diff --git a/types/types_test.go b/types/types_test.go
new file mode 100644
index 00000000..866a6cba
--- /dev/null
+++ b/types/types_test.go
@@ -0,0 +1,47 @@
+package types
+
+import "testing"
+
+func TestParsePolicy(t *testing.T) {
+	type args struct {
+		policy string
+	}
+	tests := []struct {
+		name string
+		args args
+		want PolicyType
+	}{
+		{
+			name: "all",
+			args: args{policy: "all"},
+			want: PolicyTypeAll,
+		},
+		{
+			name: "minor",
+			args: args{policy: "minor"},
+			want: PolicyTypeMinor,
+		},
+		{
+			name: "major",
+			args: args{policy: "major"},
+			want: PolicyTypeMajor,
+		},
+		{
+			name: "patch",
+			args: args{policy: "patch"},
+			want: PolicyTypePatch,
+		},
+		{
+			name: "random",
+			args: args{policy: "rand"},
+			want: PolicyTypeUnknown,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := ParsePolicy(tt.args.policy); got != tt.want {
+				t.Errorf("ParsePolicy() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}