1 files changed, 48 insertions, 0 deletions
diff --git a/channels/fanout_test.go b/channels/fanout_test.go
new file mode 100644
index 0000000..f8b0380
--- /dev/null
+++ b/channels/fanout_test.go
@@ -0,0 +1,48 @@
+package channels
+
+import (
+	"reflect"
+	"sort"
+	"testing"
+)
+
+func TestFanOut(t *testing.T) {
+	type args struct {
+		in      []int
+		workers int
+	}
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "test fanout - fanin",
+			args: args{
+				in:      []int{1, 2, 3, 4, 5, 6, 7, 8, 9},
+				workers: 2,
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			in := make(chan int)
+			go func() {
+				for _, v := range tt.args.in {
+					in <- v
+				}
+				close(in)
+			}()
+
+			ch := FanOut(in, tt.args.workers)
+			gotCh := FanIn(ch...)
+			got := []int{}
+			for v := range gotCh {
+				got = append(got, v)
+			}
+			sort.Ints(got)
+			if !reflect.DeepEqual(got, tt.args.in) {
+				t.Errorf("FanIn() = %v, want %v", got, tt.args.in)
+			}
+		})
+	}
+}