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57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package contextx
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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 TestContextCancel(t *testing.T) {
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c := context.WithValue(context.Background(), "key", "value")
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c1, cancel := context.WithCancel(c)
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o := ValueOnlyFrom(c1)
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c2, cancel2 := context.WithCancel(o)
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defer cancel2()
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contexts := []context.Context{c1, c2}
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for _, c := range contexts {
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assert.NotNil(t, c.Done())
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assert.Nil(t, c.Err())
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select {
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case x := <-c.Done():
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t.Errorf("<-c.Done() == %v want nothing (it should block)", x)
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default:
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}
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}
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cancel()
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<-c1.Done()
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assert.Nil(t, o.Err())
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assert.Equal(t, context.Canceled, c1.Err())
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assert.NotEqual(t, context.Canceled, c2.Err())
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}
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func TestContextDeadline(t *testing.T) {
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c, cancel := context.WithDeadline(context.Background(), time.Now().Add(10*time.Millisecond))
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cancel()
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o := ValueOnlyFrom(c)
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select {
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case <-time.After(100 * time.Millisecond):
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case <-o.Done():
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t.Fatal("ValueOnlyContext: context should not have timed out")
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}
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c, _ = context.WithDeadline(context.Background(), time.Now().Add(10*time.Millisecond))
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o = ValueOnlyFrom(c)
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c, _ = context.WithDeadline(o, time.Now().Add(20*time.Millisecond))
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select {
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case <-time.After(100 * time.Millisecond):
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t.Fatal("ValueOnlyContext+Deadline: context should have timed out")
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case <-c.Done():
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}
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}
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