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Add some comments to testRoomserver

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This commit is contained in:
Mark Haines 2017-03-03 16:58:19 +00:00
parent 505055a9ca
commit a00242dde0
1 changed files with 12 additions and 3 deletions
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15
src/github.com/matrix-org/dendrite/roomserver/roomserver-integration-tests/main.go
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@ -170,7 +170,16 @@ func deleteTopic(topic string) error {
return cmd.Run()
}
func testRoomServer(input []string, wantOutput []string, checkQueries func(api.RoomserverQueryAPI)) {
// testRoomserver is used run integration tests against a single roomserver.
// It creates new kafka topics for the input and output of the roomserver.
// It writes the input messages to the input kafka topic, formatting each message
// as canonical JSON so that it fits on a single line.
// It then runs the roomserver and waits for a number of messages to be written
// to the output topic.
// Once those messages have been written it runs the checkQueries function passing
// a api.RoomserverQueryAPI client. The caller can use this function to check the
// behaviour of the query API.
func testRoomserver(input []string, wantOutput []string, checkQueries func(api.RoomserverQueryAPI)) {
const (
inputTopic = "roomserverInput"
outputTopic = "roomserverOutput"
@ -208,7 +217,7 @@ func testRoomServer(input []string, wantOutput []string, checkQueries func(api.R
)
cmd.Stderr = os.Stderr
gotOutput, err := runAndReadFromTopic(cmd, outputTopic, 1, func() {
gotOutput, err := runAndReadFromTopic(cmd, outputTopic, len(wantOutput), func() {
queryAPI := api.NewRoomserverQueryAPIHTTP("http://"+roomserverAddr, nil)
checkQueries(queryAPI)
})
@ -351,7 +360,7 @@ func main() {
}`,
}
testRoomServer(input, want, func(q api.RoomserverQueryAPI) {
testRoomserver(input, want, func(q api.RoomserverQueryAPI) {
var response api.QueryLatestEventsAndStateResponse
if err := q.QueryLatestEventsAndState(
&api.QueryLatestEventsAndStateRequest{RoomID: "!HCXfdvrfksxuYnIFiJ:matrix.org"},