add mock testcase

mockdriver/src/main/java/org/jaydebeapi/mockdriver/MockConnection.java

@@ -1,6 +1,7 @@
 package org.jaydebeapi.mockdriver;
 
 import java.lang.reflect.Field;
+import java.math.BigDecimal;
 import java.sql.Connection;
 import java.sql.Date;
 import java.sql.PreparedStatement;
@@ -59,6 +60,23 @@ public abstract class MockConnection implements Connection {
     Mockito.when(this.prepareStatement(Mockito.anyString())).thenReturn(mockPreparedStatement);
   }
 
+  public final void mockSimpleDecimalResult(int value) throws SQLException {
+    PreparedStatement mockPreparedStatement = Mockito.mock(PreparedStatement.class);
+    Mockito.when(mockPreparedStatement.execute()).thenReturn(true);
+    mockResultSet = Mockito.mock(ResultSet.class, "ResultSet(for simple decimal)");
+    Mockito.when(mockPreparedStatement.getResultSet()).thenReturn(mockResultSet);
+    Mockito.when(mockResultSet.next()).thenReturn(true);
+    ResultSetMetaData mockMetaData = Mockito.mock(ResultSetMetaData.class);
+    Mockito.when(mockResultSet.getMetaData()).thenReturn(mockMetaData);
+    Mockito.when(mockMetaData.getColumnCount()).thenReturn(1);
+
+    BigDecimal bd = new BigDecimal(Integer.toString(value));
+    Mockito.when(mockResultSet.getObject(1)).thenReturn(bd);
+    Mockito.when(mockResultSet.getBigDecimal(1)).thenReturn(bd);
+    Mockito.when(mockMetaData.getColumnType(1)).thenReturn(Types.DECIMAL);
+    Mockito.when(this.prepareStatement(Mockito.anyString())).thenReturn(mockPreparedStatement);
+  }
+
   public final void mockDateResult(int year, int month, int day) throws SQLException {
     PreparedStatement mockPreparedStatement = Mockito.mock(PreparedStatement.class);
     Mockito.when(mockPreparedStatement.execute()).thenReturn(true);

test/test_mock.py

@@ -57,6 +57,13 @@ class MockTest(unittest.TestCase):
         result = cursor.fetchone()
         self.assertEquals(result[0], "1899-12-31")
 
+    def test_simple_decimal(self):
+        self.conn.jconn.mockSimpleDecimalResult(12345)
+        cursor = self.conn.cursor()
+        cursor.execute("dummy stmt")
+        result = cursor.fetchone()
+        self.assertEquals(result[0], 12345)
+
     def test_sql_exception_on_execute(self):
         self.conn.jconn.mockExceptionOnExecute("java.sql.SQLException", "expected")
         cursor = self.conn.cursor()