package greet import ( "context" "testing" ) func TestServiceV2_GreetV2(t *testing.T) { service := NewServiceV2() tests := []struct { name string expected string }{ {"", "Hello my friend!"}, {"John", "Hello my friend John!"}, {"Alice", "Hello my friend Alice!"}, {" ", "Hello my friend !"}, // spaces are not considered empty } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { result := service.GreetV2(context.Background(), tt.name) if result != tt.expected { t.Errorf("GreetV2(%q) = %q, want %q", tt.name, result, tt.expected) } }) } }