mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-10 07:34:04 -08:00
90 lines
2.6 KiB
Go
90 lines
2.6 KiB
Go
// Copyright 2013 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package rules
|
|
|
|
import (
|
|
"reflect"
|
|
"testing"
|
|
|
|
"github.com/prometheus/common/model"
|
|
"golang.org/x/net/context"
|
|
|
|
"github.com/prometheus/prometheus/promql"
|
|
"github.com/prometheus/prometheus/storage/local"
|
|
)
|
|
|
|
func TestRuleEval(t *testing.T) {
|
|
storage, closer := local.NewTestStorage(t, 2)
|
|
defer closer.Close()
|
|
engine := promql.NewEngine(storage, nil)
|
|
ctx, cancelCtx := context.WithCancel(context.Background())
|
|
defer cancelCtx()
|
|
|
|
now := model.Now()
|
|
|
|
suite := []struct {
|
|
name string
|
|
expr promql.Expr
|
|
labels model.LabelSet
|
|
result model.Vector
|
|
}{
|
|
{
|
|
name: "nolabels",
|
|
expr: &promql.NumberLiteral{Val: 1},
|
|
labels: model.LabelSet{},
|
|
result: model.Vector{&model.Sample{
|
|
Value: 1,
|
|
Timestamp: now,
|
|
Metric: model.Metric{"__name__": "nolabels"},
|
|
}},
|
|
},
|
|
{
|
|
name: "labels",
|
|
expr: &promql.NumberLiteral{Val: 1},
|
|
labels: model.LabelSet{"foo": "bar"},
|
|
result: model.Vector{&model.Sample{
|
|
Value: 1,
|
|
Timestamp: now,
|
|
Metric: model.Metric{"__name__": "labels", "foo": "bar"},
|
|
}},
|
|
},
|
|
}
|
|
|
|
for _, test := range suite {
|
|
rule := NewRecordingRule(test.name, test.expr, test.labels)
|
|
result, err := rule.Eval(ctx, now, engine, "")
|
|
if err != nil {
|
|
t.Fatalf("Error evaluating %s", test.name)
|
|
}
|
|
if !reflect.DeepEqual(result, test.result) {
|
|
t.Fatalf("Error: expected %q, got %q", test.result, result)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRecordingRuleHTMLSnippet(t *testing.T) {
|
|
expr, err := promql.ParseExpr(`foo{html="<b>BOLD<b>"}`)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
rule := NewRecordingRule("testrule", expr, model.LabelSet{"html": "<b>BOLD</b>"})
|
|
|
|
const want = `<a href="/test/prefix/graph?g0.expr=testrule&g0.tab=0">testrule</a>{html="<b>BOLD</b>"} = <a href="/test/prefix/graph?g0.expr=foo%7Bhtml%3D%22%3Cb%3EBOLD%3Cb%3E%22%7D&g0.tab=0">foo{html="<b>BOLD<b>"}</a>`
|
|
|
|
got := rule.HTMLSnippet("/test/prefix")
|
|
if got != want {
|
|
t.Fatalf("incorrect HTML snippet; want:\n\n%s\n\ngot:\n\n%s", want, got)
|
|
}
|
|
}
|