1 files changed, 30 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/reducers/tests/ui.spec.js b/devtools/client/debugger/src/reducers/tests/ui.spec.js
new file mode 100644
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+++ b/devtools/client/debugger/src/reducers/tests/ui.spec.js
@@ -0,0 +1,30 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+import { prefs } from "../../utils/prefs";
+import update, { initialUIState } from "../ui";
+
+describe("ui reducer", () => {
+  it("toggle framework grouping to false", () => {
+    const state = initialUIState();
+    const value = false;
+    const updatedState = update(state, {
+      type: "TOGGLE_FRAMEWORK_GROUPING",
+      value,
+    });
+    expect(updatedState.frameworkGroupingOn).toBe(value);
+    expect(prefs.frameworkGroupingOn).toBe(value);
+  });
+
+  it("toggle framework grouping to true", () => {
+    const state = initialUIState();
+    const value = true;
+    const updatedState = update(state, {
+      type: "TOGGLE_FRAMEWORK_GROUPING",
+      value,
+    });
+    expect(updatedState.frameworkGroupingOn).toBe(value);
+    expect(prefs.frameworkGroupingOn).toBe(value);
+  });
+});