test(create): added more test on errors

create_test.go

@@ -28,9 +28,40 @@ func TestCreate(t *testing.T) {
 		if err != nil {
 			t.Fatal(err.Error())
 		}
-		result := "CREATE TABLE `users` (`id` uuid, `name` varchar(255), `password` text, `date` date); ALTER TABLE `users` ADD PRIMARY KEY (`id`); ALTER TABLE `users` ADD UNIQUE (`email`)"
+		result := "CREATE TABLE `users` (`id` uuid, `name` varchar(255), `email` varchar(255), `password` text, `date` date); ALTER TABLE `users` ADD PRIMARY KEY (`id`); ALTER TABLE `users` ADD UNIQUE (`email`);"
 		if sql != result {
 			t.Fatal("sql is not equal to result:", sql)
 		}
 	})
+
+	t.Run("should emit error on unmatched column and types length", func(t *testing.T) {
+		_, _, err := bob.CreateTable("users").
+			Columns("id", "name", "email", "password", "date").
+			Types("uuid", "varchar(255)", "varchar(255)", "date").
+			ToSql()
+		if err.Error() != "columns and types should have equal length" {
+			t.Fatal("should throw an error, it didn't:", err.Error())
+		}
+	})
+
+	t.Run("should emit error on empty table name", func(t *testing.T) {
+		_, _, err := bob.CreateTable("").Columns("name").Types("text").ToSql()
+		if err.Error() != "create statements must specify a table" {
+			t.Fatal("should throw an error, it didn't:", err.Error())
+		}
+	})
+
+	t.Run("should emit error for primary key not in columns", func(t *testing.T) {
+		_, _, err := bob.CreateTable("").Columns("name").Types("text").Primary("id").ToSql()
+		if err.Error() != "supplied primary column name doesn't exists on columns" {
+			t.Fatal("should throw an error, it didn't:", err.Error())
+		}
+	})
+
+	t.Run("should emit error for unique key not in columns", func(t *testing.T) {
+		_, _, err := bob.CreateTable("").Columns("name").Types("text").Unique("id").ToSql()
+		if err.Error() != "supplied unique column name doesn't exists on columns" {
+			t.Fatal("should throw an error, it didn't:", err.Error())
+		}
+	})
 }