mirror of
https://github.com/gravitational/teleport.git
synced 2026-09-24 16:17:11 +08:00
50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
/*
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Copyright 2022 Gravitational, Inc.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package utils
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import (
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"bytes"
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"testing"
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"github.com/gravitational/teleport/api/types"
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"github.com/stretchr/testify/require"
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)
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// TestMarshalMapConsistency ensures serialized byte comparisons succeed
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// after multiple serialize/deserialize round trips. Some JSON marshalling
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// backends don't sort map keys for performance reasons, which can make
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// operations that depend on the byte ordering fail (e.g. CompareAndSwap).
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func TestMarshalMapConsistency(t *testing.T) {
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value := map[string]string{
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types.TeleportNamespace + "/foo": "1234",
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types.TeleportNamespace + "/bar": "5678",
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}
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compareTo, err := FastMarshal(value)
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require.NoError(t, err)
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for i := 0; i < 100; i++ {
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roundTrip := make(map[string]string)
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err := FastUnmarshal(compareTo, &roundTrip)
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require.NoError(t, err)
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val, err := FastMarshal(roundTrip)
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require.NoError(t, err)
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require.Truef(t, bytes.Equal(val, compareTo), "maps must serialize consistently (attempt %d)", i)
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}
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}
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