379 lines
13 KiB
TypeScript
379 lines
13 KiB
TypeScript
/// <reference path="../typings/node/node.d.ts" />
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/// <reference path="../typings/jasmine/jasmine.d.ts" />
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let mockfs = require('mock-fs');
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import fs = require('fs');
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import path = require('path');
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import {TreeDiffer} from './tree-differ';
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describe('TreeDiffer', () => {
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afterEach(() => mockfs.restore());
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describe('diff of added and changed files', () => {
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it('should list all files (but no directories) during the first diff', () => {
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let testDir = {
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'dir1': {
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'file-1.txt': mockfs.file({content: 'file-1.txt content', mtime: new Date(1000)}),
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'file-2.txt': mockfs.file({content: 'file-2.txt content', mtime: new Date(1000)}),
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'subdir-1': {
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'file-1.1.txt': mockfs.file({content: 'file-1.1.txt content', mtime: new Date(1000)})
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},
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'empty-dir': {}
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}
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};
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mockfs(testDir);
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let differ = new TreeDiffer('testLabel', 'dir1');
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let diffResult = differ.diffTree();
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expect(diffResult.addedPaths)
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.toEqual(['file-1.txt', 'file-2.txt', 'subdir-1' + path.sep + 'file-1.1.txt']);
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expect(diffResult.changedPaths).toEqual([]);
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expect(diffResult.removedPaths).toEqual([]);
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});
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it('should return empty diff if nothing has changed', () => {
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let testDir = {
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'dir1': {
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'file-1.txt': mockfs.file({content: 'file-1.txt content', mtime: new Date(1000)}),
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'file-2.txt': mockfs.file({content: 'file-2.txt content', mtime: new Date(1000)}),
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'subdir-1': {
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'file-1.1.txt': mockfs.file({content: 'file-1.1.txt content', mtime: new Date(1000)})
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},
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}
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};
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mockfs(testDir);
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let differ = new TreeDiffer('testLabel', 'dir1');
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let diffResult = differ.diffTree();
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expect(diffResult.addedPaths).not.toEqual([]);
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expect(diffResult.changedPaths).toEqual([]);
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expect(diffResult.removedPaths).toEqual([]);
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diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual([]);
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expect(diffResult.changedPaths).toEqual([]);
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expect(diffResult.removedPaths).toEqual([]);
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});
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it('should list only changed files during the subsequent diffs', () => {
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let testDir = {
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'dir1': {
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'file-1.txt': mockfs.file({content: 'file-1.txt content', mtime: new Date(1000)}),
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'file-2.txt': mockfs.file({content: 'file-2.txt content', mtime: new Date(1000)}),
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'subdir-1': {
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'file-1.1.txt':
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mockfs.file({content: 'file-1.1.txt content', mtime: new Date(1000)})
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}
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}
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};
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mockfs(testDir);
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let differ = new TreeDiffer('testLabel', 'dir1');
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let diffResult = differ.diffTree();
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expect(diffResult.addedPaths)
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.toEqual(['file-1.txt', 'file-2.txt', 'subdir-1' + path.sep + 'file-1.1.txt']);
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// change two files
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testDir['dir1']['file-1.txt'] = mockfs.file({content: 'new content', mtime: new Date(1000)});
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testDir['dir1']['subdir-1']['file-1.1.txt'] =
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mockfs.file({content: 'file-1.1.txt content', mtime: new Date(9999)});
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.changedPaths)
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.toEqual(['file-1.txt', 'subdir-1' + path.sep + 'file-1.1.txt']);
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expect(diffResult.removedPaths).toEqual([]);
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// change one file
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testDir['dir1']['file-1.txt'] = mockfs.file({content: 'super new', mtime: new Date(1000)});
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.changedPaths).toEqual(['file-1.txt']);
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});
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it('should handle changes via symbolic links', () => {
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let testDir = {
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'orig_path': {
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'file-1.txt': mockfs.file({content: 'file-1.txt content', mtime: new Date(1000)}),
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'file-2.txt': mockfs.file({content: 'file-2.txt content', mtime: new Date(1000)}),
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'subdir-1': {
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'file-1.1.txt': mockfs.file({content: 'file-1.1.txt content', mtime: new Date(1000)})
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}
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},
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'symlinks': {
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'file-1.txt': mockfs.symlink({path: '../orig_path/file-1.txt'}),
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'file-2.txt': mockfs.symlink({path: '../orig_path/file-2.txt'}),
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'subdir-1':
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{'file-1.1.txt': mockfs.symlink({path: '../../orig_path/subdir-1/file-1.1.txt'})}
