grafana/pkg/services/live/pipeline/converter_json_auto_test.go

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package pipeline
import (
"context"
"flag"
"io/ioutil"
"path/filepath"
"testing"
"time"
"github.com/grafana/grafana-plugin-sdk-go/backend"
"github.com/grafana/grafana-plugin-sdk-go/experimental"
"github.com/stretchr/testify/require"
)
var update = flag.Bool("update", false, "update golden files")
func loadTestJson(tb testing.TB, file string) []byte {
tb.Helper()
// Safe to disable, this is a test.
// nolint:gosec
content, err := ioutil.ReadFile(filepath.Join("testdata", file+".json"))
require.NoError(tb, err, "expected to be able to read file")
require.True(tb, len(content) > 0)
return content
}
func checkAutoConversion(tb testing.TB, file string) *backend.DataResponse {
tb.Helper()
content := loadTestJson(tb, file)
converter := NewAutoJsonConverter(AutoJsonConverterConfig{})
converter.nowTimeFunc = func() time.Time {
return time.Date(2021, 01, 01, 12, 12, 12, 0, time.UTC)
}
channelFrames, err := converter.Convert(context.Background(), Vars{}, content)
require.NoError(tb, err)
dr := &backend.DataResponse{}
for _, cf := range channelFrames {
require.Empty(tb, cf.Channel)
dr.Frames = append(dr.Frames, cf.Frame)
}
err = experimental.CheckGoldenDataResponse(filepath.Join("testdata", file+".golden.txt"), dr, *update)
require.NoError(tb, err)
return dr
}
func TestAutoJsonConverter_Convert(t *testing.T) {
checkAutoConversion(t, "json_auto")
}