/*
 * 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.commons.validator;

import java.io.InputStream;

import junit.framework.TestCase;

/**
 * <p>Performs tests for extension in form definitions. Performs the same tests
 * RequiredNameTest does but with an equivalent validation definition with extension
 * definitions (validator-extension.xml), plus an extra check on overriding rules and
 * another one checking it mantains correct order when extending.</p>
 */
public class ExtensionTest extends TestCase {

    /**
     * The key used to retrieve the set of validation
     * rules from the xml file.
    */
    protected static String FORM_KEY = "nameForm";

    /**
     * The key used to retrieve the set of validation
     * rules from the xml file.
    */
    protected static String FORM_KEY2 = "nameForm2";

    /**
     * The key used to retrieve the set of validation
     * rules from the xml file.
    */
    protected static String CHECK_MSG_KEY = "nameForm.lastname.displayname";

    /**
     * The key used to retrieve the validator action.
    */
    protected static String ACTION = "required";

    /**
     * Resources used for validation tests.
    */
    private ValidatorResources resources;

    /**
     * Constructor de ExtensionTest.
     * @param arg0
     */
    public ExtensionTest(final String arg0) {
        super(arg0);
    }

    /**
     * Load <code>ValidatorResources</code> from
     * validator-extension.xml.
    */
    @Override
    protected void setUp() throws Exception {
        // Load resources
        try (InputStream in = this.getClass().getResourceAsStream("ExtensionTest-config.xml")) {
            resources = new ValidatorResources(in);
        }
    }

    @Override
    protected void tearDown() {
    }

    /**
     * Tests the required validation failure.
    */
    public void testRequired() throws ValidatorException {
       // Create bean to run test on.
       final NameBean name = new NameBean();

       // Construct validator based on the loaded resources
       // and the form key
       final Validator validator = new Validator(resources, FORM_KEY);
       // add the name bean to the validator as a resource
       // for the validations to be performed on.
       validator.setParameter(Validator.BEAN_PARAM, name);

       // Get results of the validation.
       // throws ValidatorException,
       // but we aren't catching for testing
       // since no validation methods we use
       // throw this
       final ValidatorResults results = validator.validate();

       assertNotNull("Results are null.", results);

       final ValidatorResult firstNameResult = results.getValidatorResult("firstName");
       final ValidatorResult lastNameResult = results.getValidatorResult("lastName");

       assertNotNull("First Name ValidatorResult should not be null.", firstNameResult);
       assertTrue("First Name ValidatorResult should contain the '" + ACTION +"' action.", firstNameResult.containsAction(ACTION));
       assertTrue("First Name ValidatorResult for the '" + ACTION +"' action should have failed.", !firstNameResult.isValid(ACTION));

       assertNotNull("First Name ValidatorResult should not be null.", lastNameResult);
       assertTrue("Last Name ValidatorResult should contain the '" + ACTION +"' action.", lastNameResult.containsAction(ACTION));
       assertTrue("Last Name ValidatorResult for the '" + ACTION +"' action should have failed.", !lastNameResult.isValid(ACTION));
    }

    /**
     * Tests the required validation for first name if it is blank.
    */
    public void testRequiredFirstNameBlank() throws ValidatorException {
       // Create bean to run test on.
       final NameBean name = new NameBean();
       name.setFirstName("");

       // Construct validator based on the loaded resources
       // and the form key
       final Validator validator = new Validator(resources, FORM_KEY);
       // add the name bean to the validator as a resource
       // for the validations to be performed on.
       validator.setParameter(Validator.BEAN_PARAM, name);

       // Get results of the validation.
       final ValidatorResults results = validator.validate();

       assertNotNull("Results are null.", results);

       final ValidatorResult firstNameResult = results.getValidatorResult("firstName");
       final ValidatorResult lastNameResult = results.getValidatorResult("lastName");

       assertNotNull("First Name ValidatorResult should not be null.", firstNameResult);
       assertTrue("First Name ValidatorResult should contain the '" + ACTION +"' action.", firstNameResult.containsAction(ACTION));
       assertTrue("First Name ValidatorResult for the '" + ACTION +"' action should have failed.", !firstNameResult.isValid(ACTION));

       assertNotNull("First Name ValidatorResult should not be null.", lastNameResult);
       assertTrue("Last Name ValidatorResult should contain the '" + ACTION +"' action.", lastNameResult.containsAction(ACTION));
       assertTrue("Last Name ValidatorResult for the '" + ACTION +"' action should have failed.", !lastNameResult.isValid(ACTION));
    }

