Karma to Jest: threshold_mapper

public/app/features/alerting/specs/threshold_mapper.jest.ts

@@ -0,0 +1,74 @@
+import { describe, it, expect } from 'test/lib/common';
+
+import { ThresholdMapper } from '../threshold_mapper';
+
+describe('ThresholdMapper', () => {
+  describe('with greater than evaluator', () => {
+    it('can map query conditions to thresholds', () => {
+      var panel: any = {
+        type: 'graph',
+        alert: {
+          conditions: [
+            {
+              type: 'query',
+              evaluator: { type: 'gt', params: [100] },
+            },
+          ],
+        },
+      };
+
+      var updated = ThresholdMapper.alertToGraphThresholds(panel);
+      expect(updated).toBe(true);
+      expect(panel.thresholds[0].op).toBe('gt');
+      expect(panel.thresholds[0].value).toBe(100);
+    });
+  });
+
+  describe('with outside range evaluator', () => {
+    it('can map query conditions to thresholds', () => {
+      var panel: any = {
+        type: 'graph',
+        alert: {
+          conditions: [
+            {
+              type: 'query',
+              evaluator: { type: 'outside_range', params: [100, 200] },
+            },
+          ],
+        },
+      };
+
+      var updated = ThresholdMapper.alertToGraphThresholds(panel);
+      expect(updated).toBe(true);
+      expect(panel.thresholds[0].op).toBe('lt');
+      expect(panel.thresholds[0].value).toBe(100);
+
+      expect(panel.thresholds[1].op).toBe('gt');
+      expect(panel.thresholds[1].value).toBe(200);
+    });
+  });
+
+  describe('with inside range evaluator', () => {
+    it('can map query conditions to thresholds', () => {
+      var panel: any = {
+        type: 'graph',
+        alert: {
+          conditions: [
+            {
+              type: 'query',
+              evaluator: { type: 'within_range', params: [100, 200] },
+            },
+          ],
+        },
+      };
+
+      var updated = ThresholdMapper.alertToGraphThresholds(panel);
+      expect(updated).toBe(true);
+      expect(panel.thresholds[0].op).toBe('gt');
+      expect(panel.thresholds[0].value).toBe(100);
+
+      expect(panel.thresholds[1].op).toBe('lt');
+      expect(panel.thresholds[1].value).toBe(200);
+    });
+  });
+});