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437 lines
12 KiB
Go
437 lines
12 KiB
Go
package container
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import (
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"errors"
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"testing"
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"time"
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"github.com/samalba/dockerclient"
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"github.com/samalba/dockerclient/mockclient"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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)
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func allContainers(Container) bool { return true }
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func noContainers(Container) bool { return false }
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func TestListContainers_Success(t *testing.T) {
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ci := &dockerclient.ContainerInfo{Image: "abc123", Config: &dockerclient.ContainerConfig{Image: "img"}}
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ii := &dockerclient.ImageInfo{}
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api := mockclient.NewMockClient()
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api.On("ListContainers", false, false, "").Return([]dockerclient.Container{{Id: "foo", Names: []string{"bar"}}}, nil)
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api.On("InspectContainer", "foo").Return(ci, nil)
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api.On("InspectImage", "abc123").Return(ii, nil)
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client := dockerClient{api: api}
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cs, err := client.ListContainers(allContainers)
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assert.NoError(t, err)
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assert.Len(t, cs, 1)
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assert.Equal(t, ci, cs[0].containerInfo)
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assert.Equal(t, ii, cs[0].imageInfo)
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api.AssertExpectations(t)
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}
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func TestListContainers_Filter(t *testing.T) {
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ci := &dockerclient.ContainerInfo{Image: "abc123", Config: &dockerclient.ContainerConfig{Image: "img"}}
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ii := &dockerclient.ImageInfo{}
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api := mockclient.NewMockClient()
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api.On("ListContainers", false, false, "").Return([]dockerclient.Container{{Id: "foo", Names: []string{"bar"}}}, nil)
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api.On("InspectContainer", "foo").Return(ci, nil)
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api.On("InspectImage", "abc123").Return(ii, nil)
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client := dockerClient{api: api}
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cs, err := client.ListContainers(noContainers)
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assert.NoError(t, err)
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assert.Len(t, cs, 0)
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api.AssertExpectations(t)
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}
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func TestListContainers_ListError(t *testing.T) {
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api := mockclient.NewMockClient()
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api.On("ListContainers", false, false, "").Return([]dockerclient.Container{}, errors.New("oops"))
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client := dockerClient{api: api}
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_, err := client.ListContainers(allContainers)
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assert.Error(t, err)
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assert.EqualError(t, err, "oops")
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api.AssertExpectations(t)
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}
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func TestListContainers_InspectContainerError(t *testing.T) {
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api := mockclient.NewMockClient()
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api.On("ListContainers", false, false, "").Return([]dockerclient.Container{{Id: "foo", Names: []string{"bar"}}}, nil)
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api.On("InspectContainer", "foo").Return(&dockerclient.ContainerInfo{}, errors.New("uh-oh"))
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client := dockerClient{api: api}
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_, err := client.ListContainers(allContainers)
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assert.Error(t, err)
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assert.EqualError(t, err, "uh-oh")
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api.AssertExpectations(t)
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}
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func TestListContainers_InspectImageError(t *testing.T) {
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ci := &dockerclient.ContainerInfo{Image: "abc123", Config: &dockerclient.ContainerConfig{Image: "img"}}
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ii := &dockerclient.ImageInfo{}
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api := mockclient.NewMockClient()
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api.On("ListContainers", false, false, "").Return([]dockerclient.Container{{Id: "foo", Names: []string{"bar"}}}, nil)
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api.On("InspectContainer", "foo").Return(ci, nil)
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api.On("InspectImage", "abc123").Return(ii, errors.New("whoops"))
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client := dockerClient{api: api}
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_, err := client.ListContainers(allContainers)
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assert.Error(t, err)
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assert.EqualError(t, err, "whoops")
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api.AssertExpectations(t)
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}
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func TestStopContainer_DefaultSuccess(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Id: "abc123",
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Config: &dockerclient.ContainerConfig{},
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},
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}
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ci := &dockerclient.ContainerInfo{
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State: &dockerclient.State{
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Running: false,
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},
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}
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api := mockclient.NewMockClient()
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api.On("KillContainer", "abc123", "SIGTERM").Return(nil)
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api.On("InspectContainer", "abc123").Return(ci, nil).Once()
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api.On("RemoveContainer", "abc123", true, false).Return(nil)
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api.On("InspectContainer", "abc123").Return(&dockerclient.ContainerInfo{}, errors.New("Not Found"))
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client := dockerClient{api: api}
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err := client.StopContainer(c, time.Second)
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assert.NoError(t, err)
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api.AssertExpectations(t)
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}
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func TestStopContainer_CustomSignalSuccess(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Id: "abc123",
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Config: &dockerclient.ContainerConfig{
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Labels: map[string]string{"com.centurylinklabs.watchtower.stop-signal": "SIGUSR1"}},
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},
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}
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ci := &dockerclient.ContainerInfo{
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State: &dockerclient.State{
