feat: Change /stats to include more detailed breakdowns (#2615)

packages/cli/src/ui/utils/displayUtils.test.ts

@@ -0,0 +1,58 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { describe, it, expect } from 'vitest';
+import {
+  getStatusColor,
+  TOOL_SUCCESS_RATE_HIGH,
+  TOOL_SUCCESS_RATE_MEDIUM,
+  USER_AGREEMENT_RATE_HIGH,
+  USER_AGREEMENT_RATE_MEDIUM,
+  CACHE_EFFICIENCY_HIGH,
+  CACHE_EFFICIENCY_MEDIUM,
+} from './displayUtils.js';
+import { Colors } from '../colors.js';
+
+describe('displayUtils', () => {
+  describe('getStatusColor', () => {
+    const thresholds = {
+      green: 80,
+      yellow: 50,
+    };
+
+    it('should return green for values >= green threshold', () => {
+      expect(getStatusColor(90, thresholds)).toBe(Colors.AccentGreen);
+      expect(getStatusColor(80, thresholds)).toBe(Colors.AccentGreen);
+    });
+
+    it('should return yellow for values < green and >= yellow threshold', () => {
+      expect(getStatusColor(79, thresholds)).toBe(Colors.AccentYellow);
+      expect(getStatusColor(50, thresholds)).toBe(Colors.AccentYellow);
+    });
+
+    it('should return red for values < yellow threshold', () => {
+      expect(getStatusColor(49, thresholds)).toBe(Colors.AccentRed);
+      expect(getStatusColor(0, thresholds)).toBe(Colors.AccentRed);
+    });
+
+    it('should return defaultColor for values < yellow threshold when provided', () => {
+      expect(
+        getStatusColor(49, thresholds, { defaultColor: Colors.Foreground }),
+      ).toBe(Colors.Foreground);
+    });
+  });
+
+  describe('Threshold Constants', () => {
+    it('should have the correct values', () => {
+      expect(TOOL_SUCCESS_RATE_HIGH).toBe(95);
+      expect(TOOL_SUCCESS_RATE_MEDIUM).toBe(85);
+      expect(USER_AGREEMENT_RATE_HIGH).toBe(75);
+      expect(USER_AGREEMENT_RATE_MEDIUM).toBe(45);
+      expect(CACHE_EFFICIENCY_HIGH).toBe(40);
+      expect(CACHE_EFFICIENCY_MEDIUM).toBe(15);
+    });
+  });
+});