traefik/pkg/api/handler_http_test.go
Fernandez Ludovic 4c5e7a238d chore: go module
2019-08-12 05:06:04 -07:00

579 lines
15 KiB
Go

package api
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"strconv"
"testing"
"github.com/containous/traefik/v2/pkg/config/dynamic"
"github.com/containous/traefik/v2/pkg/config/runtime"
"github.com/containous/traefik/v2/pkg/config/static"
"github.com/gorilla/mux"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestHandler_HTTP(t *testing.T) {
type expected struct {
statusCode int
nextPage string
jsonFile string
}
testCases := []struct {
desc string
path string
conf runtime.Configuration
expected expected
}{
{
desc: "all routers, but no config",
path: "/api/http/routers",
conf: runtime.Configuration{},
expected: expected{
statusCode: http.StatusOK,
nextPage: "1",
jsonFile: "testdata/routers-empty.json",
},
},
{
desc: "all routers",
path: "/api/http/routers",
conf: runtime.Configuration{
Routers: map[string]*runtime.RouterInfo{
"test@myprovider": {
Router: &dynamic.Router{
EntryPoints: []string{"web"},
Service: "foo-service@myprovider",
Rule: "Host(`foo.bar.other`)",
Middlewares: []string{"addPrefixTest", "auth"},
},
},
"bar@myprovider": {
Router: &dynamic.Router{
EntryPoints: []string{"web"},
Service: "foo-service@myprovider",
Rule: "Host(`foo.bar`)",
Middlewares: []string{"auth", "addPrefixTest@anotherprovider"},
},
},
},
},
expected: expected{
statusCode: http.StatusOK,
nextPage: "1",
jsonFile: "testdata/routers.json",
},
},
{
desc: "all routers, pagination, 1 res per page, want page 2",
path: "/api/http/routers?page=2&per_page=1",
conf: runtime.Configuration{
Routers: map[string]*runtime.RouterInfo{
"bar@myprovider": {
Router: &dynamic.Router{
EntryPoints: []string{"web"},
Service: "foo-service@myprovider",
Rule: "Host(`foo.bar`)",
Middlewares: []string{"auth", "addPrefixTest@anotherprovider"},
},
},
"baz@myprovider": {
Router: &dynamic.Router{
EntryPoints: []string{"web"},
Service: "foo-service@myprovider",
Rule: "Host(`toto.bar`)",
},
},
"test@myprovider": {
Router: &dynamic.Router{
EntryPoints: []string{"web"},
Service: "foo-service@myprovider",
Rule: "Host(`foo.bar.other`)",
Middlewares: []string{"addPrefixTest", "auth"},
},
},
},
},
expected: expected{
statusCode: http.StatusOK,
nextPage: "3",
jsonFile: "testdata/routers-page2.json",
},
},
{
desc: "all routers, pagination, 19 results overall, 7 res per page, want page 3",
path: "/api/http/routers?page=3&per_page=7",
conf: runtime.Configuration{
Routers: generateHTTPRouters(19),
},
expected: expected{
statusCode: http.StatusOK,
nextPage: "1",
jsonFile: "testdata/routers-many-lastpage.json",
},
},
{
desc: "all routers, pagination, 5 results overall, 10 res per page, want page 2",
path: "/api/http/routers?page=2&per_page=10",
conf: runtime.Configuration{
Routers: generateHTTPRouters(5),
},
expected: expected{
statusCode: http.StatusBadRequest,
},
},
{
desc: "all routers, pagination, 10 results overall, 10 res per page, want page 2",
path: "/api/http/routers?page=2&per_page=10",
conf: runtime.Configuration{
Routers: generateHTTPRouters(10),
},
expected: expected{
statusCode: http.StatusBadRequest,
