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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 httpclient
import (
"net/http"
"testing"
"time"
"github.com/stretchr/testify/suite"
)
type QueueTestSuite struct {
suite.Suite
}
func (suite *QueueTestSuite) TestQueue() {
maxOpenConns := 5
waitTimeout := 1 * time.Second
rc := &requestQueue{
maxOpenConns: maxOpenConns,
}
// fill all the open connections
var release func()
for i, n := range make([]interface{}, maxOpenConns) {
w, r := rc.getWaitSpot("example.org", http.MethodPost)
w <- n
if i == maxOpenConns-1 {
// save the last release function
release = r
}
}
// try to wait again for the same host/method combo, it should timeout
waitAgain, _ := rc.getWaitSpot("example.org", "post")
select {
case waitAgain <- struct{}{}:
suite.FailNow("first wait did not time out")
case <-time.After(waitTimeout):
break
}
// now close the final release that we derived earlier
release()
// try waiting again, it should work this time
select {
case waitAgain <- struct{}{}:
break
case <-time.After(waitTimeout):
suite.FailNow("second wait timed out")
}
// the POST queue is now sitting on full
suite.Len(waitAgain, maxOpenConns)
// we should still be able to make a GET for the same host though
getWait, getRelease := rc.getWaitSpot("example.org", http.MethodGet)
select {
case getWait <- struct{}{}:
break
case <-time.After(waitTimeout):
suite.FailNow("get wait timed out")
}
// the GET queue has one request waiting
suite.Len(getWait, 1)
// clear it...
getRelease()
suite.Empty(getWait)
// even though the POST queue for example.org is full, we
// should still be able to make a POST request to another host :)
waitForAnotherHost, _ := rc.getWaitSpot("somewhere.else", http.MethodPost)
select {
case waitForAnotherHost <- struct{}{}:
break
case <-time.After(waitTimeout):
suite.FailNow("get wait timed out")
}
suite.Len(waitForAnotherHost, 1)
}
func TestQueueTestSuite(t *testing.T) {
suite.Run(t, &QueueTestSuite{})
}
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