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Running: false,
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},
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}
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api := mockclient.NewMockClient()
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api.On("KillContainer", "abc123", "SIGUSR1").Return(nil)
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api.On("InspectContainer", "abc123").Return(ci, nil).Once()
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api.On("RemoveContainer", "abc123", true, false).Return(nil)
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api.On("InspectContainer", "abc123").Return(&dockerclient.ContainerInfo{}, errors.New("Not Found"))
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client := dockerClient{api: api}
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err := client.StopContainer(c, time.Second)
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assert.NoError(t, err)
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api.AssertExpectations(t)
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}
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func TestStopContainer_KillContainerError(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Id: "abc123",
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Config: &dockerclient.ContainerConfig{},
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},
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}
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api := mockclient.NewMockClient()
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api.On("KillContainer", "abc123", "SIGTERM").Return(errors.New("oops"))
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client := dockerClient{api: api}
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err := client.StopContainer(c, time.Second)
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assert.Error(t, err)
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assert.EqualError(t, err, "oops")
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api.AssertExpectations(t)
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}
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func TestStopContainer_RemoveContainerError(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Id: "abc123",
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Config: &dockerclient.ContainerConfig{},
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},
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}
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api := mockclient.NewMockClient()
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api.On("KillContainer", "abc123", "SIGTERM").Return(nil)
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api.On("InspectContainer", "abc123").Return(&dockerclient.ContainerInfo{}, errors.New("dangit"))
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api.On("RemoveContainer", "abc123", true, false).Return(errors.New("whoops"))
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client := dockerClient{api: api}
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err := client.StopContainer(c, time.Second)
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assert.Error(t, err)
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assert.EqualError(t, err, "whoops")
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api.AssertExpectations(t)
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}
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func TestStartContainer_Success(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Config: &dockerclient.ContainerConfig{},
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HostConfig: &dockerclient.HostConfig{},
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},
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imageInfo: &dockerclient.ImageInfo{
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Config: &dockerclient.ContainerConfig{},
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},
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}
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api := mockclient.NewMockClient()
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api.On("CreateContainer", mock.AnythingOfType("*dockerclient.ContainerConfig"), "foo").Return("def789", nil)
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api.On("StartContainer", "def789", mock.AnythingOfType("*dockerclient.HostConfig")).Return(nil)
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client := dockerClient{api: api}
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err := client.StartContainer(c)
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assert.NoError(t, err)
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api.AssertExpectations(t)
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}
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func TestStartContainer_CreateContainerError(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Config: &dockerclient.ContainerConfig{},
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HostConfig: &dockerclient.HostConfig{},
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},
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imageInfo: &dockerclient.ImageInfo{
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Config: &dockerclient.ContainerConfig{},
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},
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}
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api := mockclient.NewMockClient()
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api.On("CreateContainer", mock.Anything, "foo").Return("", errors.New("oops"))
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client := dockerClient{api: api}
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err := client.StartContainer(c)
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assert.Error(t, err)
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assert.EqualError(t, err, "oops")
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api.AssertExpectations(t)
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}
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func TestStartContainer_StartContainerError(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Config: &dockerclient.ContainerConfig{},
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HostConfig: &dockerclient.HostConfig{},
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},
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imageInfo: &dockerclient.ImageInfo{
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Config: &dockerclient.ContainerConfig{},
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},
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}
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api := mockclient.NewMockClient()
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api.On("CreateContainer", mock.Anything, "foo").Return("def789", nil)
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api.On("StartContainer", "def789", mock.Anything).Return(errors.New("whoops"))
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client := dockerClient{api: api}
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err := client.StartContainer(c)
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assert.Error(t, err)
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assert.EqualError(t, err, "whoops")
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api.AssertExpectations(t)
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}
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func TestRenameContainer_Success(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Id: "abc123",
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},
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}
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api := mockclient.NewMockClient()
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api.On("RenameContainer", "abc123", "foo").Return(nil)
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client := dockerClient{api: api}
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err := client.RenameContainer(c, "foo")
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assert.NoError(t, err)
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api.AssertExpectations(t)
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}
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func TestRenameContainer_Error(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Id: "abc123",
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},
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}
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api := mockclient.NewMockClient()
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api.On("RenameContainer", "abc123", "foo").Return(errors.New("oops"))
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client := dockerClient{api: api}