},
},
{
desc: "one router by id",
path: "/api/http/routers/bar@myprovider",
conf: runtime.Configuration{
Routers: map[string]*runtime.RouterInfo{
"bar@myprovider": {
Router: &dynamic.Router{
EntryPoints: []string{"web"},
Service: "foo-service@myprovider",
Rule: "Host(`foo.bar`)",
Middlewares: []string{"auth", "addPrefixTest@anotherprovider"},
},
Status: "enabled",
},
},
},
expected: expected{
statusCode: http.StatusOK,
jsonFile: "testdata/router-bar.json",
},
},
{
desc: "one router by id, that does not exist",
path: "/api/http/routers/foo@myprovider",
conf: runtime.Configuration{
Routers: map[string]*runtime.RouterInfo{
"bar@myprovider": {
Router: &dynamic.Router{
EntryPoints: []string{"web"},
Service: "foo-service@myprovider",
Rule: "Host(`foo.bar`)",
Middlewares: []string{"auth", "addPrefixTest@anotherprovider"},
},
},
},
},
expected: expected{
statusCode: http.StatusNotFound,
},
},
{
desc: "one router by id, but no config",
path: "/api/http/routers/foo@myprovider",
conf: runtime.Configuration{},
expected: expected{
statusCode: http.StatusNotFound,
},
},
{
desc: "all services, but no config",
path: "/api/http/services",
conf: runtime.Configuration{},
expected: expected{
statusCode: http.StatusOK,
nextPage: "1",
jsonFile: "testdata/services-empty.json",
},
},
{
desc: "all services",
path: "/api/http/services",
conf: runtime.Configuration{
Services: map[string]*runtime.ServiceInfo{
"bar@myprovider": func() *runtime.ServiceInfo {
si := &runtime.ServiceInfo{
Service: &dynamic.Service{
LoadBalancer: &dynamic.LoadBalancerService{
Servers: []dynamic.Server{
{
URL: "http://127.0.0.1",
},
},
},
},
UsedBy: []string{"foo@myprovider", "test@myprovider"},
}
si.UpdateServerStatus("http://127.0.0.1", "UP")
return si
}(),
"baz@myprovider": func() *runtime.ServiceInfo {
si := &runtime.ServiceInfo{
Service: &dynamic.Service{
LoadBalancer: &dynamic.LoadBalancerService{
Servers: []dynamic.Server{
{
URL: "http://127.0.0.2",
},
},
},
},
UsedBy: []string{"foo@myprovider"},
}
si.UpdateServerStatus("http://127.0.0.2", "UP")
return si
}(),
},
},
expected: expected{
statusCode: http.StatusOK,
nextPage: "1",
jsonFile: "testdata/services.json",
},
},
{
desc: "all services, 1 res per page, want page 2",
path: "/api/http/services?page=2&per_page=1",
conf: runtime.Configuration{
Services: map[string]*runtime.ServiceInfo{
"bar@myprovider": func() *runtime.ServiceInfo {
si := &runtime.ServiceInfo{
Service: &dynamic.Service{
LoadBalancer: &dynamic.LoadBalancerService{
Servers: []dynamic.Server{
{
URL: "http://127.0.0.1",
},
},
},
},
UsedBy: []string{"foo@myprovider", "test@myprovider"},
}
si.UpdateServerStatus("http://127.0.0.1", "UP")
return si
}(),
"baz@myprovider": func() *runtime.ServiceInfo {
si := &runtime.ServiceInfo{
Service: &dynamic.Service{
LoadBalancer: &dynamic.LoadBalancerService{
Servers: []dynamic.Server{
{
URL: "http://127.0.0.2",
},
},
},
},
UsedBy: []string{"foo@myprovider"},
}
si.UpdateServerStatus("http://127.0.0.2", "UP")
return si
}(),
"test@myprovider": func() *runtime.ServiceInfo {
si := &runtime.ServiceInfo{
Service: &dynamic.Service{
LoadBalancer: &dynamic.LoadBalancerService{
Servers: []dynamic.Server{
