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/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package testrig
import (
"bytes"
"io"
"mime/multipart"
"net/url"
"os"
"time"
)
// CreateMultipartFormData is a handy function for taking a fieldname and a filename, and creating a multipart form bytes buffer
// with the file contents set in the given fieldname. The extraFields param can be used to add extra FormFields to the request, as necessary.
// The returned bytes.Buffer b can be used like so:
//
// httptest.NewRequest(http.MethodPost, "https://example.org/whateverpath", bytes.NewReader(b.Bytes()))
//
// The returned *multipart.Writer w can be used to set the content type of the request, like so:
//
// req.Header.Set("Content-Type", w.FormDataContentType())
func CreateMultipartFormData(fieldName string, fileName string, extraFields map[string]string) (bytes.Buffer, *multipart.Writer, error) {
var b bytes.Buffer
w := multipart.NewWriter(&b)
var fw io.Writer
if fileName != "" {
file, err := os.Open(fileName)
if err != nil {
return b, nil, err
}
if fw, err = w.CreateFormFile(fieldName, file.Name()); err != nil {
return b, nil, err
}
if _, err = io.Copy(fw, file); err != nil {
return b, nil, err
}
}
for k, v := range extraFields {
f, err := w.CreateFormField(k)
if err != nil {
return b, nil, err
}
if _, err := io.Copy(f, bytes.NewBufferString(v)); err != nil {
return b, nil, err
}
}
if err := w.Close(); err != nil {
return b, nil, err
}
return b, w, nil
}
// URLMustParse tries to parse the given URL and panics if it can't.
// Should only be used in tests.
func URLMustParse(stringURL string) *url.URL {
u, err := url.Parse(stringURL)
if err != nil {
panic(err)
}
return u
}
// TimeMustParse tries to parse the given time as RFC3339, and panics if it can't.
// Should only be used in tests.
func TimeMustParse(timeString string) time.Time {
t, err := time.Parse(time.RFC3339, timeString)
if err != nil {
panic(err)
}
return t
}
// WaitFor calls condition every 200ms, returning true
// when condition() returns true, or false after 5s.
//
// It's useful for when you're waiting for something to
// happen, but you don't know exactly how long it will take,
// and you want to fail if the thing doesn't happen within 5s.
func WaitFor(condition func() bool) bool {
tick := time.NewTicker(200 * time.Millisecond)
defer tick.Stop()
timeout := time.NewTimer(5 * time.Second)
defer timeout.Stop()
for {
select {
case <-tick.C:
if condition() {
return true
}
case <-timeout.C:
return false
}
}
}
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