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https://github.com/docker/cli.git
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Sebastiaan van Stijn
e47a5c7734
The output of this was not used in the tests, and shouldn't be needed as part of it. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
50 lines
890 B
Go
50 lines
890 B
Go
package jsonstream
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import (
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"context"
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"io"
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"testing"
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"time"
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"github.com/docker/cli/cli/streams"
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"gotest.tools/v3/assert"
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)
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func TestDisplay(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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t.Cleanup(cancel)
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client, server := io.Pipe()
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t.Cleanup(func() {
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assert.NilError(t, server.Close())
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})
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go func() {
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for range 100 {
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select {
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case <-ctx.Done():
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assert.NilError(t, server.Close(), "failed to close jsonmessage server")
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return
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default:
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time.Sleep(100 * time.Millisecond)
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}
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}
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}()
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streamCtx, cancelStream := context.WithCancel(context.Background())
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t.Cleanup(cancelStream)
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done := make(chan error)
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go func() {
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done <- Display(streamCtx, client, streams.NewOut(io.Discard))
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}()
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cancelStream()
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select {
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case <-time.After(time.Second * 3):
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case err := <-done:
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assert.ErrorIs(t, err, context.Canceled)
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}
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}
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