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73 lines
2.4 KiB
73 lines
2.4 KiB
// Copyright 2014 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 metric |
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import ( |
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"math/rand" |
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"reflect" |
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"sort" |
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"testing" |
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"github.com/prometheus/common/model" |
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) |
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func TestAnchoredMatcher(t *testing.T) { |
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m, err := NewLabelMatcher(RegexMatch, "", "foo|bar|baz") |
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if err != nil { |
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t.Fatal(err) |
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} |
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if !m.Match("foo") { |
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t.Errorf("Expected match for %q but got none", "foo") |
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} |
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if m.Match("fooo") { |
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t.Errorf("Unexpected match for %q", "fooo") |
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} |
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} |
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func TestLabelMatchersSort(t *testing.T) { |
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// Line up Matchers in expected order: |
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want := LabelMatchers{ |
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mustNewLabelMatcher(Equal, model.InstanceLabel, "not empty"), |
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mustNewLabelMatcher(Equal, model.MetricNameLabel, "a:recording:rule"), |
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mustNewLabelMatcher(Equal, model.MetricNameLabel, "up"), |
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mustNewLabelMatcher(Equal, "nothing_special but much longer", "not empty"), |
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mustNewLabelMatcher(Equal, "nothing_special", "not empty but longer"), |
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mustNewLabelMatcher(Equal, "nothing_special", "not empty"), |
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mustNewLabelMatcher(Equal, model.JobLabel, "not empty"), |
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mustNewLabelMatcher(Equal, model.BucketLabel, "not empty"), |
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mustNewLabelMatcher(RegexMatch, "irrelevant", "does not match empty string and is longer"), |
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mustNewLabelMatcher(RegexMatch, "irrelevant", "does not match empty string"), |
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mustNewLabelMatcher(RegexNoMatch, "irrelevant", "(matches empty string)?"), |
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mustNewLabelMatcher(RegexNoMatch, "irrelevant", "(matches empty string with a longer expression)?"), |
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mustNewLabelMatcher(NotEqual, "irrelevant", ""), |
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mustNewLabelMatcher(Equal, "irrelevant", ""), |
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} |
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got := make(LabelMatchers, len(want)) |
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for i, j := range rand.Perm(len(want)) { |
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got[i] = want[j] |
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} |
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sort.Sort(got) |
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if !reflect.DeepEqual(want, got) { |
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t.Errorf("unexpected sorting of matchers, got %v, want %v", got, want) |
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} |
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} |
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func mustNewLabelMatcher(mt MatchType, name model.LabelName, val model.LabelValue) *LabelMatcher { |
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m, err := NewLabelMatcher(mt, name, val) |
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if err != nil { |
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panic(err) |
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} |
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return m |
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}
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