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// Copyright 2022 The Sigstore 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 client
import (
"net/http"
"testing"
"github.com/google/go-cmp/cmp"
)
func TestMakeOptions(t *testing.T) {
tests := []struct {
desc string
opts []Option
want *options
}{{
desc: "no opts",
want: &options{},
}, {
desc: "WithUserAgent",
opts: []Option{WithUserAgent("test user agent")},
want: &options{UserAgent: "test user agent"},
}}
for _, tc := range tests {
t.Run(tc.desc, func(t *testing.T) {
got := makeOptions(tc.opts...)
if d := cmp.Diff(tc.want, got); d != "" {
t.Errorf("makeOptions() returned unexpected result (-want +got): %s", d)
}
})
}
}
type mockRoundTripper struct {
gotReqs []*http.Request
resp *http.Response
err error
}
// RoundTrip implements `http.RoundTripper`
func (m *mockRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
m.gotReqs = append(m.gotReqs, req)
return m.resp, m.err
}
func TestCreateRoundTripper(t *testing.T) {
t.Run("always returns non-nil", func(t *testing.T) {
got := createRoundTripper(nil, &options{})
if got == nil {
t.Errorf("createRoundTripper() should never return a nil `http.RoundTripper`")
}
})
testReq, err := http.NewRequest("GET", "http://www.example.com/test", nil)
if err != nil {
t.Fatalf("http.NewRequest() failed: %v", err)
}
testResp := &http.Response{
Status: "OK",
StatusCode: 200,
Request: testReq,
}
expectedUserAgent := "test UserAgent"
expectedContentType := "test ContentType"
m := &mockRoundTripper{}
rt := createRoundTripper(m, &options{
UserAgent: expectedUserAgent,
ContentType: expectedContentType,
})
m.resp = testResp
gotResp, err := rt.RoundTrip(testReq)
if err != nil {
t.Errorf("RoundTrip() returned error: %v", err)
}
if len(m.gotReqs) < 1 {
t.Fatalf("inner RoundTripper.RoundTrip() was not called")
}
gotReq := m.gotReqs[0]
gotReqUserAgent := gotReq.UserAgent()
if gotReqUserAgent != expectedUserAgent {
t.Errorf("rt.RoundTrip() did not set the User-Agent properly. Wanted: %q, got: %q", expectedUserAgent, gotReqUserAgent)
}
gotReqContentType := gotReq.Header.Get("Content-Type")
if gotReqContentType != expectedContentType {
t.Errorf("rt.RoundTrip() did not set the Content-Type properly. Wanted: %q, got: %q", expectedContentType, gotReqContentType)
}
if testResp != gotResp {
t.Errorf("roundTripper.RoundTrip() should have returned exactly the response of the inner RoundTripper. Wanted %v, got %v", testResp, gotResp)
}
}
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