Chore: Rewrite tsdb prometheus test to standard library (#29592)

Signed-off-by: Emil Hessman <emil@hessman.se>
This commit is contained in:
Emil Hessman 2020-12-04 08:49:39 +01:00 committed by GitHub
parent f326b79cc1
commit 3c1bcc7275
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -4,156 +4,125 @@ import (
"testing"
"time"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/tsdb"
"github.com/grafana/grafana/pkg/components/simplejson"
p "github.com/prometheus/common/model"
. "github.com/smartystreets/goconvey/convey"
"github.com/stretchr/testify/require"
)
func TestPrometheus(t *testing.T) {
Convey("Prometheus", t, func() {
dsInfo := &models.DataSource{
JsonData: simplejson.New(),
dsInfo := &models.DataSource{
JsonData: simplejson.New(),
}
t.Run("converting metric name", func(t *testing.T) {
metric := map[p.LabelName]p.LabelValue{
p.LabelName("app"): p.LabelValue("backend"),
p.LabelName("device"): p.LabelValue("mobile"),
}
Convey("converting metric name", func() {
metric := map[p.LabelName]p.LabelValue{
p.LabelName("app"): p.LabelValue("backend"),
p.LabelName("device"): p.LabelValue("mobile"),
}
query := &PrometheusQuery{
LegendFormat: "legend {{app}} {{ device }} {{broken}}",
}
query := &PrometheusQuery{
LegendFormat: "legend {{app}} {{ device }} {{broken}}",
}
require.Equal(t, "legend backend mobile ", formatLegend(metric, query))
})
So(formatLegend(metric, query), ShouldEqual, "legend backend mobile ")
})
t.Run("build full series name", func(t *testing.T) {
metric := map[p.LabelName]p.LabelValue{
p.LabelName(p.MetricNameLabel): p.LabelValue("http_request_total"),
p.LabelName("app"): p.LabelValue("backend"),
p.LabelName("device"): p.LabelValue("mobile"),
}
Convey("build full series name", func() {
metric := map[p.LabelName]p.LabelValue{
p.LabelName(p.MetricNameLabel): p.LabelValue("http_request_total"),
p.LabelName("app"): p.LabelValue("backend"),
p.LabelName("device"): p.LabelValue("mobile"),
}
query := &PrometheusQuery{
LegendFormat: "",
}
query := &PrometheusQuery{
LegendFormat: "",
}
require.Equal(t, `http_request_total{app="backend", device="mobile"}`, formatLegend(metric, query))
})
So(formatLegend(metric, query), ShouldEqual, `http_request_total{app="backend", device="mobile"}`)
})
Convey("parsing query model with step", func() {
json := `{
t.Run("parsing query model with step", func(t *testing.T) {
json := `{
"expr": "go_goroutines",
"format": "time_series",
"refId": "A"
}`
jsonModel, _ := simplejson.NewJson([]byte(json))
queryContext := &tsdb.TsdbQuery{}
queryModels := []*tsdb.Query{
{Model: jsonModel},
}
jsonModel, _ := simplejson.NewJson([]byte(json))
queryContext := &tsdb.TsdbQuery{}
queryModels := []*tsdb.Query{
{Model: jsonModel},
}
Convey("with 48h time range", func() {
queryContext.TimeRange = tsdb.NewTimeRange("12h", "now")
queryContext.TimeRange = tsdb.NewTimeRange("12h", "now")
models, err := parseQuery(dsInfo, queryModels, queryContext)
So(err, ShouldBeNil)
models, err := parseQuery(dsInfo, queryModels, queryContext)
require.NoError(t, err)
require.Equal(t, time.Second*30, models[0].Step)
})
model := models[0]
So(model.Step, ShouldEqual, time.Second*30)
})
})
Convey("parsing query model without step parameter", func() {
json := `{
