pkg/controller/deployment: unit tests for syncRolloutStatus

Created unit tests for syncRolloutStatus function in the deployment package.
Tests for syncRolloutStatus have brought the overall test coverage of deployment/progress to 82.1%.

Signed-off-by: John Kelly <jekohk@gmail.com>
pull/6/head
John Kelly 2017-10-24 16:54:33 -04:00
parent fcf9b1f7e5
commit 9bf61e72b8
1 changed files with 170 additions and 0 deletions

View File

@ -23,6 +23,7 @@ import (
"k8s.io/api/core/v1"
extensions "k8s.io/api/extensions/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes/fake"
"k8s.io/client-go/util/workqueue"
"k8s.io/kubernetes/pkg/controller/deployment/util"
)
@ -54,6 +55,16 @@ func currentDeployment(pds *int32, replicas, statusReplicas, updatedReplicas, av
return d
}
// helper to create RS with given availableReplicas
func newRSWithAvailable(name string, specReplicas, statusReplicas, availableReplicas int) *extensions.ReplicaSet {
rs := rs(name, specReplicas, nil, metav1.Time{})
rs.Status = extensions.ReplicaSetStatus{
Replicas: int32(statusReplicas),
AvailableReplicas: int32(availableReplicas),
}
return rs
}
func TestRequeueStuckDeployment(t *testing.T) {
pds := int32(60)
failed := []extensions.DeploymentCondition{
@ -161,3 +172,162 @@ func TestRequeueStuckDeployment(t *testing.T) {
}
}
}
func TestSyncRolloutStatus(t *testing.T) {
pds := int32(60)
testTime := metav1.Date(2017, 2, 15, 18, 49, 00, 00, time.UTC)
failedTimedOut := extensions.DeploymentCondition{
Type: extensions.DeploymentProgressing,
Status: v1.ConditionFalse,
Reason: util.TimedOutReason,
}
newRSAvailable := extensions.DeploymentCondition{
Type: extensions.DeploymentProgressing,
Status: v1.ConditionTrue,
Reason: util.NewRSAvailableReason,
LastUpdateTime: testTime,
LastTransitionTime: testTime,
}
replicaSetUpdated := extensions.DeploymentCondition{
Type: extensions.DeploymentProgressing,
Status: v1.ConditionTrue,
Reason: util.ReplicaSetUpdatedReason,
LastUpdateTime: testTime,
LastTransitionTime: testTime,
}
tests := []struct {
name string
d *extensions.Deployment
allRSs []*extensions.ReplicaSet
newRS *extensions.ReplicaSet
conditionType extensions.DeploymentConditionType
conditionStatus v1.ConditionStatus
conditionReason string
lastUpdate metav1.Time
lastTransition metav1.Time
}{
{
name: "General: remove Progressing condition and do not estimate progress if deployment has no Progress Deadline",
d: currentDeployment(nil, 3, 2, 2, 2, []extensions.DeploymentCondition{replicaSetUpdated}),
allRSs: []*extensions.ReplicaSet{newRSWithAvailable("bar", 0, 1, 1)},
newRS: newRSWithAvailable("foo", 3, 2, 2),
},
{
name: "General: do not estimate progress of deployment with only one active ReplicaSet",
d: currentDeployment(&pds, 3, 3, 3, 3, []extensions.DeploymentCondition{newRSAvailable}),
allRSs: []*extensions.ReplicaSet{newRSWithAvailable("bar", 3, 3, 3)},
conditionType: extensions.DeploymentProgressing,
conditionStatus: v1.ConditionTrue,
conditionReason: util.NewRSAvailableReason,
lastUpdate: testTime,
lastTransition: testTime,
},
{
name: "DeploymentProgressing: dont update lastTransitionTime if deployment already has Progressing=True",
d: currentDeployment(&pds, 3, 2, 2, 2, []extensions.DeploymentCondition{replicaSetUpdated}),
allRSs: []*extensions.ReplicaSet{newRSWithAvailable("bar", 0, 1, 1)},
newRS: newRSWithAvailable("foo", 3, 2, 2),
conditionType: extensions.DeploymentProgressing,
conditionStatus: v1.ConditionTrue,
conditionReason: util.ReplicaSetUpdatedReason,
lastTransition: testTime,
},
{
name: "DeploymentProgressing: update everything if deployment has Progressing=False",
d: currentDeployment(&pds, 3, 2, 2, 2, []extensions.DeploymentCondition{failedTimedOut}),
allRSs: []*extensions.ReplicaSet{newRSWithAvailable("bar", 0, 1, 1)},
