org.jtalks.common.web.validation.ImageFormatValidatorTest.java Source code

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Here is the source code for org.jtalks.common.web.validation.ImageFormatValidatorTest.java

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/**
 * Copyright (C) 2011  JTalks.org Team
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package org.jtalks.common.web.validation;

import org.springframework.mock.web.MockMultipartFile;
import org.springframework.web.multipart.MultipartFile;
import org.testng.Assert;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import java.util.Set;

/**
 * @author Eugeny Batov
 */
public class ImageFormatValidatorTest {

    /**
     * Class for testing constraint.
     */
    public class TestObject {

        @ImageFormat(format = { ImageFormats.JPG, ImageFormats.PNG, ImageFormats.GIF })
        private MultipartFile avatar;

        public TestObject(MockMultipartFile avatar) {
            this.avatar = avatar;
        }
    }

    private static Validator validator;

    @BeforeClass
    public static void setUp() {
        ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
        validator = factory.getValidator();
    }

    @Test(dataProvider = "allowableFormats")
    public void testValidatorSuccess(String contentType) {
        Set<ConstraintViolation<TestObject>> constraintViolations = validator.validate(
                new TestObject(new MockMultipartFile("test_avatar", "test_avatar", contentType, new byte[10])));

        Assert.assertEquals(constraintViolations.size(), 0, "Validation errors");
    }

    @Test(dataProvider = "notAllowableFormats")
    public void testValidatorFail(String contentType) {
        Set<ConstraintViolation<TestObject>> constraintViolations = validator.validate(
                new TestObject(new MockMultipartFile("test_avatar", "test_avatar", contentType, new byte[10])));

        Assert.assertEquals(constraintViolations.size(), 1, "Validation without errors");
        Assert.assertNotNull(constraintViolations.iterator().next().getMessage());
    }

    @Test
    public void testValidatorImageNull() {
        Set<ConstraintViolation<TestObject>> constraintViolations = validator.validate(
                new TestObject(new MockMultipartFile("test_avatar", "", "application/octet-stream", new byte[0])));

        Assert.assertEquals(constraintViolations.size(), 0, "Validation errors");
    }

    @DataProvider
    public Object[][] allowableFormats() {
        return new Object[][] { { ImageFormats.JPG.getContentType() }, { ImageFormats.PNG.getContentType() },
                { ImageFormats.GIF.getContentType() } };
    }

    @DataProvider
    public Object[][] notAllowableFormats() {
        return new Object[][] { { "image/bmp" }, { "image/tiff" }, { "text/plain" }, { "audio/mpeg" },
                { "audio/x-wav" }, { "text/plain" }, { "text/html" }, { "video/mpeg" }

        };
    }
}