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err := client.RenameContainer(c, "foo")
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assert.Error(t, err)
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assert.EqualError(t, err, "oops")
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api.AssertExpectations(t)
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}
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func TestIsContainerStale_NotStaleSuccess(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Config: &dockerclient.ContainerConfig{Image: "bar"},
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},
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imageInfo: &dockerclient.ImageInfo{Id: "abc123"},
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}
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newImageInfo := &dockerclient.ImageInfo{Id: "abc123"}
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api := mockclient.NewMockClient()
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api.On("PullImage", "bar:latest", mock.Anything).Return(nil)
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api.On("InspectImage", "bar:latest").Return(newImageInfo, nil)
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client := dockerClient{api: api, pullImages: true}
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stale, err := client.IsContainerStale(c)
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assert.NoError(t, err)
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assert.False(t, stale)
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api.AssertExpectations(t)
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}
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func TestIsContainerStale_StaleSuccess(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Config: &dockerclient.ContainerConfig{Image: "bar:1.0"},
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},
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imageInfo: &dockerclient.ImageInfo{Id: "abc123"},
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}
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newImageInfo := &dockerclient.ImageInfo{Id: "xyz789"}
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api := mockclient.NewMockClient()
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api.On("PullImage", "bar:1.0", mock.Anything).Return(nil)
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api.On("InspectImage", "bar:1.0").Return(newImageInfo, nil)
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client := dockerClient{api: api, pullImages: true}
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stale, err := client.IsContainerStale(c)
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assert.NoError(t, err)
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assert.True(t, stale)
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api.AssertExpectations(t)
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}
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func TestIsContainerStale_NoPullSuccess(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Config: &dockerclient.ContainerConfig{Image: "bar:1.0"},
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},
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imageInfo: &dockerclient.ImageInfo{Id: "abc123"},
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}
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newImageInfo := &dockerclient.ImageInfo{Id: "xyz789"}
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api := mockclient.NewMockClient()
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api.On("InspectImage", "bar:1.0").Return(newImageInfo, nil)
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client := dockerClient{api: api, pullImages: false}
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stale, err := client.IsContainerStale(c)
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assert.NoError(t, err)
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assert.True(t, stale)
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api.AssertExpectations(t)
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}
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func TestIsContainerStale_PullImageError(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Config: &dockerclient.ContainerConfig{Image: "bar:latest"},
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},
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imageInfo: &dockerclient.ImageInfo{Id: "abc123"},
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}
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api := mockclient.NewMockClient()
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api.On("PullImage", "bar:latest", mock.Anything).Return(errors.New("oops"))
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client := dockerClient{api: api, pullImages: true}
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_, err := client.IsContainerStale(c)
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assert.Error(t, err)
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assert.EqualError(t, err, "oops")
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api.AssertExpectations(t)
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}
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func TestIsContainerStale_InspectImageError(t *testing.T) {
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c := Container{
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containerInfo: &dockerclient.ContainerInfo{
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Name: "foo",
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Config: &dockerclient.ContainerConfig{Image: "bar:latest"},
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},
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imageInfo: &dockerclient.ImageInfo{Id: "abc123"},
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}
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newImageInfo := &dockerclient.ImageInfo{}
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api := mockclient.NewMockClient()
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api.On("PullImage", "bar:latest", mock.Anything).Return(nil)
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api.On("InspectImage", "bar:latest").Return(newImageInfo, errors.New("uh-oh"))
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client := dockerClient{api: api, pullImages: true}
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_, err := client.IsContainerStale(c)
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assert.Error(t, err)
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assert.EqualError(t, err, "uh-oh")
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api.AssertExpectations(t)
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}
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func TestRemoveImage_Success(t *testing.T) {
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c := Container{
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imageInfo: &dockerclient.ImageInfo{
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Id: "abc123",
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},
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}
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api := mockclient.NewMockClient()
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api.On("RemoveImage", "abc123").Return([]*dockerclient.ImageDelete{}, nil)
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client := dockerClient{api: api}
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err := client.RemoveImage(c)
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assert.NoError(t, err)
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api.AssertExpectations(t)
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}
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func TestRemoveImage_Error(t *testing.T) {
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c := Container{
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imageInfo: &dockerclient.ImageInfo{
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Id: "abc123",
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},
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}
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api := mockclient.NewMockClient()
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api.On("RemoveImage", "abc123").Return([]*dockerclient.ImageDelete{}, errors.New("oops"))
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client := dockerClient{api: api}
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err := client.RemoveImage(c)
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assert.Error(t, err)
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assert.EqualError(t, err, "oops")
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api.AssertExpectations(t)
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}
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