prometheus/rules/recording_test.go
Jorge Hernández 6cd0f63eb1 Use testutil in rules subpackage (#3278)
* Use testutil in rules subpackage

* Fix manager test

* Use testutil in rules subpackage

* Fix manager test

* Fix rebase

* Change to testutil for applyConfig tests
2017-11-11 11:29:47 +01:00

85 lines
2.5 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"
"testing"
"time"
"github.com/prometheus/prometheus/pkg/labels"
"github.com/prometheus/prometheus/pkg/timestamp"
"github.com/prometheus/prometheus/promql"
"github.com/prometheus/prometheus/util/testutil"
)
func TestRuleEval(t *testing.T) {
storage := testutil.NewStorage(t)
defer storage.Close()
engine := promql.NewEngine(storage, nil)
ctx, cancelCtx := context.WithCancel(context.Background())
defer cancelCtx()
now := time.Now()
suite := []struct {
name string
expr promql.Expr
labels labels.Labels
result promql.Vector
}{
{
name: "nolabels",
expr: &promql.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: &promql.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, engine, nil)
testutil.Ok(t, err)
testutil.Equals(t, result, test.result)
}
}
func TestRecordingRuleHTMLSnippet(t *testing.T) {
expr, err := promql.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=&#34;&lt;b&gt;BOLD&lt;b&gt;&#34;}</a>
labels:
html: '&lt;b&gt;BOLD&lt;/b&gt;'
`
got := rule.HTMLSnippet("/test/prefix")
testutil.Assert(t, want == got, "incorrect HTML snippet; want:\n\n%s\n\ngot:\n\n%s", want, got)
}