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b206264ffb
In a downstream test job, I've seen an e2e test failing to create a directory for Pod logs when running an e2e test. Shorten them to 255 characters. For example, consider this test: "[sig-storage] CSI Mock selinux on mount metrics and SELinuxWarningController SELinuxMount metrics [LinuxOnly] [Feature:SELinux] [Serial] error is not bumped on two Pods with a different policy RWX volume (MountOption + MountOption) [FeatureGate:SELinuxMountReadWriteOncePod] [Beta] [FeatureGate:SELinuxChangePolicy] [Beta] [FeatureGate:SELinuxMount] [Beta] [Feature:OffByDefault] [sig-storage, Feature:SELinux, Serial, FeatureGate:SELinuxMountReadWriteOncePod, Beta, FeatureGate:SELinuxChangePolicy, FeatureGate:SELinuxMount, Feature:OffByDefault, BetaOffByDefault]" During execution, the test will create a directory `error_is_not_bumped_on_two_Pods_with_Recursive_policy_and_a_different_context_on_RWX_volume_FeatureGate_SELinuxMountReadWriteOncePod_Beta_FeatureGate_SELinuxChangePolicy_Beta_FeatureGate_SELinuxMount_Beta_Feature_OffByDefault_`, which has 226 characters and it's close to the limit (256).
56 lines
2.3 KiB
Go
56 lines
2.3 KiB
Go
/*
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Copyright 2025 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 utils
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestShortenFileName(t *testing.T) {
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tests := []struct {
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name string
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filename string
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expected string
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}{
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{
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name: "Shorter than max length",
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filename: "short file name",
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expected: "short file name",
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},
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{
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name: "Longer than max length, truncated",
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filename: "a very long string that has exactly 256 characters a very long string that has exactly 256 characters a very long string that has exactly 256 characters a very long string that has exactly 256 characters a very long string that has exactly 256 characters..",
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expected: "a very long string that has exactly 256 characters a very long string that has exactly 256 characters a very long string that has exactly 256 characters a very long string that has exactly 256 characters a very long string that has exactly 256 ch-ad31f675",
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},
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{
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name: "Exactly max length, not truncated",
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filename: "a very long string that has exactly 255 characters a very long string that has exactly 255 characters a very long string that has exactly 255 characters a very long string that has exactly 255 characters a very long string that has exactly 255 characters.",
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expected: "a very long string that has exactly 255 characters a very long string that has exactly 255 characters a very long string that has exactly 255 characters a very long string that has exactly 255 characters a very long string that has exactly 255 characters.",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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result := ShortenFileName(tt.filename)
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assert.Equal(t, tt.expected, result)
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assert.LessOrEqual(t, len(result), maxFileNameLength)
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})
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}
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}
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