Add integration tests for roomserver to travis

.travis.yml

@@ -5,9 +5,16 @@ install:
  - go get github.com/constabulary/gb/...
  - go get github.com/golang/lint/golint
  - go get github.com/fzipp/gocyclo
+ - ./travis-install-kafka.sh
+
+services:
+  - postgresql
+
+addons:
+  postgresql: "9.5"
 
 script:
- - gb build github.com/matrix-org/dendrite/roomserver/roomserver && ./hooks/pre-commit
+ - ./travis-test.sh
 
 notifications:
     webhooks:

src/github.com/matrix-org/dendrite/roomserver/roomserver-integration-tests/main.go

@@ -0,0 +1,209 @@
+package main
+
+import (
+	"fmt"
+	"github.com/matrix-org/gomatrixserverlib"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+var (
+	kafkaDir         = defaulting(os.Getenv("KAFKA_DIR"), "kafka")
+	zookeeperURI     = defaulting(os.Getenv("ZOOKEEPER_URI"), "localhost:2181")
+	kafkaURI         = defaulting(os.Getenv("KAFKA_URIS"), "localhost:9092")
+	timeoutString    = defaulting(os.Getenv("TIMEOUT"), "10s")
+	postgresDatabase = defaulting(os.Getenv("POSTGRES_DATABASE"), "postgres")
+	testDatabaseName = defaulting(os.Getenv("DATABASE_NAME"), "roomserver_test")
+	testDatabase     = defaulting(os.Getenv("DATABASE"), fmt.Sprintf("dbname=%s binary_parameters=yes", testDatabaseName))
+)
+
+func defaulting(value, defaultValue string) string {
+	if value == "" {
+		value = defaultValue
+	}
+	return value
+}
+
+var timeout time.Duration
+
+func init() {
+	var err error
+	timeout, err = time.ParseDuration(timeoutString)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func createDatabase(database string) error {
+	cmd := exec.Command("psql", postgresDatabase)
+	cmd.Stdin = strings.NewReader(
+		fmt.Sprintf("DROP DATABASE IF EXISTS %s; CREATE DATABASE %s;", database, database),
+	)
+	cmd.Stdout = os.Stderr
+	cmd.Stderr = os.Stderr
+	return cmd.Run()
+}
+
+func createTopic(topic string) error {
+	cmd := exec.Command(
+		filepath.Join(kafkaDir, "bin", "kafka-topics.sh"),
+		"--create",
+		"--zookeeper", zookeeperURI,
+		"--replication-factor", "1",
+		"--partitions", "1",
+		"--topic", topic,
+	)
+	cmd.Stdout = os.Stderr
+	cmd.Stderr = os.Stderr
+	return cmd.Run()
+}
+
+func writeToTopic(topic string, data []string) error {
+	cmd := exec.Command(
+		filepath.Join(kafkaDir, "bin", "kafka-console-producer.sh"),
+		"--broker-list", kafkaURI,
+		"--topic", topic,
+	)
+	cmd.Stderr = os.Stderr
+	cmd.Stdin = strings.NewReader(strings.Join(data, "\n"))
+	return cmd.Run()
+}
+
+func runAndReadFromTopic(runCmd *exec.Cmd, topic string, count int) ([]string, error) {
+	type result struct {
+		data []byte
+		err  error
+	}
+	done := make(chan result)
+	readCmd := exec.Command(
+		filepath.Join(kafkaDir, "bin", "kafka-console-consumer.sh"),
+		"--bootstrap-server", kafkaURI,
+		"--topic", topic,
+		"--from-beginning",
+		"--max-messages", fmt.Sprintf("%d", count),
+	)
+	readCmd.Stderr = os.Stderr
+	go func() {
+		data, err := readCmd.Output()
+		done <- result{data, err}
+	}()
+	go func() {
+		err := runCmd.Run()
