@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) {
}
}
}
@RunWith(RobolectricTestRunner.class)
public class HandleExportAllTransactionsTest {
private Mockery mockery = new Mockery();
private final BrowseTransactionsModel browseTransactionsModel =
mockery.mock(BrowseTransactionsModel.class);
private final ExportAllTransactionsAction exportAllTransactionsAction =
mockery.mock(ExportAllTransactionsAction.class);
private final AndroidDevicePublicStorageGateway androidDevicePublicStorageGateway =
mockery.mock(AndroidDevicePublicStorageGateway.class);
private final BrowseTransactionsActivity browseTransactionsActivity =
new BrowseTransactionsActivity(
null,
exportAllTransactionsAction,
androidDevicePublicStorageGateway,
browseTransactionsModel);
@Before
public void initializeActivity() {
browseTransactionsActivity.onCreate(null);
browseTransactionsActivity.setCollaborators(
exportAllTransactionsAction, androidDevicePublicStorageGateway, browseTransactionsModel);
}
@Test
public void happyPath() throws Exception {
final Collection<Object> anyValidNonTrivialCollectionOfTransactions =
Lists.newArrayList(new Object(), new Object(), new Object());
mockery.checking(
new Expectations() {
{
allowing(browseTransactionsModel).findAllTransactions();
will(returnValue(anyValidNonTrivialCollectionOfTransactions));
// SMELL Irrelevant detail
ignoring(androidDevicePublicStorageGateway).findPublicExternalStorageDirectory();
allowing(exportAllTransactionsAction).execute(with(any(List.class)));
// succeeds by not throwing an exception
}
});
pressExportAllTransactionsButton(browseTransactionsActivity);
assertLastToastMatchesRegex("Exported all transactions to (.+)\\.csv");
}
@Test
public void mediaNotAvailable() throws Exception {
mockery.checking(
new Expectations() {
{
allowing(browseTransactionsModel).findAllTransactions();
allowing(androidDevicePublicStorageGateway).findPublicExternalStorageDirectory();
will(throwException(new PublicStorageMediaNotAvailableException()));
never(exportAllTransactionsAction);
}
});
pressExportAllTransactionsButton(browseTransactionsActivity);
assertLastToastMatchesRegex(
"No place to which to export the transactions. Insert an SD card or connect an "
+ "external storage device and try again.");
}
@Test
public void mediaNotWritable() throws Exception {
mockery.checking(
new Expectations() {
{
allowing(browseTransactionsModel).findAllTransactions();
allowing(androidDevicePublicStorageGateway).findPublicExternalStorageDirectory();
will(
throwException(
new PublicStorageMediaNotWritableException(
new File("/mnt/sdcard/TrackEveryPenny.csv"))));
never(exportAllTransactionsAction);
}
});
pressExportAllTransactionsButton(browseTransactionsActivity);
assertLastToastMatchesRegex(
"Permission denied trying to export the transactions to file "
+ "/mnt/sdcard/TrackEveryPenny.csv");
}
@Test
public void modelBlowsUpInAnUnavoidableWay() throws Exception {
mockery.checking(
new Expectations() {
{
allowing(browseTransactionsModel).findAllTransactions();
will(throwException(new InternalStorageException()));
}
});
pressExportAllTransactionsButton(browseTransactionsActivity);
assertLastToastMatchesRegex(
"Something strange just happened. Try again. You might need to reinstall the "
+ "application. I feel embarrassed and ashamed.");
}
@Test
public void exportActionBlowsUpInAnUnavoidableWay() throws Exception {
mockery.checking(
new Expectations() {
{
// SMELL How can I ignore these irrelevant details?
ignoring(browseTransactionsModel);
ignoring(androidDevicePublicStorageGateway);
allowing(exportAllTransactionsAction).execute(with(any(List.class)));
will(throwException(new InternalStorageException()));
}
});
pressExportAllTransactionsButton(browseTransactionsActivity);
assertLastToastMatchesRegex(
"Something strange just happened. Try again. You might need to reinstall the "
+ "application. I feel embarrassed and ashamed.");
}
@Test
public void exportWhateverTheModelProvides() throws Exception {
final List<Transaction> anyNonEmptyListOfTransactions =
ObjectMother.anyNonEmptyListOfTransactions();
mockery.checking(
new Expectations() {
{
allowing(browseTransactionsModel).findAllTransactions();
will(returnValue(anyNonEmptyListOfTransactions));
ignoring(androidDevicePublicStorageGateway);
oneOf(exportAllTransactionsAction).execute(with(anyNonEmptyListOfTransactions));
}
});
pressExportAllTransactionsButton(browseTransactionsActivity);
}
private void pressExportAllTransactionsButton(
BrowseTransactionsActivity browseTransactionsActivity) {
browseTransactionsActivity.exportAllTransactions(
browseTransactionsActivity.findViewById(R.id.exportAllTransactionsButton));
}
public static void assertLastToastMatchesRegex(String patternText) {
ShadowHandler.idleMainLooper();
assertThat(ShadowToast.getTextOfLatestToast(), matches(Pattern.compile(patternText)));
}
}