/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.sling.testing.mock.sling.builder;

import java.util.Map;

import org.apache.sling.api.resource.ValueMap;
import org.apache.sling.api.wrappers.ValueMapDecorator;
import org.junit.Before;
import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;

public class ImmutableValueMapTest {

    private static final Map<String, Object> SAMPLE_PROPS = Map.<String, Object>of("prop1", "value1", "prop2", 55);

    private ValueMap underTest;

    @Before
    public void setUp() {
        underTest = ImmutableValueMap.copyOf(SAMPLE_PROPS);
    }

    @Test
    public void testProperties() {
        assertEquals("value1", underTest.get("prop1", String.class));
        assertEquals((Integer) 55, underTest.get("prop2", Integer.class));
    }

    @Test
    public void testDefault() {
        assertEquals("def", underTest.get("prop3", "def"));
    }

    @Test
    public void testMapAccessMethods() {
        assertEquals(2, underTest.size());
        assertFalse(underTest.isEmpty());
        assertTrue(underTest.containsKey("prop1"));
        assertTrue(underTest.containsValue("value1"));
        assertEquals("value1", underTest.get("prop1"));
        assertTrue(underTest.keySet().contains("prop1"));
        assertTrue(underTest.values().contains("value1"));
        assertEquals(2, underTest.entrySet().size());
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testMapClear() {
        underTest.clear();
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testMapRemove() {
        underTest.remove("prop2");
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testMapPut() {
        underTest.put("prop3", "value3");
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testMapPutAll() {
        underTest.putAll(Map.<String, Object>of(
                "prop4", 25,
                "prop5", 33));
    }

    @Test
    public void testOf() {
        ValueMap map = ImmutableValueMap.of();
        assertTrue(map.isEmpty());
    }

    @Test
    public void testOfx1() {
        ValueMap map = ImmutableValueMap.of("p1", "v1");
        assertEquals(1, map.size());
        assertEquals("v1", map.get("p1"));
    }

    @Test
    public void testOfx2() {
        ValueMap map = ImmutableValueMap.of("p1", "v1", "p2", "v2");
        assertEquals(2, map.size());
        assertEquals("v1", map.get("p1"));
        assertEquals("v2", map.get("p2"));
    }

    @Test
    public void testOfx3() {
        ValueMap map = ImmutableValueMap.of("p1", "v1", "p2", "v2", "p3", "v3");
        assertEquals(3, map.size());
        assertEquals("v1", map.get("p1"));
        assertEquals("v2", map.get("p2"));
        assertEquals("v3", map.get("p3"));
    }

    @Test
    public void testOfx4() {
        ValueMap map = ImmutableValueMap.of("p1", "v1", "p2", "v2", "p3", "v3", "p4", "v4");
        assertEquals(4, map.size());
        assertEquals("v1", map.get("p1"));
        assertEquals("v2", map.get("p2"));
        assertEquals("v3", map.get("p3"));
        assertEquals("v4", map.get("p4"));
    }

    @Test
    public void testOfx5() {
        ValueMap map = ImmutableValueMap.of("p1", "v1", "p2", "v2", "p3", "v3", "p4", "v4", "p5", "v5");
        assertEquals(5, map.size());
        assertEquals("v1", map.get("p1"));
        assertEquals("v2", map.get("p2"));
        assertEquals("v3", map.get("p3"));
        assertEquals("v4", map.get("p4"));
        assertEquals("v5", map.get("p5"));
    }

    @Test
    public void testBuilder() {
        ValueMap map = ImmutableValueMap.builder()
                .put("p1", "v1")
                .putAll(Map.<String, Object>of("p2", "v2", "p3", "v3"))
                .put(Map.<String, Object>of("p4", "v4").entrySet().iterator().next())
                .put("p5", "v5")
                .build();
        assertEquals(5, map.size());
        assertEquals("v1", map.get("p1"));
        assertEquals("v2", map.get("p2"));
        assertEquals("v3", map.get("p3"));
        assertEquals("v4", map.get("p4"));
        assertEquals("v5", map.get("p5"));
    }

    @Test
    public void testBuilderEmpty() {
        ValueMap map = ImmutableValueMap.builder().build();
        assertTrue(map.isEmpty());
    }

    @Test
    public void testCopyOfValueMap() {
        ValueMap valueMap = new ValueMapDecorator(SAMPLE_PROPS);
        ValueMap map = ImmutableValueMap.copyOf(valueMap);
        assertEquals(map.size(), SAMPLE_PROPS.size());
    }

    @Test
    public void testEquals() {
        ValueMap map1 = ImmutableValueMap.builder()
                .put("prop1", "value1")
                .put("prop2", 55)
                .build();
        ValueMap map2 = ImmutableValueMap.builder()
                .put("prop1", "value1")
                .put("prop2", 55)
                .build();
        ValueMap map3 = ImmutableValueMap.builder()
                .put("prop1", "value2")
                .put("prop2", 55)
                .build();

        assertEquals(map1, map2);
        assertEquals(map2, map1);
        assertNotEquals(map1, map3);
        assertNotEquals(map2, map3);
    }
}