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60 lines
2.3 KiB
Go
60 lines
2.3 KiB
Go
// Copyright 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 teststorage
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import (
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"fmt"
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/stretchr/testify/require"
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"github.com/prometheus/prometheus/model/exemplar"
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"github.com/prometheus/prometheus/model/labels"
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"github.com/prometheus/prometheus/model/metadata"
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"github.com/prometheus/prometheus/util/testutil"
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)
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// TestSample_RequireEqual ensures standard testutil.RequireEqual is enough for comparisons.
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// This is thanks to the fact metadata has now Equals method.
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// TODO(bwplotka): Adding (*labels.Labels) Equals(other *labels.Labels) would remove the
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// need of testutil.RequireEqual fully. Do it.
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func TestSample_RequireEqual(t *testing.T) {
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a := []Sample{
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{},
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{L: labels.FromStrings("__name__", "test_metric_total"), M: metadata.Metadata{Type: "counter", Unit: "metric", Help: "some help text"}},
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{L: labels.FromStrings("__name__", "test_metric2", "foo", "bar"), M: metadata.Metadata{Type: "gauge", Unit: "", Help: "other help text"}, V: 123.123},
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{ES: []exemplar.Exemplar{{Labels: labels.FromStrings("__name__", "yolo")}}},
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}
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testutil.RequireEqual(t, a, a)
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b1 := []Sample{
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{},
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{L: labels.FromStrings("__name__", "test_metric_total"), M: metadata.Metadata{Type: "counter", Unit: "metric", Help: "some help text"}},
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{L: labels.FromStrings("__name__", "test_metric2_diff", "foo", "bar"), M: metadata.Metadata{Type: "gauge", Unit: "", Help: "other help text"}, V: 123.123}, // test_metric2_diff is different.
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{ES: []exemplar.Exemplar{{Labels: labels.FromStrings("__name__", "yolo")}}},
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}
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requireNotEqual(t, a, b1)
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}
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func requireNotEqual(t testing.TB, a, b any) {
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t.Helper()
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if !cmp.Equal(a, b, cmp.Comparer(labels.Equal)) {
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return
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}
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require.Fail(t, fmt.Sprintf("Equal, but expected not: \n"+
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"a: %s\n"+
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"b: %s", a, b))
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}
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