tests: update makefile and add test for validators and writter

internal/blocker/validators_test.go

@@ -0,0 +1,47 @@
+package blocker
+
+import (
+	"testing"
+)
+
+func TestValidateConfigPath(t *testing.T) {
+	tests := []struct {
+		name    string
+		input   string
+		wantErr bool
+	}{
+		{name: "empty", input: "", wantErr: true},
+		{name: "valid path", input: "/path/to/config", wantErr: false},
+		{name: "invalid path", input: "path/to/config", wantErr: true},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := validateConfigPath(tt.input)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("validateConfigPath(%q) error = %v, wantErr %v", tt.input, err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestValidateIP(t *testing.T) {
+	tests := []struct {
+		name    string
+		input   string
+		wantErr bool
+	}{
+		{name: "empty", input: "", wantErr: true},
+		{name: "invalid IP", input: "1.1.1", wantErr: true},
+		{name: "valid IP", input: "1.1.1.1", wantErr: false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := validateIP(tt.input)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("validateIP(%q) error = %v, wantErr %v", tt.input, err, tt.wantErr)
+			}
+		})
+	}
+}