46 lines
1.4 KiB
Go
46 lines
1.4 KiB
Go
// Copyright 2021 Prometheus Team
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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 sns
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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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func TestValidateAndTruncateMessage(t *testing.T) {
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sBuff := make([]byte, 257*1024)
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for i := range sBuff {
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sBuff[i] = byte(33)
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}
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truncatedMessage, isTruncated, err := validateAndTruncateMessage(string(sBuff), 256*1024)
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require.True(t, isTruncated)
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require.NoError(t, err)
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require.NotEqual(t, sBuff, truncatedMessage)
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require.Equal(t, len(truncatedMessage), 256*1024)
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sBuff = make([]byte, 100)
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for i := range sBuff {
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sBuff[i] = byte(33)
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}
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truncatedMessage, isTruncated, err = validateAndTruncateMessage(string(sBuff), 100)
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require.False(t, isTruncated)
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require.NoError(t, err)
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require.Equal(t, string(sBuff), truncatedMessage)
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invalidUtf8String := "\xc3\x28"
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_, _, err = validateAndTruncateMessage(invalidUtf8String, 100)
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require.Error(t, err)
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}
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