77cb47773f
* add unit test * ignore setting valueField name if the frame type is heatmap-cells * return early
71 lines
4.2 KiB
Go
71 lines
4.2 KiB
Go
package querydata
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import (
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"bytes"
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"context"
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"io"
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"net/http"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/grafana/grafana/pkg/promlib/models"
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"github.com/grafana/grafana/pkg/promlib/querydata/exemplar"
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)
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func TestQueryData_parseResponse(t *testing.T) {
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qd := QueryData{exemplarSampler: exemplar.NewStandardDeviationSampler}
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t.Run("resultType is before result the field must parsed normally", func(t *testing.T) {
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resBody := `{"data":{"resultType":"vector", "result":[{"metric":{"__name__":"some_name","environment":"some_env","id":"some_id","instance":"some_instance:1234","job":"some_job","name":"another_name","region":"some_region"},"value":[1.1,"2"]}]},"status":"success"}`
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res := &http.Response{Body: io.NopCloser(bytes.NewBufferString(resBody))}
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result := qd.parseResponse(context.Background(), &models.Query{}, res)
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assert.Nil(t, result.Error)
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assert.Len(t, result.Frames, 1)
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})
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t.Run("resultType is after the result field must parsed normally", func(t *testing.T) {
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resBody := `{"data":{"result":[{"metric":{"__name__":"some_name","environment":"some_env","id":"some_id","instance":"some_instance:1234","job":"some_job","name":"another_name","region":"some_region"},"value":[1.1,"2"]}],"resultType":"vector"},"status":"success"}`
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res := &http.Response{Body: io.NopCloser(bytes.NewBufferString(resBody))}
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result := qd.parseResponse(context.Background(), &models.Query{}, res)
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assert.Nil(t, result.Error)
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assert.Len(t, result.Frames, 1)
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})
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t.Run("no resultType is existed in the data", func(t *testing.T) {
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resBody := `{"data":{"result":[{"metric":{"__name__":"some_name","environment":"some_env","id":"some_id","instance":"some_instance:1234","job":"some_job","name":"another_name","region":"some_region"},"value":[1.1,"2"]}]},"status":"success"}`
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res := &http.Response{Body: io.NopCloser(bytes.NewBufferString(resBody))}
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result := qd.parseResponse(context.Background(), &models.Query{}, res)
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assert.Error(t, result.Error)
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assert.Equal(t, result.Error.Error(), "no resultType found")
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})
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t.Run("resultType is set as empty string before result", func(t *testing.T) {
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resBody := `{"data":{"resultType":"", "result":[{"metric":{"__name__":"some_name","environment":"some_env","id":"some_id","instance":"some_instance:1234","job":"some_job","name":"another_name","region":"some_region"},"value":[1.1,"2"]}]},"status":"success"}`
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res := &http.Response{Body: io.NopCloser(bytes.NewBufferString(resBody))}
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result := qd.parseResponse(context.Background(), &models.Query{}, res)
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assert.Error(t, result.Error)
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assert.Equal(t, result.Error.Error(), "unknown result type: ")
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})
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t.Run("resultType is set as empty string after result", func(t *testing.T) {
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resBody := `{"data":{"result":[{"metric":{"__name__":"some_name","environment":"some_env","id":"some_id","instance":"some_instance:1234","job":"some_job","name":"another_name","region":"some_region"},"value":[1.1,"2"]}],"resultType":""},"status":"success"}`
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res := &http.Response{Body: io.NopCloser(bytes.NewBufferString(resBody))}
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result := qd.parseResponse(context.Background(), &models.Query{}, res)
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assert.Error(t, result.Error)
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assert.Equal(t, result.Error.Error(), "unknown result type: ")
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})
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}
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func TestAddMetadataToMultiFrame(t *testing.T) {
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t.Run("when you have native histogram result", func(t *testing.T) {
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qd := QueryData{exemplarSampler: exemplar.NewStandardDeviationSampler}
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resBody := `{"status":"success","data":{"resultType":"matrix","result":[{"metric":{"__name__":"rpc_durations_native_histogram_seconds","instance":"nativehisto:8080","job":"prometheus"},"histograms":[[1729529685,{"count":"7243102","sum":"72460202.93145595","buckets":[[0,"1.8340080864093422","2","10"],[0,"2","2.1810154653305154","68"]]}],[1729529700,{"count":"7243490","sum":"72464056.03309634","buckets":[[0,"1.8340080864093422","2","10"],[0,"2","2.1810154653305154","68"]]}],[1729529715,{"count":"7243880","sum":"72467935.35871512","buckets":[[0,"1.8340080864093422","2","10"],[0,"2","2.1810154653305154","68"]]}]]}]}}`
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res := &http.Response{Body: io.NopCloser(bytes.NewBufferString(resBody))}
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result := qd.parseResponse(context.Background(), &models.Query{}, res)
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assert.Nil(t, result.Error)
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assert.Len(t, result.Frames, 1)
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assert.Equal(t, "yMin", result.Frames[0].Fields[1].Name)
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})
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}
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