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authorFabricio Voznika <fvoznika@google.com>2018-05-03 21:08:38 -0700
committerShentubot <shentubot@google.com>2018-05-03 21:09:31 -0700
commitc186ebb62a6005288d83feed0e43cca9f0577383 (patch)
treec36a976d6aaec2d09435f96fb0cbd4e0168d9bba /runsc/specutils/specutils_test.go
parent58235b1840db01aa2ede311efa782eac60767722 (diff)
Return error when child exits early
PiperOrigin-RevId: 195365050 Change-Id: I8754dc7a3fc2975d422cae453762a455478a8e6a
Diffstat (limited to 'runsc/specutils/specutils_test.go')
-rw-r--r--runsc/specutils/specutils_test.go96
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()
+}