@RunWith(JMock.class)
public class FormatTransactionAsCsvRowTest {
private final Mockery mockery = new Mockery();
private final CsvFormat<LocalDate> dateFormat = mockery.mock(CsvFormat.class, "date format");
private final CsvFormat<Category> categoryFormat =
mockery.mock(CsvFormat.class, "category format");
private final CsvFormat<Amount> amountFormat = mockery.mock(CsvFormat.class, "amount format");
private final TransactionCsvFormat transactionCsvFormat =
new TransactionCsvFormat(dateFormat, categoryFormat, amountFormat);
private LocalDate anyNonNullDate = new LocalDate(2012, 11, 14);
private Category anyNonNullCategory = new Category("Bowling Winnings");
private Amount anyNonNullAmount = Amount.cents(250);
@Test
public void happyPath() throws Exception {
mockery.checking(
new Expectations() {
{
allowing(dateFormat).format(with(any(LocalDate.class)));
will(returnValue("::the date::"));
allowing(categoryFormat).format(with(any(Category.class)));
will(returnValue("::the category::"));
allowing(amountFormat).format(with(any(Amount.class)));
will(returnValue("::the amount::"));
}
});
final Transaction transaction =
new Transaction(anyNonNullDate, anyNonNullCategory, anyNonNullAmount);
final String rowText = transactionCsvFormat.format(transaction);
assertThat(
rowText,
matches(
Pattern.compile(
"\\s*\"::the date::\","
+ "\\s*\"::the category::\","
+ "\\s*\"::the amount::\"\\s*")));
}
@Test
public void nullTransaction() throws Exception {
try {
transactionCsvFormat.format(null);
fail("How did you format a null transaction?!");
} catch (ProgrammerMistake success) {
}
}
}
@Test
public void happyPath() throws Exception {
mockery.checking(
new Expectations() {
{
allowing(dateFormat).format(with(any(LocalDate.class)));
will(returnValue("::the date::"));
allowing(categoryFormat).format(with(any(Category.class)));
will(returnValue("::the category::"));
allowing(amountFormat).format(with(any(Amount.class)));
will(returnValue("::the amount::"));
}
});
final Transaction transaction =
new Transaction(anyNonNullDate, anyNonNullCategory, anyNonNullAmount);
final String rowText = transactionCsvFormat.format(transaction);
assertThat(
rowText,
matches(
Pattern.compile(
"\\s*\"::the date::\","
+ "\\s*\"::the category::\","
+ "\\s*\"::the amount::\"\\s*")));
}