source: trunk/autoquest-core-coverage-test/src/test/java/de/ugoe/cs/autoquest/coverage/CoverageCalculatorProcessTest.java @ 927

//   Copyright 2012 Georg-August-Universität Göttingen, Germany
//
//   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 de.ugoe.cs.autoquest.coverage;

import java.util.ArrayList;
import java.util.Collection;

import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Random;
import java.util.Set;

import de.ugoe.cs.autoquest.coverage.CoverageCalculatorProcess;
import de.ugoe.cs.autoquest.eventcore.Event;
import de.ugoe.cs.autoquest.eventcore.StringEventType;
import de.ugoe.cs.autoquest.usageprofiles.MockTrieBasedModel;

import org.junit.*;

import static org.junit.Assert.*;

/**
 * The class <code>CoverageCalculatorProcessTest</code> contains tests for the
 * class <code>{@link CoverageCalculatorProcess}</code>.
 * 
 * @author Steffen Herbold
 * @version 1.0
 */
public class CoverageCalculatorProcessTest {

        Set<List<Event>> sequencesCovered;
        Set<List<Event>> sequencesCovered2;
        MockTrieBasedModel mockProcess;

        @Test
        public void testCoverageCalculatorProcess_1() throws Exception {
                int length = 2;

                CoverageCalculatorProcess result = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered, length);
                assertNotNull(result);
        }

        @Test(expected = java.lang.IllegalArgumentException.class)
        public void testCoverageCalculatorProcess_2() throws Exception {
                int length = 2;

                new CoverageCalculatorProcess(null,sequencesCovered, length);
        }

        @Test(expected = java.lang.IllegalArgumentException.class)
        public void testCoverageCalculatorProcess_3() throws Exception {
                int length = 2;

                new CoverageCalculatorProcess(mockProcess, null, length);
        }

        @Test(expected = java.lang.IllegalArgumentException.class)
        public void testCoverageCalculatorProcess_4() throws Exception {
                int length = 0;

                new CoverageCalculatorProcess(mockProcess, sequencesCovered, length);
        }

        @Test(expected = java.lang.IllegalArgumentException.class)
        public void testCoverageCalculatorProcess_5() throws Exception {
                int length = -1;

                new CoverageCalculatorProcess(mockProcess, sequencesCovered, length);
        }

        @Test
        public void testGetCoverageAllNoWeight_1() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered, length);

                double result = fixture.getCoverageAllNoWeight();

                assertEquals(3.0 / 49.0, result, 0.0001);
        }

        @Test
        public void testGetCoverageAllNoWeight_2() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered2, length);

                double result = fixture.getCoverageAllNoWeight();

                assertEquals(2.0 / 49.0, result, 0.0001);
        }

        @Test
        public void testGetCoveragePossibleNoWeight_1() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered, length);

                double result = fixture.getCoveragePossibleNoWeight();

                assertEquals(3.0 / 9.0, result, 0.0001);
        }

        @Test
        public void testGetCoveragePossibleNoWeight_2() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered2, length);

                double result = fixture.getCoveragePossibleNoWeight();

                assertEquals(2.0 / 9.0, result, 0.0001);
        }

        @Test
        public void testGetCoveragePossibleWeight_1() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered, length);

                double result = fixture.getCoveragePossibleWeight();

                assertEquals(6.0, result, 0.0001);
        }

        @Test
        public void testGetCoveragePossibleWeight_2() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered2, length);

                double result = fixture.getCoveragePossibleWeight();

                assertEquals(4.0, result, 0.0001);
        }

        @Test
        public void testGetNumCovered_1() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered, length);

                int result = fixture.getNumCovered();

                assertEquals(3, result);
        }

        @Test
        public void testGetNumCovered_2() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered2, length);

                int result = fixture.getNumCovered();

                assertEquals(2, result);
        }

        @Test
        public void testGetNumPossible_1() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered, length);

                int result = fixture.getNumPossible();

                assertEquals(9, result);
        }

        @Test
        public void testSetSequences_1() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered, length);

                fixture.setSequences(sequencesCovered2);

                // testing indirectly if sequences were changed
                assertEquals(2, fixture.getNumCovered());
        }

        @Test(expected = java.lang.IllegalArgumentException.class)
        public void testSetSequences_2() throws Exception {
                int length = 2;
                CoverageCalculatorProcess fixture = new CoverageCalculatorProcess(
                                mockProcess, sequencesCovered, length);

                fixture.setSequences(null);
        }

        @Before
        public void setUp() throws Exception {
                Collection<List<Event>> sequences = new LinkedList<List<Event>>();
                List<Event> sequence1 = new ArrayList<Event>();
                sequence1.add(new Event(new StringEventType("a")));
                sequence1.add(new Event(new StringEventType("b")));
                sequence1.add(new Event(new StringEventType("r")));
                sequence1.add(new Event(new StringEventType("a")));
                List<Event> sequence2 = new ArrayList<Event>();
                sequence2.add(new Event(new StringEventType("c")));
                sequence2.add(new Event(new StringEventType("a")));
                sequence2.add(new Event(new StringEventType("d")));
                sequence2.add(new Event(new StringEventType("a")));
                sequence2.add(new Event(new StringEventType("b")));
                sequence2.add(new Event(new StringEventType("r")));
                sequence2.add(new Event(new StringEventType("a")));
                sequences.add(sequence1);
                sequences.add(sequence2);

                sequencesCovered = new LinkedHashSet<List<Event>>();
                List<Event> tmpList = new ArrayList<Event>();
                tmpList.add(new Event(new StringEventType("a")));
                tmpList.add(new Event(new StringEventType("b")));
                tmpList.add(new Event(new StringEventType("r")));
                sequencesCovered.add(tmpList);
                tmpList = new ArrayList<Event>();
                tmpList.add(new Event(new StringEventType("b")));
                tmpList.add(new Event(new StringEventType("r")));
                tmpList.add(new Event(new StringEventType("a")));
                sequencesCovered.add(tmpList);

                sequencesCovered2 = new LinkedHashSet<List<Event>>();
                tmpList = new ArrayList<Event>();
                tmpList.add(new Event(new StringEventType("a")));
                tmpList.add(new Event(new StringEventType("b")));
                tmpList.add(new Event(new StringEventType("r")));
                sequencesCovered2.add(tmpList);

                int markovOrder = 2;
                mockProcess = new MockTrieBasedModel(markovOrder, new Random());
                mockProcess.train(sequences);
        }

        public static void main(String[] args) {
                new org.junit.runner.JUnitCore()
                                .run(CoverageCalculatorProcessTest.class);
        }
}