33 lines
1.1 KiB
Go
33 lines
1.1 KiB
Go
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// Copyright 2020 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 labels
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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// TestStableHash tests that StableHash is stable.
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// The hashes this test asserts should not be changed.
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func TestStableHash(t *testing.T) {
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for expectedHash, lbls := range map[uint64]Labels{
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0xef46db3751d8e999: EmptyLabels(),
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0x347c8ee7a9e29708: FromStrings("hello", "world"),
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0xcbab40540f26097d: FromStrings(MetricName, "metric", "label", "value"),
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} {
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require.Equal(t, expectedHash, StableHash(lbls))
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}
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}
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