describe('provider: topicLoggerProvider', function () {
	'use strict';

	// Provider instance
	var tlp;

	// Instanciates the module
	beforeEach(function () {
		module('myitsmApp');
	});

	// Here we don't do any configuration to our provider
	describe('Default Configuration', function () {

		beforeEach(function () {
			inject(['topicLoggerProvider', function (topicLoggerProvider) {
				tlp = topicLoggerProvider;
			}]);
		});

		it('topicLoggerProvider should be defined', function () {
			expect(tlp).toBeDefined();
		});

		it('topicLoggerProvider should have zero defauld topics', function () {
			expect(tlp.getTopics().length).toEqual(0);
		});
	});

	describe('Configuration of topics. Adding Topics', function () {

		beforeEach(function () {
			module(['topicLoggerProvider', function (topicLoggerProvider) {
				topicLoggerProvider.addTopic('expressions');
			}]);

			inject(['topicLoggerProvider', function (topicLoggerProvider) {
				tlp = topicLoggerProvider;
			}]);
		});

		it('topicLoggerProvider should have 1 topics', function () {
			expect(tlp.getTopics().length).toEqual(1);
			expect(tlp.getTopics()[0]).toEqual('expressions');
		});

		it('topicLoggerProvider, adding a topic that alerady exist, should not change topics list', function () {
			tlp.addTopic('expressions');
			expect(tlp.getTopics().length).toEqual(1);
			expect(tlp.getTopics()[0]).toEqual('expressions');
		});
	});

	describe('Configuration of topics. Removing Topics', function () {
		
		beforeEach(function () {
			module(['topicLoggerProvider', function (topicLoggerProvider) {
				topicLoggerProvider.addTopic('expressions');
			}]);

			inject(['topicLoggerProvider', function (topicLoggerProvider) {
				tlp = topicLoggerProvider;
			}]);
		});

		it('topicLoggerProvider should have 0 topics after topic remove', function () {
			tlp.removeTopic('expressions');
			expect(tlp.getTopics().length).toEqual(0);
		});

		it('topicLoggerProvider, removing of unexisted topic should not break code', function () {
			tlp.removeTopic('expressions');
			tlp.removeTopic('some-topic-not-in-list');
			expect(tlp.getTopics().length).toEqual(0);
		});
	});

	describe('Includes topic', function () {
		
		beforeEach(function () {
			module(['topicLoggerProvider', function (topicLoggerProvider) {
				topicLoggerProvider.addTopic('expressions');
			}]);

			inject(['topicLoggerProvider', function (topicLoggerProvider) {
				tlp = topicLoggerProvider;
			}]);
		});

		it('topicLoggerProvider return true/false for topic in/not in topics list', function () {
			expect(tlp.includesTopic('expressions')).toEqual(true);
			expect(tlp.includesTopic('some-topic-not-in-list')).toEqual(false);
		});
	});
});