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Merge pull request #61362 from bskiba/test-em-missing

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Automatic merge from submit-queue (batch tested with PRs 60373, 61098, 61352, 61359, 61362). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Add HPA test for FailedGetExternalMetric

**What this PR does / why we need it**:
Add a HPA test for missing external metrics.

**Release note**:

```
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2018-03-21 22:39:22 -07:00 committed by GitHub
commit 3d4cd0ace3
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1 changed files with 19 additions and 1 deletions
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20
pkg/controller/podautoscaler/horizontal_test.go
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@ -124,6 +124,7 @@ type testCase struct {
testClient *fake.Clientset
testMetricsClient *metricsfake.Clientset
testCMClient *cmfake.FakeCustomMetricsClient
testEMClient *emfake.FakeExternalMetricsClient
testScaleClient *scalefake.FakeScaleClient
}
@ -599,6 +600,9 @@ func (tc *testCase) setupController(t *testing.T) (*HorizontalController, inform
if tc.testCMClient != nil {
testCMClient = tc.testCMClient
}
if tc.testEMClient != nil {
testEMClient = tc.testEMClient
}
if tc.testScaleClient != nil {
testScaleClient = tc.testScaleClient
}
@ -1586,6 +1590,16 @@ func TestConditionFailedGetMetrics(t *testing.T) {
},
},
},
"FailedGetExternalMetric": {
{
Type: autoscalingv2.ExternalMetricSourceType,
External: &autoscalingv2.ExternalMetricSource{
MetricSelector: &metav1.LabelSelector{},
MetricName: "qps",
TargetValue: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
}
for reason, specs := range metricsTargets {
@ -1599,9 +1613,10 @@ func TestConditionFailedGetMetrics(t *testing.T) {
reportedCPURequests: []resource.Quantity{resource.MustParse("0.1"), resource.MustParse("0.1"), resource.MustParse("0.1")},
useMetricsAPI: true,
}
_, testMetricsClient, testCMClient, _, _ := tc.prepareTestClient(t)
_, testMetricsClient, testCMClient, testEMClient, _ := tc.prepareTestClient(t)
tc.testMetricsClient = testMetricsClient
tc.testCMClient = testCMClient
tc.testEMClient = testEMClient
testMetricsClient.PrependReactor("list", "pods", func(action core.Action) (handled bool, ret runtime.Object, err error) {
return true, &metricsapi.PodMetricsList{}, fmt.Errorf("something went wrong")
@ -1609,6 +1624,9 @@ func TestConditionFailedGetMetrics(t *testing.T) {
testCMClient.PrependReactor("get", "*", func(action core.Action) (handled bool, ret runtime.Object, err error) {
return true, &cmapi.MetricValueList{}, fmt.Errorf("something went wrong")
})
testEMClient.PrependReactor("list", "*", func(action core.Action) (handled bool, ret runtime.Object, err error) {
return true, &emapi.ExternalMetricValueList{}, fmt.Errorf("something went wrong")
})
tc.expectedConditions = []autoscalingv1.HorizontalPodAutoscalerCondition{
{Type: autoscalingv1.AbleToScale, Status: v1.ConditionTrue, Reason: "SucceededGetScale"},