Initial commit

vendor/github.com/hyperhq/hypercli/pkg/progress/progressreader_test.go

@@ -0,0 +1,75 @@
+package progress
+
+import (
+	"bytes"
+	"io"
+	"io/ioutil"
+	"testing"
+)
+
+func TestOutputOnPrematureClose(t *testing.T) {
+	content := []byte("TESTING")
+	reader := ioutil.NopCloser(bytes.NewReader(content))
+	progressChan := make(chan Progress, 10)
+
+	pr := NewProgressReader(reader, ChanOutput(progressChan), int64(len(content)), "Test", "Read")
+
+	part := make([]byte, 4, 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 := ioutil.NopCloser(bytes.NewReader(content))
+	progressChan := make(chan Progress, 10)
+
+	pr := NewProgressReader(reader, ChanOutput(progressChan), int64(len(content)), "Test", "Read")
+
+	out, err := ioutil.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:
+	}
+}