Praktikum 3: offizielle Testklasse
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@ -13,7 +13,11 @@ public class Vorlesung {
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this.studiengruppe = list.get(0);
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this.title = list.get(1);
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this.dozent = list.get(2);
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this.teilnehmerzahl = Integer.parseInt(list.get(3));
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try {
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this.teilnehmerzahl = Integer.parseInt(list.get(3));
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}catch (NumberFormatException ex) {
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throw new TextFileFormatException("Input is no number");
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}
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}
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public String getStudiengruppe() {
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@ -39,8 +39,10 @@ public class Vorlesungsverzeichnis implements Comparator<Vorlesung>{
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* @return eine alphabetisch sortierte Liste mit den Titeln aller Vorlesungen.
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*/
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public List<String> titles() {
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List<String> list = new ArrayList<>();
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vorlesungen.forEach(vorlesung -> list.add(vorlesung.getTitle()));
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Set<String> set = new HashSet<>();
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vorlesungen.forEach(vorlesung -> set.add(vorlesung.getTitle()));
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List<String> list = new ArrayList<>(set);
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Collections.sort(list);
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return list;
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}
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@ -35,7 +35,7 @@ public class VorlesungsverzeichnisTest {
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new Vorlesungsverzeichnis(Objects.requireNonNull(getClass().getClassLoader().getResource("praktikum3/vorlesungen-format.txt")).getFile());
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}
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@Test(expected = NumberFormatException.class)
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@Test(expected = TextFileFormatException.class)
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public void constructorNumberFormatException() throws IOException, TextFileFormatException {
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new Vorlesungsverzeichnis(Objects.requireNonNull(getClass().getClassLoader().getResource("praktikum3/vorlesungen-number.txt")).getFile());
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}
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@ -49,7 +49,6 @@ public class VorlesungsverzeichnisTest {
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titles.add("Internet-Technologien");
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titles.add("Java 2");
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titles.add("Mathematik 2");
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titles.add("Mathematik 2");
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titles.add("Rechnerarchitekturen");
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assertEquals(vorlesungsverzeichnis.titles(), titles);
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@ -0,0 +1,240 @@
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package de.joethei.hs.java2.tests;
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import de.joethei.hs.java2.praktikum.praktikum3.TextFileFormatException;
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import de.joethei.hs.java2.praktikum.praktikum3.Vorlesung;
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import de.joethei.hs.java2.praktikum.praktikum3.Vorlesungsverzeichnis;
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import org.junit.Before;
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import org.junit.Test;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.*;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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public class VorlesungsverzeichnisTest2 {
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String filename = "db_junit.txt";
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PrintWriter pw;
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Class<Vorlesung> c = Vorlesung.class; // Klasse Vorlesung vorhanden?
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@Before
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public void setUp() throws IOException
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{
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pw = new PrintWriter(filename);
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}
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@Test
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public void Titles() throws IOException, TextFileFormatException
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{
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List<String> al = new ArrayList<>();
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al.add("Elektrodynamik");
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al.add("Quantenmechanik");
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al.add("Quantenphysik");
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al.add("Relativitätstheorie");
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al.add("Theoretische Physik");
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al.add("Thermodynamik");
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pw.print(
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"A1:Relativitätstheorie:Einstein:15\n" +
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"B2:Quantenmechanik:Heisenberg:17\n" +
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"C2:Quantenphysik:Planck:5\n" +
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"T4:Thermodynamik:Kelvin:78\n" +
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"C2:Theoretische Physik:Kelvin:54\n" +
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"B2:Thermodynamik:Planck:44\n" +
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"T4:Quantenphysik:Planck:45\n" +
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"B2:Elektrodynamik:Kelvin:34");
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pw.close();
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Vorlesungsverzeichnis l = new Vorlesungsverzeichnis(filename);
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// System.out.println(al);
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// System.out.println(l.titles());
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assertEquals(al,l.titles());
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}
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@Test
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public void Workaholics() throws IOException, TextFileFormatException
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{
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Set<String> s = new HashSet<>();
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s.add("Planck");
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s.add("Kelvin");
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pw.print(
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"A1:Relativitätstheorie:Einstein:15\n" +
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"B2:Quantenmechanik:Heisenberg:17\n" +
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"C2:Quantenphysik:Planck:5\n" +
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"T4:Thermodynamik:Kelvin:78\n" +
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"C2:Theoretische Physik:Kelvin:54\n" +
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"B2:Thermodynamik:Planck:44\n" +
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"T4:Quantenphysik:Planck:45\n" +
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"B2:Elektrodynamik:Kelvin:34");
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pw.close();
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Vorlesungsverzeichnis l = new Vorlesungsverzeichnis(filename);
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// System.out.println(s);
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// System.out.println(l.workaholics());
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assertEquals(s,l.workaholics());
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}
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@Test
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public void GroupToTitles() throws IOException, TextFileFormatException
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{
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Map<String, List<String>> map2 = new HashMap<>();
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List<String> s1 = new ArrayList<>();
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List<String> s2 = new ArrayList<>();
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List<String> s3a = new ArrayList<>();
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List<String> s3b = new ArrayList<>();
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List<String> s4a = new ArrayList<>();
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List<String> s4b = new ArrayList<>();
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s1.add("Relativitätstheorie");
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map2.put("A1",s1);
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s2.add("Quantenmechanik");
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s2.add("Thermodynamik");
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s2.add("Elektrodynamik");
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map2.put("B2",s2);
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s3a.add("Quantenphysik");
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s3a.add("Theoretische Physik");
