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moby--moby
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Fix racy integration tests 

Do not run containers in the background in the integration tests if you
depend on the run completing.  It is better especially if you just want
to ensure that the run has completed with a `true` to just run in
foreground and use a known name for the container to query it after it
has stopped.

The failures can be reproduced on most machines by giving your dind
container one core and a cpushare.

docker run -c 200 --cpuset 0 -ti --rm --privileged -e
DOCKER_GRAPHDRIVER=vfs docker hack/make.sh binary test-integration-cli

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
This commit is contained in:
Michael Crosby 2014-10-21 22:48:32 +00:00
parent a07ee0db62
commit ba5370c116
1 changed files with 14 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
integration-cli/docker_api_containers_test.go
View File

@ -16,20 +16,21 @@ func TestContainerApiGetAll(t *testing.T) {
t.Fatalf("Cannot query container count: %v", err)
}
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
name := "getall"
runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "true")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatalf("Error on container creation: %v, output: %q", err, out)
}
testContainerId := stripTrailingCharacters(out)
body, err := sockRequest("GET", "/containers/json?all=1")
if err != nil {
t.Fatalf("GET all containers sockRequest failed: %v", err)
}
var inspectJSON []map[string]interface{}
var inspectJSON []struct {
Names []string
}
if err = json.Unmarshal(body, &inspectJSON); err != nil {
t.Fatalf("unable to unmarshal response body: %v", err)
}
@ -37,8 +38,9 @@ func TestContainerApiGetAll(t *testing.T) {
if len(inspectJSON) != startCount+1 {
t.Fatalf("Expected %d container(s), %d found (started with: %d)", startCount+1, len(inspectJSON), startCount)
}
if id, _ := inspectJSON[0]["Id"]; id != testContainerId {
t.Fatalf("Container ID mismatch. Expected: %s, received: %s\n", testContainerId, id)
if actual := inspectJSON[0].Names[0]; actual != "/"+name {
t.Fatalf("Container Name mismatch. Expected: %q, received: %q\n", "/"+name, actual)
}
deleteAllContainers()
@ -47,15 +49,14 @@ func TestContainerApiGetAll(t *testing.T) {
}
func TestContainerApiGetExport(t *testing.T) {
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "touch", "/test")
name := "exportcontainer"
runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "touch", "/test")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatalf("Error on container creation: %v, output: %q", err, out)
}
testContainerId := stripTrailingCharacters(out)
body, err := sockRequest("GET", "/containers/"+testContainerId+"/export")
body, err := sockRequest("GET", "/containers/"+name+"/export")
if err != nil {
t.Fatalf("GET containers/export sockRequest failed: %v", err)
}
@ -84,15 +85,14 @@ func TestContainerApiGetExport(t *testing.T) {
}
func TestContainerApiGetChanges(t *testing.T) {
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "rm", "/etc/passwd")
name := "changescontainer"
runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "rm", "/etc/passwd")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatalf("Error on container creation: %v, output: %q", err, out)
}
testContainerId := stripTrailingCharacters(out)
body, err := sockRequest("GET", "/containers/"+testContainerId+"/changes")
body, err := sockRequest("GET", "/containers/"+name+"/changes")
if err != nil {
t.Fatalf("GET containers/changes sockRequest failed: %v", err)
}