Add e2e tests for the pinned message banner

playwright/e2e/pinned-messages/index.ts

@@ -243,6 +243,36 @@ export class Helpers {
         await item.getByRole("button").click();
         await this.page.getByRole("menu", { name: "Open menu" }).getByRole("menuitem", { name: "Unpin" }).click();
     }
+
+    /**
+     * Return the banner
+     * @private
+     */
+    public getBanner() {
+        return this.page.getByTestId("pinned-message-banner");
+    }
+
+    /**
+     * Assert that the banner contains the given message
+     * @param msg
+     */
+    async assertMessageInBanner(msg: string) {
+        await expect(this.getBanner().getByText(msg)).toBeVisible();
+    }
+
+    /**
+     * Return the view all button
+     */
+    public getViewAllButton() {
+        return this.page.getByRole("button", { name: "View all" });
+    }
+
+    /**
+     * Return the close list button
+     */
+    public getCloseListButton() {
+        return this.page.getByRole("button", { name: "Close list" });
+    }
 }
 
 export { expect };

playwright/e2e/pinned-messages/pinned-messages.spec.ts

@@ -50,7 +50,7 @@ test.describe("Pinned messages", () => {
         await util.assertPinnedMessagesList(["Msg1", "Msg2", "Msg4"]);
     });
 
-    test("should unpin one message", async ({ page, app, room1, util }) => {
+    test.only("should unpin one message", async ({ page, app, room1, util }) => {
         await util.goTo(room1);
         await util.receiveMessages(room1, ["Msg1", "Msg2", "Msg3", "Msg4"]);
         await util.pinMessages(["Msg1", "Msg2", "Msg4"]);
@@ -87,4 +87,64 @@ test.describe("Pinned messages", () => {
         await util.pinMessagesFromQuickActions(["Msg1"], true);
         await util.assertPinnedCountInRoomInfo(0);
     });
+
+    test("should display one message in the banner", async ({ page, app, room1, util }) => {
+        await util.goTo(room1);
+        await util.receiveMessages(room1, ["Msg1"]);
+        await util.pinMessages(["Msg1"]);
+        await util.assertMessageInBanner("Msg1");
+        await expect(util.getBanner()).toMatchScreenshot("pinned-message-banner-1-Msg1.png");
+    });
+
+    test("should display 2 messages in the banner", async ({ page, app, room1, util }) => {
+        await util.goTo(room1);
+        await util.receiveMessages(room1, ["Msg1", "Msg2"]);
+        await util.pinMessages(["Msg1", "Msg2"]);
+
+        await util.assertMessageInBanner("Msg1");
+        await expect(util.getBanner()).toMatchScreenshot("pinned-message-banner-2-Msg1.png");
+
+        await util.getBanner().click();
+        await util.assertMessageInBanner("Msg2");
+        await expect(util.getBanner()).toMatchScreenshot("pinned-message-banner-2-Msg2.png");
+
+        await util.getBanner().click();
+        await util.assertMessageInBanner("Msg1");
+        await expect(util.getBanner()).toMatchScreenshot("pinned-message-banner-2-Msg1.png");
+    });
+
+    test("should display 4 messages in the banner", async ({ page, app, room1, util }) => {
+        await util.goTo(room1);
+        await util.receiveMessages(room1, ["Msg1", "Msg2", "Msg3", "Msg4"]);
+        await util.pinMessages(["Msg1", "Msg2", "Msg3", "Msg4"]);
+
+        for (const msg of ["Msg1", "Msg4", "Msg3", "Msg2"]) {
+            await util.assertMessageInBanner(msg);
+            await expect(util.getBanner()).toMatchScreenshot(`pinned-message-banner-4-${msg}.png`);
+            await util.getBanner().click();
+        }
+    });
+
+    test("should open the pinned messages list from the banner", async ({ page, app, room1, util }) => {
+        await util.goTo(room1);
+        await util.receiveMessages(room1, ["Msg1", "Msg2", "Msg3", "Msg4"]);
+        await util.pinMessages(["Msg1", "Msg4"]);
+
+        await util.getViewAllButton().click();
+        await util.assertPinnedMessagesList(["Msg1", "Msg4"]);
+
+        await expect(util.getCloseListButton()).toBeVisible();
+    });
+
+    test("banner should listen to pinned message list", async ({ page, app, room1, util }) => {
+        await util.goTo(room1);
+        await util.receiveMessages(room1, ["Msg1", "Msg2"]);
+        await util.pinMessages(["Msg1", "Msg2"]);
+
+        await expect(util.getViewAllButton()).toBeVisible();
+
+        await util.openRoomInfo();
+        await util.openPinnedMessagesList();
+        await expect(util.getCloseListButton()).toBeVisible();
+    });
 });

src/components/views/rooms/PinnedMessageBanner.tsx

@@ -82,6 +82,7 @@ export function PinnedMessageBanner({ room, permalinkCreator }: PinnedMessageBan
             className="mx_PinnedMessageBanner"
             data-single-message={isSinglePinnedEvent}
             aria-label={_t("room|pinned_message_banner|description")}
+            data-testid="pinned-message-banner"
         >
             <button
                 aria-label={_t("room|pinned_message_banner|go_to_message")}