{
URL: "http://127.0.0.3",
},
},
},
},
UsedBy: []string{"foo@myprovider", "test@myprovider"},
}
si.UpdateServerStatus("http://127.0.0.4", "UP")
return si
}(),
},
},
expected: expected{
statusCode: http.StatusOK,
nextPage: "3",
jsonFile: "testdata/services-page2.json",
},
},
{
desc: "one service by id",
path: "/api/http/services/bar@myprovider",
conf: runtime.Configuration{
Services: map[string]*runtime.ServiceInfo{
"bar@myprovider": func() *runtime.ServiceInfo {
si := &runtime.ServiceInfo{
Service: &dynamic.Service{
LoadBalancer: &dynamic.LoadBalancerService{
Servers: []dynamic.Server{
{
URL: "http://127.0.0.1",
},
},
},
},
UsedBy: []string{"foo@myprovider", "test@myprovider"},
}
si.UpdateServerStatus("http://127.0.0.1", "UP")
return si
}(),
},
},
expected: expected{
statusCode: http.StatusOK,
jsonFile: "testdata/service-bar.json",
},
},
{
desc: "one service by id, that does not exist",
path: "/api/http/services/nono@myprovider",
conf: runtime.Configuration{
Services: map[string]*runtime.ServiceInfo{
"bar@myprovider": func() *runtime.ServiceInfo {
si := &runtime.ServiceInfo{
Service: &dynamic.Service{
LoadBalancer: &dynamic.LoadBalancerService{
Servers: []dynamic.Server{
{
URL: "http://127.0.0.1",
},
},
},
},
UsedBy: []string{"foo@myprovider", "test@myprovider"},
}
si.UpdateServerStatus("http://127.0.0.1", "UP")
return si
}(),
},
},
expected: expected{
statusCode: http.StatusNotFound,
},
},
{
desc: "one service by id, but no config",
path: "/api/http/services/foo@myprovider",
conf: runtime.Configuration{},
expected: expected{
statusCode: http.StatusNotFound,
},
},
{
desc: "all middlewares, but no config",
path: "/api/http/middlewares",
conf: runtime.Configuration{},
expected: expected{
statusCode: http.StatusOK,
nextPage: "1",
jsonFile: "testdata/middlewares-empty.json",
},
},
{
desc: "all middlewares",
path: "/api/http/middlewares",
conf: runtime.Configuration{
Middlewares: map[string]*runtime.MiddlewareInfo{
"auth@myprovider": {
Middleware: &dynamic.Middleware{
BasicAuth: &dynamic.BasicAuth{
Users: []string{"admin:admin"},
},
},
UsedBy: []string{"bar@myprovider", "test@myprovider"},
},
"addPrefixTest@myprovider": {
Middleware: &dynamic.Middleware{
AddPrefix: &dynamic.AddPrefix{
Prefix: "/titi",
},
},
UsedBy: []string{"test@myprovider"},
},
"addPrefixTest@anotherprovider": {
Middleware: &dynamic.Middleware{
AddPrefix: &dynamic.AddPrefix{
Prefix: "/toto",
},
},
UsedBy: []string{"bar@myprovider"},
},
},
},
expected: expected{
statusCode: http.StatusOK,
nextPage: "1",
jsonFile: "testdata/middlewares.json",
},
},
{
desc: "all middlewares, 1 res per page, want page 2",
path: "/api/http/middlewares?page=2&per_page=1",
conf: runtime.Configuration{
Middlewares: map[string]*runtime.MiddlewareInfo{
"auth@myprovider": {
Middleware: &dynamic.Middleware{
BasicAuth: &dynamic.BasicAuth{
Users: []string{"admin:admin"},
},
},
UsedBy: []string{"bar@myprovider", "test@myprovider"},
},
"addPrefixTest@myprovider": {
Middleware: &dynamic.Middleware{
AddPrefix: &dynamic.AddPrefix{
Prefix: "/titi",
},
},
UsedBy: []string{"test@myprovider"},
},
"addPrefixTest@anotherprovider": {
Middleware: &dynamic.Middleware{
