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c2e9a151ab
Clicking on a rule, either the name or the expression, opens the rule result (or the corresponding expression, repsectively) in the expression browser. This should by default happen in the console tab, as, more often than not, displaying it in the graph tab runs into a timeout.
90 lines
2.6 KiB
Go
90 lines
2.6 KiB
Go
// Copyright 2013 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rules
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import (
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"reflect"
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"testing"
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"github.com/prometheus/common/model"
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"golang.org/x/net/context"
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"github.com/prometheus/prometheus/promql"
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"github.com/prometheus/prometheus/storage/local"
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)
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func TestRuleEval(t *testing.T) {
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storage, closer := local.NewTestStorage(t, 2)
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defer closer.Close()
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engine := promql.NewEngine(storage, nil)
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ctx, cancelCtx := context.WithCancel(context.Background())
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defer cancelCtx()
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now := model.Now()
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suite := []struct {
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name string
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expr promql.Expr
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labels model.LabelSet
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result model.Vector
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}{
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{
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name: "nolabels",
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expr: &promql.NumberLiteral{Val: 1},
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labels: model.LabelSet{},
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result: model.Vector{&model.Sample{
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Value: 1,
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Timestamp: now,
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Metric: model.Metric{"__name__": "nolabels"},
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}},
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},
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{
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name: "labels",
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expr: &promql.NumberLiteral{Val: 1},
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labels: model.LabelSet{"foo": "bar"},
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result: model.Vector{&model.Sample{
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Value: 1,
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Timestamp: now,
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Metric: model.Metric{"__name__": "labels", "foo": "bar"},
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}},
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},
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}
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for _, test := range suite {
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rule := NewRecordingRule(test.name, test.expr, test.labels)
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result, err := rule.Eval(ctx, now, engine, nil)
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if err != nil {
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t.Fatalf("Error evaluating %s", test.name)
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}
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if !reflect.DeepEqual(result, test.result) {
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t.Fatalf("Error: expected %q, got %q", test.result, result)
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}
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}
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}
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func TestRecordingRuleHTMLSnippet(t *testing.T) {
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expr, err := promql.ParseExpr(`foo{html="<b>BOLD<b>"}`)
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if err != nil {
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t.Fatal(err)
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}
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rule := NewRecordingRule("testrule", expr, model.LabelSet{"html": "<b>BOLD</b>"})
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const want = `<a href="/test/prefix/graph?g0.expr=testrule&g0.tab=1">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=1">foo{html="<b>BOLD<b>"}</a>`
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got := rule.HTMLSnippet("/test/prefix")
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if got != want {
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t.Fatalf("incorrect HTML snippet; want:\n\n%s\n\ngot:\n\n%s", want, got)
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}
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}
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