124 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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    http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package server
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import (
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	"fmt"
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	"testing"
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	"github.com/stretchr/testify/assert"
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	"golang.org/x/net/context"
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	"github.com/containerd/containerd/api/types/container"
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	"github.com/kubernetes-incubator/cri-containerd/pkg/metadata"
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	ostesting "github.com/kubernetes-incubator/cri-containerd/pkg/os/testing"
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	servertesting "github.com/kubernetes-incubator/cri-containerd/pkg/server/testing"
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	"k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
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)
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func TestRemovePodSandbox(t *testing.T) {
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	testID := "test-id"
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	testName := "test-name"
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	testMetadata := metadata.SandboxMetadata{
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		ID:   testID,
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		Name: testName,
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	}
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	for desc, test := range map[string]struct {
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		sandboxContainers   []container.Container
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		injectMetadata      bool
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		injectContainerdErr error
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		injectFSErr         error
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		expectErr           bool
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		expectRemoved       string
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		expectCalls         []string
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	}{
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		"should not return error if sandbox does not exist": {
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			injectMetadata: false,
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			expectErr:      false,
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			expectCalls:    []string{},
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		},
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		"should return error when sandbox container is not deleted": {
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			injectMetadata:    true,
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			sandboxContainers: []container.Container{{ID: testID}},
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			expectErr:         true,
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			expectCalls:       []string{"info"},
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		},
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		"should return error when arbitrary containerd error is injected": {
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			injectMetadata:      true,
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			injectContainerdErr: fmt.Errorf("arbitrary error"),
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			expectErr:           true,
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			expectCalls:         []string{"info"},
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		},
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		"should return error when error fs error is injected": {
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			injectMetadata: true,
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			injectFSErr:    fmt.Errorf("fs error"),
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			expectRemoved:  getSandboxRootDir(testRootDir, testID),
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			expectErr:      true,
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			expectCalls:    []string{"info"},
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		},
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		"should be able to successfully delete": {
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			injectMetadata: true,
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			expectRemoved:  getSandboxRootDir(testRootDir, testID),
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			expectCalls:    []string{"info"},
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		},
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	} {
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		t.Logf("TestCase %q", desc)
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		c := newTestCRIContainerdService()
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		fake := c.containerService.(*servertesting.FakeExecutionClient)
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		fakeOS := c.os.(*ostesting.FakeOS)
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		fake.SetFakeContainers(test.sandboxContainers)
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		if test.injectMetadata {
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			c.sandboxNameIndex.Reserve(testName, testID)
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			c.sandboxIDIndex.Add(testID)
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			c.sandboxStore.Create(testMetadata)
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		}
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		if test.injectContainerdErr != nil {
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			fake.InjectError("info", test.injectContainerdErr)
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		}
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		fakeOS.RemoveAllFn = func(path string) error {
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			assert.Equal(t, test.expectRemoved, path)
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			return test.injectFSErr
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		}
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		res, err := c.RemovePodSandbox(context.Background(), &runtime.RemovePodSandboxRequest{
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			PodSandboxId: testID,
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		})
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		assert.Equal(t, test.expectCalls, fake.GetCalledNames())
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		if test.expectErr {
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			assert.Error(t, err)
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			assert.Nil(t, res)
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			continue
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		}
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		assert.NoError(t, err)
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		assert.NotNil(t, res)
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		assert.NoError(t, c.sandboxNameIndex.Reserve(testName, testID),
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			"sandbox name should be released")
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		_, err = c.sandboxIDIndex.Get(testID)
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		assert.Error(t, err, "sandbox id should be removed")
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		meta, err := c.sandboxStore.Get(testID)
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		assert.Error(t, err)
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		assert.True(t, metadata.IsNotExistError(err))
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		assert.Nil(t, meta, "sandbox metadata should be removed")
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		res, err = c.RemovePodSandbox(context.Background(), &runtime.RemovePodSandboxRequest{
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			PodSandboxId: testID,
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		})
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		assert.NoError(t, err)
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		assert.NotNil(t, res, "remove should be idempotent")
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	}
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}
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