add dao test

src/test/TestDao.kt

@@ -0,0 +1,58 @@
+package test
+
+import com.msksbr.SQL.Connector
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertNotNull
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+
+class TestDao {
+    private var connector: Connector? = null
+
+    @BeforeEach
+    fun setUp() {
+            connector = Connector()
+            connector?.executeUpdate(
+                "CREATE TABLE test_table(\n" +
+                        "\ttest_string CHAR(35),\n" +
+                        "\ttest_int INT\n" +
+                        ");"
+            )
+            connector?.executeUpdate(
+                "INSERT INTO test_table\n" +
+                        "VALUES (\n" +
+                        "        '1',1\n" +
+                        "       );"
+            )
+    }
+
+    @AfterEach
+    fun tearDown() {
+            connector?.executeUpdate("DROP TABLE test_table")
+    }
+
+    @Test
+    fun testQuery() {
+        val rs = connector!!.executeQuery("SELECT * FROM test_table")
+        assertNotNull(rs,"result was null")
+        assertTrue(rs.next(),"No results found")
+        assertEquals(rs.getString("test_string"), "1","test_string is not \"1\"")
+        assertEquals(rs.getInt("test_int"), 1,"test_int is not 1")
+    }
+    @Test
+    fun testUpdate(){
+        val rs = connector!!.executeUpdate("INSERT INTO test_table\n" +
+                "VALUES (\n" +
+                "        '2',2\n" +
+                "       );")
+        val rs_q=connector!!.executeQuery("SELECT * FROM test_table WHERE test_string = '2';")
+        assertNotNull(rs,"result was null")
+        assertNotNull(rs_q,"result_q was null")
+        assertTrue(rs_q.next(),"no results found")
+        assertEquals(rs_q.getString("test_string"), "2","test_string is not \"2\"")
+        assertEquals(rs_q.getInt("test_int"), 2,"test_int is not 1")
+    }
+}