/*
 * 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.util.matcher;

import static org.fest.assertions.Assertions.assertThat;
import static org.mockito.Mockito.when;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import org.springframework.security.web.util.matcher.RequestMatcher;
import org.springframework.security.web.util.matcher.OrRequestMatcher;

/**
 *
 * @author Rob Winch
 *
 */
@RunWith(MockitoJUnitRunner.class)
public class OrRequestMatcherTests {
    @Mock
    private RequestMatcher delegate;

    @Mock
    private RequestMatcher delegate2;

    @Mock
    private HttpServletRequest request;

    private RequestMatcher matcher;

    @Test(expected = NullPointerException.class)
    public void constructorNullArray() {
        new OrRequestMatcher((RequestMatcher[]) null);
    }

    @Test(expected = IllegalArgumentException.class)
    public void constructorArrayContainsNull() {
        new OrRequestMatcher((RequestMatcher)null);
    }

    @Test(expected = IllegalArgumentException.class)
    public void constructorEmptyArray() {
        new OrRequestMatcher(new RequestMatcher[0]);
    }

    @Test(expected = IllegalArgumentException.class)
    public void constructorNullList() {
        new OrRequestMatcher((List<RequestMatcher>) null);
    }

    @Test(expected = IllegalArgumentException.class)
    public void constructorListContainsNull() {
        new OrRequestMatcher(Arrays.asList((RequestMatcher)null));
    }

    @Test(expected = IllegalArgumentException.class)
    public void constructorEmptyList() {
        new OrRequestMatcher(Collections.<RequestMatcher>emptyList());
    }

    @Test
    public void matchesSingleTrue() {
        when(delegate.matches(request)).thenReturn(true);
        matcher = new OrRequestMatcher(delegate);

        assertThat(matcher.matches(request)).isTrue();
    }

    @Test
    public void matchesMultiTrue() {
        when(delegate.matches(request)).thenReturn(true);
        when(delegate2.matches(request)).thenReturn(true);
        matcher = new OrRequestMatcher(delegate, delegate2);

        assertThat(matcher.matches(request)).isTrue();
    }


    @Test
    public void matchesSingleFalse() {
        when(delegate.matches(request)).thenReturn(false);
        matcher = new OrRequestMatcher(delegate);

        assertThat(matcher.matches(request)).isFalse();
    }

    @Test
    public void matchesMultiBothFalse() {
        when(delegate.matches(request)).thenReturn(false);
        when(delegate2.matches(request)).thenReturn(false);
        matcher = new OrRequestMatcher(delegate, delegate2);

        assertThat(matcher.matches(request)).isFalse();
    }

    @Test
    public void matchesMultiSingleFalse() {
        when(delegate.matches(request)).thenReturn(true);
        when(delegate2.matches(request)).thenReturn(false);
        matcher = new OrRequestMatcher(delegate, delegate2);

        assertThat(matcher.matches(request)).isTrue();
    }
}