muting: Achieve 100% node-test coverage for settings_muting.js.

frontend_tests/node_tests/settings_muting.js

@@ -0,0 +1,56 @@
+set_global('$', global.make_zjquery());
+
+zrequire('settings_muting');
+zrequire('muting');
+set_global('muting_ui', {});
+
+var noop = function () {};
+
+(function test_settings() {
+
+    muting.add_muted_topic('frontend', 'js');
+    var set_up_ui_called = false;
+    muting_ui.set_up_muted_topics_ui = function (opts) {
+        assert.deepEqual(opts, [['frontend', 'js']]);
+        set_up_ui_called = true;
+    };
+
+    settings_muting.set_up();
+
+    var click_handler = $('body').get_on_handler('click', '.settings-unmute-topic');
+    assert.equal(typeof(click_handler), 'function');
+
+    var event = {
+        stopImmediatePropagation: noop,
+    };
+
+    var fake_this = $.create('fake.settings-unmute-topic');
+    var tr_html = $('tr[data-topic="js"]');
+    fake_this.closest = function (opts) {
+        assert.equal(opts, 'tr');
+        return tr_html;
+    };
+
+    var data_called = 0;
+    tr_html.data = function (opts) {
+        if (opts === 'stream') {
+            data_called += 1;
+            return 'frontend';
+        }
+        if (opts === 'topic') {
+            data_called += 1;
+            return 'js';
+        }
+    };
+
+    var unmute_called = false;
+    muting_ui.unmute = function (stream, topic) {
+        assert.equal(stream, 'frontend');
+        assert.equal(topic, 'js');
+        unmute_called = true;
+    };
+    click_handler.call(fake_this, event);
+    assert(unmute_called);
+    assert(set_up_ui_called);
+    assert.equal(data_called, 2);
+}());

tools/test-js-with-node

@@ -53,6 +53,7 @@ enforce_fully_covered = {
     'static/js/search_suggestion.js',
     # Removed because we're migrating code from uncovered other settings pages to here.
     # 'static/js/settings_ui.js',
+    'static/js/settings_muting.js',
     'static/js/settings_user_groups.js',
     'static/js/stream_data.js',
     'static/js/stream_events.js',