/
natsby_test.go
101 lines (79 loc) · 2.05 KB
/
natsby_test.go
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package natsby
import (
"os"
"testing"
"time"
"github.com/nats-io/nats.go"
"github.com/stretchr/testify/assert"
)
func TestNew(t *testing.T) {
nc, _ := nats.Connect(nats.DefaultURL)
engine, _ := New(nc)
assert.Equal(t, os.Stdout, engine.OutWriter)
assert.Equal(t, os.Stderr, engine.ErrWriter)
assert.Equal(t, nc, engine.Conn)
}
func TestNewOptions(t *testing.T) {
nc, _ := nats.Connect(nats.DefaultURL)
var c *nats.EncodedConn
configureEncodedConnection := func(e *Engine) error {
var err error
c, err = nats.NewEncodedConn(e.Conn, nats.JSON_ENCODER)
if err != nil {
return err
}
e.EncodedConn = c
return nil
}
engine, _ := New(nc, configureEncodedConnection)
assert.Equal(t, os.Stdout, engine.OutWriter)
assert.Equal(t, os.Stderr, engine.ErrWriter)
assert.Equal(t, nc, engine.Conn)
assert.Equal(t, c, engine.EncodedConn)
}
func TestUse(t *testing.T) {
e := Engine{}
handler := func(c *Context) {}
e.Use(handler)
assert.Len(t, e.middleware, 1)
}
func TestSubscribe(t *testing.T) {
engine := Engine{}
handler := func(c *Context) {}
engine.Subscribe("test.subject", handler)
assert.Equal(t, 1, len(engine.subscribers))
}
func TestRun(t *testing.T) {
nc, _ := nats.Connect(nats.DefaultURL)
engine, _ := New(nc)
handler := func(c *Context) {
c.ByteReplyPayload = []byte("pong")
}
engine.Subscribe("test.subject", WithByteReply(), handler)
didCallCallback := false
callback := func() {
didCallCallback = true
}
go engine.Run(callback)
// Let the listeners regiser
time.Sleep(1 * time.Second)
_, err := nc.Request("test.subject", []byte(""), 1*time.Second)
if err != nil {
panic(err)
}
engine.Shutdown()
assert.True(t, didCallCallback)
}
func TestRunQueue(t *testing.T) {
nc, _ := nats.Connect(nats.DefaultURL)
configureQueueGroup := func(e *Engine) error {
e.QueueGroup = "group"
return nil
}
engine, _ := New(nc, configureQueueGroup)
handler := func(c *Context) {}
engine.Subscribe("test.subject", handler)
go engine.Run()
engine.Shutdown()
assert.Equal(t, true, true, "Engine started and shutdown")
}