1 files changed, 79 insertions, 0 deletions
diff --git a/tests/dialects/test_mysql.py b/tests/dialects/test_mysql.py
new file mode 100644
index 0000000..ee0c5f5
--- /dev/null
+++ b/tests/dialects/test_mysql.py
@@ -0,0 +1,79 @@
+from tests.dialects.test_dialect import Validator
+
+
+class TestMySQL(Validator):
+    dialect = "mysql"
+
+    def test_ddl(self):
+        self.validate_all(
+            "CREATE TABLE z (a INT) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARACTER SET=utf8 COLLATE=utf8_bin COMMENT='x'",
+            write={
+                "mysql": "CREATE TABLE z (a INT) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARACTER SET=utf8 COLLATE=utf8_bin COMMENT='x'",
+                "spark": "CREATE TABLE z (a INT) COMMENT 'x'",
+            },
+        )
+
+    def test_identity(self):
+        self.validate_identity("SELECT CAST(`a`.`b` AS INT) FROM foo")
+
+    def test_introducers(self):
+        self.validate_all(
+            "_utf8mb4 'hola'",
+            read={
+                "mysql": "_utf8mb4'hola'",
+            },
+            write={
+                "mysql": "_utf8mb4 'hola'",
+            },
+        )
+
+    def test_binary_literal(self):
+        self.validate_all(
+            "SELECT 0xCC",
+            write={
+                "mysql": "SELECT b'11001100'",
+                "spark": "SELECT X'11001100'",
+            },
+        )
+        self.validate_all(
+            "SELECT 0xz",
+            write={
+                "mysql": "SELECT `0xz`",
+            },
+        )
+        self.validate_all(
+            "SELECT 0XCC",
+            write={
+                "mysql": "SELECT 0 AS XCC",
+            },
+        )
+
+    def test_string_literals(self):
+        self.validate_all(
+            'SELECT "2021-01-01" + INTERVAL 1 MONTH',
+            write={
+                "mysql": "SELECT '2021-01-01' + INTERVAL 1 MONTH",
+            },
+        )
+
+    def test_convert(self):
+        self.validate_all(
+            "CONVERT(x USING latin1)",
+            write={
+                "mysql": "CAST(x AS CHAR CHARACTER SET latin1)",
+            },
+        )
+        self.validate_all(
+            "CAST(x AS CHAR CHARACTER SET latin1)",
+            write={
+                "mysql": "CAST(x AS CHAR CHARACTER SET latin1)",
+            },
+        )
+
+    def test_hash_comments(self):
+        self.validate_all(
+            "SELECT 1 # arbitrary content,,, until end-of-line",
+            write={
+                "mysql": "SELECT 1",
+            },
+        )