traefik/provider/docker/swarm_test.go
2017-12-05 19:40:04 +01:00

194 lines
5.5 KiB
Go

package docker
import (
"strconv"
"testing"
"time"
"github.com/davecgh/go-spew/spew"
docker "github.com/docker/docker/api/types"
dockertypes "github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
dockerclient "github.com/docker/docker/client"
"github.com/stretchr/testify/assert"
"golang.org/x/net/context"
)
type fakeTasksClient struct {
dockerclient.APIClient
tasks []swarm.Task
err error
}
func (c *fakeTasksClient) TaskList(ctx context.Context, options dockertypes.TaskListOptions) ([]swarm.Task, error) {
return c.tasks, c.err
}
func TestListTasks(t *testing.T) {
testCases := []struct {
service swarm.Service
tasks []swarm.Task
isGlobalSVC bool
expectedTasks []string
networks map[string]*docker.NetworkResource
}{
{
service: swarmService(serviceName("container")),
tasks: []swarm.Task{
swarmTask("id1", taskSlot(1), taskStatus(taskState(swarm.TaskStateRunning))),
swarmTask("id2", taskSlot(2), taskStatus(taskState(swarm.TaskStatePending))),
swarmTask("id3", taskSlot(3)),
swarmTask("id4", taskSlot(4), taskStatus(taskState(swarm.TaskStateRunning))),
swarmTask("id5", taskSlot(5), taskStatus(taskState(swarm.TaskStateFailed))),
},
isGlobalSVC: false,
expectedTasks: []string{
"container.1",
"container.4",
},
networks: map[string]*docker.NetworkResource{
"1": {
Name: "foo",
},
},
},
}
for caseID, test := range testCases {
test := test
t.Run(strconv.Itoa(caseID), func(t *testing.T) {
t.Parallel()
dockerData := parseService(test.service, test.networks)
dockerClient := &fakeTasksClient{tasks: test.tasks}
taskDockerData, _ := listTasks(context.Background(), dockerClient, test.service.ID, dockerData, map[string]*docker.NetworkResource{}, test.isGlobalSVC)
if len(test.expectedTasks) != len(taskDockerData) {
t.Errorf("expected tasks %v, got %v", spew.Sdump(test.expectedTasks), spew.Sdump(taskDockerData))
}
for i, taskID := range test.expectedTasks {
if taskDockerData[i].Name != taskID {
t.Errorf("expect task id %v, got %v", taskID, taskDockerData[i].Name)
}
}
})
}
}
type fakeServicesClient struct {
dockerclient.APIClient
dockerVersion string
networks []dockertypes.NetworkResource
services []swarm.Service
err error
}
func (c *fakeServicesClient) ServiceList(ctx context.Context, options dockertypes.ServiceListOptions) ([]swarm.Service, error) {
return c.services, c.err
}
func (c *fakeServicesClient) ServerVersion(ctx context.Context) (dockertypes.Version, error) {
return dockertypes.Version{APIVersion: c.dockerVersion}, c.err
}
func (c *fakeServicesClient) NetworkList(ctx context.Context, options dockertypes.NetworkListOptions) ([]dockertypes.NetworkResource, error) {
return c.networks, c.err
}
func TestListServices(t *testing.T) {
testCases := []struct {
desc string
services []swarm.Service
dockerVersion string
networks []dockertypes.NetworkResource
expectedServices []string
}{
{
desc: "Should return no service due to no networks defined",
services: []swarm.Service{
swarmService(
serviceName("service1"),
serviceLabels(map[string]string{
labelDockerNetwork: "barnet",
labelBackendLoadBalancerSwarm: "true",
}),
withEndpointSpec(modeVIP),
withEndpoint(
virtualIP("1", "10.11.12.13/24"),
virtualIP("2", "10.11.12.99/24"),
)),
swarmService(
serviceName("service2"),
serviceLabels(map[string]string{
labelDockerNetwork: "barnet",
}),
withEndpointSpec(modeDNSSR)),
},
dockerVersion: "1.30",
networks: []dockertypes.NetworkResource{},
expectedServices: []string{},
},
{
desc: "Should return only service1",
services: []swarm.Service{
swarmService(
serviceName("service1"),
serviceLabels(map[string]string{
labelDockerNetwork: "barnet",
labelBackendLoadBalancerSwarm: "true",
}),
withEndpointSpec(modeVIP),
withEndpoint(
virtualIP("yk6l57rfwizjzxxzftn4amaot", "10.11.12.13/24"),
virtualIP("2", "10.11.12.99/24"),
)),
swarmService(
serviceName("service2"),
serviceLabels(map[string]string{
labelDockerNetwork: "barnet",
}),
withEndpointSpec(modeDNSSR)),
},
dockerVersion: "1.30",
networks: []dockertypes.NetworkResource{
{
Name: "network_name",
ID: "yk6l57rfwizjzxxzftn4amaot",
Created: time.Now(),
Scope: "swarm",
Driver: "overlay",
EnableIPv6: false,
Internal: true,
Ingress: false,
ConfigOnly: false,
Options: map[string]string{
"com.docker.network.driver.overlay.vxlanid_list": "4098",
"com.docker.network.enable_ipv6": "false",
},
Labels: map[string]string{
"com.docker.stack.namespace": "test",
},
},
},
expectedServices: []string{
"service1",
},
},
}
for caseID, test := range testCases {
test := test
t.Run(strconv.Itoa(caseID), func(t *testing.T) {
t.Parallel()
dockerClient := &fakeServicesClient{services: test.services, dockerVersion: test.dockerVersion, networks: test.networks}
serviceDockerData, err := listServices(context.Background(), dockerClient)
assert.NoError(t, err)
assert.Equal(t, len(test.expectedServices), len(serviceDockerData))
for i, serviceName := range test.expectedServices {
assert.Equal(t, serviceName, serviceDockerData[i].Name)
}
})
}
}