/** Tests if we can open the file, when it exists. */
@Test
public void fileConfirmationWhenFileExists() {
stub.setFileName("etc/data/test.txt");
presenter.start();
presenter.fileNameChanged();
presenter.confirmed();
assertTrue(loader.isLoaded());
assertTrue(stub.dataDisplayed());
}
/** Tests if the name of the file changes. */
@Test
public void updateFileNameToLoader() {
String EXPECTED_FILE = "Stamatis";
stub.setFileName(EXPECTED_FILE);
presenter.start();
presenter.fileNameChanged();
assertEquals(EXPECTED_FILE, loader.getFileName());
}
/** Tests if we receive a confirmation when we attempt to open a file that it doesn't exist. */
@Test
public void fileConfirmationWhenFileDoesNotExist() {
stub.setFileName("RandomName.txt");
presenter.start();
presenter.fileNameChanged();
presenter.confirmed();
assertFalse(loader.isLoaded());
assertEquals(1, stub.getMessagesSent());
}
/**
* Tests if we receive a confirmation when we attempt to open a file that it's name is null or an
* empty string.
*/
@Test
public void fileConfirmationWhenNameIsNull() {
stub.setFileName(null);
presenter.start();
presenter.fileNameChanged();
presenter.confirmed();
assertFalse(loader.isLoaded());
assertEquals(1, stub.getMessagesSent());
}