added tests for messaging method .canMessage

tests/messaging.js

@@ -0,0 +1,62 @@
+var assert = require('assert'),
+	db = require('./mocks/databasemock'),
+	async = require('async'),
+	User = require('../src/user'),
+	Groups = require('../src/groups'),
+	Messaging = require('../src/messaging'),
+	testUids;
+
+describe("Messaging Library", function() {
+	before(function(done) {
+		// Create 3 users: 1 admin, 2 regular
+		async.parallel([
+			async.apply(User.create, { username: 'foo', password: 'bar' }),	// admin
+			async.apply(User.create, { username: 'baz', password: 'quux' }),	// restricted user
+			async.apply(User.create, { username: 'herp', password: 'derp' })	// regular user
+		], function(err, uids) {
+			testUids = uids;
+			async.parallel([
+				async.apply(Groups.join, 'administrators', uids[0]),
+				async.apply(User.setSetting, testUids[1], 'restrictChat', '1')
+			], done);
+		});
+	});
+
+	describe(".canMessage()", function() {
+		it("should allow messages to be sent to an unrestricted user", function(done) {
+			Messaging.canMessage(testUids[1], testUids[2], function(err, allowed) {
+				assert.strictEqual(allowed, true, 'should be true, received ' + allowed);
+				done();
+			});
+		});
+
+		it("should NOT allow messages to be sent to a restricted user", function(done) {
+			User.setSetting(testUids[1], 'restrictChat', '1', function() {
+				Messaging.canMessage(testUids[2], testUids[1], function(err, allowed) {
+					assert.strictEqual(allowed, false, 'should be false, received ' + allowed);
+					done();
+				});
+			});
+		});
+
+		it("should always allow admins through", function(done) {
+			Messaging.canMessage(testUids[0], testUids[1], function(err, allowed) {
+				assert.strictEqual(allowed, true, 'should be true, received ' + allowed);
+				done();
+			});
+		});
+
+		it("should allow messages to be sent to a restricted user if restricted user follows sender", function(done) {
+			User.follow(testUids[1], testUids[2], function() {
+				Messaging.canMessage(testUids[2], testUids[1], function(err, allowed) {
+					assert.strictEqual(allowed, true, 'should be true, received ' + allowed);
+					done();
+				});
+			});
+		});
+	});
+
+	after(function() {
+		db.flushdb();
+	});
+});