sub/index.js')]: {resolved: [], missing: [_('/missing')]},
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[_('/third/index.js')]: {resolved: [], missing: []},
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}));
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// Note that we will process `first` before `second`, which has the missing dependency.
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const result = resolver.sortEntryPointsByDependency([first, second, third]);
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expect(result.entryPoints).toEqual([third]);
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expect(result.invalidEntryPoints).toEqual([
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{entryPoint: second, missingDependencies: [_('/missing')]},
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{entryPoint: first, missingDependencies: [_('/missing')]},
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]);
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});
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it('should remove entry points that will depend upon an invalid entry-point', () => {
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spyOn(host, 'collectDependencies').and.callFake(createFakeComputeDependencies({
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[_('/first/index.js')]: {resolved: [second.path, third.path], missing: []},
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[_('/second/sub/index.js')]: {resolved: [], missing: [_('/missing')]},
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[_('/third/index.js')]: {resolved: [], missing: []},
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}));
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// Note that we will process `first` after `second`, which has the missing dependency.
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const result = resolver.sortEntryPointsByDependency([second, first, third]);
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expect(result.entryPoints).toEqual([third]);
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expect(result.invalidEntryPoints).toEqual([
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{entryPoint: second, missingDependencies: [_('/missing')]},
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{entryPoint: first, missingDependencies: [second.path]},
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]);
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});
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it('should cope with entry points that will depend upon an invalid entry-point, when told to ignore missing dependencies',
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() => {
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spyOn(host, 'collectDependencies').and.callFake(createFakeComputeDependencies({
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[_('/first/index.js')]: {resolved: [sixthIgnoreMissing.path], missing: []},
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[_('/sixth/index.js')]: {resolved: [], missing: [_('/missing')]},
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}));
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// Note that we will process `first` after `second`, which has the missing dependency.
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const result = resolver.sortEntryPointsByDependency([sixthIgnoreMissing, first]);
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expect(result.entryPoints).toEqual([sixthIgnoreMissing, first]);
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expect(result.invalidEntryPoints).toEqual([]);
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});
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it('should not transitively ignore missing dependencies', () => {
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spyOn(host, 'collectDependencies').and.callFake(createFakeComputeDependencies({
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[_('/first/index.js')]: {resolved: [], missing: [_('/missing')]},
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[_('/second/sub/index.js')]: {resolved: [first.path], missing: []},
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[_('/sixth/index.js')]: {resolved: [second.path], missing: []},
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}));
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const result = resolver.sortEntryPointsByDependency([first, second, sixthIgnoreMissing]);
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// sixth has no missing dependencies, but it has _invalid_ dependencies, so it's not
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// compiled.
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expect(result.entryPoints).toEqual([]);
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});
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it('should cope with entry points having multiple indirect missing dependencies', () => {
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spyOn(host, 'collectDependencies').and.callFake(createFakeComputeDependencies({
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[_('/first/index.js')]: {resolved: [], missing: [_('/missing1')]},
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[_('/second/sub/index.js')]: {resolved: [], missing: [_('/missing2')]},
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[_('/third/index.js')]: {resolved: [first.path, second.path], missing: []},
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}));
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const result = resolver.sortEntryPointsByDependency([first, second, third]);
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expect(result.entryPoints).toEqual([]);
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expect(result.invalidEntryPoints).toEqual([
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{entryPoint: first, missingDependencies: [_('/missing1')]},
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{entryPoint: second, missingDependencies: [_('/missing2')]},
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{entryPoint: third, missingDependencies: [first.path]},
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]);
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});
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it('should error if the entry point does not have a suitable format', () => {
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expect(() => resolver.sortEntryPointsByDependency([
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{ path: '/first', packageJson: {}, compiledByAngular: true } as EntryPoint
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])).toThrowError(`There is no appropriate source code format in '/first' entry-point.`);
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});
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it('should error if there is no appropriate DependencyHost for the given formats', () => {
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resolver = new DependencyResolver(fs, new MockLogger(), {esm2015: host});
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expect(() => resolver.sortEntryPointsByDependency([first]))
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.toThrowError(
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`Could not find a suitable format for computing dependencies of entry-point: '${first.path}'.`);
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});
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it('should capture any dependencies that were ignored', () => {
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spyOn(host, 'collectDependencies')
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.and.callFake(createFakeComputeDependencies(dependencies));
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const result = resolver.sortEntryPointsByDependency([fifth, first, fourth, second, third]);
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expect(result.ignoredDependencies).toEqual([
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{entryPoint: first, dependencyPath: _('/ignored-1')},
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{entryPoint: third, dependencyPath: _('/ignored-2')},
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]);
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});
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it('should return the computed dependency graph', () => {
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spyOn(host, 'collectDependencies')
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.and.callFake(createFakeComputeDependencies(dependencies));
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const result = resolver.sortEntryPointsByDependency([fifth, first, fourth, second, third]);
