caddy/caddyhttp/proxy/reverseproxy_test.go
Jake Lucas 22dfb140d0 proxy: Add new fallback_delay sub-directive (#2309)
* Updates the existing proxy and reverse proxy tests to include a new fallback delay value

* Adds a new fallback_delay sub-directive to the proxy directive and uses it in the creation of single host reverse proxies
2018-10-30 12:02:59 -06:00

96 lines
2.6 KiB
Go

// Copyright 2015 Light Code Labs, LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package proxy
import (
"net"
"net/http"
"net/http/httptest"
"net/url"
"strconv"
"testing"
"time"
)
const (
expectedResponse = "response from request proxied to upstream"
expectedStatus = http.StatusOK
)
var upstreamHost *httptest.Server
func setupTest() {
upstreamHost = httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/test-path" {
w.WriteHeader(expectedStatus)
w.Write([]byte(expectedResponse))
} else {
w.WriteHeader(404)
w.Write([]byte("Not found"))
}
}))
}
func tearDownTest() {
upstreamHost.Close()
}
func TestSingleSRVHostReverseProxy(t *testing.T) {
setupTest()
defer tearDownTest()
target, err := url.Parse("srv://test.upstream.service")
if err != nil {
t.Errorf("Failed to parse target URL. %s", err.Error())
}
upstream, err := url.Parse(upstreamHost.URL)
if err != nil {
t.Errorf("Failed to parse test server URL [%s]. %s", upstreamHost.URL, err.Error())
}
pp, err := strconv.Atoi(upstream.Port())
if err != nil {
t.Errorf("Failed to parse upstream server port [%s]. %s", upstream.Port(), err.Error())
}
port := uint16(pp)
rp := NewSingleHostReverseProxy(target, "", http.DefaultMaxIdleConnsPerHost, 30*time.Second, 300*time.Millisecond)
rp.srvResolver = testResolver{
result: []*net.SRV{
{Target: upstream.Hostname(), Port: port, Priority: 1, Weight: 1},
},
}
resp := httptest.NewRecorder()
req, err := http.NewRequest("GET", "http://test.host/test-path", nil)
if err != nil {
t.Errorf("Failed to create new request. %s", err.Error())
}
err = rp.ServeHTTP(resp, req, nil)
if err != nil {
t.Errorf("Failed to perform reverse proxy to upstream host. %s", err.Error())
}
if resp.Body.String() != expectedResponse {
t.Errorf("Unexpected proxy response received. Expected: '%s', Got: '%s'", expectedResponse, resp.Body.String())
}
if resp.Code != expectedStatus {
t.Errorf("Unexpected proxy status. Expected: '%d', Got: '%d'", expectedStatus, resp.Code)
}
}