/*
 * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */

package org.opendaylight.yangtools.yang.data.impl.codecs;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.opendaylight.yangtools.yang.data.impl.codecs.TypeDefinitionAwareCodecTestHelper.deserializeWithExpectedIllegalArgEx;
import static org.opendaylight.yangtools.yang.data.impl.codecs.TypeDefinitionAwareCodecTestHelper.getCodec;
import static org.opendaylight.yangtools.yang.data.impl.codecs.TypeDefinitionAwareCodecTestHelper.toEnumTypeDefinition;
import org.junit.Test;
import org.opendaylight.yangtools.yang.data.api.codec.UnionCodec;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
import org.opendaylight.yangtools.yang.model.api.type.UnionTypeDefinition;
import org.opendaylight.yangtools.yang.model.util.type.BaseTypes;
import org.opendaylight.yangtools.yang.model.util.type.UnionTypeBuilder;

/**
 * Unit tests forUnionCodecString.
 *
 * @author Thomas Pantelis
 */
public class UnionCodecStringTest {
    private static UnionTypeDefinition toUnionTypeDefinition(final TypeDefinition<?>... types) {
        final UnionTypeBuilder builder = BaseTypes.unionTypeBuilder(mock(SchemaPath.class));

        for (TypeDefinition<?> t : types) {
            builder.addType(t);
        }

        return builder.build();
    }

    @SuppressWarnings("unchecked")
    @Test
    public void testSerialize() {
        UnionCodec<String> codec = getCodec(toUnionTypeDefinition(toEnumTypeDefinition("enum1", "enum2"),
                toUnionTypeDefinition(BaseTypes.int32Type(),BaseTypes.int64Type()), BaseTypes.emptyType()),
                UnionCodec.class);

        assertEquals("serialize", "enum1", codec.serialize("enum1"));
        assertEquals("serialize", "123", codec.serialize("123"));
        assertEquals("serialize", "123", codec.serialize(123));
        assertEquals("serialize", "", codec.serialize(null));
        assertEquals("serialize", "", codec.serialize(""));
    }

    @SuppressWarnings("unchecked")
    @Test
    public void testDeserialize() {
        UnionCodec<String> codec = getCodec(toUnionTypeDefinition(toEnumTypeDefinition("enum1", "enum2"),
                toUnionTypeDefinition(BaseTypes.int32Type(),BaseTypes.int64Type()), BaseTypes.emptyType()),
                UnionCodec.class);

        assertEquals("deserialize", "enum1", codec.deserialize("enum1"));
        assertEquals("deserialize", 123, codec.deserialize("123"));
        assertEquals("deserialize", -123, codec.deserialize("-123"));
        assertEquals("deserialize", 41234567890L, codec.deserialize("41234567890"));
        assertEquals("deserialize", null, codec.deserialize(""));
        assertEquals("deserialize", null, codec.deserialize(null));

        deserializeWithExpectedIllegalArgEx(codec, "enum3");
        deserializeWithExpectedIllegalArgEx(codec, "123o");
        deserializeWithExpectedIllegalArgEx(codec, "true");
    }
}