8ce3e4e159
Fixes https://github.com/containerd/containerd/issues/8200 Signed-off-by: Samuel Karp <samuelkarp@google.com>
93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
/*
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Copyright The containerd 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 epoch
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import (
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"os"
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"runtime"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func rightAfter(t1, t2 time.Time) bool {
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if runtime.GOOS == "windows" {
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// Low timer resolution on Windows
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return (t2.After(t1) && t2.Before(t1.Add(100*time.Millisecond))) || t2.Equal(t1)
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}
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return t2.After(t1) && t2.Before(t1.Add(10*time.Millisecond))
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}
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func TestSourceDateEpoch(t *testing.T) {
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if s, ok := os.LookupEnv(SourceDateEpochEnv); ok {
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t.Logf("%s is already set to %q, unsetting", SourceDateEpochEnv, s)
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// see https://github.com/golang/go/issues/52817#issuecomment-1131339120
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t.Setenv(SourceDateEpochEnv, "")
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os.Unsetenv(SourceDateEpochEnv)
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}
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t.Run("WithoutSourceDateEpoch", func(t *testing.T) {
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vp, err := SourceDateEpoch()
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require.NoError(t, err)
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require.Nil(t, vp)
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now := time.Now()
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v := SourceDateEpochOrNow()
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require.True(t, rightAfter(now, v))
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})
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t.Run("WithEmptySourceDateEpoch", func(t *testing.T) {
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t.Setenv(SourceDateEpochEnv, "")
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vp, err := SourceDateEpoch()
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require.NoError(t, err)
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require.Nil(t, vp)
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now := time.Now()
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v := SourceDateEpochOrNow()
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require.True(t, rightAfter(now, v))
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})
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t.Run("WithSourceDateEpoch", func(t *testing.T) {
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sourceDateEpoch, err := time.Parse(time.RFC3339, "2022-01-23T12:34:56Z")
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require.NoError(t, err)
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SetSourceDateEpoch(sourceDateEpoch)
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t.Cleanup(UnsetSourceDateEpoch)
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vp, err := SourceDateEpoch()
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require.NoError(t, err)
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require.True(t, vp.Equal(sourceDateEpoch))
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v := SourceDateEpochOrNow()
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require.True(t, v.Equal(sourceDateEpoch))
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})
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t.Run("WithInvalidSourceDateEpoch", func(t *testing.T) {
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t.Setenv(SourceDateEpochEnv, "foo")
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vp, err := SourceDateEpoch()
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require.ErrorContains(t, err, "invalid SOURCE_DATE_EPOCH value")
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require.Nil(t, vp)
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now := time.Now()
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v := SourceDateEpochOrNow()
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require.True(t, rightAfter(now, v))
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})
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}
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