From 253b2cc081dc3fe2f81da2feb22b490f09494537 Mon Sep 17 00:00:00 2001
From: Mitsuhiro Tanda <mitsuhiro.tanda@gmail.com>
Date: Tue, 1 May 2018 05:00:56 +0900
Subject: [PATCH] add test for prometheus table column title

---
 .../prometheus/specs/result_transformer.jest.ts      | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/public/app/plugins/datasource/prometheus/specs/result_transformer.jest.ts b/public/app/plugins/datasource/prometheus/specs/result_transformer.jest.ts
index abcc46d7ea8..64b983fc8a7 100644
--- a/public/app/plugins/datasource/prometheus/specs/result_transformer.jest.ts
+++ b/public/app/plugins/datasource/prometheus/specs/result_transformer.jest.ts
@@ -47,6 +47,18 @@ describe('Prometheus Result Transformer', () => {
         { text: 'Value' },
       ]);
     });
+
+    it('should column title include refId if response count is more than 2', () => {
+      var table = ctx.resultTransformer.transformMetricDataToTable(response.data.result, 2, "B");
+      expect(table.type).toBe('table');
+      expect(table.columns).toEqual([
+        { text: 'Time', type: 'time' },
+        { text: '__name__' },
+        { text: 'instance' },
+        { text: 'job' },
+        { text: 'Value #B' },
+      ]);
+    });
   });
 
   describe('When resultFormat is table and instant = true', () => {