mirror of https://github.com/grafana/grafana.git
105 lines
3.0 KiB
Go
105 lines
3.0 KiB
Go
package expr
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import (
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"context"
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"encoding/json"
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"fmt"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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"github.com/grafana/grafana-plugin-sdk-go/backend"
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"github.com/grafana/grafana-plugin-sdk-go/data"
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"github.com/grafana/grafana/pkg/services/datasources"
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"github.com/grafana/grafana/pkg/services/featuremgmt"
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"github.com/stretchr/testify/require"
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)
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func TestSQLService(t *testing.T) {
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inputFrame := data.NewFrame("",
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data.NewField("time", nil, []time.Time{time.Unix(1, 0)}),
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data.NewField("value", nil, []*float64{fp(2)}),
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)
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resp := map[string]backend.DataResponse{
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"A": {Frames: data.Frames{inputFrame}},
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}
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newABSQLQueries := func(q string) []Query {
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q, err := jsonEscape(q)
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require.NoError(t, err)
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return []Query{
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{
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RefID: "A",
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DataSource: &datasources.DataSource{
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OrgID: 1,
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UID: "test",
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Type: "test",
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},
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JSON: json.RawMessage(`{ "datasource": { "uid": "1" }, "intervalMs": 1000, "maxDataPoints": 1000 }`),
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TimeRange: AbsoluteTimeRange{
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From: time.Time{},
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To: time.Time{},
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},
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},
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{
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RefID: "B",
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DataSource: dataSourceModel(),
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JSON: json.RawMessage(fmt.Sprintf(`{ "datasource": { "uid": "__expr__", "type": "__expr__"}, "type": "sql", "expression": "%s" }`, q)),
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TimeRange: AbsoluteTimeRange{
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From: time.Time{},
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To: time.Time{},
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},
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},
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}
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}
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t.Run("no feature flag no queries for you", func(t *testing.T) {
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s, req := newMockQueryService(resp, newABSQLQueries(""))
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_, err := s.BuildPipeline(req)
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require.Error(t, err, "should not be able to build pipeline without feature flag")
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})
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t.Run("with feature flag basic select works", func(t *testing.T) {
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s, req := newMockQueryService(resp, newABSQLQueries("SELECT * FROM A"))
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s.features = featuremgmt.WithFeatures(featuremgmt.FlagSqlExpressions)
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pl, err := s.BuildPipeline(req)
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require.NoError(t, err)
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res, err := s.ExecutePipeline(context.Background(), time.Now(), pl)
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require.NoError(t, err)
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inputFrame.RefID = "B"
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inputFrame.Name = "B"
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if diff := cmp.Diff(res.Responses["B"].Frames[0], inputFrame, data.FrameTestCompareOptions()...); diff != "" {
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require.FailNowf(t, "Result mismatch (-want +got):%s\n", diff)
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}
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})
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t.Run("load_file is blocked", func(t *testing.T) {
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s, req := newMockQueryService(resp,
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newABSQLQueries(`SELECT CAST(load_file('/etc/topSecretz') AS CHAR(10000) CHARACTER SET utf8)`),
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)
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s.features = featuremgmt.WithFeatures(featuremgmt.FlagSqlExpressions)
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pl, err := s.BuildPipeline(req)
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require.NoError(t, err)
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rsp, err := s.ExecutePipeline(context.Background(), time.Now(), pl)
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require.NoError(t, err)
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require.Error(t, rsp.Responses["B"].Error, "should return invalid sql error")
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require.ErrorContains(t, rsp.Responses["B"].Error, "blocked function load_file")
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})
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}
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func jsonEscape(input string) (string, error) {
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escaped, err := json.Marshal(input)
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if err != nil {
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return "", err
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}
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// json.Marshal returns the escaped string with quotes, so we need to trim them
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return string(escaped[1 : len(escaped)-1]), nil
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}
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