255 lines
9.5 KiB
JavaScript
255 lines
9.5 KiB
JavaScript
'use strict';
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const fs = require('fs-extra');
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const path = require('canonical-path');
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const shelljs = require('shelljs');
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const NgPackagesInstaller = require('./index');
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describe('NgPackagesInstaller', () => {
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const rootDir = 'root/dir';
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const absoluteRootDir = path.resolve(rootDir);
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const nodeModulesDir = path.resolve(absoluteRootDir, 'node_modules');
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const packageJsonPath = path.resolve(absoluteRootDir, 'package.json');
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const packagesDir = path.resolve(path.resolve(__dirname, '../../../dist/packages-dist'));
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let installer;
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beforeEach(() => {
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spyOn(fs, 'existsSync');
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spyOn(fs, 'readFileSync');
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spyOn(fs, 'writeFileSync');
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spyOn(shelljs, 'exec');
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spyOn(shelljs, 'rm');
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spyOn(console, 'log');
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spyOn(console, 'warn');
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installer = new NgPackagesInstaller(rootDir);
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});
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describe('checkDependencies()', () => {
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beforeEach(() => {
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spyOn(installer, '_printWarning');
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});
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it('should not print a warning if there is no _local_.json file', () => {
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fs.existsSync.and.returnValue(false);
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installer.checkDependencies();
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expect(fs.existsSync).toHaveBeenCalledWith(path.resolve(rootDir, 'node_modules/_local_.json'));
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expect(installer._printWarning).not.toHaveBeenCalled();
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});
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it('should print a warning if there is a _local_.json file', () => {
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fs.existsSync.and.returnValue(true);
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installer.checkDependencies();
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expect(fs.existsSync).toHaveBeenCalledWith(path.resolve(rootDir, 'node_modules/_local_.json'));
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expect(installer._printWarning).toHaveBeenCalled();
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});
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});
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describe('installLocalDependencies()', () => {
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let dummyNgPackages, dummyPackage, dummyPackageJson, expectedModifiedPackage, expectedModifiedPackageJson;
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beforeEach(() => {
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spyOn(installer, '_checkLocalMarker');
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// These are the packages that are "found" in the dist directory
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dummyNgPackages = {
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'@angular/core': { peerDependencies: { rxjs: '5.0.1' } },
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'@angular/common': { peerDependencies: { '@angular/core': '4.4.1' } },
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'@angular/compiler': { },
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'@angular/compiler-cli': { peerDependencies: { typescript: '^2.4.2', '@angular/compiler': '4.3.2' } }
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};
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spyOn(installer, '_getDistPackages').and.returnValue(dummyNgPackages);
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// This is the package.json in the "test" folder
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dummyPackage = {
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dependencies: {
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'@angular/core': '4.4.1',
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'@angular/common': '4.4.1'
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},
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devDependencies: {
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'@angular/compiler-cli': '4.4.1'
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}
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};
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dummyPackageJson = JSON.stringify(dummyPackage);
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fs.readFileSync.and.returnValue(dummyPackageJson);
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// This is the package.json that is temporarily written to the "test" folder
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// Note that the Angular (dev)dependencies have been modified to use a "file:" path
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// And that the peerDependencies from `dummyNgPackages` have been added as (dev)dependencies.
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expectedModifiedPackage = {
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dependencies: {
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'@angular/core': `file:${packagesDir}/core`,
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'@angular/common': `file:${packagesDir}/common`
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},
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devDependencies: {
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'@angular/compiler-cli': `file:${packagesDir}/compiler-cli`,
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rxjs: '5.0.1',
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typescript: '^2.4.2'
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},
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__angular: { local: true }
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};
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expectedModifiedPackageJson = JSON.stringify(expectedModifiedPackage, null, 2);
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});
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describe('when there is a local package marker', () => {
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it('should not continue processing', () => {
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installer._checkLocalMarker.and.returnValue(true);
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installer.installLocalDependencies();
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expect(installer._checkLocalMarker).toHaveBeenCalled();
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expect(installer._getDistPackages).not.toHaveBeenCalled();
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});
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});
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describe('when there is no local package marker', () => {
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let log;
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beforeEach(() => {
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log = [];
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fs.writeFileSync.and.callFake((filePath, contents) => filePath === packageJsonPath && log.push(`writeFile: ${contents}`));
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spyOn(installer, '_installDeps').and.callFake(() => log.push('installDeps:'));
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spyOn(installer, '_setLocalMarker');
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installer._checkLocalMarker.and.returnValue(false);
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installer.installLocalDependencies();
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});
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it('should get the dist packages', () => {
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expect(installer._checkLocalMarker).toHaveBeenCalled();
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expect(installer._getDistPackages).toHaveBeenCalled();
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});
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it('should load the package.json', () => {
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expect(fs.readFileSync).toHaveBeenCalledWith(packageJsonPath);
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});
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it('should overwrite package.json with modified config', () => {
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expect(fs.writeFileSync).toHaveBeenCalledWith(packageJsonPath, expectedModifiedPackageJson);
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});
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it('should restore original package.json', () => {
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expect(fs.writeFileSync).toHaveBeenCalledWith(packageJsonPath, dummyPackageJson);
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});
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it('should overwrite package.json, then install deps, then restore original package.json', () => {
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expect(log).toEqual([
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`writeFile: ${expectedModifiedPackageJson}`,
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`installDeps:`,
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`writeFile: ${dummyPackageJson}`
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]);
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});
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it('should set the local marker file with the contents of the modified package.json', () => {
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expect(installer._setLocalMarker).toHaveBeenCalledWith(expectedModifiedPackageJson);
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});
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});
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});
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describe('restoreNpmDependencies()', () => {
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it('should run `yarn install --check-files` in the specified directory', () => {
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spyOn(installer, '_installDeps');
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installer.restoreNpmDependencies();
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expect(installer._installDeps).toHaveBeenCalledWith('--check-files');
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});
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});
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describe('_getDistPackages', () => {
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it('should include top level Angular packages', () => {
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const ngPackages = installer._getDistPackages();
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// For example...
