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traefik/provider/consulcatalog/consul_catalog_test.go

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package consulcatalog
import (
"sort"
"testing"
"github.com/BurntSushi/ty/fun"
"github.com/hashicorp/consul/api"
"github.com/stretchr/testify/assert"
)
func TestNodeSorter(t *testing.T) {
testCases := []struct {
desc string
nodes []*api.ServiceEntry
expected []*api.ServiceEntry
}{
{
desc: "Should sort nothing",
nodes: []*api.ServiceEntry{},
expected: []*api.ServiceEntry{},
},
{
desc: "Should sort by node address",
nodes: []*api.ServiceEntry{
{
Service: &api.AgentService{
Service: "foo",
Address: "127.0.0.1",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.1",
},
},
},
expected: []*api.ServiceEntry{
{
Service: &api.AgentService{
Service: "foo",
Address: "127.0.0.1",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.1",
},
},
},
},
{
desc: "Should sort by service name",
nodes: []*api.ServiceEntry{
{
Service: &api.AgentService{
Service: "foo",
Address: "127.0.0.2",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.2",
},
},
{
Service: &api.AgentService{
Service: "bar",
Address: "127.0.0.2",
Port: 81,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.2",
},
},
{
Service: &api.AgentService{
Service: "foo",
Address: "127.0.0.1",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.1",
},
},
{
Service: &api.AgentService{
Service: "bar",
Address: "127.0.0.2",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.2",
},
},
},
expected: []*api.ServiceEntry{
{
Service: &api.AgentService{
Service: "bar",
Address: "127.0.0.2",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.2",
},
},
{
Service: &api.AgentService{
Service: "bar",
Address: "127.0.0.2",
Port: 81,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.2",
},
},
{
Service: &api.AgentService{
Service: "foo",
Address: "127.0.0.1",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.1",
},
},
{
Service: &api.AgentService{
Service: "foo",
Address: "127.0.0.2",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.2",
},
},
},
},
{
desc: "Should sort by node address",
nodes: []*api.ServiceEntry{
{
Service: &api.AgentService{
Service: "foo",
Address: "",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.2",
},
},
{
Service: &api.AgentService{
Service: "foo",
Address: "",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.1",
},
},
},
expected: []*api.ServiceEntry{
{
Service: &api.AgentService{
Service: "foo",
Address: "",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.1",
},
},
{
Service: &api.AgentService{
Service: "foo",
Address: "",
Port: 80,
},
Node: &api.Node{
Node: "localhost",
Address: "127.0.0.2",
},
},
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
sort.Sort(nodeSorter(test.nodes))
actual := test.nodes
assert.Equal(t, test.expected, actual)
})
}
}
func TestGetChangedKeys(t *testing.T) {
type Input struct {
currState map[string]Service
prevState map[string]Service
}
type Output struct {
addedKeys []string
removedKeys []string
}
testCases := []struct {
desc string
input Input
output Output
}{
{
desc: "Should add 0 services and removed 0",
input: Input{
currState: map[string]Service{
"foo-service": {Name: "v1"},
"bar-service": {Name: "v1"},
"baz-service": {Name: "v1"},
"qux-service": {Name: "v1"},
"quux-service": {Name: "v1"},
"quuz-service": {Name: "v1"},
"corge-service": {Name: "v1"},
"grault-service": {Name: "v1"},
"garply-service": {Name: "v1"},
"waldo-service": {Name: "v1"},
"fred-service": {Name: "v1"},
"plugh-service": {Name: "v1"},
"xyzzy-service": {Name: "v1"},
"thud-service": {Name: "v1"},
},
prevState: map[string]Service{
"foo-service": {Name: "v1"},
"bar-service": {Name: "v1"},
"baz-service": {Name: "v1"},
"qux-service": {Name: "v1"},
"quux-service": {Name: "v1"},
"quuz-service": {Name: "v1"},
"corge-service": {Name: "v1"},
"grault-service": {Name: "v1"},
"garply-service": {Name: "v1"},
"waldo-service": {Name: "v1"},
"fred-service": {Name: "v1"},
"plugh-service": {Name: "v1"},
"xyzzy-service": {Name: "v1"},
"thud-service": {Name: "v1"},
},
},
output: Output{
addedKeys: []string{},
removedKeys: []string{},
},
},
{
desc: "Should add 3 services and removed 0",
input: Input{
currState: map[string]Service{
"foo-service": {Name: "v1"},
"bar-service": {Name: "v1"},
"baz-service": {Name: "v1"},
"qux-service": {Name: "v1"},
"quux-service": {Name: "v1"},
"quuz-service": {Name: "v1"},
"corge-service": {Name: "v1"},
"grault-service": {Name: "v1"},
"garply-service": {Name: "v1"},
"waldo-service": {Name: "v1"},
"fred-service": {Name: "v1"},
