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100 lines
2.8 KiB
Go
100 lines
2.8 KiB
Go
package mocks
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import (
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"errors"
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"fmt"
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"github.com/containrrr/watchtower/pkg/container"
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"time"
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t "github.com/containrrr/watchtower/pkg/types"
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cli "github.com/docker/docker/client"
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)
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// MockClient is a mock that passes as a watchtower Client
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type MockClient struct {
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TestData *TestData
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api cli.CommonAPIClient
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pullImages bool
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removeVolumes bool
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}
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// TestData is the data used to perform the test
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type TestData struct {
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TriedToRemoveImageCount int
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NameOfContainerToKeep string
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Containers []container.Container
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}
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// TriedToRemoveImage is a test helper function to check whether RemoveImageByID has been called
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func (testdata *TestData) TriedToRemoveImage() bool {
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return testdata.TriedToRemoveImageCount > 0
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}
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// CreateMockClient creates a mock watchtower Client for usage in tests
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func CreateMockClient(data *TestData, api cli.CommonAPIClient, pullImages bool, removeVolumes bool) MockClient {
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return MockClient{
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data,
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api,
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pullImages,
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removeVolumes,
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}
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}
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// ListContainers is a mock method returning the provided container testdata
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func (client MockClient) ListContainers(_ t.Filter) ([]container.Container, error) {
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return client.TestData.Containers, nil
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}
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// StopContainer is a mock method
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func (client MockClient) StopContainer(c container.Container, _ time.Duration) error {
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if c.Name() == client.TestData.NameOfContainerToKeep {
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return errors.New("tried to stop the instance we want to keep")
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}
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return nil
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}
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// StartContainer is a mock method
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func (client MockClient) StartContainer(_ container.Container) (t.ContainerID, error) {
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return "", nil
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}
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// RenameContainer is a mock method
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func (client MockClient) RenameContainer(_ container.Container, _ string) error {
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return nil
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}
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// RemoveImageByID increments the TriedToRemoveImageCount on being called
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func (client MockClient) RemoveImageByID(_ t.ImageID) error {
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client.TestData.TriedToRemoveImageCount++
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return nil
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}
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// GetContainer is a mock method
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func (client MockClient) GetContainer(_ t.ContainerID) (container.Container, error) {
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return client.TestData.Containers[0], nil
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}
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// ExecuteCommand is a mock method
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func (client MockClient) ExecuteCommand(_ t.ContainerID, command string, _ int) (SkipUpdate bool, err error) {
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switch command {
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case "/PreUpdateReturn0.sh":
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return false, nil
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case "/PreUpdateReturn1.sh":
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return false, fmt.Errorf("command exited with code 1")
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case "/PreUpdateReturn75.sh":
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return true, nil
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default:
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return false, nil
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}
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}
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// IsContainerStale is always true for the mock client
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func (client MockClient) IsContainerStale(_ container.Container) (bool, t.ImageID, error) {
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return true, "", nil
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}
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// WarnOnHeadPullFailed is always true for the mock client
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func (client MockClient) WarnOnHeadPullFailed(_ container.Container) bool {
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return true
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}
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