chore: refactoring and tests (#12468)

packages/app/src/pages/session/helpers.test.ts

@@ -0,0 +1,61 @@
+import { describe, expect, test } from "bun:test"
+import { combineCommandSections, createOpenReviewFile, focusTerminalById } from "./helpers"
+
+describe("createOpenReviewFile", () => {
+  test("opens and loads selected review file", () => {
+    const calls: string[] = []
+    const openReviewFile = createOpenReviewFile({
+      showAllFiles: () => calls.push("show"),
+      tabForPath: (path) => {
+        calls.push(`tab:${path}`)
+        return `file://${path}`
+      },
+      openTab: (tab) => calls.push(`open:${tab}`),
+      loadFile: (path) => calls.push(`load:${path}`),
+    })
+
+    openReviewFile("src/a.ts")
+
+    expect(calls).toEqual(["show", "tab:src/a.ts", "open:file://src/a.ts", "load:src/a.ts"])
+  })
+})
+
+describe("focusTerminalById", () => {
+  test("focuses textarea when present", () => {
+    document.body.innerHTML = `<div id="terminal-wrapper-one"><div data-component="terminal"><textarea></textarea></div></div>`
+
+    const focused = focusTerminalById("one")
+
+    expect(focused).toBe(true)
+    expect(document.activeElement?.tagName).toBe("TEXTAREA")
+  })
+
+  test("falls back to terminal element focus", () => {
+    document.body.innerHTML = `<div id="terminal-wrapper-two"><div data-component="terminal" tabindex="0"></div></div>`
+    const terminal = document.querySelector('[data-component="terminal"]') as HTMLElement
+    let pointerDown = false
+    terminal.addEventListener("pointerdown", () => {
+      pointerDown = true
+    })
+
+    const focused = focusTerminalById("two")
+
+    expect(focused).toBe(true)
+    expect(document.activeElement).toBe(terminal)
+    expect(pointerDown).toBe(true)
+  })
+})
+
+describe("combineCommandSections", () => {
+  test("keeps section order stable", () => {
+    const result = combineCommandSections([
+      [{ id: "a", title: "A" }],
+      [
+        { id: "b", title: "B" },
+        { id: "c", title: "C" },
+      ],
+    ])
+
+    expect(result.map((item) => item.id)).toEqual(["a", "b", "c"])
+  })
+})