VersionMenuDropDownButtonTest.java

/*
 * Copyright 2015 JBoss, by Red Hat, Inc
 *
 * Licensed 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.uberfire.ext.editor.commons.client.history;

import java.util.ArrayList;

import org.junit.Before;
import org.junit.Test;
import org.uberfire.java.nio.base.version.VersionRecord;
import org.uberfire.mvp.Command;

import static org.mockito.Mockito.*;
import static org.uberfire.ext.editor.commons.client.history.Helper.getVersionRecord;

public class VersionMenuDropDownButtonTest {

    private VersionMenuDropDownButtonView view;
    private VersionMenuDropDownButton button;

    @Before
    public void setUp() throws Exception {
        view = mock(VersionMenuDropDownButtonView.class);

        button = new VersionMenuDropDownButton(view);
    }

    @Test
    public void testPresenterSet() throws Exception {
        verify(view).setPresenter(button);
    }

    @Test(expected = IllegalArgumentException.class)
    public void testNoVersion() throws Exception {
        button.setItems(new ArrayList<VersionRecord>());

        button.onMenuOpening();
    }

    @Test(expected = IllegalArgumentException.class)
    public void testNoVersionRecords() throws Exception {
        button.setVersion("111");

        button.onMenuOpening();
    }

    @Test
    public void testVersionChange() throws Exception {
        ArrayList<VersionRecord> versionRecords = new ArrayList<VersionRecord>();

        versionRecords.add(getVersionRecord("1111"));
        versionRecords.add(getVersionRecord("2222"));
        versionRecords.add(getVersionRecord("3333"));

        button.setItems(versionRecords);
        button.setVersion("3333");

        button.onMenuOpening();

        verify(view).addLabel(eq(versionRecords.get(2)),
                              eq(true),
                              eq(3));
        verify(view).addLabel(eq(versionRecords.get(1)),
                              eq(false),
                              eq(2));
        verify(view).addLabel(eq(versionRecords.get(0)),
                              eq(false),
                              eq(1));

        button.setVersion("2222");

        button.onMenuOpening();

        verify(view).addLabel(eq(versionRecords.get(2)),
                              eq(false),
                              eq(3));
        verify(view).addLabel(eq(versionRecords.get(1)),
                              eq(true),
                              eq(2));
        verify(view,
               times(2)).addLabel(eq(versionRecords.get(0)),
                                  eq(false),
                                  eq(1));
    }

    @Test
    public void testItemsCanNotBeSetToLessThanBefore() throws Exception {
        ArrayList<VersionRecord> versions = new ArrayList<VersionRecord>();
        versions.add(getVersionRecord("1111"));
        versions.add(getVersionRecord("2222"));

        button.setItems(versions);
        button.setVersion("1111");

        button.onMenuOpening();
        verify(view,
               times(2)).addLabel(any(VersionRecord.class),
                                  anyBoolean(),
                                  anyInt());

        ArrayList<VersionRecord> versions2 = new ArrayList<VersionRecord>();
        versions2.add(getVersionRecord("1111"));

        button.setItems(versions2);

        button.onMenuOpening();
        verify(view,
               times(4)).addLabel(any(VersionRecord.class),
                                  anyBoolean(),
                                  anyInt());
    }

    @Test
    public void testNewVersionAdded() throws Exception {
        ArrayList<VersionRecord> versionRecords = new ArrayList<VersionRecord>();

        versionRecords.add(getVersionRecord("1111"));
        versionRecords.add(getVersionRecord("2222"));
        versionRecords.add(getVersionRecord("3333"));

        button.setItems(versionRecords);
        button.setVersion("3333");

        button.onMenuOpening();

        verify(view).addLabel(eq(versionRecords.get(2)),
                              eq(true),
                              eq(3));
        verify(view).addLabel(eq(versionRecords.get(1)),
                              eq(false),
                              eq(2));
        verify(view).addLabel(eq(versionRecords.get(0)),
                              eq(false),
                              eq(1));

        ArrayList<VersionRecord> versionRecords2 = new ArrayList<VersionRecord>();

        versionRecords2.add(getVersionRecord("1111"));
        versionRecords2.add(getVersionRecord("2222"));
        versionRecords2.add(getVersionRecord("3333"));
        versionRecords2.add(getVersionRecord("4444"));

        button.setItems(versionRecords2);
        button.setVersion("4444");

        button.onMenuOpening();

        verify(view).addLabel(eq(versionRecords2.get(3)),
                              eq(true),
                              eq(4));
        verify(view).addLabel(eq(versionRecords2.get(2)),
                              eq(false),
                              eq(3));
        verify(view).addLabel(eq(versionRecords2.get(1)),
                              eq(false),
                              eq(2));
        verify(view).addLabel(eq(versionRecords2.get(0)),
                              eq(false),
                              eq(1));
    }

    @Test
    public void testShowMoreCount() {

        ArrayList<VersionRecord> versionRecords = new ArrayList<VersionRecord>();

        versionRecords.add(getVersionRecord("1111"));
        versionRecords.add(getVersionRecord("2222"));
        versionRecords.add(getVersionRecord("3333"));
        versionRecords.add(getVersionRecord("4444"));
        versionRecords.add(getVersionRecord("5555"));
        versionRecords.add(getVersionRecord("6666"));
        versionRecords.add(getVersionRecord("7777"));
        versionRecords.add(getVersionRecord("8888"));
        versionRecords.add(getVersionRecord("9999"));

        button.setItems(versionRecords);
        button.setVersion("3333");

        button.onMenuOpening();

        //the last 7 elements are shown in the UI
        verify(view).addLabel(eq(versionRecords.get(8)),
                              eq(false),
                              eq(9));
        verify(view).addLabel(eq(versionRecords.get(7)),
                              eq(false),
                              eq(8));
        verify(view).addLabel(eq(versionRecords.get(6)),
                              eq(false),
                              eq(7));
        verify(view).addLabel(eq(versionRecords.get(5)),
                              eq(false),
                              eq(6));
        verify(view).addLabel(eq(versionRecords.get(4)),
                              eq(false),
                              eq(5));
        verify(view).addLabel(eq(versionRecords.get(3)),
                              eq(false),
                              eq(4));
        verify(view).addLabel(eq(versionRecords.get(2)),
                              eq(true),
                              eq(3));

        //so a count of 9 - 7 = 2 should be shown in the show more label
        verify(view).addViewAllLabel(eq(2),
                                     any(Command.class));
    }

    @Test
    public void testResetVersions() {
        final ArrayList<VersionRecord> versions = new ArrayList<VersionRecord>();
        versions.add(getVersionRecord("1111"));
        versions.add(getVersionRecord("2222"));

        button.setItems(versions);
        button.setVersion("1111");

        button.onMenuOpening();

        //Button was originally initialised with 2 versions, so we expect 2 labels to be added
        verify(view,
               times(2)).addLabel(any(VersionRecord.class),
                                  anyBoolean(),
                                  anyInt());

        final ArrayList<VersionRecord> versions2 = new ArrayList<VersionRecord>();
        versions2.add(getVersionRecord("1111"));

        //Reset Mock view so we can check the *real* number of times a label was added
        reset(view);

        button.resetVersions();
        button.setItems(versions2);
        button.setVersion("1111");

        button.onMenuOpening();

        //Button was re-initialised with 1 version, so we expect 1 label to be added
        verify(view,
               times(1)).addLabel(any(VersionRecord.class),
                                  anyBoolean(),
                                  anyInt());
    }
}