initial commit

internal/geo/geo_test.go

@@ -0,0 +1,59 @@
+package geo
+
+import (
+	"net"
+	"testing"
+)
+
+func TestNewGeoLookup_NilPath(t *testing.T) {
+	gl, err := NewGeoLookup("")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if gl == nil {
+		t.Fatal("expected non-nil GeoLookup")
+	}
+	if gl.IsEnabled() {
+		t.Error("expected IsEnabled() = false for empty path")
+	}
+}
+
+func TestGeoLookup_LookupWithNoDb(t *testing.T) {
+	gl, _ := NewGeoLookup("")
+	result := gl.Lookup(net.ParseIP("8.8.8.8"))
+	if result != nil {
+		t.Errorf("expected nil result when no db, got %+v", result)
+	}
+}
+
+func TestGeoLookup_LookupNilIP(t *testing.T) {
+	gl, _ := NewGeoLookup("")
+	result := gl.Lookup(nil)
+	if result != nil {
+		t.Errorf("expected nil result for nil IP, got %+v", result)
+	}
+}
+
+func TestNewGeoLookup_InvalidPath(t *testing.T) {
+	_, err := NewGeoLookup("/nonexistent/path/GeoLite2-City.mmdb")
+	if err == nil {
+		t.Error("expected error for nonexistent db file, got nil")
+	}
+}
+
+func TestGeoPoint_Fields(t *testing.T) {
+	gp := GeoPoint{
+		IP:        "1.2.3.4",
+		Lat:       37.751,
+		Lon:       -97.822,
+		Country:   "United States",
+		CountryCode: "US",
+		Count:     42,
+	}
+	if gp.IP != "1.2.3.4" {
+		t.Errorf("IP = %q", gp.IP)
+	}
+	if gp.Count != 42 {
+		t.Errorf("Count = %d", gp.Count)
+	}
+}