t.Run("parsing query model without step parameter", func(t *testing.T) {
json := `{
"expr": "go_goroutines",
"format": "time_series",
"intervalFactor": 1,
"refId": "A"
}`
jsonModel, _ := simplejson.NewJson([]byte(json))
queryContext := &tsdb.TsdbQuery{}
queryModels := []*tsdb.Query{
{Model: jsonModel},
}
jsonModel, _ := simplejson.NewJson([]byte(json))
queryContext := &tsdb.TsdbQuery{}
queryModels := []*tsdb.Query{
{Model: jsonModel},
}
Convey("with 48h time range", func() {
queryContext.TimeRange = tsdb.NewTimeRange("48h", "now")
queryContext.TimeRange = tsdb.NewTimeRange("48h", "now")
models, err := parseQuery(dsInfo, queryModels, queryContext)
require.NoError(t, err)
require.Equal(t, time.Minute*2, models[0].Step)
models, err := parseQuery(dsInfo, queryModels, queryContext)
queryContext.TimeRange = tsdb.NewTimeRange("1h", "now")
models, err = parseQuery(dsInfo, queryModels, queryContext)
require.NoError(t, err)
require.Equal(t, time.Second*15, models[0].Step)
})
So(err, ShouldBeNil)
model := models[0]
So(model.Step, ShouldEqual, time.Minute*2)
})
Convey("with 1h time range", func() {
queryContext.TimeRange = tsdb.NewTimeRange("1h", "now")
models, err := parseQuery(dsInfo, queryModels, queryContext)
So(err, ShouldBeNil)
model := models[0]
So(model.Step, ShouldEqual, time.Second*15)
})
})
Convey("parsing query model with intervalFactor", func() {
Convey("high intervalFactor", func() {
json := `{
t.Run("parsing query model with high intervalFactor", func(t *testing.T) {
json := `{
"expr": "go_goroutines",
"format": "time_series",
"intervalFactor": 10,
"refId": "A"
}`
jsonModel, _ := simplejson.NewJson([]byte(json))
queryContext := &tsdb.TsdbQuery{}
queryModels := []*tsdb.Query{
{Model: jsonModel},
}
jsonModel, _ := simplejson.NewJson([]byte(json))
queryContext := &tsdb.TsdbQuery{}
queryModels := []*tsdb.Query{
{Model: jsonModel},
}
Convey("with 48h time range", func() {
queryContext.TimeRange = tsdb.NewTimeRange("48h", "now")
queryContext.TimeRange = tsdb.NewTimeRange("48h", "now")
models, err := parseQuery(dsInfo, queryModels, queryContext)
models, err := parseQuery(dsInfo, queryModels, queryContext)
require.NoError(t, err)
require.Equal(t, time.Minute*20, models[0].Step)
})
So(err, ShouldBeNil)
model := models[0]
So(model.Step, ShouldEqual, time.Minute*20)
})
})
Convey("low intervalFactor", func() {
json := `{
t.Run("parsing query model with low intervalFactor", func(t *testing.T) {
json := `{
"expr": "go_goroutines",
"format": "time_series",
"intervalFactor": 1,
"refId": "A"
}`
jsonModel, _ := simplejson.NewJson([]byte(json))
queryContext := &tsdb.TsdbQuery{}
queryModels := []*tsdb.Query{
{Model: jsonModel},
}
jsonModel, _ := simplejson.NewJson([]byte(json))
queryContext := &tsdb.TsdbQuery{}
queryModels := []*tsdb.Query{
{Model: jsonModel},
}
Convey("with 48h time range", func() {
queryContext.TimeRange = tsdb.NewTimeRange("48h", "now")
queryContext.TimeRange = tsdb.NewTimeRange("48h", "now")
models, err := parseQuery(dsInfo, queryModels, queryContext)
So(err, ShouldBeNil)
model := models[0]
So(model.Step, ShouldEqual, time.Minute*2)
})
})
})
models, err := parseQuery(dsInfo, queryModels, queryContext)
require.NoError(t, err)
require.Equal(t, time.Minute*2, models[0].Step)
})
}