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rest_test.go
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rest_test.go
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package instantiate
import (
"testing"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
clientgotesting "k8s.io/client-go/testing"
kapi "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/fake"
"github.com/openshift/origin/pkg/client/testclient"
deployapi "github.com/openshift/origin/pkg/deploy/apis/apps"
_ "github.com/openshift/origin/pkg/deploy/apis/apps/install"
deploytest "github.com/openshift/origin/pkg/deploy/apis/apps/test"
deployv1 "github.com/openshift/origin/pkg/deploy/apis/apps/v1"
deployutil "github.com/openshift/origin/pkg/deploy/util"
imageapi "github.com/openshift/origin/pkg/image/apis/image"
)
var codec = kapi.Codecs.LegacyCodec(deployv1.SchemeGroupVersion)
// TestProcess_changeForNonAutomaticTag ensures that an image update for which
// there is a matching trigger results in a no-op due to the trigger's
// automatic flag being set to false or updates the config if forced.
func TestProcess_changeForNonAutomaticTag(t *testing.T) {
tests := []struct {
name string
force bool
excludes []deployapi.DeploymentTriggerType
expected bool
expectedErr bool
}{
{
name: "normal update",
force: false,
expected: false,
expectedErr: false,
},
{
name: "forced update but excluded",
force: true,
excludes: []deployapi.DeploymentTriggerType{deployapi.DeploymentTriggerOnImageChange},
expected: false,
expectedErr: false,
},
{
name: "forced update",
force: true,
expected: true,
expectedErr: false,
},
}
for _, test := range tests {
config := deploytest.OkDeploymentConfig(1)
config.Namespace = metav1.NamespaceDefault
config.Spec.Triggers[0].ImageChangeParams.Automatic = false
// The image has been resolved at least once before.
config.Spec.Triggers[0].ImageChangeParams.LastTriggeredImage = deploytest.DockerImageReference
stream := deploytest.OkStreamForConfig(config)
config.Spec.Triggers[0].ImageChangeParams.LastTriggeredImage = "someotherresolveddockerimagereference"
fake := &testclient.Fake{}
fake.AddReactor("get", "imagestreams", func(action clientgotesting.Action) (handled bool, ret runtime.Object, err error) {
if !test.expected {
t.Errorf("unexpected imagestream call")
}
return true, stream, nil
})
image := config.Spec.Template.Spec.Containers[0].Image
// Force equals to false; we shouldn't update the config anyway
err := processTriggers(config, fake, test.force, test.excludes)
if err == nil && test.expectedErr {
t.Errorf("%s: expected an error", test.name)
continue
}
if err != nil && !test.expectedErr {
t.Errorf("%s: unexpected error: %v", test.name, err)
continue
}
if test.expected && config.Spec.Template.Spec.Containers[0].Image == image {
t.Errorf("%s: expected an image update but got none", test.name)
} else if !test.expected && config.Spec.Template.Spec.Containers[0].Image != image {
t.Errorf("%s: didn't expect an image update but got %s", test.name, image)
}
}
}
// TestProcess_changeForUnregisteredTag ensures that an image update for which
// there is a matching trigger results in a no-op due to the tag specified on
// the trigger not matching the tags defined on the image stream.
func TestProcess_changeForUnregisteredTag(t *testing.T) {
config := deploytest.OkDeploymentConfig(0)
stream := deploytest.OkStreamForConfig(config)
// The image has been resolved at least once before.
config.Spec.Triggers[0].ImageChangeParams.From.Name = imageapi.JoinImageStreamTag(stream.Name, "unrelatedtag")
fake := &testclient.Fake{}
fake.AddReactor("get", "imagestreams", func(action clientgotesting.Action) (handled bool, ret runtime.Object, err error) {
return true, stream, nil
})
image := config.Spec.Template.Spec.Containers[0].Image
// verify no-op; should be the same for force=true and force=false
if err := processTriggers(config, fake, false, nil); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if image != config.Spec.Template.Spec.Containers[0].Image {
t.Fatalf("unexpected image update: %#v", config.Spec.Template.Spec.Containers[0].Image)
}
if err := processTriggers(config, fake, true, nil); err != nil {
t.Fatalf("unexpected error when forced: %v", err)
}
if image != config.Spec.Template.Spec.Containers[0].Image {
t.Fatalf("unexpected image update when forced: %#v", config.Spec.Template.Spec.Containers[0].Image)
}
}
// TestProcess_matchScenarios comprehensively tests trigger definitions against
// image stream updates to ensure that the image change triggers match (or don't
// match) properly.
