TemplateGeneratorInitializerTest.java

package com.epam.wilma.stubconfig.initializer.template;
/*==========================================================================
Copyright 2013-2017 EPAM Systems

This file is part of Wilma.

Wilma is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Wilma 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with Wilma.  If not, see <http://www.gnu.org/licenses/>.
===========================================================================*/

import static org.mockito.BDDMockito.given;
import static org.mockito.MockitoAnnotations.initMocks;

import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

import com.epam.wilma.domain.stubconfig.StubResourcePathProvider;
import com.epam.wilma.domain.stubconfig.dialog.response.template.TemplateGenerator;
import com.epam.wilma.domain.stubconfig.exception.DescriptorValidationFailedException;
import com.epam.wilma.stubconfig.initializer.support.ExternalInitializer;

/**
 * Provides unit tests for the class {@link TemplateGeneratorInitializer}.
 * @author Tamas_Bihari
 *
 */
public class TemplateGeneratorInitializerTest {
    private static final String CLASS = "CLASS_NAME";

    @Mock
    private StubResourcePathProvider stubResourcePathProvider;
    @Mock
    private TemplateGenerator templateGenerator;
    @Mock
    private ExternalInitializer externalInitializer;

    @InjectMocks
    private TemplateGeneratorInitializer underTest;

    @BeforeMethod
    public void setUp() {
        initMocks(this);
    }

    @Test
    public void testGetTemplateGeneratorShouldReturnWithTemplateGenerator() {
        //GIVEN
        given(stubResourcePathProvider.getTemplatesPathAsString()).willReturn(CLASS);
        given(externalInitializer.loadExternalClass(CLASS, CLASS, TemplateGenerator.class)).willReturn(templateGenerator);
        //WHEN
        TemplateGenerator actual = underTest.getTemplateGenerator(CLASS);
        //THEN
        Assert.assertEquals(actual, templateGenerator);
    }

    @Test(expectedExceptions = DescriptorValidationFailedException.class)
    public void testGetTemplateGeneratorShouldThrowExceptionWhenExternalClassCanNotLoad() {
        //GIVEN
        given(stubResourcePathProvider.getTemplatesPathAsString()).willReturn(CLASS);
        given(externalInitializer.loadExternalClass(CLASS, CLASS, TemplateGenerator.class)).willThrow(
                new DescriptorValidationFailedException(CLASS));
        //WHEN
        underTest.getTemplateGenerator(CLASS);
        //THEN
    }
}