chore: refactoring and tests, splitting up files (#12495)

packages/app/src/pages/layout/sidebar-project-helpers.test.ts

@@ -0,0 +1,63 @@
+import { describe, expect, test } from "bun:test"
+import { projectSelected, projectTileActive } from "./sidebar-project-helpers"
+
+describe("projectSelected", () => {
+  test("matches direct worktree", () => {
+    expect(projectSelected("/tmp/root", "/tmp/root")).toBe(true)
+  })
+
+  test("matches sandbox worktree", () => {
+    expect(projectSelected("/tmp/branch", "/tmp/root", ["/tmp/branch"])).toBe(true)
+    expect(projectSelected("/tmp/other", "/tmp/root", ["/tmp/branch"])).toBe(false)
+  })
+})
+
+describe("projectTileActive", () => {
+  test("menu state always wins", () => {
+    expect(
+      projectTileActive({
+        menu: true,
+        preview: false,
+        open: false,
+        overlay: false,
+        worktree: "/tmp/root",
+      }),
+    ).toBe(true)
+  })
+
+  test("preview mode uses open state", () => {
+    expect(
+      projectTileActive({
+        menu: false,
+        preview: true,
+        open: true,
+        overlay: true,
+        hoverProject: "/tmp/other",
+        worktree: "/tmp/root",
+      }),
+    ).toBe(true)
+  })
+
+  test("overlay mode uses hovered project", () => {
+    expect(
+      projectTileActive({
+        menu: false,
+        preview: false,
+        open: false,
+        overlay: true,
+        hoverProject: "/tmp/root",
+        worktree: "/tmp/root",
+      }),
+    ).toBe(true)
+    expect(
+      projectTileActive({
+        menu: false,
+        preview: false,
+        open: false,
+        overlay: true,
+        hoverProject: "/tmp/other",
+        worktree: "/tmp/root",
+      }),
+    ).toBe(false)
+  })
+})