newRS: newRSWithAvailable("foo", 3, 2, 2),
conditionType: extensions.DeploymentProgressing,
conditionStatus: v1.ConditionTrue,
conditionReason: util.ReplicaSetUpdatedReason,
},
{
name: "DeploymentProgressing: create Progressing condition if it does not exist",
d: currentDeployment(&pds, 3, 2, 2, 2, []extensions.DeploymentCondition{}),
allRSs: []*extensions.ReplicaSet{newRSWithAvailable("bar", 0, 1, 1)},
newRS: newRSWithAvailable("foo", 3, 2, 2),
conditionType: extensions.DeploymentProgressing,
conditionStatus: v1.ConditionTrue,
conditionReason: util.ReplicaSetUpdatedReason,
},
{
name: "DeploymentComplete: dont update lastTransitionTime if deployment already has Progressing=True",
d: currentDeployment(&pds, 3, 3, 3, 3, []extensions.DeploymentCondition{replicaSetUpdated}),
allRSs: []*extensions.ReplicaSet{},
newRS: newRSWithAvailable("foo", 3, 3, 3),
conditionType: extensions.DeploymentProgressing,
conditionStatus: v1.ConditionTrue,
conditionReason: util.NewRSAvailableReason,
lastTransition: testTime,
},
{
name: "DeploymentComplete: update everything if deployment has Progressing=False",
d: currentDeployment(&pds, 3, 3, 3, 3, []extensions.DeploymentCondition{failedTimedOut}),
allRSs: []*extensions.ReplicaSet{},
newRS: newRSWithAvailable("foo", 3, 3, 3),
conditionType: extensions.DeploymentProgressing,
conditionStatus: v1.ConditionTrue,
conditionReason: util.NewRSAvailableReason,
},
{
name: "DeploymentComplete: create Progressing condition if it does not exist",
d: currentDeployment(&pds, 3, 3, 3, 3, []extensions.DeploymentCondition{}),
allRSs: []*extensions.ReplicaSet{},
newRS: newRSWithAvailable("foo", 3, 3, 3),
conditionType: extensions.DeploymentProgressing,
conditionStatus: v1.ConditionTrue,
conditionReason: util.NewRSAvailableReason,
},
{
name: "DeploymentTimedOut: update status if rollout exceeds Progress Deadline",
d: currentDeployment(&pds, 3, 2, 2, 2, []extensions.DeploymentCondition{replicaSetUpdated}),
allRSs: []*extensions.ReplicaSet{},
newRS: newRSWithAvailable("foo", 3, 2, 2),
conditionType: extensions.DeploymentProgressing,
conditionStatus: v1.ConditionFalse,
conditionReason: util.TimedOutReason,
},
{
name: "DeploymentTimedOut: do not update status if deployment has existing timedOut condition",
d: currentDeployment(&pds, 3, 2, 2, 2, []extensions.DeploymentCondition{failedTimedOut}),
allRSs: []*extensions.ReplicaSet{},
newRS: newRSWithAvailable("foo", 3, 2, 2),
conditionType: extensions.DeploymentProgressing,
conditionStatus: v1.ConditionFalse,
conditionReason: util.TimedOutReason,
lastUpdate: testTime,
lastTransition: testTime,
},
}
fake := fake.Clientset{}
dc := &DeploymentController{
client: &fake,
}
for _, test := range tests {
if test.newRS != nil {
test.allRSs = append(test.allRSs, test.newRS)
}
err := dc.syncRolloutStatus(test.allRSs, test.newRS, test.d)
if err != nil {
t.Error(err)
}
newCond := util.GetDeploymentCondition(test.d.Status, test.conditionType)
switch {
case newCond == nil:
if test.d.Spec.ProgressDeadlineSeconds != nil {
t.Errorf("%s: expected deployment condition: %s", test.name, test.conditionType)
}
case newCond.Status != test.conditionStatus || newCond.Reason != test.conditionReason:
t.Errorf("%s: DeploymentProgressing has status %s with reason %s. Expected %s with %s.", test.name, newCond.Status, newCond.Reason, test.conditionStatus, test.conditionReason)
case !test.lastUpdate.IsZero() && test.lastUpdate != testTime:
t.Errorf("%s: LastUpdateTime was changed to %s but expected %s;", test.name, test.lastUpdate, testTime)
case !test.lastTransition.IsZero() && test.lastTransition != testTime:
t.Errorf("%s: LastTransitionTime was changed to %s but expected %s;", test.name, test.lastTransition, testTime)
}
}
}