func TestProcess_matchScenarios(t *testing.T) {
tests := []struct {
name string
param *deployapi.DeploymentTriggerImageChangeParams
containerImageFunc func() string
notFound bool
expected bool
}{
{
name: "automatic=true, initial trigger, explicit namespace",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: true,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Namespace: metav1.NamespaceDefault, Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: "",
},
expected: true,
},
{
name: "automatic=true, initial trigger, implicit namespace",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: true,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: "",
},
expected: true,
},
{
name: "automatic=false, initial trigger",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: false,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Namespace: metav1.NamespaceDefault, Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: "",
},
expected: false,
},
{
name: "(no-op) automatic=false, already triggered",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: false,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Namespace: metav1.NamespaceDefault, Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: deploytest.DockerImageReference,
},
expected: false,
},
{
name: "(no-op) automatic=true, image is already deployed",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: true,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: deploytest.DockerImageReference,
},
expected: false,
},
{
name: "(no-op) trigger doesn't match the stream",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: true,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Namespace: metav1.NamespaceDefault, Name: imageapi.JoinImageStreamTag("other-stream", imageapi.DefaultImageTag)},
LastTriggeredImage: "",
},
notFound: true,
expected: false,
},
{
name: "allow lastTriggeredImage to resolve",
containerImageFunc: func() string {
image := "registry:5000/openshift/test-image-stream@sha256:0000000000000000000000000000000000000000000000000000000000000001"
return image
},
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: true,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: "",
},
notFound: false,
expected: true,
},
}
for i := range tests {
test := tests[i]
t.Logf("running test %q", test.name)
fake := &testclient.Fake{}
fake.AddReactor("get", "imagestreams", func(action clientgotesting.Action) (handled bool, ret runtime.Object, err error) {
if test.notFound {
name := action.(clientgotesting.GetAction).GetName()
return true, nil, errors.NewNotFound(imageapi.Resource("ImageStream"), name)
}
stream := fakeStream(deploytest.ImageStreamName, imageapi.DefaultImageTag, deploytest.DockerImageReference, deploytest.ImageID)
return true, stream, nil
})
config := deploytest.OkDeploymentConfig(1)
config.Namespace = metav1.NamespaceDefault
config.Spec.Triggers = []deployapi.DeploymentTriggerPolicy{
{
Type: deployapi.DeploymentTriggerOnImageChange,
ImageChangeParams: test.param,
},
}
if test.containerImageFunc != nil {
config.Spec.Template.Spec.Containers[0].Image = test.containerImageFunc()
}
image := config.Spec.Template.Spec.Containers[0].Image
err := processTriggers(config, fake, false, nil)
if err != nil {
t.Errorf("unexpected error: %v", err)
continue
}
if test.containerImageFunc == nil && test.expected && config.Spec.Template.Spec.Containers[0].Image == image {
t.Errorf("%s: expected an image update but got none", test.name)
continue
}
if !test.expected && config.Spec.Template.Spec.Containers[0].Image != image {
t.Errorf("%s: didn't expect an image update but got %s", test.name, image)
continue
}
if test.containerImageFunc != nil && image != config.Spec.Triggers[0].ImageChangeParams.LastTriggeredImage {
t.Errorf("%s: expected a lastTriggeredImage update to %q, got none", test.name, image)
}
}
}
func fakeStream(name, tag, dir, image string) *imageapi.ImageStream {
return &imageapi.ImageStream{
ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: metav1.NamespaceDefault},
Status: imageapi.ImageStreamStatus{
Tags: map[string]imageapi.TagEventList{
tag: {
Items: []imageapi.TagEvent{
{
DockerImageReference: dir,
Image: image,
},
},
},
},
},
}
}
func TestCanTrigger(t *testing.T) {
tests := []struct {
name string
config *deployapi.DeploymentConfig
decoded *deployapi.DeploymentConfig
force bool
expected bool
expectedCauses []deployapi.DeploymentCause
expectedErr bool
}{
{
name: "no trigger [w/ podtemplate change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Triggers: []deployapi.DeploymentTriggerPolicy{},
Template: deploytest.OkPodTemplateChanged(),
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Triggers: []deployapi.DeploymentTriggerPolicy{},
Template: deploytest.OkPodTemplate(),
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
force: false,
expected: false,
expectedCauses: nil,
},
{
name: "forced updated",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(),
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
force: true,
expected: true,
expectedCauses: []deployapi.DeploymentCause{{Type: deployapi.DeploymentTriggerManual}},
},
{
name: "config change trigger only [w/ podtemplate change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
force: false,
expected: true,
expectedCauses: deploytest.OkConfigChangeDetails().Causes,
},
{
name: "config change trigger only [no change][initial]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
},
},
Status: deploytest.OkDeploymentConfigStatus(0),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
