DEV: Spec for opening thread on mobile

plugins/chat/assets/javascripts/discourse/components/chat-message-actions-desktop.hbs

@@ -40,7 +40,7 @@
     {{#if this.messageCapabilities.hasThread}}
       <DButton
         @class="btn-flat chat-message-thread-btn"
-        @action={{this.messageActions.showThread}}
+        @action={{this.messageActions.openThread}}
         @icon="puzzle-piece"
         @title="chat.threads.open"
       />

plugins/chat/assets/javascripts/discourse/components/chat-message.js

@@ -238,6 +238,14 @@ export default Component.extend({
       });
     }
 
+    if (this.openThread) {
+      buttons.push({
+        id: "openThread",
+        name: I18n.t("chat.threads.open"),
+        icon: "puzzle-piece",
+      });
+    }
+
     return buttons;
   },
 
@@ -253,7 +261,7 @@ export default Component.extend({
       restore: this.restore,
       rebakeMessage: this.rebakeMessage,
       toggleBookmark: this.toggleBookmark,
-      showThread: this.showThread,
+      openThread: this.openThread,
       startReactionForMessageActions: this.startReactionForMessageActions,
     };
   },
@@ -732,7 +740,7 @@ export default Component.extend({
   },
 
   @action
-  showThread() {
+  openThread() {
     this.router.transitionTo("chat.channel.thread", this.message.thread_id);
   },
 

plugins/chat/spec/system/page_objects/chat/chat_channel.rb

@@ -32,6 +32,10 @@ module PageObjects
         click_more_buttons(message)
       end
 
+      def expand_message_actions_mobile(message, delay: 1)
+        message_by_id(message.id).click(delay: delay)
+      end
+
       def hover_message(message)
         message_by_id(message.id).hover
       end
@@ -56,6 +60,11 @@ module PageObjects
         find(".chat-message-thread-btn").click
       end
 
+      def open_message_thread_mobile(message)
+        expand_message_actions_mobile(message)
+        find(".chat-message-action-item[data-id=\"openThread\"]").click
+      end
+
       def select_message(message)
         hover_message(message)
         click_more_buttons(message)

plugins/chat/spec/system/single_thread_spec.rb

@@ -67,5 +67,14 @@ describe "Single thread in side panel", type: :system, js: true do
       expect(open_thread.op).to have_css(".chat-user-avatar img.avatar")
       expect(open_thread.op).to have_content(thread.original_message_user.username)
     end
+
+    context "when using mobile" do
+      it "opens the side panel for a single thread from the mobile message actions menu",
+         mobile: true do
+        chat_page.visit_channel(channel)
+        channel_page.open_message_thread_mobile(thread.chat_messages.last)
+        expect(side_panel).to have_open_thread(thread)
+      end
+    end
   end
 end

plugins/chat/spec/system/transcript_spec.rb

@@ -28,7 +28,7 @@ RSpec.describe "Quoting chat message transcripts", type: :system, js: true do
   def select_message_mobile(message)
     i = 0.5
     try_until_success(timeout: 20) do
-      chat_channel_page.message_by_id(message.id).click(delay: i)
+      chat_channel_page.expand_message_actions_mobile(message, delay: 1)
       first(".chat-message-action-item[data-id=\"selectMessage\"]")
     end
     find(".chat-message-action-item[data-id=\"selectMessage\"] button").click