DockerCLI/cli/command/stack/kubernetes/services_test.go

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package kubernetes
import (
"testing"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/api/types/swarm"
"github.com/gotestyourself/gotestyourself/assert"
"github.com/gotestyourself/gotestyourself/assert/cmp"
)
func TestServiceFiltersLabelSelectorGen(t *testing.T) {
cases := []struct {
name string
stackName string
filters filters.Args
expectedSelectorParts []string
}{
{
name: "no-filter",
stackName: "test",
filters: filters.NewArgs(),
expectedSelectorParts: []string{
"com.docker.stack.namespace=test",
},
},
{
name: "label present filter",
stackName: "test",
filters: filters.NewArgs(
filters.KeyValuePair{Key: "label", Value: "label-is-present"},
),
expectedSelectorParts: []string{
"com.docker.stack.namespace=test",
"label-is-present",
},
},
{
name: "single value label filter",
stackName: "test",
filters: filters.NewArgs(
filters.KeyValuePair{Key: "label", Value: "label1=test"},
),
expectedSelectorParts: []string{
"com.docker.stack.namespace=test",
"label1=test",
},
},
{
name: "multi value label filter",
stackName: "test",
filters: filters.NewArgs(
filters.KeyValuePair{Key: "label", Value: "label1=test"},
filters.KeyValuePair{Key: "label", Value: "label1=test2"},
),
expectedSelectorParts: []string{
"com.docker.stack.namespace=test",
"label1=test",
"label1=test2",
},
},
{
name: "2 different labels filter",
stackName: "test",
filters: filters.NewArgs(
filters.KeyValuePair{Key: "label", Value: "label1=test"},
filters.KeyValuePair{Key: "label", Value: "label2=test2"},
),
expectedSelectorParts: []string{
"com.docker.stack.namespace=test",
"label1=test",
"label2=test2",
},
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
result := generateLabelSelector(c.filters, c.stackName)
for _, toFind := range c.expectedSelectorParts {
assert.Assert(t, cmp.Contains(result, toFind))
}
})
}
}
func TestServiceFiltersServiceByName(t *testing.T) {
cases := []struct {
name string
filters []string
services []swarm.Service
expectedServices []swarm.Service
}{
{
name: "no filter",
filters: []string{},
services: makeServices("s1", "s2"),
expectedServices: makeServices("s1", "s2"),
},
{
name: "single-name filter",
filters: []string{"s1"},
services: makeServices("s1", "s2"),
expectedServices: makeServices("s1"),
},
{
name: "filter by prefix",
filters: []string{"prefix"},
services: makeServices("prefix-s1", "prefix-s2", "s2"),
expectedServices: makeServices("prefix-s1", "prefix-s2"),
},
{
name: "multi-name filter",
filters: []string{"s1", "s2"},
services: makeServices("s1", "s2", "s3"),
expectedServices: makeServices("s1", "s2"),
},
{
name: "stack name prefix is valid",
filters: []string{"stack_s1"},
services: makeServices("s1", "s11", "s2"),
expectedServices: makeServices("s1", "s11"),
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
result := filterServicesByName(c.services, c.filters, "stack")
assert.DeepEqual(t, c.expectedServices, result)
})
}
}
func makeServices(names ...string) []swarm.Service {
result := make([]swarm.Service, len(names))
for i, n := range names {
result[i] = swarm.Service{Spec: swarm.ServiceSpec{Annotations: swarm.Annotations{Name: "stack_" + n}}}
}
return result
}