Add tests for RunInDirTimeoutPipeline (#42)

Author: typeless

command_test.go

@@ -0,0 +1,43 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+// +build race
+
+package git
+
+import (
+	"testing"
+	"time"
+)
+
+func TestRunInDirTimeoutPipelineNoTimeout(t *testing.T) {
+
+	maxLoops := 1000
+
+	// 'git --version' does not block so it must be finished before the timeout triggered.
+	cmd := NewCommand("--version")
+	for i := 0; i < maxLoops; i++ {
+		if err := cmd.RunInDirTimeoutPipeline(-1, "", nil, nil); err != nil {
+			t.Fatal(err)
+		}
+	}
+}
+
+func TestRunInDirTimeoutPipelineAlwaysTimeout(t *testing.T) {
+
+	maxLoops := 1000
+
+	// 'git hash-object --stdin' blocks on stdin so we can have the timeout triggered.
+	cmd := NewCommand("hash-object --stdin")
+	for i := 0; i < maxLoops; i++ {
+		if err := cmd.RunInDirTimeoutPipeline(1*time.Microsecond, "", nil, nil); err != nil {
+			// 'context deadline exceeded' when the error is returned by exec.Start
+			// 'signal: killed' when the error is returned by exec.Wait
+			//  It depends on the point of the time (before or after exec.Start returns) at which the timeout is triggered.
+			if err.Error() != "context deadline exceeded" && err.Error() != "signal: killed" {
+				t.Fatalf("Testing %d/%d: %v", i, maxLoops, err)
+			}
+		}
+	}
+}