test

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

options/hooks_test.go

@@ -0,0 +1,65 @@
+package options
+
+import "testing"
+
+func TestHooks_Append(t *testing.T) {
+	fn1 := func() {}
+	fn2 := func() {}
+	hs := &Hooks{}
+	hs.Append(fn1, fn2)
+	if len(*hs) != 2 {
+		t.Fatalf("unexpected Append error")
+	}
+}
+
+func TestHooks_Replace(t *testing.T) {
+	fn1 := func() {}
+	fn2 := func() {}
+	hs := &Hooks{}
+	hs.Append(fn1, fn2, fn1)
+	if len(*hs) != 3 {
+		t.Fatalf("unexpected Append error")
+	}
+	hs.Replace(fn1, fn2)
+	if len(*hs) != 2 {
+		t.Fatalf("unexpected Replace error")
+	}
+}
+
+func TestHooks_EachNext(t *testing.T) {
+	n := 5
+	fn1 := func() {
+		n *= 2
+	}
+	fn2 := func() {
+		n -= 10
+	}
+	hs := &Hooks{}
+	hs.Append(fn1, fn2)
+
+	hs.EachNext(func(h Hook) {
+		h.(func())()
+	})
+	if n != 0 {
+		t.Fatalf("unexpected EachNext")
+	}
+}
+
+func TestHooks_EachPrev(t *testing.T) {
+	n := 5
+	fn1 := func() {
+		n *= 2
+	}
+	fn2 := func() {
+		n -= 10
+	}
+	hs := &Hooks{}
+	hs.Append(fn2, fn1)
+
+	hs.EachPrev(func(h Hook) {
+		h.(func())()
+	})
+	if n != 0 {
+		t.Fatalf("unexpected EachPrev")
+	}
+}