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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/awslabs/volume-modifier-for-k8s/pkg/controller" | ||
| "github.com/golang/mock/gomock" | ||
| v1 "k8s.io/api/coordination/v1" | ||
| ) | ||
|
|
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| func TestSerialLeaseUpdate(t *testing.T) { | ||
| mockCtl := gomock.NewController(t) | ||
| defer mockCtl.Finish() | ||
|
|
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| mc := controller.NewMockModifyController(mockCtl) | ||
| podName := "test-pod" | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
|
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| localName := "test-pod" | ||
| fakeLocalLease := &v1.Lease{ | ||
| Spec: v1.LeaseSpec{ | ||
| HolderIdentity: &localName, | ||
| }, | ||
| } | ||
| fakeLocalLease.Name = "external-resizer-ebs-csi-aws-com" | ||
|
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| remoteName := "test2-pod" | ||
| fakeRemoteLease := &v1.Lease{ | ||
| Spec: v1.LeaseSpec{ | ||
| HolderIdentity: &remoteName, | ||
| }, | ||
| } | ||
| fakeRemoteLease.Name = "external-resizer-ebs-csi-aws-com" | ||
|
|
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| // Should do nothing | ||
| handleLeaseUpdate(fakeRemoteLease, podName, ctx, cancel, mc) | ||
| time.Sleep(1 * time.Second) | ||
|
|
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| // Should start controller | ||
| mc.EXPECT().Run(gomock.Any(), gomock.Eq(ctx)) | ||
| handleLeaseUpdate(fakeLocalLease, podName, ctx, cancel, mc) | ||
| time.Sleep(1 * time.Second) | ||
|
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| // Should do nothing (controller is already started) | ||
| handleLeaseUpdate(fakeLocalLease, podName, ctx, cancel, mc) | ||
| time.Sleep(1 * time.Second) | ||
|
|
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| // Should stop controller | ||
| handleLeaseUpdate(fakeRemoteLease, podName, ctx, cancel, mc) | ||
| time.Sleep(1 * time.Second) | ||
|
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| // Context should have been cancelled | ||
| select { | ||
| case <-ctx.Done(): | ||
| // Do nothing, this means the context is correctly cancelled | ||
| default: | ||
| t.Fatalf("Context is NOT cancelled/finished when it should be") | ||
| } | ||
|
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| // Should restart controller | ||
| mc.EXPECT().Run(gomock.Any(), gomock.Eq(ctx)) | ||
| handleLeaseUpdate(fakeLocalLease, podName, ctx, cancel, mc) | ||
| time.Sleep(1 * time.Second) | ||
|
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||
| // Context that was just passed to restarted controller should NOT be in a cancelled state | ||
| select { | ||
| case <-ctx.Done(): | ||
| t.Fatalf("Context is cancelled/finished when it shouldn't be") | ||
| default: | ||
| // Do nothing, this means the context is correctly alive | ||
| } | ||
| } |
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