add unit test for MaxTargetVolumeLimit

src/__tests__/LimitCheckerImpl.test.ts

@@ -0,0 +1,38 @@
+import LimitCheckerImpl from '../LimitCheckerImpl';
+import { options } from '../logger';
+options.enabled = false;
+
+describe('LimitCheckerImpl', () => {
+  test('MaxTargetVolumeLimit - violate', () => {
+    const config = { maxTargetVolumePercent: 50 };
+    const ps = {};
+    const analysisResult = { availableVolume: 1.0, targetVolume: 0.7 };
+    const checker = new LimitCheckerImpl({ config }, ps, analysisResult, analysisResult, false);
+    checker.limits = checker.limits.filter(limit => limit.constructor.name === 'MaxTargetVolumeLimit');
+    const result = checker.check();
+    expect(result.success).toBe(false);
+    expect(result.reason).toBe('Too large Volume');
+  });
+
+  test('MaxTargetVolumeLimit - pass', () => {
+    const config = { maxTargetVolumePercent: 50 };
+    const ps = {};
+    const analysisResult = { availableVolume: 1.0, targetVolume: 0.3 };
+    const checker = new LimitCheckerImpl({ config }, ps, analysisResult, analysisResult, false);
+    checker.limits = checker.limits.filter(limit => limit.constructor.name === 'MaxTargetVolumeLimit');
+    const result = checker.check();
+    expect(result.success).toBe(true);
+    expect(result.reason).toBe('');
+  });
+
+  test('MaxTargetVolumeLimit - undefined', () => {
+    const config = { maxTargetVolumePercent: undefined };
+    const ps = {};
+    const analysisResult = { availableVolume: 1.0, targetVolume: 0.3 };
+    const checker = new LimitCheckerImpl({ config }, ps, analysisResult, analysisResult, false);
+    checker.limits = checker.limits.filter(limit => limit.constructor.name === 'MaxTargetVolumeLimit');
+    const result = checker.check();
+    expect(result.success).toBe(true);
+    expect(result.reason).toBe('');
+  });
+});