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}
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};
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mockfs(testDir);
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let differ = new TreeDiffer('testLabel', 'symlinks');
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let diffResult = differ.diffTree();
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expect(diffResult.addedPaths)
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.toEqual(['file-1.txt', 'file-2.txt', 'subdir-1' + path.sep + 'file-1.1.txt']);
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// change two files
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testDir['orig_path']['file-1.txt'] =
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mockfs.file({content: 'new content', mtime: new Date(1000)});
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testDir['orig_path']['subdir-1']['file-1.1.txt'] =
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mockfs.file({content: 'file-1.1.txt content', mtime: new Date(9999)});
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual([]);
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expect(diffResult.changedPaths)
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.toEqual(['file-1.txt', 'subdir-1' + path.sep + 'file-1.1.txt']);
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expect(diffResult.removedPaths).toEqual([]);
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// change one file
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testDir['orig_path']['file-1.txt'] =
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mockfs.file({content: 'super new', mtime: new Date(1000)});
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.changedPaths).toEqual(['file-1.txt']);
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// remove a link
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delete testDir['orig_path']['file-1.txt'];
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual([]);
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expect(diffResult.changedPaths).toEqual([]);
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expect(diffResult.removedPaths).toEqual(['file-1.txt']);
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// don't report it as a removal twice
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.changedPaths).toEqual([]);
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expect(diffResult.removedPaths).toEqual([]);
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// re-add it.
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testDir['orig_path']['file-1.txt'] =
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mockfs.file({content: 'super new', mtime: new Date(1000)});
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual(['file-1.txt']);
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expect(diffResult.changedPaths).toEqual([]);
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expect(diffResult.removedPaths).toEqual([]);
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});
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it("should throw an error if an extension isn't prefixed with doc", () => {
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// includeExtensions
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expect(() => new TreeDiffer('testLabel', 'dir1', ['js']))
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.toThrowError("Extension must begin with '.'. Was: 'js'");
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// excludeExtentions
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expect(() => new TreeDiffer('testLabel', 'dir1', [], ['js']))
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.toThrowError("Extension must begin with '.'. Was: 'js'");
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});
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it('should ignore files with extensions not listed in includeExtensions', () => {
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let testDir = {
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'dir1': {
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'file-1.js': mockfs.file({content: 'file-1.js content', mtime: new Date(1000)}),
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'file-2.md': mockfs.file({content: 'file-2.md content', mtime: new Date(1000)}),
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'file-3.coffee': mockfs.file({content: 'file-3.coffee content', mtime: new Date(1000)}),
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'subdir-1': {
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'file-1.1.cc': mockfs.file({content: 'file-1.1.cc content', mtime: new Date(1000)})
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}
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}
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};
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mockfs(testDir);
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let differ = new TreeDiffer('testLabel', 'dir1', ['.js', '.coffee']);
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let diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual(['file-1.js', 'file-3.coffee']);
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expect(diffResult.changedPaths).toEqual([]);
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expect(diffResult.removedPaths).toEqual([]);
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// change two files
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testDir['dir1']['file-1.js'] = mockfs.file({content: 'new content', mtime: new Date(1000)});
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testDir['dir1']['file-3.coffee'] =
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mockfs.file({content: 'new content', mtime: new Date(1000)});
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testDir['dir1']['subdir-1']['file-1.1.cc'] =
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mockfs.file({content: 'file-1.1.cc content', mtime: new Date(9999)});
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual([]);
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expect(diffResult.changedPaths).toEqual(['file-1.js', 'file-3.coffee']);
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expect(diffResult.removedPaths).toEqual([]);
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// change one file
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testDir['dir1']['file-1.js'] = mockfs.file({content: 'super new', mtime: new Date(1000)});
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.changedPaths).toEqual(['file-1.js']);
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});
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it('should ignore files with extensions listed in excludeExtensions', () => {
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let testDir = {
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'dir1': {
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'file-1.ts': mockfs.file({content: 'file-1.ts content', mtime: new Date(1000)}),
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'file-1.cs': mockfs.file({content: 'file-1.cs content', mtime: new Date(1000)}),
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'file-1d.cs': mockfs.file({content: 'file-1d.cs content', mtime: new Date(1000)}),
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'file-1.d.cs': mockfs.file({content: 'file-1.d.cs content', mtime: new Date(1000)}),
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'file-2.md': mockfs.file({content: 'file-2.md content', mtime: new Date(1000)}),
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'file-3.ts': mockfs.file({content: 'file-3.ts content', mtime: new Date(1000)}),
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'file-4.d.ts': mockfs.file({content: 'file-4.d.ts content', mtime: new Date(1000)}),
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'subdir-1': {
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'file-1.1.cc': mockfs.file({content: 'file-1.1.cc content', mtime: new Date(1000)})
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}