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expect(result.graph).toEqual(jasmine.any(DepGraph));
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expect(result.graph.size()).toBe(5);
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expect(result.graph.dependenciesOf(third.path)).toEqual([fifth.path, fourth.path]);
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});
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it('should only return dependencies of the target, if provided', () => {
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spyOn(host, 'collectDependencies')
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.and.callFake(createFakeComputeDependencies(dependencies));
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const entryPoints = [fifth, first, fourth, second, third];
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let sorted: SortedEntryPointsInfo;
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sorted = resolver.sortEntryPointsByDependency(entryPoints, first);
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expect(sorted.entryPoints).toEqual([fifth, fourth, third, second, first]);
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sorted = resolver.sortEntryPointsByDependency(entryPoints, second);
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expect(sorted.entryPoints).toEqual([fifth, fourth, third, second]);
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sorted = resolver.sortEntryPointsByDependency(entryPoints, third);
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expect(sorted.entryPoints).toEqual([fifth, fourth, third]);
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sorted = resolver.sortEntryPointsByDependency(entryPoints, fourth);
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expect(sorted.entryPoints).toEqual([fifth, fourth]);
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sorted = resolver.sortEntryPointsByDependency(entryPoints, fifth);
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expect(sorted.entryPoints).toEqual([fifth]);
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});
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it('should not process the provided target if it has missing dependencies', () => {
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spyOn(host, 'collectDependencies').and.callFake(createFakeComputeDependencies({
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[_('/first/index.js')]: {resolved: [], missing: [_('/missing')]},
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}));
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const entryPoints = [first];
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let sorted: SortedEntryPointsInfo;
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sorted = resolver.sortEntryPointsByDependency(entryPoints, first);
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expect(sorted.entryPoints).toEqual([]);
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expect(sorted.invalidEntryPoints[0].entryPoint).toEqual(first);
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expect(sorted.invalidEntryPoints[0].missingDependencies).toEqual([_('/missing')]);
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});
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it('should not consider builtin NodeJS modules as missing dependency', () => {
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spyOn(host, 'collectDependencies').and.callFake(createFakeComputeDependencies({
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[_('/first/index.js')]: {resolved: [], missing: ['fs']},
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}));
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const entryPoints = [first];
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let sorted: SortedEntryPointsInfo;
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sorted = resolver.sortEntryPointsByDependency(entryPoints, first);
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expect(sorted.entryPoints).toEqual([first]);
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expect(sorted.invalidEntryPoints).toEqual([]);
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expect(sorted.ignoredDependencies).toEqual([]);
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});
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it('should use the appropriate DependencyHost for each entry-point', () => {
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const esm5Host = new EsmDependencyHost(fs, moduleResolver);
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const esm2015Host = new EsmDependencyHost(fs, moduleResolver);
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resolver =
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new DependencyResolver(fs, new MockLogger(), {esm5: esm5Host, esm2015: esm2015Host});
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spyOn(esm5Host, 'collectDependencies')
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.and.callFake(createFakeComputeDependencies(dependencies));
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spyOn(esm2015Host, 'collectDependencies')
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.and.callFake(createFakeComputeDependencies(dependencies));
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const result = resolver.sortEntryPointsByDependency([fifth, first, fourth, second, third]);
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expect(result.entryPoints).toEqual([fifth, fourth, third, second, first]);
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expect(esm5Host.collectDependencies)
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.toHaveBeenCalledWith(fs.resolve(first.path, 'index.js'), jasmine.any(Object));
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expect(esm5Host.collectDependencies)
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.not.toHaveBeenCalledWith(fs.resolve(second.path, 'sub/index.js'), jasmine.any(Object));
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expect(esm5Host.collectDependencies)
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.toHaveBeenCalledWith(fs.resolve(third.path, 'index.js'), jasmine.any(Object));
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expect(esm5Host.collectDependencies)
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.not.toHaveBeenCalledWith(
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fs.resolve(fourth.path, 'sub2/index.js'), jasmine.any(Object));
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expect(esm5Host.collectDependencies)
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.toHaveBeenCalledWith(fs.resolve(fifth.path, 'index.js'), jasmine.any(Object));
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expect(esm2015Host.collectDependencies)
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.not.toHaveBeenCalledWith(fs.resolve(first.path, 'index.js'), jasmine.any(Object));
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expect(esm2015Host.collectDependencies)
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.toHaveBeenCalledWith(fs.resolve(second.path, 'sub/index.js'), jasmine.any(Object));
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expect(esm2015Host.collectDependencies)
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.not.toHaveBeenCalledWith(fs.resolve(third.path, 'index.js'), jasmine.any(Object));
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expect(esm2015Host.collectDependencies)
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.toHaveBeenCalledWith(fs.resolve(fourth.path, 'sub2/index.js'), jasmine.any(Object));
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expect(esm2015Host.collectDependencies)
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.not.toHaveBeenCalledWith(fs.resolve(fifth.path, 'index.js'), jasmine.any(Object));
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});
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function createFakeComputeDependencies(deps: DepMap) {
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return (entryPointPath: string, {dependencies, missing, deepImports}: DependencyInfo) => {
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deps[entryPointPath].resolved.forEach(dep => dependencies.add(absoluteFrom(dep)));
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deps[entryPointPath].missing.forEach(
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dep => missing.add(fs.isRooted(dep) ? absoluteFrom(dep) : relativeFrom(dep)));
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return {dependencies, missing, deepImports};
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};
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}
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});
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});
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});
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