forked from mirror/client_golang
186 lines
4.2 KiB
Go
186 lines
4.2 KiB
Go
// Copyright 2015 The Prometheus Authors
|
|
// 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 api
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"net/url"
|
|
"testing"
|
|
)
|
|
|
|
func TestConfig(t *testing.T) {
|
|
c := Config{}
|
|
if c.roundTripper() != DefaultRoundTripper {
|
|
t.Fatalf("expected default roundtripper for nil RoundTripper field")
|
|
}
|
|
}
|
|
|
|
func TestClientURL(t *testing.T) {
|
|
tests := []struct {
|
|
address string
|
|
endpoint string
|
|
args map[string]string
|
|
expected string
|
|
}{
|
|
{
|
|
address: "http://localhost:9090",
|
|
endpoint: "/test",
|
|
expected: "http://localhost:9090/test",
|
|
},
|
|
{
|
|
address: "http://localhost",
|
|
endpoint: "/test",
|
|
expected: "http://localhost/test",
|
|
},
|
|
{
|
|
address: "http://localhost:9090",
|
|
endpoint: "test",
|
|
expected: "http://localhost:9090/test",
|
|
},
|
|
{
|
|
address: "http://localhost:9090/prefix",
|
|
endpoint: "/test",
|
|
expected: "http://localhost:9090/prefix/test",
|
|
},
|
|
{
|
|
address: "https://localhost:9090/",
|
|
endpoint: "/test/",
|
|
expected: "https://localhost:9090/test",
|
|
},
|
|
{
|
|
address: "http://localhost:9090",
|
|
endpoint: "/test/:param",
|
|
args: map[string]string{
|
|
"param": "content",
|
|
},
|
|
expected: "http://localhost:9090/test/content",
|
|
},
|
|
{
|
|
address: "http://localhost:9090",
|
|
endpoint: "/test/:param/more/:param",
|
|
args: map[string]string{
|
|
"param": "content",
|
|
},
|
|
expected: "http://localhost:9090/test/content/more/content",
|
|
},
|
|
{
|
|
address: "http://localhost:9090",
|
|
endpoint: "/test/:param/more/:foo",
|
|
args: map[string]string{
|
|
"param": "content",
|
|
"foo": "bar",
|
|
},
|
|
expected: "http://localhost:9090/test/content/more/bar",
|
|
},
|
|
{
|
|
address: "http://localhost:9090",
|
|
endpoint: "/test/:param",
|
|
args: map[string]string{
|
|
"nonexistent": "content",
|
|
},
|
|
expected: "http://localhost:9090/test/:param",
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
ep, err := url.Parse(test.address)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
hclient := &httpClient{
|
|
endpoint: ep,
|
|
client: http.Client{Transport: DefaultRoundTripper},
|
|
}
|
|
|
|
u := hclient.URL(test.endpoint, test.args)
|
|
if u.String() != test.expected {
|
|
t.Errorf("unexpected result: got %s, want %s", u, test.expected)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDoGetFallback(t *testing.T) {
|
|
v := url.Values{"a": []string{"1", "2"}}
|
|
|
|
type testResponse struct {
|
|
Values string
|
|
Method string
|
|
}
|
|
|
|
// Start a local HTTP server.
|
|
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
|
req.ParseForm()
|
|
r := &testResponse{
|
|
Values: req.Form.Encode(),
|
|
Method: req.Method,
|
|
}
|
|
|
|
body, _ := json.Marshal(r)
|
|
|
|
if req.Method == http.MethodPost {
|
|
if req.URL.Path == "/blockPost" {
|
|
http.Error(w, string(body), http.StatusMethodNotAllowed)
|
|
return
|
|
}
|
|
}
|
|
|
|
w.Write(body)
|
|
}))
|
|
// Close the server when test finishes.
|
|
defer server.Close()
|
|
|
|
u, err := url.Parse(server.URL)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
client := &httpClient{client: *(server.Client())}
|
|
|
|
// Do a post, and ensure that the post succeeds.
|
|
_, b, _, err := DoGetFallback(client, context.TODO(), u, v)
|
|
if err != nil {
|
|
t.Fatalf("Error doing local request: %v", err)
|
|
}
|
|
resp := &testResponse{}
|
|
if err := json.Unmarshal(b, resp); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if resp.Method != http.MethodPost {
|
|
t.Fatalf("Mismatch method")
|
|
}
|
|
if resp.Values != v.Encode() {
|
|
t.Fatalf("Mismatch in values")
|
|
}
|
|
|
|
// Do a fallbcak to a get.
|
|
u.Path = "/blockPost"
|
|
_, b, _, err = DoGetFallback(client, context.TODO(), u, v)
|
|
if err != nil {
|
|
t.Fatalf("Error doing local request: %v", err)
|
|
}
|
|
if err := json.Unmarshal(b, resp); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if resp.Method != http.MethodGet {
|
|
t.Fatalf("Mismatch method")
|
|
}
|
|
if resp.Values != v.Encode() {
|
|
t.Fatalf("Mismatch in values")
|
|
}
|
|
}
|