tasks/app/src/androidTest/java/com/todoroo/astrid/subtasks/SubtasksTestCase.java

package com.todoroo.astrid.subtasks;

import com.todoroo.astrid.api.Filter;
import com.todoroo.astrid.core.BuiltInFilterExposer;
import com.todoroo.astrid.dao.TaskDao;
import com.todoroo.astrid.dao.TaskListMetadataDao;
import com.todoroo.astrid.data.Task;
import com.todoroo.astrid.subtasks.SubtasksFilterUpdater.Node;
import com.todoroo.astrid.test.DatabaseTestCase;

import org.tasks.injection.TestComponent;
import org.tasks.preferences.Preferences;

import javax.inject.Inject;

import static android.support.test.InstrumentationRegistry.getTargetContext;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNotNull;

/**
 * Contains useful methods common to all subtasks tests
 * @author Sam
 *
 */
public class SubtasksTestCase extends DatabaseTestCase {

    @Inject TaskListMetadataDao taskListMetadataDao;
    @Inject TaskDao taskDao;
    @Inject Preferences preferences;

    protected SubtasksFilterUpdater updater;
    protected Filter filter;

    /* Starting State:
    *
    * A
    *  B
    *  C
    *   D
    * E
    * F
    */
    public static final String DEFAULT_SERIALIZED_TREE = "[-1, [1, 2, [3, 4]], 5, 6]".replaceAll("\\s", "");

    @Override
    public void setUp() {
        super.setUp();
        filter = BuiltInFilterExposer.getMyTasksFilter(getTargetContext().getResources());
        preferences.clear(SubtasksFilterUpdater.ACTIVE_TASKS_ORDER);
        updater = new SubtasksFilterUpdater(taskListMetadataDao, taskDao);
    }

    @Override
    protected void inject(TestComponent component) {
        component.inject(this);
    }

    protected void expectParentAndPosition(Task task, Task parent, int positionInParent) {
        String parentId = (parent == null ? "-1" : parent.getUuid());
        Node n = updater.findNodeForTask(task.getUuid());
        assertNotNull("No node found for task " + task.getTitle(), n);
        assertEquals("Parent mismatch", parentId, n.parent.uuid);
        assertEquals("Position mismatch", positionInParent, n.parent.children.indexOf(n));
    }

}