traefik/provider/label/segment_test.go

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2018-03-26 13:32:04 +00:00
package label
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestExtractTraefikLabels(t *testing.T) {
testCases := []struct {
desc string
prefix string
originLabels map[string]string
expected SegmentProperties
}{
{
desc: "nil labels map",
prefix: "traefik",
originLabels: nil,
expected: SegmentProperties{"": {}},
},
{
desc: "container labels",
prefix: "traefik",
originLabels: map[string]string{
"frontend.priority": "foo", // missing prefix: skip
"traefik.port": "bar",
},
expected: SegmentProperties{
"": {
"traefik.port": "bar",
},
},
},
{
desc: "segment labels: only segment no default",
prefix: "traefik",
originLabels: map[string]string{
"traefik.goo.frontend.priority": "A",
"traefik.goo.port": "D",
"traefik.port": "C",
},
expected: SegmentProperties{
"goo": {
"traefik.frontend.priority": "A",
"traefik.port": "D",
},
},
},
{
desc: "segment labels: use default",
prefix: "traefik",
originLabels: map[string]string{
"traefik.guu.frontend.priority": "B",
"traefik.port": "C",
},
expected: SegmentProperties{
"guu": {
"traefik.frontend.priority": "B",
"traefik.port": "C",
},
},
},
{
desc: "segment labels: several segments",
prefix: "traefik",
originLabels: map[string]string{
"traefik.goo.frontend.priority": "A",
"traefik.goo.port": "D",
"traefik.guu.frontend.priority": "B",
"traefik.port": "C",
},
expected: SegmentProperties{
"goo": {
"traefik.frontend.priority": "A",
"traefik.port": "D",
},
"guu": {
"traefik.frontend.priority": "B",
"traefik.port": "C",
},
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := ExtractTraefikLabels(test.originLabels)
assert.Equal(t, test.expected, actual)
})
}
}
func TestExtractServiceProperties(t *testing.T) {
testCases := []struct {
desc string
labels map[string]string
expected SegmentProperties
}{
{
desc: "empty labels map",
expected: SegmentProperties{},
},
{
desc: "valid label names",
labels: map[string]string{
"traefik.foo.port": "bar",
"traefik.foo.frontend.bar": "1bar",
"traefik.foo.backend": "3bar",
},
expected: SegmentProperties{
"foo": SegmentPropertyValues{
"port": "bar",
"frontend.bar": "1bar",
"backend": "3bar",
},
},
},
{
desc: "invalid label names",
labels: map[string]string{
"foo.frontend.bar": "1bar",
"traefik.foo.frontend.": "2bar",
"traefik.foo.port.bar": "barbar",
"traefik.foo.frontend": "0bar",
"traefik.frontend.foo.backend": "0bar",
},
expected: SegmentProperties{},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
got := ExtractServiceProperties(test.labels)
assert.EqualValues(t, test.expected, got)
})
}
}
func TestExtractServicePropertiesP(t *testing.T) {
testCases := []struct {
desc string
labels *map[string]string
expected SegmentProperties
}{
{
desc: "nil labels map",
expected: SegmentProperties{},
},
{
desc: "valid label names",
labels: &map[string]string{
"traefik.foo.port": "bar",
"traefik.foo.frontend.bar": "1bar",
"traefik.foo.backend": "3bar",
},
expected: SegmentProperties{
"foo": SegmentPropertyValues{
"port": "bar",
"frontend.bar": "1bar",
"backend": "3bar",
},
},
},
{
desc: "invalid label names",
labels: &map[string]string{
"foo.frontend.bar": "1bar",
"traefik.foo.frontend.": "2bar",
"traefik.foo.port.bar": "barbar",
"traefik.foo.frontend": "0bar",
"traefik.frontend.foo.backend": "0bar",
},
expected: SegmentProperties{},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
got := ExtractServicePropertiesP(test.labels)
assert.EqualValues(t, test.expected, got)
})
}
}
func TestGetServiceLabel(t *testing.T) {
testCases := []struct {
desc string
labelName string
serviceName string
expected string
}{
{
desc: "without service name",
labelName: TraefikPort,
expected: TraefikPort,
},
{
desc: "with service name",
labelName: TraefikPort,
serviceName: "bar",
expected: "traefik.bar.port",
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
got := GetServiceLabel(test.labelName, test.serviceName)
assert.Equal(t, test.expected, got)
})
}
}