@Test
public void testCsvToEntryWrongNumberOfValues() {
String csvToManyValues = "1,yoda,123,456";
assertThat(persistence.csvToEntry(csvToManyValues)).isNull();
String csvToLessValues = "1,yoda";
assertThat(persistence.csvToEntry(csvToLessValues)).isNull();
}
@Test
public void testEntryToCsv() {
String csv1 = persistence.entryToCsv(new HighScoreEntry(2, "yoda", 124));
assertThat(csv1).isEqualTo("2,yoda,124;");
String csv2 = persistence.entryToCsv(new HighScoreEntry(1, "the Imperator", 342));
assertThat(csv2).isEqualTo("1,the Imperator,342;");
}
@Test
public void testCsvToEntryWrongNumberFormat() {
String csv1 = "wrong, yoda, 123";
assertThat(persistence.csvToEntry(csv1)).isNull();
String csv2 = "12, yoda, 123w";
assertThat(persistence.csvToEntry(csv2)).isNull();
}
@Test
public void testEntryToCsvInvalidValuesAreReplaced() {
String csv1 = persistence.entryToCsv(new HighScoreEntry(1, "yoda,with comma", 123));
assertThat(csv1).isEqualTo("1,yoda with comma,123;"); // comma is replaced with a space
String csv2 = persistence.entryToCsv(new HighScoreEntry(2, "the;Imperator", 345));
assertThat(csv2).isEqualTo("2,the Imperator,345;"); // semicolon is replaced with a space
}
@Test
public void testCsvToEntry() {
String csv1 = "2,yoda,124";
HighScoreEntry expected1 = new HighScoreEntry(2, "yoda", 124);
assertThat(persistence.csvToEntry(csv1)).isEqualsToByComparingFields(expected1);
String csv2 = "1,the Imperator,342";
HighScoreEntry expected2 = new HighScoreEntry(1, "the Imperator", 342);
assertThat(persistence.csvToEntry(csv2)).isEqualsToByComparingFields(expected2);
}
@Test
public void testPersist() {
List<HighScoreEntry> entries = new ArrayList<HighScoreEntry>();
entries.add(new HighScoreEntry(1, "yoda", 402));
entries.add(new HighScoreEntry(2, "luke", 212));
entries.add(new HighScoreEntry(3, "jabba", 123));
File file = filepath.toFile();
assertThat(file).doesNotExist();
persistence.persistHighScores(entries);
assertThat(file).exists().isFile();
String expectedContent =
"1,yoda,402;"
+ LINE_SEPARATOR
+ "2,luke,212;"
+ LINE_SEPARATOR
+ "3,jabba,123;"
+ LINE_SEPARATOR;
assertThat(file).hasContent(expectedContent);
}
@Test
public void testCsvToEntryFloatingPointNumbersAreCutOf() {
String csv = "1.0034,yoda, 9.9999";
HighScoreEntry expected = new HighScoreEntry(1, "yoda", 9);
assertThat(persistence.csvToEntry(csv)).isEqualsToByComparingFields(expected);
}
@Test
public void testCsvToEntrySemicolonAsLastCharacter() {
String csv = "1,yoda,123;";
HighScoreEntry expected = new HighScoreEntry(1, "yoda", 123);
assertThat(persistence.csvToEntry(csv)).isEqualsToByComparingFields(expected);
}
@Test
public void testCsvToEntryLeadingAndTrailingSpacesInPlayernameAreRemoved() {
String csv = "1, the Imperator ,123";
HighScoreEntry expected = new HighScoreEntry(1, "the Imperator", 123);
assertThat(persistence.csvToEntry(csv)).isEqualsToByComparingFields(expected);
}
@Test
public void testCsvToEntrySuperfluousSpacesAreNoProblem() {
String csv = " 1 ,yoda, 123 ";
HighScoreEntry expected = new HighScoreEntry(1, "yoda", 123);
assertThat(persistence.csvToEntry(csv)).isEqualsToByComparingFields(expected);
}
@Test
public void testLoadHighScoresNoExistingFile() {
File file = filepath.toFile();
assertThat(file).doesNotExist();
List<HighScoreEntry> loadedScores = persistence.loadHighScores();
assertThat(loadedScores).isEmpty();
assertThat(file).exists();
}
@Test
public void testLoadHighScores() throws IOException {
List<String> csvLines = new ArrayList<String>();
csvLines.add("1,yoda,123;");
csvLines.add("2,luke,234;");
Files.write(filepath, csvLines, StandardCharsets.UTF_8);
List<HighScoreEntry> loadedScores = persistence.loadHighScores();
assertThat(loadedScores).hasSize(2);
assertThat(loadedScores.get(0)).isEqualsToByComparingFields(new HighScoreEntry(1, "yoda", 123));
assertThat(loadedScores.get(1)).isEqualsToByComparingFields(new HighScoreEntry(2, "luke", 234));
}
@Test
public void testPersistAlreadyExistingFileIsOverwritten() throws IOException {
List<String> csvLines = new ArrayList<String>();
csvLines.add("1,yoda,123;");
csvLines.add("2,luke,234;");
Files.write(filepath, csvLines, StandardCharsets.UTF_8);
File file = filepath.toFile();
assertThat(file).exists().isFile();
String expectedContentBefore = "1,yoda,123;" + LINE_SEPARATOR + "2,luke,234;" + LINE_SEPARATOR;
assertThat(file).hasContent(expectedContentBefore);
List<HighScoreEntry> entries = new ArrayList<HighScoreEntry>();
entries.add(new HighScoreEntry(3, "jabba", 402));
persistence.persistHighScores(entries);
assertThat(file).exists().isFile();
String expectedContentAfter = "3,jabba,402;" + LINE_SEPARATOR;
assertThat(file).hasContent(expectedContentAfter);
}
@Test
public void testCsvToEntryNullParam() {
assertThat(persistence.csvToEntry(null)).isNull();
}
@Test
public void testCsvToEntrySemicolonInPlayername() {
String csv = "1,the;imperator,123";
assertThat(persistence.csvToEntry(csv)).isNull();
}
