Added tests

bus_test.go

@@ -1,8 +1,11 @@
 package events
 
 import (
-	"reflect"
+	"errors"
+	"fmt"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func TestNew_Lifecycle(t *testing.T) {
@@ -18,7 +21,7 @@ func TestNew_Lifecycle(t *testing.T) {
 	d.Fire("event", 234, 234)
 	d.Fire("event", "string", "value")
 
-	assertEquals(t, [][]int{
+	assert.Equal(t, [][]int{
 		{1, 123, 123},
 		{2, 123},
 		{3, 123, 0},
@@ -31,8 +34,54 @@ func TestNew_Lifecycle(t *testing.T) {
 	}, receives)
 }
 
-func assertEquals(t testing.TB, expected interface{}, actual interface{}) {
+func TestTryFire(t *testing.T) {
-	if !reflect.DeepEqual(expected, actual) {
+	errVal := errors.New("bang")
-		t.Errorf("Expected %v but was %v", expected, actual)
+
+	tests := []struct {
+		errsRet [3]error
+		wantErr bool
+	}{
+		{
+			errsRet: [3]error{nil, nil, nil},
+			wantErr: false,
+		},
+		{
+			errsRet: [3]error{errVal, nil, nil},
+			wantErr: true,
+		},
+		{
+			errsRet: [3]error{nil, errVal, nil},
+			wantErr: true,
+		},
+		{
+			errsRet: [3]error{nil, nil, errVal},
+			wantErr: true,
+		},
+		{
+			errsRet: [3]error{errVal, nil, errVal},
+			wantErr: true,
+		},
+	}
+
+	for i, tt := range tests {
+		t.Run(fmt.Sprint(i), func(t *testing.T) {
+			d := New()
+			var handlersFired [4]bool
+
+			d.On("event", func() error { handlersFired[0] = true; return tt.errsRet[0] })
+			d.On("event", func(x int) error { handlersFired[1] = true; return tt.errsRet[1] })
+			d.On("event", func(x int, y string) error { handlersFired[2] = true; return tt.errsRet[2] })
+			d.On("event", func(x string, y string) { handlersFired[3] = true })
+
+			err := d.TryFire("event")
+
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+			}
+
+			assert.Equal(t, [4]bool{true, true, true, true}, handlersFired)
+		})
 	}
 }

go.mod

@@ -1,3 +1,5 @@
 module github.com/lmika/events
 
 go 1.14
+
+require github.com/stretchr/testify v1.9.0 // indirect

go.sum

@@ -1,10 +1,22 @@
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=