feat: unit test for snowflake dialect

Author: boris-snyk

flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/databases/snowflake/dialect/SnowflakeDialectTypeTest.java

@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.connector.jdbc.databases.snowflake.dialect;
+
+import org.apache.flink.connector.jdbc.dialect.JdbcDialectTypeTest;
+
+import java.util.Arrays;
+import java.util.List;
+
+/** Tests for all DataTypes and Dialects of JDBC Snowflake connector. */
+public class SnowflakeDialectTypeTest extends JdbcDialectTypeTest {
+    @Override
+    protected String testDialect() {
+        return "snowflake";
+    }
+
+    @Override
+    protected List<JdbcDialectTypeTest.TestItem> testData() {
+        return Arrays.asList(
+                createTestItem("BOOLEAN"),
+
+                createTestItem("TINYINT"),
+                createTestItem("SMALLINT"),
+                createTestItem("BIGINT"),
+                createTestItem("INT"),
+                createTestItem("INTEGER"),
+
+                createTestItem("DECIMAL"),
+                createTestItem("NUMERIC"),
+
+                createTestItem("DOUBLE"),
+                createTestItem("FLOAT"),
+
+                createTestItem("DECIMAL(10, 4)"),
+                createTestItem("DECIMAL(38, 18)"),
+                createTestItem("VARCHAR"),
+                createTestItem("CHAR"),
+                createTestItem("VARBINARY"),
+                createTestItem("DATE"),
+                createTestItem("TIME"),
+                createTestItem("TIMESTAMP(3)"),
+                createTestItem("TIMESTAMP WITHOUT TIME ZONE"),
+                createTestItem("TIMESTAMP(1) WITHOUT TIME ZONE"),
+                // Not valid data
+                createTestItem("TIMESTAMP_LTZ(3)", "Unsupported type:TIMESTAMP_LTZ(3)"));
+    }
+}