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expect(ngPackages['@angular/common']).toBeDefined();
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expect(ngPackages['@angular/core']).toBeDefined();
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expect(ngPackages['@angular/router']).toBeDefined();
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expect(ngPackages['@angular/upgrade']).toBeDefined();
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expect(ngPackages['@angular/upgrade/static']).not.toBeDefined();
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it('should not include packages that have been ignored', () => {
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installer = new NgPackagesInstaller(rootDir, { ignorePackages: ['@angular/router'] });
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const ngPackages = installer._getDistPackages();
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expect(ngPackages['@angular/common']).toBeDefined();
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expect(ngPackages['@angular/router']).toBeUndefined();
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});
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});
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});
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describe('_log()', () => {
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beforeEach(() => {
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spyOn(console, 'info');
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});
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it('should assign the debug property from the options', () => {
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installer = new NgPackagesInstaller(rootDir, { debug: true });
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expect(installer.debug).toBe(true);
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installer = new NgPackagesInstaller(rootDir, { });
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expect(installer.debug).toBe(undefined);
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});
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it('should log a message to the console if the `debug` property is true', () => {
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installer._log('foo');
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expect(console.info).not.toHaveBeenCalled();
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installer.debug = true;
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installer._log('bar');
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expect(console.info).toHaveBeenCalledWith(' [NgPackagesInstaller]: bar');
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});
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});
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describe('_printWarning', () => {
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it('should mention the message passed in the warning', () => {
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installer._printWarning();
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expect(console.warn.calls.argsFor(0)[0]).toContain('is running against the local Angular build');
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});
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it('should mention the command to restore the Angular packages in any warning', () => {
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// When run for the current working directory...
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const dir1 = '.';
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const restoreCmdRe1 = RegExp('\\bnode .*?ng-packages-installer/index restore ' + path.resolve(dir1));
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installer = new NgPackagesInstaller(dir1);
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installer._printWarning('');
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expect(console.warn.calls.argsFor(0)[0]).toMatch(restoreCmdRe1);
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// When run for a different directory...
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const dir2 = rootDir;
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const restoreCmdRe2 = RegExp(`\\bnode .*?ng-packages-installer/index restore .*?${path.resolve(dir1)}\\b`);
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installer = new NgPackagesInstaller(dir2);
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installer._printWarning('');
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expect(console.warn.calls.argsFor(1)[0]).toMatch(restoreCmdRe2);
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});
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});
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describe('_installDeps', () => {
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it('should run yarn install with the given options', () => {
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installer._installDeps('option-1', 'option-2');
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expect(shelljs.exec).toHaveBeenCalledWith('yarn install option-1 option-2', { cwd: absoluteRootDir });
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});
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});
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describe('local marker helpers', () => {
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let installer;
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beforeEach(() => {
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installer = new NgPackagesInstaller(rootDir);
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});
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describe('_checkLocalMarker', () => {
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it ('should return true if the local marker file exists', () => {
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fs.existsSync.and.returnValue(true);
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expect(installer._checkLocalMarker()).toEqual(true);
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expect(fs.existsSync).toHaveBeenCalledWith(path.resolve(nodeModulesDir, '_local_.json'));
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fs.existsSync.calls.reset();
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fs.existsSync.and.returnValue(false);
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expect(installer._checkLocalMarker()).toEqual(false);
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expect(fs.existsSync).toHaveBeenCalledWith(path.resolve(nodeModulesDir, '_local_.json'));
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});
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});
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describe('_setLocalMarker', () => {
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it('should create a local marker file', () => {
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installer._setLocalMarker('test contents');
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expect(fs.writeFileSync).toHaveBeenCalledWith(path.resolve(nodeModulesDir, '_local_.json'), 'test contents');
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});
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});
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});
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});
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