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package eventa_test
import (
"fmt"
"path/filepath"
"reflect"
"runtime"
"testing"
"github.com/ndyakov/eventa"
"github.com/ndyakov/whatever"
)
// assert fails the test if the condition is false.
func assert(tb testing.TB, condition bool, msg string, v ...interface{}) {
if !condition {
_, file, line, _ := runtime.Caller(1)
fmt.Printf("\033[31m%s:%d: "+msg+"\033[39m\n\n", append([]interface{}{filepath.Base(file), line}, v...)...)
tb.FailNow()
}
}
// ok fails the test if an err is not nil.
func ok(tb testing.TB, err error) {
if err != nil {
_, file, line, _ := runtime.Caller(1)
fmt.Printf("\033[31m%s:%d: unexpected error: %s\033[39m\n\n", filepath.Base(file), line, err.Error())
tb.FailNow()
}
}
// notok fails the test if an err is nil.
func notok(tb testing.TB, err error) {
if err == nil {
_, file, line, _ := runtime.Caller(1)
fmt.Printf("\033[31m%s:%d: unexpected error: %s\033[39m\n\n", filepath.Base(file), line, err.Error())
tb.FailNow()
}
}
// equals fails the test if exp is not equal to act.
func equals(tb testing.TB, exp, act interface{}) {
if !reflect.DeepEqual(exp, act) {
_, file, line, _ := runtime.Caller(1)
fmt.Printf("\033[31m%s:%d:\n\n\texp: %#v\n\n\tgot: %#v\033[39m\n\n", filepath.Base(file), line, exp, act)
tb.FailNow()
}
}
func TestCallbackTriggered(t *testing.T) {
incoming := make(chan string)
printEvent := func(l *eventa.Listener, data whatever.Params) {
incoming <- data.Get("message")
}
l := eventa.NewListener()
l.On("32", printEvent)
e := eventa.NewEvent("32")
e.Params.Add("message", "Hello World")
l.Emit(e)
equals(t, "Hello World", <-incoming)
}