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s3b.add("Theoretische Physik");
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s3b.add("Quantenphysik");
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map2.put("C2",s3a);
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s4a.add("Thermodynamik");
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s4a.add("Quantenphysik");
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map2.put("T4",s4a);
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s4b.add("Quantenphysik");
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s4b.add("Thermodynamik");
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pw.print(
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"A1:Relativitätstheorie:Einstein:15\n" +
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"B2:Quantenmechanik:Heisenberg:17\n" +
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"C2:Quantenphysik:Planck:5\n" +
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"T4:Thermodynamik:Kelvin:78\n" +
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"C2:Theoretische Physik:Kelvin:54\n" +
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"B2:Thermodynamik:Planck:44\n" +
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"T4:Quantenphysik:Planck:45\n" +
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"B2:Elektrodynamik:Kelvin:34");
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pw.close();
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Vorlesungsverzeichnis l = new Vorlesungsverzeichnis(filename);
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// System.out.println(map2);
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// System.out.println(l.groupToTitles());
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// assertEquals(map2,l.groupToTitles());
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assertEquals(s1, l.groupToTitles().get("A1"));
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assertTrue(s3a.equals(l.groupToTitles().get("C2")) || s3b.equals(l.groupToTitles().get("C2")));
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assertTrue(s4a.equals(l.groupToTitles().get("T4")) || s4b.equals(l.groupToTitles().get("T4")));
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}
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@Test
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public void multipleTitles() throws IOException, TextFileFormatException
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{
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Map<String, List<String>> map2 = new HashMap<>();
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List<String> s1a = new ArrayList<>();
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List<String> s1b = new ArrayList<>();
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s1a.add("Kelvin");
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s1a.add("Planck");
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s1b.add("Planck");
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s1b.add("Kelvin");
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map2.put("Thermodynamik",s1a);
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pw.print(
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"A1:Relativitätstheorie:Einstein:15\n" +
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"B2:Quantenmechanik:Heisenberg:17\n" +
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"C2:Quantenphysik:Planck:5\n" +
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"T4:Thermodynamik:Kelvin:78\n" +
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"C2:Theoretische Physik:Kelvin:54\n" +
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"B2:Thermodynamik:Planck:44\n" +
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"T4:Quantenphysik:Planck:45\n" +
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"B2:Elektrodynamik:Kelvin:34");
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pw.close();
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Vorlesungsverzeichnis l = new Vorlesungsverzeichnis(filename);
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// System.out.println(map2);
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// System.out.println(l.multipleTitles());
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// assertEquals(map2,l.multipleTitles());
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assertTrue(s1a.equals(l.multipleTitles().get("Thermodynamik")) || s1b.equals(l.multipleTitles().get("Thermodynamik")));
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}
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@Test
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public void descendingTitles() throws IOException, TextFileFormatException
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{
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{
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List<String> al = new ArrayList<>();
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al.add("Thermodynamik");
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al.add("Theoretische Physik");
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al.add("Quantenphysik");
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al.add("Thermodynamik");
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al.add("Elektrodynamik");
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al.add("Quantenmechanik");
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al.add("Relativitätstheorie");
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al.add("Quantenphysik");
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pw.print(
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"A1:Relativitätstheorie:Einstein:15\n" +
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"B2:Quantenmechanik:Heisenberg:17\n" +
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"C2:Quantenphysik:Planck:5\n" +
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"T4:Thermodynamik:Kelvin:78\n" +
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"C2:Theoretische Physik:Kelvin:54\n" +
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"B2:Thermodynamik:Planck:44\n" +
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"T4:Quantenphysik:Planck:45\n" +
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"B2:Elektrodynamik:Kelvin:34");
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pw.close();
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Vorlesungsverzeichnis l = new Vorlesungsverzeichnis(filename);
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// System.out.println(al);
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// System.out.println(l.descendingTitles());
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assertEquals(al,l.descendingTitles());
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}
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}
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@Test(expected=TextFileFormatException.class)
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public void Liste_zu_kurz() throws IOException, TextFileFormatException {
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pw.print(
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"C2:Theoretische Physik:Kelvin:54\n" +
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"B2:Thermodynamik:Planck\n" +
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"T4:Quantenphysik:Planck:45\n" +
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"B2:Elektrodynamik:Kelvin:34");
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pw.close();
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Vorlesungsverzeichnis k = new Vorlesungsverzeichnis(filename);
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}
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@Test(expected=TextFileFormatException.class)
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public void Liste_zu_lang() throws IOException, TextFileFormatException {
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pw.print(
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"C2:Theoretische Physik:Kelvin:54:55\n" +
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"B2:Thermodynamik:Planck:44\n" +
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"T4:Quantenphysik:Planck:45\n" +
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"B2:Elektrodynamik:Kelvin:34");
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pw.close();
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Vorlesungsverzeichnis k = new Vorlesungsverzeichnis(filename);
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}
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@Test(expected=TextFileFormatException.class)
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public void Listenfeld_leer() throws IOException, TextFileFormatException {
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pw.print(
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"C2:Theoretische Physik:Kelvin:54\n" +
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"B2:Thermodynamik:Planck:44\n" +
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":Quantenphysik:Planck:45\n" +
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"B2:Elektrodynamik:Kelvin:34");
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pw.close();
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Vorlesungsverzeichnis k = new Vorlesungsverzeichnis(filename);
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}
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@Test(expected=TextFileFormatException.class)
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public void Teilnehmerzahl_keine_Zahl() throws IOException, TextFileFormatException {
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pw.print(
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"C2:Theoretische Physik:Kelvin:54\n" +
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"B2:Thermodynamik:Planck:44\n" +
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"T4:Quantenphysik:Planck:45\n" +
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"B2:Elektrodynamik:Kelvin:ABC");
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pw.close();
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Vorlesungsverzeichnis k = new Vorlesungsverzeichnis(filename);
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}
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}
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