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package mock
import (
"bytes"
"fmt"
"io"
"net/http"
"strconv"
"time"
"github.com/vespa-engine/vespa/client/go/internal/util"
)
type HTTPClient struct {
// The responses to return for future requests. Once a response is consumed, it's removed from this slice.
nextResponses []HTTPResponse
// The errors to return for future requests. If non-nil, these errors are returned before any responses in nextResponses.
nextErrors []error
// LastRequest is the last HTTP request made through this.
LastRequest *http.Request
// ReadBody controls whether the client consumes the request body automatically. If true, LastBody will contain the
// body of the most recent request.
ReadBody bool
// LastBody is a copy of the last request payload sent through this.
LastBody []byte
// Requests contains all requests made through this.
Requests []*http.Request
}
type HTTPResponse struct {
URI string
Status int
Body []byte
Header http.Header
}
func (c *HTTPClient) NextStatus(status int) { c.NextResponseBytes(status, nil) }
func (c *HTTPClient) NextResponseString(status int, body string) {
c.NextResponseBytes(status, []byte(body))
}
func (c *HTTPClient) NextResponseBytes(status int, body []byte) {
c.nextResponses = append(c.nextResponses, HTTPResponse{Status: status, Body: body})
}
func (c *HTTPClient) NextResponse(response HTTPResponse) {
c.nextResponses = append(c.nextResponses, response)
}
func (c *HTTPClient) NextResponseError(err error) {
c.nextErrors = append(c.nextErrors, err)
}
func (c *HTTPClient) Do(request *http.Request, timeout time.Duration) (*http.Response, error) {
c.LastRequest = request
if len(c.nextErrors) > 0 {
err := c.nextErrors[0]
c.nextErrors = c.nextErrors[1:]
return nil, err
}
response := HTTPResponse{Status: 200}
if len(c.nextResponses) > 0 {
response = c.nextResponses[0]
if response.URI != "" && response.URI != request.URL.RequestURI() {
return nil, fmt.Errorf("uri of response is %s, which does not match request uri %s", response.URI, request.URL.RequestURI())
}
c.nextResponses = c.nextResponses[1:]
}
if c.ReadBody && request.Body != nil {
body, err := io.ReadAll(request.Body)
if err != nil {
return nil, err
}
c.LastBody = body
} else {
c.LastBody = nil
}
c.Requests = append(c.Requests, request)
if response.Header == nil {
response.Header = make(http.Header)
}
return &http.Response{
Status: "Status " + strconv.Itoa(response.Status),
StatusCode: response.Status,
Body: io.NopCloser(bytes.NewBuffer(response.Body)),
Header: response.Header,
},
nil
}
func (c *HTTPClient) Clone() util.HTTPClient { return c }
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