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Merge pull request #2490 from mistio/cluster-autoscaler-packet-tests
Add tests for Packet
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79 changes: 79 additions & 0 deletions
79
cluster-autoscaler/cloudprovider/packet/packet_manager_rest_test.go
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100 changes: 100 additions & 0 deletions
100
cluster-autoscaler/cloudprovider/packet/packet_node_group_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package packet | ||
|
|
||
| import ( | ||
| "os" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
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| apiv1 "k8s.io/api/core/v1" | ||
| . "k8s.io/autoscaler/cluster-autoscaler/utils/test" | ||
|
|
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| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/mock" | ||
| ) | ||
|
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| func TestIncreaseDecreaseSize(t *testing.T) { | ||
| var m *packetManagerRest | ||
| server := NewHttpServerMock() | ||
| defer server.Close() | ||
| assert.Equal(t, true, true) | ||
| if len(os.Getenv("PACKET_AUTH_TOKEN")) > 0 { | ||
| // If auth token set in env, hit the actual Packet API | ||
| m = newTestPacketManagerRest(t, "https://api.packet.net") | ||
| } else { | ||
| // Set up a mock Packet API | ||
| m = newTestPacketManagerRest(t, server.URL) | ||
| server.On("handle", "/projects/"+m.projectID+"/devices").Return(listPacketDevicesResponse).Times(4) | ||
| server.On("handle", "/projects/"+m.projectID+"/devices").Return(listPacketDevicesResponseAfterCreate).Times(2) | ||
| server.On("handle", "/projects/"+m.projectID+"/devices").Return(listPacketDevicesResponse) | ||
| } | ||
| clusterUpdateLock := sync.Mutex{} | ||
| ng := &packetNodeGroup{ | ||
| packetManager: m, | ||
| id: "pool1", | ||
| clusterUpdateMutex: &clusterUpdateLock, | ||
| minSize: 1, | ||
| maxSize: 10, | ||
| targetSize: new(int), | ||
| waitTimeStep: 30 * time.Second, | ||
| deleteBatchingDelay: 2 * time.Second, | ||
| } | ||
|
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| n1, err := ng.Nodes() | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, int(1), len(n1)) | ||
|
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| // Try to increase pool with negative size, this should return an error | ||
| err = ng.IncreaseSize(-1) | ||
| assert.Error(t, err) | ||
|
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| // Now try to increase the pool size by 2, that should work | ||
| err = ng.IncreaseSize(2) | ||
| assert.NoError(t, err) | ||
|
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| if len(os.Getenv("PACKET_AUTH_TOKEN")) > 0 { | ||
| // If testing with actual API give it some time until the nodes bootstrap | ||
| time.Sleep(420 * time.Second) | ||
| } | ||
| n2, err := ng.packetManager.getNodeNames(ng.id) | ||
| assert.NoError(t, err) | ||
| // Assert that the nodepool size is now 3 | ||
| assert.Equal(t, int(3), len(n2)) | ||
|
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| // Let's try to delete the new nodes | ||
| nodes := []*apiv1.Node{} | ||
| for _, node := range n2 { | ||
| if node != "k8s-worker-1" { | ||
| nodes = append(nodes, BuildTestNode(node, 1000, 1000)) | ||
| } | ||
| } | ||
| err = ng.DeleteNodes(nodes) | ||
| assert.NoError(t, err) | ||
|
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| // Wait a few seconds if talking to the actual Packet API | ||
| if len(os.Getenv("PACKET_AUTH_TOKEN")) > 0 { | ||
| time.Sleep(10 * time.Second) | ||
| } | ||
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| // Make sure that there were no errors and the nodepool size is once again 1 | ||
| n3, err := ng.Nodes() | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, int(1), len(n3)) | ||
| mock.AssertExpectationsForObjects(t, server) | ||
| } |