Make sure tx are working

README.md

@@ -67,4 +67,4 @@ sqlhooks will intercept Query and Exec functions and instead run your hooks, out
 - [ ] `Hooks{}` should be an interface instead of a struct
 - [ ] Exec and Query hooks should return `(func(), error)`
 - [ ] Arguments should be pointers so queries can be modified
-- [ ] Implement hooks on Tx
+- [x] Implement hooks on Tx

sqlhooks_test.go

@@ -50,6 +50,8 @@ func TestHooks(t *testing.T) {
 		{"query", "SELECT|t|f1|", []interface{}{}},
 		{"stmt.query", "SELECT|t|f1|", nil},
 		{"stmt.exec", "INSERT|t|f1=?", []interface{}{"x"}},
+		{"tx.query", "SELECT|t|f1|", nil},
+		{"tx.exec", "INSERT|t|f1=?", []interface{}{"x"}},
 	}
 
 	for _, test := range tests {
@@ -105,6 +107,28 @@ func TestHooks(t *testing.T) {
 					t.Errorf("prepared exec: %v", err)
 				}
 			}
+		case "tx.query":
+			tx, err := db.Begin()
+			if err != nil {
+				t.Errorf("[%s] begin: %v", test.op, err)
+			}
+			if _, err := tx.Query(test.query, test.args...); err != nil {
+				t.Errorf("[%s] query: %v", test.op, err)
+			}
+			if err := tx.Commit(); err != nil {
+				t.Errorf("[%s] commit: %v", test.op, err)
+			}
+		case "tx.exec":
+			tx, err := db.Begin()
+			if err != nil {
+				t.Errorf("[%s] begin: %v", test.op, err)
+			}
+			if _, err := tx.Exec(test.query, test.args...); err != nil {
+				t.Errorf("[%s] exec: %v", test.op, err)
+			}
+			if err := tx.Commit(); err != nil {
+				t.Errorf("[%s] commit: %v", test.op, err)
+			}
 		}
 
 		if done == false {