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api_mock.go
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api_mock.go
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package loki
import (
"bytes"
"io"
"net/http"
"github.com/grafana/grafana/pkg/infra/log"
)
type mockRequestCallback func(req *http.Request)
type mockedRoundTripper struct {
statusCode int
responseBytes []byte
contentType string
requestCallback mockRequestCallback
}
func (mockedRT *mockedRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
requestCallback := mockedRT.requestCallback
if requestCallback != nil {
requestCallback(req)
}
header := http.Header{}
header.Add("Content-Type", mockedRT.contentType)
return &http.Response{
StatusCode: mockedRT.statusCode,
Header: header,
Body: io.NopCloser(bytes.NewReader(mockedRT.responseBytes)),
}, nil
}
type mockedCompressedRoundTripper struct {
statusCode int
responseBytes []byte
contentType string
requestCallback mockRequestCallback
}
func (mockedRT *mockedCompressedRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
requestCallback := mockedRT.requestCallback
if requestCallback != nil {
requestCallback(req)
}
header := http.Header{}
header.Add("Content-Type", mockedRT.contentType)
header.Add("Content-Encoding", "gzip")
return &http.Response{
StatusCode: mockedRT.statusCode,
Header: header,
Body: io.NopCloser(bytes.NewReader(mockedRT.responseBytes)),
}, nil
}
func makeMockedAPI(statusCode int, contentType string, responseBytes []byte, requestCallback mockRequestCallback) *LokiAPI {
return makeMockedAPIWithUrl("http://localhost:9999", statusCode, contentType, responseBytes, requestCallback)
}
func makeMockedAPIWithUrl(url string, statusCode int, contentType string, responseBytes []byte, requestCallback mockRequestCallback) *LokiAPI {
client := http.Client{
Transport: &mockedRoundTripper{statusCode: statusCode, contentType: contentType, responseBytes: responseBytes, requestCallback: requestCallback},
}
return newLokiAPI(&client, url, log.New("test"), nil)
}
func makeCompressedMockedAPIWithUrl(url string, statusCode int, contentType string, responseBytes []byte, requestCallback mockRequestCallback) *LokiAPI {
client := http.Client{
Transport: &mockedCompressedRoundTripper{statusCode: statusCode, contentType: contentType, responseBytes: responseBytes, requestCallback: requestCallback},
}
return newLokiAPI(&client, url, log.New("test"), nil)
}