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2bb2604f0b
Enforce the following limits: 12kb for total message length in container status 4kb for the termination message path file 2kb or 80 lines (whichever is shorter) from the log on error Fallback to log output if the user requests it.
53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
/*
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Copyright 2016 The Kubernetes 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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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 tail
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import (
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"bytes"
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"strings"
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"testing"
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)
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func TestTail(t *testing.T) {
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line := strings.Repeat("a", blockSize)
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testBytes := []byte(line + "\n" +
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line + "\n" +
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line + "\n" +
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line + "\n" +
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line[blockSize/2:]) // incomplete line
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for c, test := range []struct {
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n int64
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start int64
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}{
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{n: -1, start: 0},
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{n: 0, start: int64(len(line)+1) * 4},
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{n: 1, start: int64(len(line)+1) * 3},
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{n: 9999, start: 0},
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} {
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t.Logf("TestCase #%d: %+v", c, test)
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r := bytes.NewReader(testBytes)
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s, err := FindTailLineStartIndex(r, test.n)
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if err != nil {
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t.Error(err)
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}
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if s != test.start {
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t.Errorf("%d != %d", s, test.start)
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}
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}
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}
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