mirror of
https://github.com/containerd/containerd.git
synced 2026-11-06 13:27:16 +00:00
101 lines
2.2 KiB
Go
101 lines
2.2 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 cleanup
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestDo(t *testing.T) {
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t.Parallel()
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ctx, cancel := context.WithCancel(context.Background())
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var k struct{}
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v := "incontext"
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ctx = context.WithValue(ctx, k, v) //nolint:staticcheck
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assert.Nil(t, contextError(ctx))
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assert.Equal(t, ctx.Value(k), v)
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cancel()
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assert.Error(t, contextError(ctx))
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assert.Equal(t, ctx.Value(k), v)
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t.Run("with canceled context", func(t *testing.T) {
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t.Parallel()
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Do(ctx, func(ctx context.Context) {
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assert.NoError(t, contextError(ctx))
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assert.Equal(t, ctx.Value(k), v)
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})
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})
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t.Run("wrap with cancel", func(t *testing.T) {
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t.Parallel()
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Do(ctx, func(ctx context.Context) {
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ctx, cancelFn := context.WithCancel(ctx)
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cancelFn()
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assert.ErrorIs(t, contextError(ctx), context.Canceled)
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assert.Equal(t, ctx.Value(k), v)
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})
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})
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// canceled after 10 seconds
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t.Run("timeout", func(t *testing.T) {
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t.Parallel()
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done := make(chan struct{})
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called := make(chan struct{})
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Do(context.Background(), func(ctx context.Context) {
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close(called)
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select {
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case <-ctx.Done():
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close(done)
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case <-time.After(11 * time.Second):
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t.Error("context was not canceled in time")
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}
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})
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select {
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case <-done:
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// success
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case <-time.After(1 * time.Second):
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t.Error("timeout waiting for context cancellation")
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}
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select {
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case <-called:
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// success
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default:
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t.Error("do function was not called")
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}
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})
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}
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func contextError(ctx context.Context) error {
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select {
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case <-ctx.Done():
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return ctx.Err()
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default:
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return nil
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}
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}
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