"plugh-service": {Name: "v1"},
"xyzzy-service": {Name: "v1"},
"thud-service": {Name: "v1"},
},
prevState: map[string]Service{
"foo-service": {Name: "v1"},
"bar-service": {Name: "v1"},
"baz-service": {Name: "v1"},
"corge-service": {Name: "v1"},
"grault-service": {Name: "v1"},
"garply-service": {Name: "v1"},
"waldo-service": {Name: "v1"},
"fred-service": {Name: "v1"},
"plugh-service": {Name: "v1"},
"xyzzy-service": {Name: "v1"},
"thud-service": {Name: "v1"},
},
},
output: Output{
addedKeys: []string{"qux-service", "quux-service", "quuz-service"},
removedKeys: []string{},
},
},
{
desc: "Should add 2 services and removed 2",
input: Input{
currState: map[string]Service{
"foo-service": {Name: "v1"},
"qux-service": {Name: "v1"},
"quux-service": {Name: "v1"},
"quuz-service": {Name: "v1"},
"corge-service": {Name: "v1"},
"grault-service": {Name: "v1"},
"garply-service": {Name: "v1"},
"waldo-service": {Name: "v1"},
"fred-service": {Name: "v1"},
"plugh-service": {Name: "v1"},
"xyzzy-service": {Name: "v1"},
"thud-service": {Name: "v1"},
},
prevState: map[string]Service{
"foo-service": {Name: "v1"},
"bar-service": {Name: "v1"},
"baz-service": {Name: "v1"},
"qux-service": {Name: "v1"},
"quux-service": {Name: "v1"},
"quuz-service": {Name: "v1"},
"corge-service": {Name: "v1"},
"waldo-service": {Name: "v1"},
"fred-service": {Name: "v1"},
"plugh-service": {Name: "v1"},
"xyzzy-service": {Name: "v1"},
"thud-service": {Name: "v1"},
},
},
output: Output{
addedKeys: []string{"grault-service", "garply-service"},
removedKeys: []string{"bar-service", "baz-service"},
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
addedKeys, removedKeys := getChangedServiceKeys(test.input.currState, test.input.prevState)
assert.Equal(t, fun.Set(test.output.addedKeys), fun.Set(addedKeys), "Added keys comparison results: got %q, want %q", addedKeys, test.output.addedKeys)
assert.Equal(t, fun.Set(test.output.removedKeys), fun.Set(removedKeys), "Removed keys comparison results: got %q, want %q", removedKeys, test.output.removedKeys)
})
}
}
func TestFilterEnabled(t *testing.T) {
testCases := []struct {
desc string
exposedByDefault bool
node *api.ServiceEntry
expected bool
}{
{
desc: "exposed",
exposedByDefault: true,
node: &api.ServiceEntry{
Service: &api.AgentService{
Service: "api",
Address: "10.0.0.1",
Port: 80,
Tags: []string{""},
},
},
expected: true,
},
{
desc: "exposed and tolerated by valid label value",
exposedByDefault: true,
node: &api.ServiceEntry{
Service: &api.AgentService{
Service: "api",
Address: "10.0.0.1",
Port: 80,
Tags: []string{"", "traefik.enable=true"},
},
},
expected: true,
},
{
desc: "exposed and tolerated by invalid label value",
exposedByDefault: true,
node: &api.ServiceEntry{
Service: &api.AgentService{
Service: "api",
Address: "10.0.0.1",
Port: 80,
Tags: []string{"", "traefik.enable=bad"},
},
},
expected: true,
},
{
desc: "exposed but overridden by label",
exposedByDefault: true,
node: &api.ServiceEntry{
Service: &api.AgentService{
Service: "api",
Address: "10.0.0.1",
Port: 80,
Tags: []string{"", "traefik.enable=false"},
},
},
expected: false,
},
{
desc: "non-exposed",
exposedByDefault: false,
node: &api.ServiceEntry{
Service: &api.AgentService{
Service: "api",
Address: "10.0.0.1",
Port: 80,
Tags: []string{""},
},
},
expected: false,
},
{
desc: "non-exposed but overridden by label",
exposedByDefault: false,
node: &api.ServiceEntry{
Service: &api.AgentService{
Service: "api",
Address: "10.0.0.1",
Port: 80,
Tags: []string{"", "traefik.enable=true"},
},
},
expected: true,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
provider := &Provider{
Domain: "localhost",
Prefix: "traefik",
ExposedByDefault: test.exposedByDefault,
}
actual := provider.nodeFilter("test", test.node)
assert.Equal(t, test.expected, actual)
})
}
}
func TestGetChangedStringKeys(t *testing.T) {
testCases := []struct {
desc string
current []string
previous []string
expectedAdded []string
expectedRemoved []string
}{
{
desc: "1 element added, 0 removed",
current: []string{"chou"},
previous: []string{},
expectedAdded: []string{"chou"},
expectedRemoved: []string{},
}, {
desc: "0 element added, 0 removed",
current: []string{"chou"},
previous: []string{"chou"},
expectedAdded: []string{},
expectedRemoved: []string{},
},
{
desc: "0 element added, 1 removed",
current: []string{},
previous: []string{"chou"},
expectedAdded: []string{},
expectedRemoved: []string{"chou"},
},
{
desc: "1 element added, 1 removed",
current: []string{"carotte"},
previous: []string{"chou"},
expectedAdded: []string{"carotte"},
