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src/services/miniGameDraftGenerationProgress.test.ts

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+import { describe, expect, test } from 'vitest';
+
+import {
+  buildMiniGameDraftGenerationProgress,
+  type MiniGameDraftGenerationState,
+} from './miniGameDraftGenerationProgress';
+
+describe('miniGameDraftGenerationProgress', () => {
+  test('big fish draft generation exposes multiple draft steps', () => {
+    const state: MiniGameDraftGenerationState = {
+      kind: 'big-fish',
+      phase: 'big-fish-draft',
+      startedAtMs: 1000,
+      completedAssetCount: 0,
+      totalAssetCount: 0,
+      error: null,
+    };
+
+    const progress = buildMiniGameDraftGenerationProgress(state, 1500);
+
+    expect(progress).not.toBeNull();
+    expect(progress?.steps).toHaveLength(3);
+    expect(progress?.steps.map((step) => step.id)).toEqual([
+      'big-fish-draft',
+      'big-fish-levels',
+      'big-fish-runtime',
+    ]);
+    expect(progress?.steps[0]?.label).toBe('整理玩法骨架');
+  });
+
+  test('big fish generation progresses to level and runtime phases over time', () => {
+    const state: MiniGameDraftGenerationState = {
+      kind: 'big-fish',
+      phase: 'big-fish-draft',
+      startedAtMs: 1000,
+      completedAssetCount: 0,
+      totalAssetCount: 0,
+      error: null,
+    };
+
+    const levelProgress = buildMiniGameDraftGenerationProgress(state, 3200);
+    const runtimeProgress = buildMiniGameDraftGenerationProgress(state, 6200);
+
+    expect(levelProgress?.phaseId).toBe('big-fish-levels');
+    expect(levelProgress?.phaseLabel).toBe('编译等级蓝图');
+    expect(runtimeProgress?.phaseId).toBe('big-fish-runtime');
+    expect(runtimeProgress?.phaseLabel).toBe('校准场地与参数');
+  });
+
+  test('big fish ready copy directs user to continue generating assets on result page', () => {
+    const state: MiniGameDraftGenerationState = {
+      kind: 'big-fish',
+      phase: 'ready',
+      startedAtMs: 1000,
+      completedAssetCount: 0,
+      totalAssetCount: 0,
+      error: null,
+    };
+
+    const progress = buildMiniGameDraftGenerationProgress(state, 2000);
+
+    expect(progress?.phaseDetail).toBe(
+      '玩法草稿已准备完成，可进入结果页继续生成主图、动作和背景。',
+    );
+  });
+});