AddPrefix: &dynamic.AddPrefix{
Prefix: "/toto",
},
},
UsedBy: []string{"bar@myprovider"},
},
},
},
expected: expected{
statusCode: http.StatusOK,
nextPage: "3",
jsonFile: "testdata/middlewares-page2.json",
},
},
{
desc: "one middleware by id",
path: "/api/http/middlewares/auth@myprovider",
conf: runtime.Configuration{
Middlewares: map[string]*runtime.MiddlewareInfo{
"auth@myprovider": {
Middleware: &dynamic.Middleware{
BasicAuth: &dynamic.BasicAuth{
Users: []string{"admin:admin"},
},
},
UsedBy: []string{"bar@myprovider", "test@myprovider"},
},
"addPrefixTest@myprovider": {
Middleware: &dynamic.Middleware{
AddPrefix: &dynamic.AddPrefix{
Prefix: "/titi",
},
},
UsedBy: []string{"test@myprovider"},
},
"addPrefixTest@anotherprovider": {
Middleware: &dynamic.Middleware{
AddPrefix: &dynamic.AddPrefix{
Prefix: "/toto",
},
},
UsedBy: []string{"bar@myprovider"},
},
},
},
expected: expected{
statusCode: http.StatusOK,
jsonFile: "testdata/middleware-auth.json",
},
},
{
desc: "one middleware by id, that does not exist",
path: "/api/http/middlewares/foo@myprovider",
conf: runtime.Configuration{
Middlewares: map[string]*runtime.MiddlewareInfo{
"auth@myprovider": {
Middleware: &dynamic.Middleware{
BasicAuth: &dynamic.BasicAuth{
Users: []string{"admin:admin"},
},
},
UsedBy: []string{"bar@myprovider", "test@myprovider"},
},
},
},
expected: expected{
statusCode: http.StatusNotFound,
},
},
{
desc: "one middleware by id, but no config",
path: "/api/http/middlewares/foo@myprovider",
conf: runtime.Configuration{},
expected: expected{
statusCode: http.StatusNotFound,
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
rtConf := &test.conf
// To lazily initialize the Statuses.
rtConf.PopulateUsedBy()
handler := New(static.Configuration{API: &static.API{}, Global: &static.Global{}}, rtConf)
router := mux.NewRouter()
handler.Append(router)
server := httptest.NewServer(router)
resp, err := http.DefaultClient.Get(server.URL + test.path)
require.NoError(t, err)
require.Equal(t, test.expected.statusCode, resp.StatusCode)
assert.Equal(t, test.expected.nextPage, resp.Header.Get(nextPageHeader))
if test.expected.jsonFile == "" {
return
}
assert.Equal(t, resp.Header.Get("Content-Type"), "application/json")
contents, err := ioutil.ReadAll(resp.Body)
require.NoError(t, err)
err = resp.Body.Close()
require.NoError(t, err)
if *updateExpected {
var results interface{}
err := json.Unmarshal(contents, &results)
require.NoError(t, err)
newJSON, err := json.MarshalIndent(results, "", "\t")
require.NoError(t, err)
err = ioutil.WriteFile(test.expected.jsonFile, newJSON, 0644)
require.NoError(t, err)
}
data, err := ioutil.ReadFile(test.expected.jsonFile)
require.NoError(t, err)
assert.JSONEq(t, string(data), string(contents))
})
}
}
func generateHTTPRouters(nbRouters int) map[string]*runtime.RouterInfo {
routers := make(map[string]*runtime.RouterInfo, nbRouters)
for i := 0; i < nbRouters; i++ {
routers[fmt.Sprintf("bar%2d@myprovider", i)] = &runtime.RouterInfo{
Router: &dynamic.Router{
EntryPoints: []string{"web"},
Service: "foo-service@myprovider",
Rule: "Host(`foo.bar" + strconv.Itoa(i) + "`)",
},
}
}
return routers
}