expectedRemoved: []string{"chou"},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actualAdded, actualRemoved := getChangedStringKeys(test.current, test.previous)
assert.Equal(t, test.expectedAdded, actualAdded)
assert.Equal(t, test.expectedRemoved, actualRemoved)
})
}
}
func TestHasServiceChanged(t *testing.T) {
testCases := []struct {
desc string
current map[string]Service
previous map[string]Service
expected bool
}{
{
desc: "Change detected due to change of nodes",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node2"},
Tags: []string{},
},
},
expected: true,
},
{
desc: "No change missing current service",
current: make(map[string]Service),
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{},
},
},
expected: false,
},
{
desc: "No change on nodes",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{},
},
},
expected: false,
},
{
desc: "No change on nodes and tags",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo=bar"},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo=bar"},
},
},
expected: false,
},
{
desc: "Change detected on tags",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo=bar"},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo"},
},
},
expected: true,
},
{
desc: "Change detected on ports",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo=bar"},
Ports: []int{80},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo"},
Ports: []int{81},
},
},
expected: true,
},
{
desc: "Change detected on ports",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo=bar"},
Ports: []int{80},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo"},
Ports: []int{81, 82},
},
},
expected: true,
},
{
desc: "Change detected on addresses",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Addresses: []string{"127.0.0.1"},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Addresses: []string{"127.0.0.2"},
},
},
expected: true,
},
{
desc: "No Change detected",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo"},
Ports: []int{80},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo"},
Ports: []int{80},
},
},
expected: false,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := hasServiceChanged(test.current, test.previous)
assert.Equal(t, test.expected, actual)
})
}
}
func TestHasChanged(t *testing.T) {
testCases := []struct {
desc string
current map[string]Service
previous map[string]Service
expected bool
}{
{
desc: "Change detected due to change new service",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{},
},
},
previous: make(map[string]Service),
expected: true,
},
{
desc: "Change detected due to change service removed",
current: make(map[string]Service),
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{},
},
},
expected: true,
},
{
desc: "Change detected due to change of nodes",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node2"},
Tags: []string{},
},
},
expected: true,
},
{
desc: "No change on nodes",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{},
},
},
expected: false,
},
{
desc: "No change on nodes and tags",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo=bar"},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo=bar"},
},
},
expected: false,
},
{
desc: "Change detected on tags",
current: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo=bar"},
},
},
previous: map[string]Service{
"foo-service": {
Name: "foo",
Nodes: []string{"node1"},
Tags: []string{"foo"},
},
},
expected: true,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
actual := hasChanged(test.current, test.previous)
assert.Equal(t, test.expected, actual)
})
}
}
func TestGetConstraintTags(t *testing.T) {
provider := &Provider{
Domain: "localhost",
Prefix: "traefik",
}
testCases := []struct {
desc string
tags []string
expected []string
}{
{
desc: "nil tags",
},
{
desc: "invalid tag",
tags: []string{"tags=foobar"},
expected: nil,
},
{
desc: "wrong tag",
tags: []string{"traefik_tags=foobar"},
expected: nil,
},
{
desc: "empty value",
tags: []string{"traefik.tags="},
expected: nil,
},
{
desc: "simple tag",
tags: []string{"traefik.tags=foobar "},
expected: []string{"foobar"},
},
{
desc: "multiple values tag",
tags: []string{"traefik.tags=foobar, fiibir"},
expected: []string{"foobar", "fiibir"},
},
{
desc: "multiple tags",
tags: []string{"traefik.tags=foobar", "traefik.tags=foobor"},
expected: []string{"foobar", "foobor"},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
constraints := provider.getConstraintTags(test.tags)
assert.EqualValues(t, test.expected, constraints)
})
}
}
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