Chore: swap [value,time] order when converting to DataFrame (#23206)

packages/grafana-data/src/dataframe/processDataFrame.test.ts

@@ -21,16 +21,17 @@ describe('toDataFrame', () => {
       ],
     };
     let series = toDataFrame(input1);
-    expect(series.fields[0].name).toBe(input1.target);
+    expect(series.fields[1].name).toBe(input1.target);
 
     const v0 = series.fields[0].values;
     const v1 = series.fields[1].values;
     expect(v0.length).toEqual(2);
+    expect(v0.get(0)).toEqual(1);
+    expect(v0.get(1)).toEqual(2);
+
     expect(v1.length).toEqual(2);
-    expect(v0.get(0)).toEqual(100);
-    expect(v0.get(1)).toEqual(200);
-    expect(v1.get(0)).toEqual(1);
-    expect(v1.get(1)).toEqual(2);
+    expect(v1.get(0)).toEqual(100);
+    expect(v1.get(1)).toEqual(200);
 
     // Should fill a default name if target is empty
     const input2 = {
@@ -42,7 +43,7 @@ describe('toDataFrame', () => {
       ],
     };
     series = toDataFrame(input2);
-    expect(series.fields[0].name).toEqual('Value');
+    expect(series.fields[1].name).toEqual('Value');
   });
 
   it('assumes TimeSeries values are numbers', () => {
@@ -54,7 +55,8 @@ describe('toDataFrame', () => {
       ],
     };
     const data = toDataFrame(input1);
-    expect(data.fields[0].type).toBe(FieldType.number);
+    expect(data.fields[0].type).toBe(FieldType.time);
+    expect(data.fields[1].type).toBe(FieldType.number);
   });
 
   it('keeps dataFrame unchanged', () => {