@Test
public void testWithHeader() throws Exception {
ComplexTypeDescriptor countryDescriptor = createCountryDescriptor();
ComplexTypeDescriptor personDescriptor = createPersonDescriptor(countryDescriptor);
CSVEntityIterator iterator =
new CSVEntityIterator(
PLAIN_URI, personDescriptor, new NoOpConverter<String>(), ',', Encodings.UTF_8);
assertEquals(new Entity(personDescriptor, "name", "Alice", "age", 23), nextOf(iterator));
assertEquals(new Entity(personDescriptor, "name", "Bob", "age", 34), nextOf(iterator));
assertEquals(new Entity(personDescriptor, "name", "Charly", "age", 45), nextOf(iterator));
assertUnavailable(iterator);
}
@Test
public void testWithoutHeader() throws Exception {
ComplexTypeDescriptor countryDescriptor = createCountryDescriptor();
ComplexTypeDescriptor personDescriptor = createPersonDescriptor(countryDescriptor);
CSVEntityIterator iterator =
new CSVEntityIterator(
PLAIN_URI, personDescriptor, new NoOpConverter<String>(), ',', Encodings.UTF_8);
iterator.setColumns(new String[] {"c1", "c2"});
assertEquals(new Entity(personDescriptor, "c1", "name", "c2", "age"), nextOf(iterator));
assertEquals(new Entity(personDescriptor, "c1", "Alice", "c2", "23"), nextOf(iterator));
assertEquals(new Entity(personDescriptor, "c1", "Bob", "c2", "34"), nextOf(iterator));
assertEquals(new Entity(personDescriptor, "c1", "Charly", "c2", "45"), nextOf(iterator));
assertUnavailable(iterator);
}
@Test
public void testGraph() throws Exception {
ComplexTypeDescriptor countryDescriptor = createCountryDescriptor();
ComplexTypeDescriptor personDescriptor = createPersonDescriptor(countryDescriptor);
// Define expected countries
Entity germany = new Entity(countryDescriptor, "isoCode", "DE", "name", "Germany");
Entity usa = new Entity(countryDescriptor, "isoCode", "US", "name", "USA");
// Define expected persons
Entity alice = new Entity(personDescriptor, "name", "Alice", "age", 23, "country", germany);
Entity bob = new Entity(personDescriptor, "name", "Bob", "age", 34, "country", usa);
// iterate CSV file and check iterator output
CSVEntityIterator iterator =
new CSVEntityIterator(GRAPH_URI, personDescriptor, null, ',', Encodings.UTF_8);
assertEquals(alice, nextOf(iterator));
assertEquals(bob, nextOf(iterator));
assertUnavailable(iterator);
}