/*
 * 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.struts2.validator.validators;

import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import org.apache.struts2.text.CompositeTextProvider;
import org.apache.struts2.text.TextProvider;
import org.apache.struts2.text.TextProviderFactory;
import org.apache.struts2.XWorkTestCase;
import org.apache.struts2.validator.DelegatingValidatorContext;
import org.apache.struts2.validator.ValidatorContext;
import org.apache.struts2.validator.VisitorValidatorTestAction;
import org.apache.struts2.validator.validators.VisitorFieldValidator.AppendingValidatorContext;

public class AppendingValidatorContextTest extends XWorkTestCase {

    private static final String FIRST_NAME = "first";
    private static final String SECOND_NAME = "second";
    private static final String FIELD_NAME = "fieldName";
    private static final String FULL_FIELD_NAME = FIRST_NAME + "." + SECOND_NAME + "." + FIELD_NAME;

    private VisitorValidatorTestAction action;
    private VisitorFieldValidator.AppendingValidatorContext validatorContext;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

        action = container.inject(VisitorValidatorTestAction.class);
        TextProviderFactory tpf = container.getInstance(TextProviderFactory.class);
        ValidatorContext vc1 = new DelegatingValidatorContext(action, tpf);

        VisitorFieldValidator.AppendingValidatorContext vc2 = new AppendingValidatorContext(vc1, createTextProvider(action, vc1), FIRST_NAME, "");
        validatorContext = new AppendingValidatorContext(vc2, createTextProvider(action, vc2), SECOND_NAME, "");
    }

    public void testGetFullFieldName() throws Exception {
        String fullFieldName = validatorContext.getFullFieldName(FIELD_NAME);
        assertEquals(FULL_FIELD_NAME, fullFieldName);
    }

    public void testAddFieldError() throws Exception {
        validatorContext.addFieldError(FIELD_NAME, "fieldError");
        assertTrue(action.hasFieldErrors());

        Map<String, List<String>> fieldErrors = action.getFieldErrors();
        assertEquals(1, fieldErrors.size());
        assertTrue(fieldErrors.containsKey(FULL_FIELD_NAME));
    }

    private CompositeTextProvider createTextProvider(Object o, ValidatorContext parent) {
        List<TextProvider> textProviders = new LinkedList<>();
        if (o instanceof TextProvider) {
            textProviders.add((TextProvider) o);
        }
        textProviders.add(parent);

        return new CompositeTextProvider(textProviders);
    }

}
