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watchtower/internal/actions/actions_suite_test.go

147 lines
3.8 KiB
Go

package actions_test
import (
"github.com/containrrr/watchtower/internal/actions"
"testing"
"time"
"github.com/containrrr/watchtower/pkg/container"
"github.com/containrrr/watchtower/pkg/container/mocks"
"github.com/docker/docker/api/types"
cli "github.com/docker/docker/client"
. "github.com/containrrr/watchtower/internal/actions/mocks"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
func TestActions(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Actions Suite")
}
var _ = Describe("the actions package", func() {
var dockerClient cli.CommonAPIClient
var client MockClient
BeforeSuite(func() {
server := mocks.NewMockAPIServer()
dockerClient, _ = cli.NewClientWithOpts(
cli.WithHost(server.URL),
cli.WithHTTPClient(server.Client()))
})
BeforeEach(func() {
pullImages := false
removeVolumes := false
client = CreateMockClient(
&TestData{},
dockerClient,
pullImages,
removeVolumes,
)
})
Describe("the check prerequisites method", func() {
When("given an empty array", func() {
It("should not do anything", func() {
client.TestData.Containers = []container.Container{}
err := actions.CheckForMultipleWatchtowerInstances(client, false, "")
Expect(err).NotTo(HaveOccurred())
})
})
When("given an array of one", func() {
It("should not do anything", func() {
client.TestData.Containers = []container.Container{
CreateMockContainer(
"test-container",
"test-container",
"watchtower",
time.Now()),
}
err := actions.CheckForMultipleWatchtowerInstances(client, false, "")
Expect(err).NotTo(HaveOccurred())
})
})
When("given multiple containers", func() {
BeforeEach(func() {
pullImages := false
removeVolumes := false
client = CreateMockClient(
&TestData{
NameOfContainerToKeep: "test-container-02",
Containers: []container.Container{
CreateMockContainer(
"test-container-01",
"test-container-01",
"watchtower",
time.Now().AddDate(0, 0, -1)),
CreateMockContainer(
"test-container-02",
"test-container-02",
"watchtower",
time.Now()),
},
},
dockerClient,
pullImages,
removeVolumes,
)
})
It("should stop all but the latest one", func() {
err := actions.CheckForMultipleWatchtowerInstances(client, false, "")
Expect(err).NotTo(HaveOccurred())
})
})
When("deciding whether to cleanup images", func() {
BeforeEach(func() {
pullImages := false
removeVolumes := false
client = CreateMockClient(
&TestData{
Containers: []container.Container{
CreateMockContainer(
"test-container-01",
"test-container-01",
"watchtower",
time.Now().AddDate(0, 0, -1)),
CreateMockContainer(
"test-container-02",
"test-container-02",
"watchtower",
time.Now()),
},
},
dockerClient,
pullImages,
removeVolumes,
)
})
It("should try to delete the image if the cleanup flag is true", func() {
err := actions.CheckForMultipleWatchtowerInstances(client, true, "")
Expect(err).NotTo(HaveOccurred())
Expect(client.TestData.TriedToRemoveImage()).To(BeTrue())
})
It("should not try to delete the image if the cleanup flag is false", func() {
err := actions.CheckForMultipleWatchtowerInstances(client, false, "")
Expect(err).NotTo(HaveOccurred())
Expect(client.TestData.TriedToRemoveImage()).To(BeFalse())
})
})
})
})
func createMockContainer(id string, name string, image string, created time.Time) container.Container {
content := types.ContainerJSON{
ContainerJSONBase: &types.ContainerJSONBase{
ID: id,
Image: image,
Name: name,
Created: created.String(),
},
}
return *container.NewContainer(&content, nil)
}