mirror of
https://github.com/grafana/grafana.git
synced 2024-11-29 20:24:18 -06:00
106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
package converter
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import (
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"io/ioutil"
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"os"
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"path"
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"strings"
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"testing"
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"time"
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"github.com/grafana/grafana-plugin-sdk-go/experimental"
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jsoniter "github.com/json-iterator/go"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestReadPromFrames(t *testing.T) {
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files := []string{
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"prom-labels",
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"prom-matrix",
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"prom-matrix-with-nans",
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"prom-matrix-histogram-no-labels",
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"prom-matrix-histogram-partitioned",
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"prom-vector-histogram-no-labels",
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"prom-vector",
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"prom-string",
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"prom-scalar",
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"prom-series",
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"prom-warnings",
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"prom-error",
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"prom-exemplars",
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"loki-streams-a",
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"loki-streams-b",
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}
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for _, name := range files {
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t.Run(name, runScenario(name, Options{}))
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t.Run(name, runScenario(name, Options{MatrixWideSeries: true, VectorWideSeries: true}))
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}
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}
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func runScenario(name string, opts Options) func(t *testing.T) {
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return func(t *testing.T) {
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// nolint:gosec
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// We can ignore the gosec G304 because this is a test with static defined paths
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f, err := os.Open(path.Join("testdata", name+".json"))
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require.NoError(t, err)
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if opts.MatrixWideSeries || opts.VectorWideSeries {
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name = name + "-wide"
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}
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iter := jsoniter.Parse(jsoniter.ConfigDefault, f, 1024)
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rsp := ReadPrometheusStyleResult(iter, opts)
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out, err := jsoniter.MarshalIndent(rsp, "", " ")
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require.NoError(t, err)
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save := true
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fpath := path.Join("testdata", name+"-frame.json")
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// nolint:gosec
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// We can ignore the gosec G304 because this is a test with static defined paths
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current, err := ioutil.ReadFile(fpath)
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if err == nil {
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same := assert.JSONEq(t, string(out), string(current))
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if !same {
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save = true
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}
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} else {
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assert.Fail(t, "missing file: "+fpath)
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save = true
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}
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if save {
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err = os.WriteFile(fpath, out, 0600)
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require.NoError(t, err)
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}
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// skip checking golden file for error response. it's not currently supported
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if strings.Contains(name, "prom-error") {
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return
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}
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fpath = path.Join("testdata", name+"-golden.txt")
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err = experimental.CheckGoldenDataResponse(fpath, rsp, true)
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assert.NoError(t, err)
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}
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}
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func TestTimeConversions(t *testing.T) {
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// include millisecond precision
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assert.Equal(t,
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time.Date(2020, time.September, 14, 15, 22, 25, 479000000, time.UTC),
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timeFromFloat(1600096945.479))
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// Loki date parsing
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assert.Equal(t,
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time.Date(2022, time.February, 16, 16, 50, 46, 277587968, time.UTC),
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timeFromLokiString("1645030246277587968"))
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assert.Equal(t,
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time.Date(2033, time.May, 18, 3, 33, 20, 0, time.UTC),
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timeFromLokiString("2000000000000000000"))
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}
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