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From: stevengill <git@git.apache.org>
To: dev@cordova.apache.org
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References: <git-pr-573-cordova-lib@git.apache.org>
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Subject: [GitHub] cordova-lib pull request #573: CB-12361 : updated addHelper tests
Content-Type: text/plain
Message-Id: <20170629194017.36DB6E943C@git1-us-west.apache.org>
Date: Thu, 29 Jun 2017 19:40:17 +0000 (UTC)
archived-at: Thu, 29 Jun 2017 19:40:19 -0000

Github user stevengill commented on a diff in the pull request:

    https://github.com/apache/cordova-lib/pull/573#discussion_r124868182
  
    --- Diff: spec/cordova/platform/addHelper.spec.js ---
    @@ -16,34 +16,459 @@
     */
     /* eslint-env jasmine */
     
    +var path = require('path');
    +var fs = require('fs');
    +var Q = require('q');
    +var shell = require('shelljs');
    +var events = require('cordova-common').events;
    +var rewire = require('rewire');
    +var platform_addHelper = rewire('../../../src/cordova/platform/addHelper');
    +var platform_module = require('../../../src/cordova/platform');
    +var platform_metadata = require('../../../src/cordova/platform_metadata');
    +var cordova_util = require('../../../src/cordova/util');
    +var cordova_config = require('../../../src/cordova/config');
    +var plugman = require('../../../src/plugman/plugman');
    +var fetch_metadata = require('../../../src/plugman/util/metadata');
    +var lazy_load = require('../../../src/cordova/lazy_load');
    +// require module here
    +// spy on it and return 
    +var cordova = require('../../../src/cordova/cordova');
    +var prepare = require('../../../src/cordova/prepare');
    +var gitclone = require('../../../src/gitclone');
    +var fail;
    +
     describe('cordova/platform/addHelper', function () {
    +    var projectRoot = '/some/path';
    +    // These _mock and _revert_mock objects use rewire as the modules these mocks replace
    +    // during testing all return functions, which we cannot spy on using jasmine.
    +    // Thus, we replace these modules inside the scope of addHelper.js using rewire, and shim
    +    // in these _mock test dummies. The test dummies themselves are constructed using
    +    // jasmine.createSpy inside the first beforeEach.
    +    var cfg_parser_mock = function () {};
    +    var cfg_parser_revert_mock;
    +    var hooks_mock;
    +    var platform_api_mock;
    +    var fetch_mock;
    +    var fetch_revert_mock;
    +    var prepare_mock;
    +    var prepare_revert_mock;
    +    var fake_platform = {
    +        'platform': 'atari'
    +    };
    +    beforeEach(function () {
    +        hooks_mock = jasmine.createSpyObj('hooksRunner mock', ['fire']);
    +        hooks_mock.fire.and.returnValue(Q());
    +        cfg_parser_mock.prototype = jasmine.createSpyObj('config parser mock', ['write', 'removeEngine', 'addEngine', 'getHookScripts']);
    +        cfg_parser_revert_mock = platform_addHelper.__set__('ConfigParser', cfg_parser_mock);
    +        fetch_mock = jasmine.createSpy('fetch mock').and.returnValue(Q());
    +        fetch_revert_mock = platform_addHelper.__set__('fetch', fetch_mock);
    +        prepare_mock = jasmine.createSpy('prepare mock').and.returnValue(Q());
    +        prepare_mock.preparePlatforms = jasmine.createSpy('preparePlatforms mock').and.returnValue(Q());
    +        prepare_revert_mock = platform_addHelper.__set__('prepare', prepare_mock);
    +        spyOn(shell, 'mkdir');
    +        spyOn(fs, 'existsSync').and.returnValue(false);
    +        spyOn(fs, 'writeFileSync');
    +        spyOn(cordova_util, 'projectConfig').and.returnValue(path.join(projectRoot, 'config.xml'));
    +        spyOn(cordova_util, 'isDirectory').and.returnValue(false);
    +        spyOn(cordova_util, 'fixRelativePath').and.callFake(function (input) { return input; });
    +        spyOn(cordova_util, 'isUrl').and.returnValue(false);
    +        spyOn(cordova_util, 'hostSupports').and.returnValue(true);
    +        spyOn(cordova_util, 'removePlatformPluginsJson');
    +        spyOn(cordova_config, 'read').and.returnValue({});
    +        // Fake platform details we will use for our mocks, returned by either
    +        // getPlatfromDetailsFromDir (in the local-directory case), or
    +        // downloadPlatform (in every other case)
    +        spyOn(platform_module, 'getPlatformDetailsFromDir').and.returnValue(Q(fake_platform));
    +        spyOn(platform_addHelper, 'downloadPlatform').and.returnValue(Q(fake_platform));
    +        spyOn(platform_addHelper, 'getVersionFromConfigFile').and.returnValue(false);
    +        spyOn(platform_addHelper, 'installPluginsForNewPlatform').and.returnValue(Q());
    +        platform_api_mock = jasmine.createSpyObj('platform api mock', ['createPlatform', 'updatePlatform']);
    +        platform_api_mock.createPlatform.and.returnValue(Q());
    +        platform_api_mock.updatePlatform.and.returnValue(Q());
    +        spyOn(cordova_util, 'getPlatformApiFunction').and.returnValue(platform_api_mock);
    +        spyOn(platform_metadata, 'save');
    +    });
    +    afterEach(function () {
    +        cfg_parser_revert_mock();
    +        fetch_revert_mock();
    +        prepare_revert_mock();
    +    });
         describe('error/warning conditions', function () {
    -        it('should require specifying at least one platform');
    -        it('should warn if host OS does not support the specified platform');
    +        it('should require specifying at least one platform', function (done) {
    +            platform_addHelper('add', hooks_mock).then(function () {
    +                fail('addHelper success handler unexpectedly invoked');
    +            }).fail(function (e) {
    +                expect(e.message).toContain('No platform specified.');
    +            }).done(done);
    +        });
    +
    +        it('should log if host OS does not support the specified platform', function () {
    +            cordova_util.hostSupports.and.returnValue(false);
    +            spyOn(events, 'emit');
    +            platform_addHelper('add', hooks_mock, projectRoot, ['atari']);
    +            expect(events.emit.calls.mostRecent().args[1]).toContain('can not be built on this OS');
    --- End diff --
    
    @filmaj suggested we avoid the `.calls` api and instead use `toHaveBeenCalledWith()`. 


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