mirror of
https://github.com/prometheus/prometheus
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cc98e164d3
When converting `AlertStmt` to a string, the alert rule labels were printed as `ANNOTATIONS` instead of the annotations themselves. Fix and add a test to catch future regressions.
117 lines
2.5 KiB
Go
117 lines
2.5 KiB
Go
// Copyright 2015 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 promql
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import (
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"testing"
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"time"
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"github.com/prometheus/common/model"
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"github.com/prometheus/prometheus/storage/metric"
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)
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func TestStatementString(t *testing.T) {
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in := &AlertStmt{
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Name: "FooAlert",
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Expr: &BinaryExpr{
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Op: itemGTR,
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LHS: &VectorSelector{
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Name: "foo",
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LabelMatchers: metric.LabelMatchers{
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{Type: metric.Equal, Name: model.MetricNameLabel, Value: "bar"},
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},
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},
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RHS: &NumberLiteral{10},
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},
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Duration: 5 * time.Minute,
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Labels: model.LabelSet{"foo": "bar"},
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Annotations: model.LabelSet{
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"notify": "team-a",
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},
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}
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expected := `ALERT FooAlert
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IF foo > 10
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FOR 5m
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LABELS {foo="bar"}
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ANNOTATIONS {notify="team-a"}`
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if in.String() != expected {
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t.Fatalf("expected:\n%s\ngot:\n%s\n", expected, in.String())
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}
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}
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func TestExprString(t *testing.T) {
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// A list of valid expressions that are expected to be
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// returned as out when calling String(). If out is empty the output
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// is expected to equal the input.
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inputs := []struct {
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in, out string
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}{
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{
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in: `sum(task:errors:rate10s{job="s"}) BY (code)`,
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},
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{
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in: `sum(task:errors:rate10s{job="s"}) BY (code) KEEP_COMMON`,
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},
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{
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in: `sum(task:errors:rate10s{job="s"}) KEEP_COMMON`,
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},
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{
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in: `sum(task:errors:rate10s{job="s"}) WITHOUT (instance)`,
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},
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{
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in: `a - ON(b) c`,
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},
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{
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in: `a - ON(b) GROUP_LEFT(x) c`,
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},
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{
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in: `a - ON(b) GROUP_LEFT(x, y) c`,
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},
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{
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in: `a - ON(b) GROUP_LEFT c`,
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},
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{
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in: `a - IGNORING(b) c`,
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},
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{
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in: `up > BOOL 0`,
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},
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{
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in: `a OFFSET 1m`,
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},
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{
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in: `a{c="d"}[5m] OFFSET 1m`,
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},
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{
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in: `a[5m] OFFSET 1m`,
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},
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}
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for _, test := range inputs {
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expr, err := ParseExpr(test.in)
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if err != nil {
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t.Fatalf("parsing error for %q: %s", test.in, err)
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}
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exp := test.in
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if test.out != "" {
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exp = test.out
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}
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if expr.String() != exp {
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t.Fatalf("expected %q to be returned as:\n%s\ngot:\n%s\n", test.in, exp, expr.String())
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}
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}
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}
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