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// Copyright 2018 Google 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 storage
import (
"context"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"strings"
"testing"
"google.golang.org/api/option"
)
type mockTransport struct {
gotReq *http.Request
gotBody []byte
results []transportResult
}
type transportResult struct {
res *http.Response
err error
}
func (t *mockTransport) addResult(res *http.Response, err error) {
t.results = append(t.results, transportResult{res, err})
}
func (t *mockTransport) RoundTrip(req *http.Request) (*http.Response, error) {
t.gotReq = req
t.gotBody = nil
if req.Body != nil {
bytes, err := ioutil.ReadAll(req.Body)
if err != nil {
return nil, err
}
t.gotBody = bytes
}
if len(t.results) == 0 {
return nil, fmt.Errorf("error handling request")
}
result := t.results[0]
t.results = t.results[1:]
return result.res, result.err
}
func (t *mockTransport) gotJSONBody() map[string]interface{} {
m := map[string]interface{}{}
if err := json.Unmarshal(t.gotBody, &m); err != nil {
panic(err)
}
return m
}
func mockClient(t *testing.T, m *mockTransport) *Client {
client, err := NewClient(context.Background(), option.WithHTTPClient(&http.Client{Transport: m}))
if err != nil {
t.Fatal(err)
}
return client
}
func bodyReader(s string) io.ReadCloser {
return ioutil.NopCloser(strings.NewReader(s))
}
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