@Test
public void should_propagate_initialization_failure() throws Exception {
thrown.expect(IllegalStateException.class);
thrown.expectMessage("foo");
ServletFilter filter = mock(ServletFilter.class);
doThrow(new IllegalStateException("foo")).when(filter).init(any(FilterConfig.class));
FilterConfig config = mock(FilterConfig.class);
MasterServletFilter filters = new MasterServletFilter();
filters.init(config, Arrays.asList(filter));
}
@Test
public void filters_should_be_optional() throws Exception {
FilterConfig config = mock(FilterConfig.class);
MasterServletFilter filters = new MasterServletFilter();
filters.init(config, Collections.<ServletFilter>emptyList());
ServletRequest request = mock(HttpServletRequest.class);
ServletResponse response = mock(HttpServletResponse.class);
FilterChain chain = mock(FilterChain.class);
filters.doFilter(request, response, chain);
verify(chain).doFilter(request, response);
}
@Test
public void should_init_and_destroy_filters() throws Exception {
ServletFilter filter = mock(ServletFilter.class);
FilterConfig config = mock(FilterConfig.class);
MasterServletFilter master = new MasterServletFilter();
master.init(config, Arrays.asList(filter));
assertThat(master.getFilters()).containsOnly(filter);
verify(filter).init(config);
master.destroy();
verify(filter).destroy();
}
@Test
public void should_keep_filter_ordering() throws Exception {
TrueFilter filter1 = new TrueFilter();
TrueFilter filter2 = new TrueFilter();
MasterServletFilter filters = new MasterServletFilter();
filters.init(mock(FilterConfig.class), Arrays.<ServletFilter>asList(filter1, filter2));
HttpServletRequest request = mock(HttpServletRequest.class);
when(request.getRequestURI()).thenReturn("/foo/bar");
when(request.getContextPath()).thenReturn("");
ServletResponse response = mock(HttpServletResponse.class);
FilterChain chain = mock(FilterChain.class);
filters.doFilter(request, response, chain);
assertThat(filter1.count).isEqualTo(1);
assertThat(filter2.count).isEqualTo(2);
}