New chat e2e (#314)

e2e-tests/fixtures/chat1.md

+chat1
+
+<dyad-chat-summary>Chat 1</dyad-chat-summary>

e2e-tests/fixtures/chat2.md

+chat2
+
+<dyad-chat-summary>Chat 2</dyad-chat-summary>

e2e-tests/helpers/test_helper.ts

@@ -163,6 +163,14 @@ class PageObject {
     return this.page.getByRole("textbox", { name: "Ask Dyad to build..." });
   }
 
+  clickNewChat({ index = 0 }: { index?: number } = {}) {
+    // There is two new chat buttons...
+    return this.page
+      .getByRole("button", { name: "New Chat" })
+      .nth(index)
+      .click();
+  }
+
   async sendPrompt(prompt: string) {
     await this.getChatInput().click();
     await this.getChatInput().fill(prompt);

e2e-tests/new_chat.spec.ts

+import { test } from "./helpers/test_helper";
+
+const newChatTestCases = [
+  { name: "first button", clickOptions: undefined },
+  { name: "second button", clickOptions: { index: 1 } },
+];
+
+newChatTestCases.forEach(({ name, clickOptions }) => {
+  test(`new chat (${name})`, async ({ po }) => {
+    await po.setUp();
+    await po.sendPrompt("tc=chat1");
+    await po.snapshotMessages();
+    await po.clickNewChat(clickOptions);
+
+    // Make sure it's empty
+    await po.snapshotMessages();
+
+    await po.sendPrompt("tc=chat2");
+    await po.snapshotMessages();
+  });
+});

e2e-tests/snapshots/new_chat.spec.ts_new-chat-first-button-1.aria.yml

+- paragraph: tc=chat1
+- paragraph: chat1
+- button "Retry":
+  - img
\ No newline at end of file

e2e-tests/snapshots/new_chat.spec.ts_new-chat-first-button-2.aria.yml

+- text: No messages yet
\ No newline at end of file

e2e-tests/snapshots/new_chat.spec.ts_new-chat-first-button-3.aria.yml

+- paragraph: tc=chat2
+- paragraph: chat2
+- button "Retry":
+  - img
\ No newline at end of file

e2e-tests/snapshots/new_chat.spec.ts_new-chat-second-button-1.aria.yml

+- paragraph: tc=chat1
+- paragraph: chat1
+- button "Retry":
+  - img
\ No newline at end of file

e2e-tests/snapshots/new_chat.spec.ts_new-chat-second-button-2.aria.yml

+- text: No messages yet
\ No newline at end of file

e2e-tests/snapshots/new_chat.spec.ts_new-chat-second-button-3.aria.yml

+- paragraph: tc=chat2
+- paragraph: chat2
+- button "Retry":
+  - img
\ No newline at end of file