/*
 * Copyright 2002-2013 the original author or authors.
 *
 * 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 org.springframework.security.web.header.writers;

import static org.fest.assertions.Assertions.assertThat;

import java.util.Arrays;

import org.junit.Before;
import org.junit.Test;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;

/**
 * @author Rob Winch
 *
 */
public class XXssProtectionHeaderWriterTests {

    private MockHttpServletRequest request;

    private MockHttpServletResponse response;

    private XXssProtectionHeaderWriter writer;

    @Before
    public void setup() {
        request = new MockHttpServletRequest();
        response = new MockHttpServletResponse();
        writer = new XXssProtectionHeaderWriter();
    }

    @Test
    public void writeHeaders() {
        writer.writeHeaders(request, response);

        assertThat(response.getHeaderNames().size()).isEqualTo(1);
        assertThat(response.getHeaderValues("X-XSS-Protection")).isEqualTo(Arrays.asList("1; mode=block"));
    }

    @Test
    public void writeHeadersNoBlock() {
        writer.setBlock(false);

        writer.writeHeaders(request, response);

        assertThat(response.getHeaderNames().size()).isEqualTo(1);
        assertThat(response.getHeaderValues("X-XSS-Protection")).isEqualTo(Arrays.asList("1"));
    }

    @Test
    public void writeHeadersDisabled() {
        writer.setBlock(false);
        writer.setEnabled(false);

        writer.writeHeaders(request, response);

        assertThat(response.getHeaderNames().size()).isEqualTo(1);
        assertThat(response.getHeaderValues("X-XSS-Protection")).isEqualTo(Arrays.asList("0"));
    }

    @Test
    public void setEnabledFalseWithBlockTrue() {
        writer.setEnabled(false);

        writer.writeHeaders(request, response);

        assertThat(response.getHeaderNames().size()).isEqualTo(1);
        assertThat(response.getHeaderValues("X-XSS-Protection")).isEqualTo(Arrays.asList("0"));
    }


    @Test(expected=IllegalArgumentException.class)
    public void setBlockTrueWithEnabledFalse() {
        writer.setBlock(false);
        writer.setEnabled(false);

        writer.setBlock(true);
    }
}
