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43 lines
1.5 KiB
43 lines
1.5 KiB
// Copyright 2023 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 testutil |
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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/labels" |
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) |
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// Replacement for require.Equal using go-cmp adapted for Prometheus data structures, instead of DeepEqual. |
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func RequireEqual(t testing.TB, expected, actual interface{}, msgAndArgs ...interface{}) { |
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t.Helper() |
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RequireEqualWithOptions(t, expected, actual, nil, msgAndArgs...) |
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} |
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// As RequireEqual but allows extra cmp.Options. |
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func RequireEqualWithOptions(t testing.TB, expected, actual interface{}, extra []cmp.Option, msgAndArgs ...interface{}) { |
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t.Helper() |
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options := append([]cmp.Option{cmp.Comparer(labels.Equal)}, extra...) |
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if cmp.Equal(expected, actual, options...) { |
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return |
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} |
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diff := cmp.Diff(expected, actual, options...) |
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require.Fail(t, fmt.Sprintf("Not equal: \n"+ |
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"expected: %s\n"+ |
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"actual : %s%s", expected, actual, diff), msgAndArgs...) |
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}
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