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}
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};
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mockfs(testDir);
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let differ = new TreeDiffer('testLabel', 'dir1', ['.ts', '.cs'], ['.d.ts', '.d.cs']);
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let diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual(['file-1.cs', 'file-1.ts', 'file-1d.cs', 'file-3.ts']);
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// change two files
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testDir['dir1']['file-1.ts'] = mockfs.file({content: 'new content', mtime: new Date(1000)});
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testDir['dir1']['file-1.cs'] = mockfs.file({content: 'new content', mtime: new Date(1000)});
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testDir['dir1']['file-1.d.cs'] = mockfs.file({content: 'new content', mtime: new Date(1000)});
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testDir['dir1']['file-3.ts'] = mockfs.file({content: 'new content', mtime: new Date(1000)});
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testDir['dir1']['file-4.d.ts'] = mockfs.file({content: 'new content', mtime: new Date(1000)});
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testDir['dir1']['subdir-1']['file-1.1.cc'] =
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mockfs.file({content: 'file-1.1.cc content', mtime: new Date(9999)});
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual([]);
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expect(diffResult.changedPaths).toEqual(['file-1.cs', 'file-1.ts', 'file-3.ts']);
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expect(diffResult.removedPaths).toEqual([]);
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// change one file
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testDir['dir1']['file-4.d.ts'] = mockfs.file({content: 'super new', mtime: new Date(1000)});
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mockfs(testDir);
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diffResult = differ.diffTree();
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expect(diffResult.changedPaths).toEqual([]);
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});
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});
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describe('diff of new files', () => {
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it('should detect file additions', () => {
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let testDir = {
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'dir1':
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{'file-1.txt': mockfs.file({content: 'file-1.txt content', mtime: new Date(1000)})}
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};
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mockfs(testDir);
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let differ = new TreeDiffer('testLabel', 'dir1');
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differ.diffTree();
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testDir['dir1']['file-2.txt'] = 'new file';
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mockfs(testDir);
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let diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual(['file-2.txt']);
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expect(diffResult.changedPaths).toEqual([]);
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expect(diffResult.removedPaths).toEqual([]);
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});
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it('should detect file additions mixed with file changes', () => {
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let testDir = {
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'dir1':
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{'file-1.txt': mockfs.file({content: 'file-1.txt content', mtime: new Date(1000)})}
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};
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mockfs(testDir);
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let differ = new TreeDiffer('testLabel', 'dir1');
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differ.diffTree();
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testDir['dir1']['file-1.txt'] = 'new content';
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testDir['dir1']['file-2.txt'] = 'new file';
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mockfs(testDir);
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let diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual(['file-2.txt']);
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expect(diffResult.changedPaths).toEqual(['file-1.txt']);
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});
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});
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describe('diff of removed files', () => {
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it('should detect file removals and report them as removed files', () => {
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let testDir = {
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'dir1':
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{'file-1.txt': mockfs.file({content: 'file-1.txt content', mtime: new Date(1000)})}
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};
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mockfs(testDir);
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let differ = new TreeDiffer('testLabel', 'dir1');
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differ.diffTree();
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delete testDir['dir1']['file-1.txt'];
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mockfs(testDir);
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let diffResult = differ.diffTree();
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expect(diffResult.changedPaths).toEqual([]);
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expect(diffResult.removedPaths).toEqual(['file-1.txt']);
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});
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it('should detect file removals mixed with file changes and additions', () => {
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let testDir = {
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'dir1': {
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'file-1.txt': mockfs.file({content: 'file-1.txt content', mtime: new Date(1000)}),
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'file-2.txt': mockfs.file({content: 'file-1.txt content', mtime: new Date(1000)})
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}
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};
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mockfs(testDir);
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let differ = new TreeDiffer('testLabel', 'dir1');
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differ.diffTree();
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testDir['dir1']['file-1.txt'] = 'changed content';
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delete testDir['dir1']['file-2.txt'];
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testDir['dir1']['file-3.txt'] = 'new content';
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mockfs(testDir);
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let diffResult = differ.diffTree();
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expect(diffResult.addedPaths).toEqual(['file-3.txt']);
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expect(diffResult.changedPaths).toEqual(['file-1.txt']);
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expect(diffResult.removedPaths).toEqual(['file-2.txt']);
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});
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});
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});
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