com.itllp.barleylegalhomebrewers.ontap.test.BeerListFragmentTests.java Source code

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Here is the source code for com.itllp.barleylegalhomebrewers.ontap.test.BeerListFragmentTests.java

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// Copyright 2013 David A. Greenbaum
/*
This file is part of On Tap.
    
On Tap 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.
    
Tip On Discount 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 Tip On Discount.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.itllp.barleylegalhomebrewers.ontap.test;

import android.app.Instrumentation;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.support.v4.app.FragmentManager;
import android.test.ActivityUnitTestCase;
import android.widget.ListView;

import com.itllp.barleylegalhomebrewers.ontap.BeerListActivity;
import com.itllp.barleylegalhomebrewers.ontap.BeerListFragment;
import com.itllp.barleylegalhomebrewers.ontap.contentprovider.OnTapContentProvider;
import com.itllp.barleylegalhomebrewers.ontap.contentproviderinterface.BeerTableMetadata;

public class BeerListFragmentTests extends ActivityUnitTestCase<BeerListActivity> {

    private static final String[] COLUMN_NAMES = { BeerTableMetadata.ID_COLUMN, BeerTableMetadata.NAME_COLUMN,
            BeerTableMetadata.BREWER_NAME_COLUMN, BeerTableMetadata.STYLE_CODE_COLUMN,
            BeerTableMetadata.STYLE_NAME_COLUMN, BeerTableMetadata.STYLE_OVERRIDE_COLUMN,
            BeerTableMetadata.IS_KICKED_COLUMN, BeerTableMetadata.TAP_NUMBER_COLUMN,
            BeerTableMetadata.PACKAGING_COLUMN, BeerTableMetadata.ALCOHOL_BY_VOLUME_COLUMN,
            BeerTableMetadata.INTERNATIONAL_BITTERNESS_UNITS_COLUMN,
            BeerTableMetadata.STANDARD_REFERENCE_METHOD_COLUMN };
    private static final Object[] ROW1_COLUMN_VALUES = { Integer.valueOf(10), "Beer #10", "Joe", "1A",
            "Lite American Lager", "Extra light", 0, 42, "Keg", "4%", "15", "5" };
    private static final Object[] ROW2_COLUMN_VALUES = { Integer.valueOf(20), "Beer #20", "Steve", "2B",
            "Bohemian Pilsner", "New Zealand swing", 1, 0, "Bottle", "5%", "22", "7" };
    private Intent intent;
    ListView beerListView;
    private Instrumentation instrumentation;
    private Context context;
    private BeerListActivity activity;
    private FragmentManager fragmentManager;
    private BeerListFragment beerListFragment;
    private MatrixCursor mockCursor;

    public BeerListFragmentTests() {
        super(BeerListActivity.class);
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();

        /* These tests rely on a linkseam testing version of 
         * OnTapContentProvider */
        instrumentation = getInstrumentation();
        context = instrumentation.getTargetContext();
        intent = new Intent(context, BeerListActivity.class);
        mockCursor = new MatrixCursor(COLUMN_NAMES);
    }

    @Override
    protected void tearDown() throws Exception {
        super.tearDown();
        activity.finish();
    }

    private void startActivity() {
        activity = launchActivityWithIntent("com.itllp.barleylegalhomebrewers.ontap", BeerListActivity.class,
                intent);
        instrumentation.waitForIdleSync();
        fragmentManager = activity.getSupportFragmentManager();
        beerListFragment = (BeerListFragment) fragmentManager
                .findFragmentById(com.itllp.barleylegalhomebrewers.ontap.R.id.beer_list_fragment);
        beerListView = (ListView) beerListFragment.getListView();
        instrumentation.waitForIdleSync();
    }

    public void testEmptyList() {
        // Set up preconditions
        OnTapContentProvider.mockSetCursor(mockCursor);

        // Call method under test
        startActivity();

        // Verify Postconditions
        assertEquals("List should be empty", 0, beerListView.getCount());
    }

    public void testListWithOneItem() {
        // Set up preconditions
        mockCursor.addRow(ROW1_COLUMN_VALUES);
        OnTapContentProvider.mockSetCursor(mockCursor);

        // Call method under test
        startActivity();

        // Verify postconditions
        assertEquals("List should have 1 item", 1, beerListView.getCount());
        Cursor row1 = (Cursor) beerListView.getItemAtPosition(0);
        int idColumnIndex = row1.getColumnIndex(BeerTableMetadata.ID_COLUMN);
        assertEquals("First beer ID should be 10", 10, row1.getInt(idColumnIndex));
    }

    public void testListWithTwoItems() {
        // Set up preconditions
        mockCursor.addRow(ROW1_COLUMN_VALUES);
        mockCursor.addRow(ROW2_COLUMN_VALUES);
        OnTapContentProvider.mockSetCursor(mockCursor);

        // Call method under test
        startActivity();

        // Verify postconditions
        assertEquals("List should have 2 items", 2, beerListView.getCount());
        Cursor row1 = (Cursor) beerListView.getItemAtPosition(0);
        int idColumnIndex = row1.getColumnIndex(BeerTableMetadata.ID_COLUMN);
        assertEquals("First beer ID should be 10", 10, row1.getInt(idColumnIndex));
        Cursor row2 = (Cursor) beerListView.getItemAtPosition(1);
        assertEquals("Second beer ID should be 20", 20, row2.getInt(idColumnIndex));
    }
}