    /**
     * Tests the required validation for first name.
    */
    public void testRequiredFirstName() throws ValidatorException {
       // Create bean to run test on.
       final NameBean name = new NameBean();
       name.setFirstName("Joe");

       // Construct validator based on the loaded resources
       // and the form key
       final Validator validator = new Validator(resources, FORM_KEY);
       // add the name bean to the validator as a resource
       // for the validations to be performed on.
       validator.setParameter(Validator.BEAN_PARAM, name);

       // Get results of the validation.
       final ValidatorResults results = validator.validate();

       assertNotNull("Results are null.", results);

       final ValidatorResult firstNameResult = results.getValidatorResult("firstName");
       final ValidatorResult lastNameResult = results.getValidatorResult("lastName");

       assertNotNull("First Name ValidatorResult should not be null.", firstNameResult);
       assertTrue("First Name ValidatorResult should contain the '" + ACTION +"' action.", firstNameResult.containsAction(ACTION));
       assertTrue("First Name ValidatorResult for the '" + ACTION +"' action should have passed.", firstNameResult.isValid(ACTION));

       assertNotNull("First Name ValidatorResult should not be null.", lastNameResult);
       assertTrue("Last Name ValidatorResult should contain the '" + ACTION +"' action.", lastNameResult.containsAction(ACTION));
       assertTrue("Last Name ValidatorResult for the '" + ACTION +"' action should have failed.", !lastNameResult.isValid(ACTION));
    }

    /**
     * Tests the required validation for last name if it is blank.
    */
    public void testRequiredLastNameBlank() throws ValidatorException {
       // Create bean to run test on.
       final NameBean name = new NameBean();
       name.setLastName("");

       // Construct validator based on the loaded resources
       // and the form key
       final Validator validator = new Validator(resources, FORM_KEY);
       // add the name bean to the validator as a resource
       // for the validations to be performed on.
       validator.setParameter(Validator.BEAN_PARAM, name);

       // Get results of the validation.
       final ValidatorResults results = validator.validate();

       assertNotNull("Results are null.", results);

       final ValidatorResult firstNameResult = results.getValidatorResult("firstName");
       final ValidatorResult lastNameResult = results.getValidatorResult("lastName");

       assertNotNull("First Name ValidatorResult should not be null.", firstNameResult);
       assertTrue("First Name ValidatorResult should contain the '" + ACTION +"' action.", firstNameResult.containsAction(ACTION));
       assertTrue("First Name ValidatorResult for the '" + ACTION +"' action should have failed.", !firstNameResult.isValid(ACTION));

       assertNotNull("First Name ValidatorResult should not be null.", lastNameResult);
       assertTrue("Last Name ValidatorResult should contain the '" + ACTION +"' action.", lastNameResult.containsAction(ACTION));
       assertTrue("Last Name ValidatorResult for the '" + ACTION +"' action should have failed.", !lastNameResult.isValid(ACTION));
    }

    /**
     * Tests the required validation for last name.
    */
    public void testRequiredLastName() throws ValidatorException {
       // Create bean to run test on.
       final NameBean name = new NameBean();
       name.setLastName("Smith");

       // Construct validator based on the loaded resources
       // and the form key
       final Validator validator = new Validator(resources, FORM_KEY);
       // add the name bean to the validator as a resource
       // for the validations to be performed on.
       validator.setParameter(Validator.BEAN_PARAM, name);

       // Get results of the validation.
       final ValidatorResults results = validator.validate();

       assertNotNull("Results are null.", results);

       final ValidatorResult firstNameResult = results.getValidatorResult("firstName");
       final ValidatorResult lastNameResult = results.getValidatorResult("lastName");

       assertNotNull("First Name ValidatorResult should not be null.", firstNameResult);
       assertTrue("First Name ValidatorResult should contain the '" + ACTION +"' action.", firstNameResult.containsAction(ACTION));
       assertTrue("First Name ValidatorResult for the '" + ACTION +"' action should have failed.", !firstNameResult.isValid(ACTION));

       assertNotNull("First Name ValidatorResult should not be null.", lastNameResult);
       assertTrue("Last Name ValidatorResult should contain the '" + ACTION +"' action.", lastNameResult.containsAction(ACTION));
       assertTrue("Last Name ValidatorResult for the '" + ACTION +"' action should have passed.", lastNameResult.isValid(ACTION));

