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watchtower/internal/actions/update_test.go

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package actions_test
import (
"github.com/containrrr/watchtower/internal/actions"
"github.com/containrrr/watchtower/pkg/container"
"github.com/containrrr/watchtower/pkg/container/mocks"
"github.com/containrrr/watchtower/pkg/types"
container2 "github.com/docker/docker/api/types/container"
cli "github.com/docker/docker/client"
"time"
. "github.com/containrrr/watchtower/internal/actions/mocks"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("the update action", func() {
var dockerClient cli.CommonAPIClient
var client MockClient
BeforeEach(func() {
server := mocks.NewMockAPIServer()
dockerClient, _ = cli.NewClientWithOpts(
cli.WithHost(server.URL),
cli.WithHTTPClient(server.Client()))
})
When("watchtower has been instructed to clean up", func() {
BeforeEach(func() {
pullImages := false
removeVolumes := false
client = CreateMockClient(
&TestData{
NameOfContainerToKeep: "test-container-02",
Containers: []container.Container{
CreateMockContainer(
"test-container-01",
"test-container-01",
"fake-image:latest",
time.Now().AddDate(0, 0, -1)),
CreateMockContainer(
"test-container-02",
"test-container-02",
"fake-image:latest",
time.Now()),
CreateMockContainer(
"test-container-02",
"test-container-02",
"fake-image:latest",
time.Now()),
},
},
dockerClient,
pullImages,
removeVolumes,
)
})
When("there are multiple containers using the same image", func() {
It("should only try to remove the image once", func() {
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err := actions.Update(client, types.UpdateParams{Cleanup: true})
Expect(err).NotTo(HaveOccurred())
Expect(client.TestData.TriedToRemoveImageCount).To(Equal(1))
})
})
When("there are multiple containers using different images", func() {
It("should try to remove each of them", func() {
client.TestData.Containers = append(
client.TestData.Containers,
CreateMockContainer(
"unique-test-container",
"unique-test-container",
"unique-fake-image:latest",
time.Now(),
),
)
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err := actions.Update(client, types.UpdateParams{Cleanup: true})
Expect(err).NotTo(HaveOccurred())
Expect(client.TestData.TriedToRemoveImageCount).To(Equal(2))
})
})
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When("performing a rolling restart update", func() {
It("should try to remove the image once", func() {
err := actions.Update(client, types.UpdateParams{Cleanup: true, RollingRestart: true})
Expect(err).NotTo(HaveOccurred())
Expect(client.TestData.TriedToRemoveImageCount).To(Equal(1))
})
})
})
When("watchtower has been instructed to monitor only", func() {
When("certain containers are set to monitor only", func() {
BeforeEach(func() {
client = CreateMockClient(
&TestData{
NameOfContainerToKeep: "test-container-02",
Containers: []container.Container{
CreateMockContainer(
"test-container-01",
"test-container-01",
"fake-image1:latest",
time.Now()),
CreateMockContainerWithConfig(
"test-container-02",
"test-container-02",
"fake-image2:latest",
time.Now(),
&container2.Config{
Labels: map[string]string{
"com.centurylinklabs.watchtower.monitor-only": "true",
},
}),
},
},
dockerClient,
false,
false,
)
})
It("should not update those containers", func() {
err := actions.Update(client, types.UpdateParams{Cleanup: true})
Expect(err).NotTo(HaveOccurred())
Expect(client.TestData.TriedToRemoveImageCount).To(Equal(1))
})
})
When("monitor only is set globally", func() {
BeforeEach(func() {
client = CreateMockClient(
&TestData{
Containers: []container.Container{
CreateMockContainer(
"test-container-01",
"test-container-01",
"fake-image:latest",
time.Now()),
CreateMockContainer(
"test-container-02",
"test-container-02",
"fake-image:latest",
time.Now()),
},
},
dockerClient,
false,
false,
)
})
It("should not update any containers", func() {
err := actions.Update(client, types.UpdateParams{MonitorOnly: true})
Expect(err).NotTo(HaveOccurred())
Expect(client.TestData.TriedToRemoveImageCount).To(Equal(0))
})
})
})
})