88 lines
3.6 KiB
TypeScript
88 lines
3.6 KiB
TypeScript
let mockfs = require('mock-fs');
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import fs = require('fs');
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import {TreeDiffer, DiffResult} from './tree-differ';
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import {MergeTrees} from './broccoli-merge-trees';
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describe('MergeTrees', () => {
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afterEach(() => mockfs.restore());
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function mergeTrees(inputPaths: string[], cachePath: string, options: {}) {
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return new MergeTrees(inputPaths, cachePath, options);
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}
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function MakeTreeDiffers(rootDirs: string[]): TreeDiffer[] {
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return rootDirs.map((rootDir) => new TreeDiffer('MergeTrees', rootDir));
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}
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let diffTrees = (differs: TreeDiffer[]): DiffResult[] => differs.map(tree => tree.diffTree());
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function read(path: string) { return fs.readFileSync(path, "utf-8"); }
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it('should copy the file from the right-most inputTree with overwrite=true', () => {
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let testDir: any = {
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'tree1': {'foo.js': mockfs.file({content: 'tree1/foo.js content', mtime: new Date(1000)})},
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'tree2': {'foo.js': mockfs.file({content: 'tree2/foo.js content', mtime: new Date(1000)})},
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'tree3': {'foo.js': mockfs.file({content: 'tree3/foo.js content', mtime: new Date(1000)})}
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};
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mockfs(testDir);
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let treeDiffer = MakeTreeDiffers(['tree1', 'tree2', 'tree3']);
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let treeMerger = mergeTrees(['tree1', 'tree2', 'tree3'], 'dest', {overwrite: true});
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treeMerger.rebuild(diffTrees(treeDiffer));
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expect(read('dest/foo.js')).toBe('tree3/foo.js content');
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delete testDir.tree2['foo.js'];
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delete testDir.tree3['foo.js'];
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mockfs(testDir);
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treeMerger.rebuild(diffTrees(treeDiffer));
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expect(read('dest/foo.js')).toBe('tree1/foo.js content');
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testDir.tree2['foo.js'] = mockfs.file({content: 'tree2/foo.js content', mtime: new Date(1000)});
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mockfs(testDir);
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treeMerger.rebuild(diffTrees(treeDiffer));
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expect(read('dest/foo.js')).toBe('tree2/foo.js content');
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});
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it('should throw if duplicates are found during the initial build', () => {
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let testDir: any = {
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'tree1': {'foo.js': mockfs.file({content: 'tree1/foo.js content', mtime: new Date(1000)})},
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'tree2': {'foo.js': mockfs.file({content: 'tree2/foo.js content', mtime: new Date(1000)})},
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'tree3': {'foo.js': mockfs.file({content: 'tree3/foo.js content', mtime: new Date(1000)})}
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};
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mockfs(testDir);
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let treeDiffer = MakeTreeDiffers(['tree1', 'tree2', 'tree3']);
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let treeMerger = mergeTrees(['tree1', 'tree2', 'tree3'], 'dest', {});
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expect(() => treeMerger.rebuild(diffTrees(treeDiffer)))
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.toThrowError(
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'Duplicate path found while merging trees. Path: "foo.js".\n' +
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'Either remove the duplicate or enable the "overwrite" option for this merge.');
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testDir = {
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'tree1': {'foo.js': mockfs.file({content: 'tree1/foo.js content', mtime: new Date(1000)})},
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'tree2': {},
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'tree3': {}
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};
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mockfs(testDir);
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});
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it('should throw if duplicates are found during rebuild', () => {
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let testDir: any = {
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'tree1': {'foo.js': mockfs.file({content: 'tree1/foo.js content', mtime: new Date(1000)})},
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'tree2': {},
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'tree3': {}
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};
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mockfs(testDir);
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let treeDiffer = MakeTreeDiffers(['tree1', 'tree2', 'tree3']);
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let treeMerger = mergeTrees(['tree1', 'tree2', 'tree3'], 'dest', {});
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expect(() => treeMerger.rebuild(diffTrees(treeDiffer))).not.toThrow();
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testDir.tree2['foo.js'] = mockfs.file({content: 'tree2/foo.js content', mtime: new Date(1000)});
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mockfs(testDir);
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expect(() => treeMerger.rebuild(diffTrees(treeDiffer)))
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.toThrowError(
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'Duplicate path found while merging trees. Path: "foo.js".\n' +
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'Either remove the duplicate or enable the "overwrite" option for this merge.');
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});
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});
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