1 files changed, 77 insertions, 0 deletions
diff --git a/tests/dialects/test_materialize.py b/tests/dialects/test_materialize.py
new file mode 100644
index 0000000..617a9b5
--- /dev/null
+++ b/tests/dialects/test_materialize.py
@@ -0,0 +1,77 @@
+from tests.dialects.test_dialect import Validator
+
+
+class TestMaterialize(Validator):
+    dialect = "materialize"
+
+    def test_materialize(self):
+        self.validate_all(
+            "CREATE TABLE example (id INT PRIMARY KEY, name TEXT)",
+            write={
+                "materialize": "CREATE TABLE example (id INT, name TEXT)",
+                "postgres": "CREATE TABLE example (id INT PRIMARY KEY, name TEXT)",
+            },
+        )
+        self.validate_all(
+            "INSERT INTO example (id, name) VALUES (1, 'Alice') ON CONFLICT(id) DO NOTHING",
+            write={
+                "materialize": "INSERT INTO example (id, name) VALUES (1, 'Alice')",
+                "postgres": "INSERT INTO example (id, name) VALUES (1, 'Alice') ON CONFLICT(id) DO NOTHING",
+            },
+        )
+        self.validate_all(
+            "CREATE TABLE example (id SERIAL, name TEXT)",
+            write={
+                "materialize": "CREATE TABLE example (id INT NOT NULL, name TEXT)",
+                "postgres": "CREATE TABLE example (id INT GENERATED BY DEFAULT AS IDENTITY NOT NULL, name TEXT)",
+            },
+        )
+        self.validate_all(
+            "CREATE TABLE example (id INT AUTO_INCREMENT, name TEXT)",
+            write={
+                "materialize": "CREATE TABLE example (id INT NOT NULL, name TEXT)",
+                "postgres": "CREATE TABLE example (id INT GENERATED BY DEFAULT AS IDENTITY NOT NULL, name TEXT)",
+            },
+        )
+        self.validate_all(
+            'SELECT JSON_EXTRACT_PATH_TEXT(\'{ "farm": {"barn": { "color": "red", "feed stocked": true }}}\', \'farm\', \'barn\', \'color\')',
+            write={
+                "materialize": 'SELECT JSON_EXTRACT_PATH_TEXT(\'{ "farm": {"barn": { "color": "red", "feed stocked": true }}}\', \'farm\', \'barn\', \'color\')',
+                "postgres": 'SELECT JSON_EXTRACT_PATH_TEXT(\'{ "farm": {"barn": { "color": "red", "feed stocked": true }}}\', \'farm\', \'barn\', \'color\')',
+            },
+        )
+        self.validate_all(
+            "SELECT MAP['a' => 1]",
+            write={
+                "duckdb": "SELECT MAP {'a': 1}",
+                "materialize": "SELECT MAP['a' => 1]",
+            },
+        )
+
+        # Test now functions.
+        self.validate_identity("CURRENT_TIMESTAMP")
+        self.validate_identity("NOW()", write_sql="CURRENT_TIMESTAMP")
+        self.validate_identity("MZ_NOW()")
+
+        # Test custom timestamp type.
+        self.validate_identity("SELECT CAST(1 AS mz_timestamp)")
+
+        # Test DDL.
+        self.validate_identity("CREATE TABLE example (id INT, name LIST)")
+
+        # Test list types.
+        self.validate_identity("SELECT LIST[]")
+        self.validate_identity("SELECT LIST[1, 2, 3]")
+        self.validate_identity("SELECT LIST[LIST[1], LIST[2], NULL]")
+        self.validate_identity("SELECT CAST(LIST[1, 2, 3] AS INT LIST)")
+        self.validate_identity("SELECT CAST(NULL AS INT LIST)")
+        self.validate_identity("SELECT CAST(NULL AS INT LIST LIST LIST)")
+        self.validate_identity("SELECT LIST(SELECT 1)")
+
+        # Test map types.
+        self.validate_identity("SELECT MAP[]")
+        self.validate_identity("SELECT MAP['a' => MAP['b' => 'c']]")
+        self.validate_identity("SELECT CAST(MAP['a' => 1] AS MAP[TEXT => INT])")
+        self.validate_identity("SELECT CAST(NULL AS MAP[TEXT => INT])")
+        self.validate_identity("SELECT CAST(NULL AS MAP[TEXT => MAP[TEXT => INT]])")
+        self.validate_identity("SELECT MAP(SELECT 'a', 1)")