1 files changed, 96 insertions, 0 deletions
diff --git a/runsc/specutils/specutils_test.go b/runsc/specutils/specutils_test.go
new file mode 100644
index 000000000..ef293e608
--- /dev/null
+++ b/runsc/specutils/specutils_test.go
@@ -0,0 +1,96 @@
+// Copyright 2018 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package specutils
+
+import (
+	"fmt"
+	"os/exec"
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestWaitForReadyHappy(t *testing.T) {
+	cmd := exec.Command("/bin/sleep", "1000")
+	if err := cmd.Start(); err != nil {
+		t.Fatalf("cmd.Start() failed, err: %v", err)
+	}
+	defer cmd.Wait()
+
+	var count int
+	err := WaitForReady(cmd.Process.Pid, 5*time.Second, func() (bool, error) {
+		if count < 3 {
+			count++
+			return false, nil
+		}
+		return true, nil
+	})
+	if err != nil {
+		t.Errorf("ProcessWaitReady got: %v, expected: nil", err)
+	}
+	cmd.Process.Kill()
+}
+
+func TestWaitForReadyFail(t *testing.T) {
+	cmd := exec.Command("/bin/sleep", "1000")
+	if err := cmd.Start(); err != nil {
+		t.Fatalf("cmd.Start() failed, err: %v", err)
+	}
+	defer cmd.Wait()
+
+	var count int
+	err := WaitForReady(cmd.Process.Pid, 5*time.Second, func() (bool, error) {
+		if count < 3 {
+			count++
+			return false, nil
+		}
+		return false, fmt.Errorf("Fake error")
+	})
+	if err == nil {
+		t.Errorf("ProcessWaitReady got: nil, expected: error")
+	}
+	cmd.Process.Kill()
+}
+
+func TestWaitForReadyNotRunning(t *testing.T) {
+	cmd := exec.Command("/bin/true")
+	if err := cmd.Start(); err != nil {
+		t.Fatalf("cmd.Start() failed, err: %v", err)
+	}
+	defer cmd.Wait()
+
+	err := WaitForReady(cmd.Process.Pid, 5*time.Second, func() (bool, error) {
+		return false, nil
+	})
+	if !strings.Contains(err.Error(), "not running") {
+		t.Errorf("ProcessWaitReady got: %v, expected: not running", err)
+	}
+}
+
+func TestWaitForReadyTimeout(t *testing.T) {
+	cmd := exec.Command("/bin/sleep", "1000")
+	if err := cmd.Start(); err != nil {
+		t.Fatalf("cmd.Start() failed, err: %v", err)
+	}
+	defer cmd.Wait()
+
+	err := WaitForReady(cmd.Process.Pid, 50*time.Millisecond, func() (bool, error) {
+		return false, nil
+	})
+	if !strings.Contains(err.Error(), "timed out") {
+		t.Errorf("ProcessWaitReady got: %v, expected: timed out", err)
+	}
+	cmd.Process.Kill()
+}