86 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			3.4 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 {absoluteFrom, AbsoluteFsPath, FileSystem, getFileSystem, PathSegment} from '@angular/compiler-cli/src/ngtsc/file_system';
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import {runInEachFileSystem} from '../../../../src/ngtsc/file_system/testing';
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import {CleaningStrategy} from '../../../src/writing/cleaning/cleaning_strategies';
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import {PackageCleaner} from '../../../src/writing/cleaning/package_cleaner';
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runInEachFileSystem(() => {
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  describe('PackageCleaner', () => {
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    let fs: FileSystem;
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    let _: typeof absoluteFrom;
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    beforeEach(() => {
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      fs = getFileSystem();
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      _ = absoluteFrom;
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    });
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    describe('clean()', () => {
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      it('should call `canClean()` on each cleaner for each directory and file below the given one',
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         () => {
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           const log: string[] = [];
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           fs.ensureDir(_('/a/b/c'));
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           fs.writeFile(_('/a/b/d.txt'), 'd contents');
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           fs.writeFile(_('/a/b/c/e.txt'), 'e contents');
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           const a = new MockCleaningStrategy(log, 'a', false);
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           const b = new MockCleaningStrategy(log, 'b', false);
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           const c = new MockCleaningStrategy(log, 'c', false);
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           const cleaner = new PackageCleaner(fs, [a, b, c]);
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           cleaner.clean(_('/a/b'));
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           expect(log).toEqual([
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             `a:canClean('${_('/a/b/c')}', 'c')`,
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             `b:canClean('${_('/a/b/c')}', 'c')`,
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             `c:canClean('${_('/a/b/c')}', 'c')`,
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             `a:canClean('${_('/a/b/c/e.txt')}', 'e.txt')`,
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             `b:canClean('${_('/a/b/c/e.txt')}', 'e.txt')`,
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             `c:canClean('${_('/a/b/c/e.txt')}', 'e.txt')`,
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             `a:canClean('${_('/a/b/d.txt')}', 'd.txt')`,
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             `b:canClean('${_('/a/b/d.txt')}', 'd.txt')`,
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             `c:canClean('${_('/a/b/d.txt')}', 'd.txt')`,
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           ]);
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         });
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      it('should call `clean()` for the first cleaner that returns true for `canClean()`', () => {
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        const log: string[] = [];
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        fs.ensureDir(_('/a/b/c'));
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        fs.writeFile(_('/a/b/d.txt'), 'd contents');
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        fs.writeFile(_('/a/b/c/e.txt'), 'e contents');
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        const a = new MockCleaningStrategy(log, 'a', false);
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        const b = new MockCleaningStrategy(log, 'b', true);
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        const c = new MockCleaningStrategy(log, 'c', false);
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        const cleaner = new PackageCleaner(fs, [a, b, c]);
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        cleaner.clean(_('/a/b'));
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        expect(log).toEqual([
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          `a:canClean('${_('/a/b/c')}', 'c')`,
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          `b:canClean('${_('/a/b/c')}', 'c')`,
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          `b:clean('${_('/a/b/c')}', 'c')`,
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          `a:canClean('${_('/a/b/c/e.txt')}', 'e.txt')`,
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          `b:canClean('${_('/a/b/c/e.txt')}', 'e.txt')`,
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          `b:clean('${_('/a/b/c/e.txt')}', 'e.txt')`,
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          `a:canClean('${_('/a/b/d.txt')}', 'd.txt')`,
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          `b:canClean('${_('/a/b/d.txt')}', 'd.txt')`,
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          `b:clean('${_('/a/b/d.txt')}', 'd.txt')`,
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        ]);
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      });
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    });
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  });
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});
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class MockCleaningStrategy implements CleaningStrategy {
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  constructor(private log: string[], private label: string, private _canClean: boolean) {}
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  canClean(path: AbsoluteFsPath, basename: PathSegment) {
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    this.log.push(`${this.label}:canClean('${path}', '${basename}')`);
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    return this._canClean;
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  }
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  clean(path: AbsoluteFsPath, basename: PathSegment): void {
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    this.log.push(`${this.label}:clean('${path}', '${basename}')`);
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  }
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} |