com.gu.management.logging.Log4JManagerServletTest.java Source code

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Here is the source code for com.gu.management.logging.Log4JManagerServletTest.java

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/*
 * Copyright 2010 Guardian News and Media
 *
 *    Licensed 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 com.gu.management.logging;

import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.hamcrest.Matchers;
import org.junit.Before;
import org.junit.Test;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;

import static org.hamcrest.Matchers.containsString;
import static org.junit.Assert.assertThat;
import static org.mockito.MockitoAnnotations.initMocks;

public class Log4JManagerServletTest {

    // this is our test subject, we don't log here, that would be silly
    private static final Logger LOGGER = Logger.getLogger(Log4JManagerServletTest.class);

    private MockHttpServletRequest request;
    private MockHttpServletResponse response;

    private Log4JManagerServlet servlet;

    @Before
    public void setUp() throws Exception {
        initMocks(this);

        request = new MockHttpServletRequest();
        response = new MockHttpServletResponse();

        servlet = new Log4JManagerServlet();
    }

    @Test
    public void shouldIncludeOurTestLoggerInForm() throws Exception {

        servlet.doGet(request, response);

        assertThat(response.getContentAsString(),
                containsString("<select name=\"com.gu.management.logging.Log4JManagerServletTest\">"));
    }

    @Test
    public void shouldUpdateLoggingLevelOnSubmit() throws Exception {
        LOGGER.setLevel(Level.DEBUG);

        request.addParameter("com.gu.management.logging.Log4JManagerServletTest", "TRACE");
        servlet.doPost(request, response);

        assertThat(LOGGER.getLevel(), Matchers.equalTo(Level.TRACE));
    }

    @Test
    public void shouldRedisplayeFormAfterPostRequest() throws Exception {

        servlet.doPost(request, response);

        assertThat(response.getContentAsString(),
                containsString("<select name=\"com.gu.management.logging.Log4JManagerServletTest\">"));
    }

    @Test
    public void shouldSetLogLevelToNullOnDefaultSubmit() throws Exception {
        LOGGER.setLevel(Level.DEBUG);

        request.addParameter("com.gu.management.logging.Log4JManagerServletTest", "DEFAULT");
        servlet.doPost(request, response);

        assertThat(LOGGER.getLevel(), Matchers.<Object>nullValue());
    }

    @Test
    public void shouldNotSetLogLevelIfNotSpecifiedinformSubmission() throws Exception {
        LOGGER.setLevel(Level.DEBUG);

        servlet.doPost(request, response);

        assertThat(LOGGER.getLevel(), Matchers.equalTo(Level.DEBUG));
    }
}