@Test
public void testGetCouponServletWithEmptyCoupon() throws Exception {
StringWriter stringWriter = new StringWriter();
PrintWriter writer = new PrintWriter(stringWriter);
when(request.getParameter(Constants.COUPON_CODE)).thenReturn("");
when(response.getWriter()).thenReturn(writer);
when(request.getPathInfo()).thenReturn(Constants.GET_COUPON_PATH.toString());
when(request.getMethod()).thenReturn("GET");
servletRouter.doGet(request, response);
assertTrue(stringWriter.toString().contains("Coupon code is empty or not valid"));
}
@Test
public void testGetCouponServletWithSQLException()
throws IOException, SQLException, ServletException {
StringWriter stringWriter = new StringWriter();
PrintWriter writer = new PrintWriter(stringWriter);
when(response.getWriter()).thenReturn(writer);
when(request.getParameter(Constants.COUPON_CODE)).thenReturn(Constants.COUPON_TEST_CODE);
when(couponPluginApi.getCouponByCode(anyString())).thenThrow(SQLException.class);
when(request.getPathInfo()).thenReturn(Constants.GET_COUPON_PATH.toString());
when(request.getMethod()).thenReturn("GET");
servletRouter.doGet(request, response);
assertTrue(stringWriter.toString().contains("SQL Exception"));
}
@Test
public void testGetCouponServletWithNullCoupon() throws Exception {
StringWriter stringWriter = new StringWriter();
PrintWriter writer = new PrintWriter(stringWriter);
when(request.getParameter(Constants.COUPON_CODE)).thenReturn(Constants.COUPON_TEST_CODE);
when(couponPluginApi.getCouponByCode(anyString())).thenReturn(null);
when(couponPluginApi.getProductsOfCoupon(anyString())).thenReturn(new ArrayList());
when(response.getWriter()).thenReturn(writer);
when(request.getPathInfo()).thenReturn(Constants.GET_COUPON_PATH.toString());
when(request.getMethod()).thenReturn("GET");
servletRouter.doGet(request, response);
assertTrue(stringWriter.toString().contains("Coupon not found in the DB"));
}