CreateContainerParamsTest.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.eclipse.che.plugin.docker.client.json.ContainerConfig;

import org.testng.annotations.Test;

import static org.mockito.Mockito.mock;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNull;

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

    private static final ContainerConfig CONTAINER_CONFIG = mock(ContainerConfig.class);
    private static final String          CONTAINER_NAME   = "container";

    private CreateContainerParams createContainerParams;

    @Test
    public void shouldCreateParamsObjectWithRequiredParameters() {
        createContainerParams = CreateContainerParams.create(CONTAINER_CONFIG);

        assertEquals(createContainerParams.getContainerConfig(), CONTAINER_CONFIG);

        assertNull(createContainerParams.getContainerName());
    }

    @Test
    public void shouldCreateParamsObjectWithAllPossibleParameters() {
        createContainerParams = CreateContainerParams.create(CONTAINER_CONFIG)
                                                     .withContainerName(CONTAINER_NAME);

        assertEquals(createContainerParams.getContainerConfig(), CONTAINER_CONFIG);
        assertEquals(createContainerParams.getContainerName(), CONTAINER_NAME);
    }

    @Test(expectedExceptions = NullPointerException.class)
    public void shouldThrowNullPointerExceptionIfContainerConfigRequiredParameterIsNull() {
        createContainerParams = CreateContainerParams.create(null);
    }

    @Test(expectedExceptions = NullPointerException.class)
    public void shouldThrowNullPointerExceptionIfContainerRequiredParameterResetWithNull() {
        createContainerParams = CreateContainerParams.create(CONTAINER_CONFIG)
                                                     .withContainerConfig(null);
    }

    @Test
    public void containerNameParameterShouldEqualsNullIfItNotSet() {
        createContainerParams = CreateContainerParams.create(CONTAINER_CONFIG);

        assertNull(createContainerParams.getContainerName());
    }

}