+		done <- result{nil, err}
+	}()
+	go func() {
+		time.Sleep(timeout)
+		done <- result{nil, fmt.Errorf("Timeout reading %d messages from topic %q", count, topic)}
+	}()
+	r := <-done
+
+	runCmd.Process.Kill()
+	readCmd.Process.Kill()
+	lines := strings.Split(string(r.data), "\n")
+	if len(lines) > 0 {
+		lines = lines[:len(lines)-1]
+	}
+	return lines, r.err
+}
+
+func deleteTopic(topic string) error {
+	cmd := exec.Command(
+		filepath.Join(kafkaDir, "bin", "kafka-topics.sh"),
+		"--delete",
+		"--if-exists",
+		"--zookeeper", zookeeperURI,
+		"--topic", topic,
+	)
+	cmd.Stderr = os.Stderr
+	cmd.Stdout = os.Stderr
+	return cmd.Run()
+}
+
+func testRoomServer(input []string, wantOutput []string) {
+	const (
+		inputTopic  = "roomserverInput"
+		outputTopic = "roomserverOutput"
+	)
+	deleteTopic(inputTopic)
+	if err := createTopic(inputTopic); err != nil {
+		panic(err)
+	}
+	deleteTopic(outputTopic)
+	if err := createTopic(outputTopic); err != nil {
+		panic(err)
+	}
+
+	if err := writeToTopic(inputTopic, input); err != nil {
+		panic(err)
+	}
+
+	if err := createDatabase(testDatabaseName); err != nil {
+		panic(err)
+	}
+
+	cmd := exec.Command(filepath.Join(filepath.Dir(os.Args[0]), "roomserver"))
+
+	cmd.Env = append(
+		os.Environ(),
+		fmt.Sprintf("DATABASE=%s", testDatabase),
+		fmt.Sprintf("KAFKA_URIS=%s", kafkaURI),
+		fmt.Sprintf("TOPIC_INPUT_ROOM_EVENT=%s", inputTopic),
+		fmt.Sprintf("TOPIC_OUTPUT_ROOM_EVENT=%s", outputTopic),
+	)
+	cmd.Stderr = os.Stderr
+
+	gotOutput, err := runAndReadFromTopic(cmd, outputTopic, 1)
+	if err != nil {
+		panic(err)
+	}
+
+	if len(wantOutput) != len(gotOutput) {
+		panic(fmt.Errorf("Wanted %d lines of output got %d lines", len(wantOutput), len(gotOutput)))
+	}
+
+	for i := range wantOutput {
+		if !equalJSON(wantOutput[i], gotOutput[i]) {
+			panic(fmt.Errorf("Wanted %q at index %d got %q", wantOutput[i], i, gotOutput[i]))
+		}
+	}
+
+}
+
+func equalJSON(a, b string) bool {
+	canonicalA, err := gomatrixserverlib.CanonicalJSON([]byte(a))
+	if err != nil {
+		panic(err)
+	}
+	canonicalB, err := gomatrixserverlib.CanonicalJSON([]byte(b))
+	if err != nil {
+		panic(err)
+	}
+	return string(canonicalA) == string(canonicalB)
+}
+
+func main() {
+	fmt.Println("==TESTING==", os.Args[0])
+
+	input := []string{
+		`{"AuthEventIDs": [], "Kind": 1, "Event": {"origin": "matrix.org", "signatures": {"matrix.org": {"ed25519:auto": "3kXGwNtdj+zqEXlI8PWLiB76xtrQ7SxcvPuXAEVCTo+QPoBoUvLi1RkHs6O5mDz7UzIowK5bi1seAN4vOh0OBA"}}, "origin_server_ts": 1463671337837, "sender": "@richvdh:matrix.org", "event_id": "$1463671337126266wrSBX:matrix.org", "prev_events": [], "unsigned": {"age_ts": 1463671337837}, "state_key": "", "content": {"creator": "@richvdh:matrix.org"}, "depth": 1, "prev_state": [], "room_id": "!HCXfdvrfksxuYnIFiJ:matrix.org", "auth_events": [], "hashes": {"sha256": "Q05VLC8nztN2tguy+KnHxxhitI95wK9NelnsDaXRqeo"}, "type": "m.room.create"}}`,
