TagParamsTest.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * 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
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.plugin.docker.client.params;

import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNull;

/**
 * @author Mykola Morhun
 */
public class TagParamsTest {

    private static final String  IMAGE = "image";
    private static final String  REPOSITORY = "repository";
    private static final String  TAG = "teg";
    private static final Boolean FORCE = Boolean.TRUE;

    private TagParams tagParams;

    @BeforeMethod
    private void prepare() {
        tagParams = TagParams.create(IMAGE, REPOSITORY);
    }

    @Test
    public void shouldCreateParamsObjectWithRequiredParameters() {
        tagParams = TagParams.create(IMAGE, REPOSITORY);

        assertEquals(tagParams.getImage(), IMAGE);
        assertEquals(tagParams.getRepository(), REPOSITORY);

        assertNull(tagParams.getTag());
        assertNull(tagParams.isForce());
    }

    @Test
    public void shouldCreateParamsObjectWithAllPossibleParameters() {
        tagParams = TagParams.create(IMAGE, REPOSITORY)
                             .withTag(TAG)
                             .withForce(FORCE);

        assertEquals(tagParams.getImage(), IMAGE);
        assertEquals(tagParams.getRepository(), REPOSITORY);
        assertEquals(tagParams.getTag(), TAG);
        assertEquals(tagParams.isForce(), FORCE);
    }

    @Test(expectedExceptions = NullPointerException.class)
    public void shouldThrowNullPointerExceptionIfImageRequiredParameterIsNull() {
        tagParams = TagParams.create(null, REPOSITORY);
    }

    @Test(expectedExceptions = NullPointerException.class)
    public void shouldThrowNullPointerExceptionIfRepositoryRequiredParameterIsNull() {
        tagParams = TagParams.create(IMAGE, null);
    }

    @Test(expectedExceptions = NullPointerException.class)
    public void shouldThrowNullPointerExceptionIfImageRequiredParameterResetWithNull() {
        tagParams.withImage(null);
    }

    @Test(expectedExceptions = NullPointerException.class)
    public void shouldThrowAnNullPointerExceptionIfRepositoryRequiredParameterResetWithNull() {
        tagParams.withRepository(null);
    }

    @Test public void tagParameterShouldEqualsNullIfItNotSet() {
        tagParams.withForce(FORCE);

        assertNull(tagParams.getTag());
    }

    @Test public void forceParameterShouldEqualsNullIfItNotSet() {
        tagParams.withTag(TAG);

        assertNull(tagParams.isForce());
    }

}