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moby--moby/pkg/progress/progressreader_test.go
Eng Zer Jun c55a4ac779
refactor: move from io/ioutil to io and os package
The io/ioutil package has been deprecated in Go 1.16. This commit
replaces the existing io/ioutil functions with their new definitions in
io and os packages.

Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
2021-08-27 14:56:57 +08:00

74 lines
1.3 KiB
Go

package progress // import "github.com/docker/docker/pkg/progress"
import (
"bytes"
"io"
"testing"
)
func TestOutputOnPrematureClose(t *testing.T) {
content := []byte("TESTING")
reader := io.NopCloser(bytes.NewReader(content))
progressChan := make(chan Progress, 10)
pr := NewProgressReader(reader, ChanOutput(progressChan), int64(len(content)), "Test", "Read")
part := make([]byte, 4)
_, err := io.ReadFull(pr, part)
if err != nil {
pr.Close()
t.Fatal(err)
}
drainLoop:
for {
select {
case <-progressChan:
default:
break drainLoop
}
}
pr.Close()
select {
case <-progressChan:
default:
t.Fatalf("Expected some output when closing prematurely")
}
}
func TestCompleteSilently(t *testing.T) {
content := []byte("TESTING")
reader := io.NopCloser(bytes.NewReader(content))
progressChan := make(chan Progress, 10)
pr := NewProgressReader(reader, ChanOutput(progressChan), int64(len(content)), "Test", "Read")
out, err := io.ReadAll(pr)
if err != nil {
pr.Close()
t.Fatal(err)
}
if string(out) != "TESTING" {
pr.Close()
t.Fatalf("Unexpected output %q from reader", string(out))
}
drainLoop:
for {
select {
case <-progressChan:
default:
break drainLoop
}
}
pr.Close()
select {
case <-progressChan:
t.Fatalf("Should have closed silently when read is complete")
default:
}
}