tusd/pkg/handler/utils_test.go

137 lines
3.2 KiB
Go

package handler_test
import (
"fmt"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"reflect"
"testing"
"github.com/golang/mock/gomock"
"github.com/tus/tusd/pkg/handler"
)
//go:generate mockgen -package handler_test -source utils_test.go -aux_files handler=datastore.go -destination=handler_mock_test.go
// FullDataStore is an interface combining most interfaces for data stores.
// This is used by mockgen(1) to generate a mocked data store used for testing
// (see https://github.com/golang/mock). The only interface excluded is
// LockerDataStore because else we would have to explicitly expect calls for
// locking in every single test which would result in more verbose code.
// Therefore it has been moved into its own type definition, the Locker.
type FullDataStore interface {
handler.DataStore
handler.TerminaterDataStore
handler.ConcaterDataStore
handler.LengthDeferrerDataStore
}
type FullUpload interface {
handler.Upload
handler.TerminatableUpload
handler.LengthDeclarableUpload
handler.ConcatableUpload
}
type FullLocker interface {
handler.Locker
}
type FullLock interface {
handler.Lock
}
type httpTest struct {
Name string
Method string
URL string
ReqBody io.Reader
ReqHeader map[string]string
Code int
ResBody string
ResHeader map[string]string
DisallowedResHeader []string
}
func (test *httpTest) Run(handler http.Handler, t *testing.T) *httptest.ResponseRecorder {
req, _ := http.NewRequest(test.Method, test.URL, test.ReqBody)
req.RequestURI = test.URL
// Add headers
for key, value := range test.ReqHeader {
req.Header.Set(key, value)
}
req.Host = "tus.io"
w := httptest.NewRecorder()
handler.ServeHTTP(w, req)
if w.Code != test.Code {
t.Errorf("Expected %v %s as status code (got %v %s)", test.Code, http.StatusText(test.Code), w.Code, http.StatusText(w.Code))
}
for key, value := range test.ResHeader {
header := w.Header().Get(key)
if value != header {
t.Errorf("Expected '%s' as '%s' (got '%s')", value, key, header)
}
}
for _, key := range test.DisallowedResHeader {
header := w.Header().Get(key)
if header != "" {
t.Errorf("Not Expected '%s' (got '%s')", key, header)
}
}
if test.ResBody != "" && w.Body.String() != test.ResBody {
t.Errorf("Expected '%s' as body (got '%s'", test.ResBody, w.Body.String())
}
return w
}
type readerMatcher struct {
expect string
}
// NewReaderMatcher returns a gomock.Matcher which can be used in tests for
// expecting io.Readers as arguments. It will only report an argument x as
// matching if it's an io.Reader which, if fully read, equals the string `expect`.
func NewReaderMatcher(expect string) gomock.Matcher {
return readerMatcher{
expect: expect,
}
}
func (m readerMatcher) Matches(x interface{}) bool {
input, ok := x.(io.Reader)
if !ok {
return false
}
bytes, err := ioutil.ReadAll(input)
// Handle closed pipes similar to how EOF are handled by ioutil.ReadAll,
// we handle this error as if the stream ended normally.
if err == io.ErrClosedPipe {
err = nil
}
if err != nil {
panic(err)
}
readStr := string(bytes)
return reflect.DeepEqual(m.expect, readStr)
}
func (m readerMatcher) String() string {
return fmt.Sprintf("reads to %s", m.expect)
}