},
},
Status: deploytest.OkDeploymentConfigStatus(0),
},
force: false,
expected: true,
expectedCauses: deploytest.OkConfigChangeDetails().Causes,
},
{
name: "config change trigger only [no change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
force: false,
expected: false,
expectedCauses: nil,
},
{
name: "image change trigger only [automatic=false][w/ podtemplate change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(), // Irrelevant change
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkNonAutomaticICT(), // Image still to be resolved but it's false anyway
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkNonAutomaticICT(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
force: false,
expected: false,
expectedCauses: nil,
expectedErr: true,
},
{
name: "image change trigger only [automatic=false][w/ image change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(), // Image has been updated in the template but automatic=false
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkTriggeredNonAutomatic(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkNonAutomaticICT(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
force: false,
expected: false,
expectedCauses: nil,
},
{
name: "image change trigger only [automatic=true][w/ image change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkTriggeredImageChange(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkImageChangeTrigger(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
force: false,
expected: true,
expectedCauses: deploytest.OkImageChangeDetails().Causes,
},
{
name: "image change trigger only [automatic=true][no change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkTriggeredImageChange(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkTriggeredImageChange(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
force: false,
expected: false,
expectedCauses: nil,
},
{
name: "config change and image change trigger [automatic=false][initial][w/ image change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
deploytest.OkTriggeredNonAutomatic(),
},
},
Status: deploytest.OkDeploymentConfigStatus(0),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
deploytest.OkNonAutomaticICT(),
},
},
Status: deploytest.OkDeploymentConfigStatus(0),
},
force: false,
expected: true,
expectedCauses: deploytest.OkConfigChangeDetails().Causes,
},
{
name: "config change and image change trigger [automatic=false][initial][no change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
deploytest.OkNonAutomaticICT(), // Image is not resolved yet
},
},
Status: deploytest.OkDeploymentConfigStatus(0),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
deploytest.OkNonAutomaticICT(),
},
},
Status: deploytest.OkDeploymentConfigStatus(0),
},
force: false,
expected: false,
expectedCauses: nil,
expectedErr: true,
},
{
name: "config change and image change trigger [automatic=true][initial][w/ podtemplate change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(), // Pod template has changed but the image in the template is yet to be updated
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
deploytest.OkImageChangeTrigger(),
},
},
Status: deploytest.OkDeploymentConfigStatus(0),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
deploytest.OkImageChangeTrigger(),
},
},
Status: deploytest.OkDeploymentConfigStatus(0),
},
force: false,
expected: false,
expectedCauses: nil,
expectedErr: true,
},
{
name: "config change and image change trigger [automatic=true][initial][w/ image change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
deploytest.OkTriggeredImageChange(),
},
},
Status: deploytest.OkDeploymentConfigStatus(0),
},
decoded: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplate(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
deploytest.OkImageChangeTrigger(),
},
},
Status: deploytest.OkDeploymentConfigStatus(0),
},
force: false,
expected: true,
expectedCauses: deploytest.OkImageChangeDetails().Causes,
},
{
name: "config change and image change trigger [automatic=true][no change]",
config: &deployapi.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{Name: "config"},
Spec: deployapi.DeploymentConfigSpec{
Template: deploytest.OkPodTemplateChanged(),
Triggers: []deployapi.DeploymentTriggerPolicy{
deploytest.OkConfigChangeTrigger(),
deploytest.OkTriggeredImageChange(),
},
},
Status: deploytest.OkDeploymentConfigStatus(1),
},
force: false,
expected: false,
expectedCauses: nil,
},
}
for _, test := range tests {
t.Logf("running scenario %q", test.name)
client := &fake.Clientset{}
client.AddReactor("get", "replicationcontrollers", func(action clientgotesting.Action) (handled bool, ret runtime.Object, err error) {
config := test.decoded
if config == nil {
config = test.config
}
config = deploytest.RoundTripConfig(t, config)
deployment, _ := deployutil.MakeDeployment(config, codec)
return true, deployment, nil
})
test.config = deploytest.RoundTripConfig(t, test.config)
got, gotCauses, err := canTrigger(test.config, client.Core(), codec, test.force)
if err != nil && !test.expectedErr {
t.Errorf("unexpected error: %v", err)
continue
}
if err == nil && test.expectedErr {
t.Errorf("expected an error")
continue
}
if test.expected != got {
t.Errorf("expected to trigger: %t, got: %t", test.expected, got)
}
if !kapi.Semantic.DeepEqual(test.expectedCauses, gotCauses) {
t.Errorf("expected causes:\n%#v\ngot:\n%#v", test.expectedCauses, gotCauses)
}
}
}