121 lines
3.6 KiB
Go
121 lines
3.6 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 (
|
|
"context"
|
|
"fmt"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/prometheus/prometheus/pkg/labels"
|
|
"github.com/prometheus/prometheus/pkg/timestamp"
|
|
"github.com/prometheus/prometheus/promql"
|
|
"github.com/prometheus/prometheus/promql/parser"
|
|
"github.com/prometheus/prometheus/util/teststorage"
|
|
"github.com/prometheus/prometheus/util/testutil"
|
|
)
|
|
|
|
func TestRuleEval(t *testing.T) {
|
|
storage := teststorage.New(t)
|
|
defer storage.Close()
|
|
|
|
opts := promql.EngineOpts{
|
|
Logger: nil,
|
|
Reg: nil,
|
|
MaxSamples: 10,
|
|
Timeout: 10 * time.Second,
|
|
}
|
|
|
|
engine := promql.NewEngine(opts)
|
|
ctx, cancelCtx := context.WithCancel(context.Background())
|
|
defer cancelCtx()
|
|
|
|
now := time.Now()
|
|
|
|
suite := []struct {
|
|
name string
|
|
expr parser.Expr
|
|
labels labels.Labels
|
|
result promql.Vector
|
|
}{
|
|
{
|
|
name: "nolabels",
|
|
expr: &parser.NumberLiteral{Val: 1},
|
|
labels: labels.Labels{},
|
|
result: promql.Vector{promql.Sample{
|
|
Metric: labels.FromStrings("__name__", "nolabels"),
|
|
Point: promql.Point{V: 1, T: timestamp.FromTime(now)},
|
|
}},
|
|
},
|
|
{
|
|
name: "labels",
|
|
expr: &parser.NumberLiteral{Val: 1},
|
|
labels: labels.FromStrings("foo", "bar"),
|
|
result: promql.Vector{promql.Sample{
|
|
Metric: labels.FromStrings("__name__", "labels", "foo", "bar"),
|
|
Point: promql.Point{V: 1, T: timestamp.FromTime(now)},
|
|
}},
|
|
},
|
|
}
|
|
|
|
for _, test := range suite {
|
|
rule := NewRecordingRule(test.name, test.expr, test.labels)
|
|
result, err := rule.Eval(ctx, now, EngineQueryFunc(engine, storage), nil)
|
|
testutil.Ok(t, err)
|
|
testutil.Equals(t, test.result, result)
|
|
}
|
|
}
|
|
|
|
func TestRecordingRuleHTMLSnippet(t *testing.T) {
|
|
expr, err := parser.ParseExpr(`foo{html="<b>BOLD<b>"}`)
|
|
testutil.Ok(t, err)
|
|
rule := NewRecordingRule("testrule", expr, labels.FromStrings("html", "<b>BOLD</b>"))
|
|
|
|
const want = `record: <a href="/test/prefix/graph?g0.expr=testrule&g0.tab=1">testrule</a>
|
|
expr: <a href="/test/prefix/graph?g0.expr=foo%7Bhtml%3D%22%3Cb%3EBOLD%3Cb%3E%22%7D&g0.tab=1">foo{html="<b>BOLD<b>"}</a>
|
|
labels:
|
|
html: '<b>BOLD</b>'
|
|
`
|
|
|
|
got := rule.HTMLSnippet("/test/prefix")
|
|
testutil.Assert(t, want == got, "incorrect HTML snippet; want:\n\n%s\n\ngot:\n\n%s", want, got)
|
|
}
|
|
|
|
// TestRuleEvalDuplicate tests for duplicate labels in recorded metrics, see #5529.
|
|
func TestRuleEvalDuplicate(t *testing.T) {
|
|
storage := teststorage.New(t)
|
|
defer storage.Close()
|
|
|
|
opts := promql.EngineOpts{
|
|
Logger: nil,
|
|
Reg: nil,
|
|
MaxSamples: 10,
|
|
Timeout: 10 * time.Second,
|
|
}
|
|
|
|
engine := promql.NewEngine(opts)
|
|
ctx, cancelCtx := context.WithCancel(context.Background())
|
|
defer cancelCtx()
|
|
|
|
now := time.Now()
|
|
|
|
expr, _ := parser.ParseExpr(`vector(0) or label_replace(vector(0),"test","x","","")`)
|
|
rule := NewRecordingRule("foo", expr, labels.FromStrings("test", "test"))
|
|
_, err := rule.Eval(ctx, now, EngineQueryFunc(engine, storage), nil)
|
|
testutil.NotOk(t, err)
|
|
e := fmt.Errorf("vector contains metrics with the same labelset after applying rule labels")
|
|
testutil.ErrorEqual(t, e, err)
|
|
}
|