refactor(e2e): faster tests (#12021)

packages/app/e2e/fixtures.ts

@@ -1,5 +1,5 @@
-import { test as base, expect } from "@playwright/test"
-import { seedProjects } from "./actions"
+import { test as base, expect, type Page } from "@playwright/test"
+import { cleanupTestProject, createTestProject, seedProjects } from "./actions"
 import { promptSelector } from "./selectors"
 import { createSdk, dirSlug, getWorktree, sessionPath } from "./utils"
 
@@ -8,6 +8,14 @@ export const settingsKey = "settings.v3"
 type TestFixtures = {
   sdk: ReturnType<typeof createSdk>
   gotoSession: (sessionID?: string) => Promise<void>
+  withProject: <T>(
+    callback: (project: {
+      directory: string
+      slug: string
+      gotoSession: (sessionID?: string) => Promise<void>
+    }) => Promise<T>,
+    options?: { extra?: string[] },
+  ) => Promise<T>
 }
 
 type WorkerFixtures = {
@@ -33,17 +41,7 @@ export const test = base.extend<TestFixtures, WorkerFixtures>({
     await use(createSdk(directory))
   },
   gotoSession: async ({ page, directory }, use) => {
-    await seedProjects(page, { directory })
-    await page.addInitScript(() => {
-      localStorage.setItem(
-        "opencode.global.dat:model",
-        JSON.stringify({
-          recent: [{ providerID: "opencode", modelID: "big-pickle" }],
-          user: [],
-          variant: {},
-        }),
-      )
-    })
+    await seedStorage(page, { directory })
 
     const gotoSession = async (sessionID?: string) => {
       await page.goto(sessionPath(directory, sessionID))
@@ -51,6 +49,39 @@ export const test = base.extend<TestFixtures, WorkerFixtures>({
     }
     await use(gotoSession)
   },
+  withProject: async ({ page }, use) => {
+    await use(async (callback, options) => {
+      const directory = await createTestProject()
+      const slug = dirSlug(directory)
+      await seedStorage(page, { directory, extra: options?.extra })
+
+      const gotoSession = async (sessionID?: string) => {
+        await page.goto(sessionPath(directory, sessionID))
+        await expect(page.locator(promptSelector)).toBeVisible()
+      }
+
+      try {
+        await gotoSession()
+        return await callback({ directory, slug, gotoSession })
+      } finally {
+        await cleanupTestProject(directory)
+      }
+    })
+  },
 })
 
+async function seedStorage(page: Page, input: { directory: string; extra?: string[] }) {
+  await seedProjects(page, input)
+  await page.addInitScript(() => {
+    localStorage.setItem(
+      "opencode.global.dat:model",
+      JSON.stringify({
+        recent: [{ providerID: "opencode", modelID: "big-pickle" }],
+        user: [],
+        variant: {},
+      }),
+    )
+  })
+}
+
 export { expect }