+		`{"AuthEventIDs": ["$1463671337126266wrSBX:matrix.org"], "Kind": 2, "StateEventIDs": ["$1463671337126266wrSBX:matrix.org"], "Event": {"origin": "matrix.org", "signatures": {"matrix.org": {"ed25519:auto": "a2b3xXYVPPFeG1sHCU3hmZnAaKqZFgzGZozijRGblG5Y//ewRPAn1A2mCrI2UM5I+0zqr70cNpHgF8bmNFu4BA"}}, "origin_server_ts": 1463671339844, "sender": "@richvdh:matrix.org", "event_id": "$1463671339126270PnVwC:matrix.org", "prev_events": [["$1463671337126266wrSBX:matrix.org", {"sha256": "h/VS07u8KlMwT3Ee8JhpkC7sa1WUs0Srgs+l3iBv6c0"}]], "membership": "join", "state_key": "@richvdh:matrix.org", "unsigned": {"age_ts": 1463671339844}, "content": {"membership": "join", "avatar_url": "mxc://matrix.org/ZafPzsxMJtLaSaJXloBEKiws", "displayname": "richvdh"}, "depth": 2, "prev_state": [], "room_id": "!HCXfdvrfksxuYnIFiJ:matrix.org", "auth_events": [["$1463671337126266wrSBX:matrix.org", {"sha256": "h/VS07u8KlMwT3Ee8JhpkC7sa1WUs0Srgs+l3iBv6c0"}]], "hashes": {"sha256": "t9t3sZV1Eu0P9Jyrs7pge6UTa1zuTbRdVxeUHnrQVH0"}, "type": "m.room.member"}, "HasState": true}`,
+	}
+
+	want := []string{
+		`{
+			"Event":{"auth_events":[["$1463671337126266wrSBX:matrix.org",{"sha256":"h/VS07u8KlMwT3Ee8JhpkC7sa1WUs0Srgs+l3iBv6c0"}]],"content":{"avatar_url":"mxc://matrix.org/ZafPzsxMJtLaSaJXloBEKiws","displayname":"richvdh","membership":"join"},"depth":2,"event_id":"$1463671339126270PnVwC:matrix.org","hashes":{"sha256":"t9t3sZV1Eu0P9Jyrs7pge6UTa1zuTbRdVxeUHnrQVH0"},"membership":"join","origin":"matrix.org","origin_server_ts":1463671339844,"prev_events":[["$1463671337126266wrSBX:matrix.org",{"sha256":"h/VS07u8KlMwT3Ee8JhpkC7sa1WUs0Srgs+l3iBv6c0"}]],"prev_state":[],"room_id":"!HCXfdvrfksxuYnIFiJ:matrix.org","sender":"@richvdh:matrix.org","signatures":{"matrix.org":{"ed25519:auto":"a2b3xXYVPPFeG1sHCU3hmZnAaKqZFgzGZozijRGblG5Y//ewRPAn1A2mCrI2UM5I+0zqr70cNpHgF8bmNFu4BA"}},"state_key":"@richvdh:matrix.org","type":"m.room.member","unsigned":{"age_ts":1463671339844}},
+			"VisibilityEventIDs":null,
+			"LatestEventIDs":["$1463671339126270PnVwC:matrix.org"],
+			"AddsStateEventIDs":null,
+			"RemovesStateEventIDs":null,
+			"LastSentEventID":""
+		}`,
+	}
+
+	testRoomServer(input, want)
+
+	fmt.Println("==PASSED==", os.Args[0])
+}

travis-install-kafka.sh

@@ -0,0 +1,9 @@
+# /bin/bash
+
+MIRROR=http://mirror.ox.ac.uk/sites/rsync.apache.org/kafka/0.10.2.0/kafka_2.11-0.10.2.0.tgz
+
+test -f kafka.tgz || wget $MIRROR -O kafka.tgz
+mkdir -p kafka && tar xzf kafka.tgz -C kafka --strip-components 1
+kafka/bin/zookeeper-server-start.sh -daemon kafka/config/zookeeper.properties
+echo "delete.topic.enable=true" >> kafka/config/server.properties
+kafka/bin/kafka-server-start.sh -daemon kafka/config/server.properties

travis-test.sh

@@ -0,0 +1,13 @@
+#! /bin/bash
+
+set -eu
+
+# Check that the servers build
+gb build github.com/matrix-org/dendrite/roomserver/roomserver
+gb build github.com/matrix-org/dendrite/roomserver/roomserver-integration-tests
+
+# Run the pre commit hooks
+./hooks/pre-commit
+
+# Run the integration tests
+${DEBUG:=""} bin/roomserver-integration-tests