    }

    /**
     * Tests the required validation for first and last name.
    */
    public void testRequiredName() throws ValidatorException {
       // Create bean to run test on.
       final NameBean name = new NameBean();
       name.setFirstName("Joe");
       name.setLastName("Smith");

       // Construct validator based on the loaded resources
       // and the form key
       final Validator validator = new Validator(resources, FORM_KEY);
       // add the name bean to the validator as a resource
       // for the validations to be performed on.
       validator.setParameter(Validator.BEAN_PARAM, name);

       // Get results of the validation.
       final ValidatorResults results = validator.validate();

       assertNotNull("Results are null.", results);

       final ValidatorResult firstNameResult = results.getValidatorResult("firstName");
       final ValidatorResult lastNameResult = results.getValidatorResult("lastName");

       assertNotNull("First Name ValidatorResult should not be null.", firstNameResult);
       assertTrue("First Name ValidatorResult should contain the '" + ACTION +"' action.", firstNameResult.containsAction(ACTION));
       assertTrue("First Name ValidatorResult for the '" + ACTION +"' action should have passed.", firstNameResult.isValid(ACTION));

       assertNotNull("Last Name ValidatorResult should not be null.", lastNameResult);
       assertTrue("Last Name ValidatorResult should contain the '" + ACTION +"' action.", lastNameResult.containsAction(ACTION));
       assertTrue("Last Name ValidatorResult for the '" + ACTION +"' action should have passed.", lastNameResult.isValid(ACTION));
    }


    /**
     * Tests if we can override a rule. We "can" override a rule if the message shown
     * when the firstName required test fails and the lastName test is null.
    */
    public void testOverrideRule() throws ValidatorException {

       // Create bean to run test on.
       final NameBean name = new NameBean();
       name.setLastName("Smith");

       // Construct validator based on the loaded resources
       // and the form key
       final Validator validator = new Validator(resources, FORM_KEY2);
       // add the name bean to the validator as a resource
       // for the validations to be performed on.
       validator.setParameter(Validator.BEAN_PARAM, name);

       // Get results of the validation.
       final ValidatorResults results = validator.validate();

       assertNotNull("Results are null.", results);

       final ValidatorResult firstNameResult = results.getValidatorResult("firstName");
       final ValidatorResult lastNameResult = results.getValidatorResult("lastName");
       assertNotNull("First Name ValidatorResult should not be null.", firstNameResult);
       assertTrue("First Name ValidatorResult for the '" + ACTION +"' action should have '" + CHECK_MSG_KEY + " as a key.", firstNameResult.field.getArg(0).getKey().equals(CHECK_MSG_KEY));

       assertNull("Last Name ValidatorResult should be null.", lastNameResult);
    }


    /**
     * Tests if the order is mantained when extending a form. Parent form fields should
     * preceed self form fields, except if we override the rules.
    */
    public void testOrder() {

       final Form form = resources.getForm(ValidatorResources.defaultLocale, FORM_KEY);
       final Form form2 = resources.getForm(ValidatorResources.defaultLocale, FORM_KEY2);

       assertNotNull(FORM_KEY + " is null.", form);
       assertEquals("There should only be 2 fields in " + FORM_KEY, 2, form.getFields().size());

       assertNotNull(FORM_KEY2 + " is null.", form2);
       assertEquals("There should only be 2 fields in " + FORM_KEY2, 2, form2.getFields().size());

       //get the first field
       Field fieldFirstName = form.getFields().get(0);
       //get the second field
       Field fieldLastName = form.getFields().get(1);
       assertTrue("firstName in " + FORM_KEY + " should be the first in the list", fieldFirstName.getKey().equals("firstName"));
       assertTrue("lastName in " + FORM_KEY + " should be the first in the list", fieldLastName.getKey().equals("lastName"));

//     get the second field
       fieldLastName = form2.getFields().get(0);
        //get the first field
        fieldFirstName = form2.getFields().get(1);
        assertTrue("firstName in " + FORM_KEY2 + " should be the first in the list", fieldFirstName.getKey().equals("firstName"));
       assertTrue("lastName in " + FORM_KEY2 + " should be the first in the list", fieldLastName.getKey().equals("lastName"));

    }
}