forked from zalando/skipper
/
example_test.go
63 lines (54 loc) · 1.73 KB
/
example_test.go
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// Copyright 2015 Zalando SE
//
// 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 routing_test
import (
"fmt"
"github.com/zalando/skipper/filters/builtin"
"github.com/zalando/skipper/routing"
"github.com/zalando/skipper/routing/testdataclient"
"log"
"net/http"
"time"
)
func Example() {
// create a data client with a predefined route:
dataClient, err := testdataclient.NewDoc(
`Path("/some/path/to/:id") -> requestHeader("X-From", "skipper") -> "https://www.example.org"`)
if err != nil {
log.Fatal(err)
}
// create a router:
r := routing.New(routing.Options{
FilterRegistry: builtin.MakeRegistry(),
MatchingOptions: routing.IgnoreTrailingSlash,
DataClients: []routing.DataClient{dataClient}})
// let the route data get propagated in the background:
time.Sleep(36 * time.Millisecond)
// create a request:
req, err := http.NewRequest("GET", "https://www.example.com/some/path/to/Hello,+world!", nil)
if err != nil {
log.Fatal(err)
}
// match the request with the router:
route, params := r.Route(req)
if route == nil {
log.Fatal("failed to route")
}
// verify the matched route and the path params:
fmt.Println(route.Backend)
fmt.Println(params["id"])
// Output:
// https://www.example.org
// Hello, world!
}