Add compose_fade unit tests.

frontend_tests/node_tests/compose_fade.js

@@ -0,0 +1,68 @@
+set_global('$', function () {
+});
+
+add_dependencies({
+    people: 'js/people',
+    stream_data: 'js/stream_data',
+    util: 'js/util',
+});
+
+var compose_fade = require('js/compose_fade.js');
+
+var me = {
+    email: 'me@example.com',
+    user_id: 30,
+    full_name: 'Me Myself',
+};
+
+var alice = {
+    email: 'alice@example.com',
+    user_id: 31,
+    full_name: 'Alice',
+};
+
+var bob = {
+    email: 'bob@example.com',
+    user_id: 32,
+    full_name: 'Bob',
+};
+
+people.add(me);
+people.initialize_current_user(me.user_id);
+
+people.add(alice);
+people.add(bob);
+
+
+(function test_set_focused_recipient() {
+    var sub = {
+        stream_id: 101,
+        name: 'social',
+        subscribed: true,
+    };
+    stream_data.add_sub('social', sub);
+    stream_data.set_subscribers(sub, [me.user_id, alice.user_id]);
+
+    global.$ = function (selector) {
+        switch (selector) {
+        case '#stream':
+            return {
+                val: function () {
+                    return 'social';
+                },
+            };
+        case '#subject':
+            return {
+                val: function () {
+                    return 'lunch';
+                },
+            };
+        }
+    };
+
+    compose_fade.set_focused_recipient('stream');
+
+    assert(compose_fade.would_receive_message('me@example.com'));
+    assert(compose_fade.would_receive_message('alice@example.com'));
+    assert(!compose_fade.would_receive_message('bob@example.com'));
+}());