def test_empty_results(self):
paginator = SequencePaginator([])
result = paginator.get_result(5)
assert list(result) == []
assert result.prev == Cursor(0, 0, True, False)
assert result.next == Cursor(0, 0, False, False)
paginator = SequencePaginator([], reverse=True)
result = paginator.get_result(5)
assert list(result) == []
assert result.prev == Cursor(0, 0, True, False)
assert result.next == Cursor(0, 0, False, False)
def test_empty_results(self):
paginator = SequencePaginator([])
result = paginator.get_result(5)
assert list(result) == []
assert result.prev == Cursor(0, 0, True, False)
assert result.next == Cursor(0, 0, False, False)
paginator = SequencePaginator([], reverse=True)
result = paginator.get_result(5)
assert list(result) == []
assert result.prev == Cursor(0, 0, True, False)
assert result.next == Cursor(0, 0, False, False)
def test_descending_repeated_scores(self):
paginator = SequencePaginator([(1, i) for i in range(10)], reverse=True)
result = paginator.get_result(5)
assert list(result) == [9, 8, 7, 6, 5]
assert result.prev == Cursor(1, 0, True, False)
assert result.next == Cursor(1, 5, False, True)
result = paginator.get_result(5, result.next)
assert list(result) == [4, 3, 2, 1, 0]
assert result.prev == Cursor(1, 5, True, True)
assert result.next == Cursor(1, 10, False, False)
result = paginator.get_result(5, result.prev)
assert list(result) == [9, 8, 7, 6, 5]
assert result.prev == Cursor(1, 0, True, False)
assert result.next == Cursor(1, 5, False, True)
result = paginator.get_result(5, Cursor(-10, 0, False))
assert list(result) == []
assert result.prev == Cursor(1, 10, True, True)
assert result.next == Cursor(1, 10, False, False)
def test_descending_simple(self):
paginator = SequencePaginator([(i, i) for i in range(10)], reverse=True)
result = paginator.get_result(5)
assert list(result) == [9, 8, 7, 6, 5]
assert result.prev == Cursor(9, 0, True, False)
assert result.next == Cursor(4, 0, False, True)
result = paginator.get_result(5, result.next)
assert list(result) == [4, 3, 2, 1, 0]
assert result.prev == Cursor(4, 0, True, True)
assert result.next == Cursor(0, 1, False, False)
result = paginator.get_result(5, result.prev)
assert list(result) == [9, 8, 7, 6, 5]
assert result.prev == Cursor(9, 0, True, False)
assert result.next == Cursor(4, 0, False, True)
result = paginator.get_result(5, Cursor(-10, 0, False))
assert list(result) == []
assert result.prev == Cursor(0, 1, True, True)
assert result.next == Cursor(0, 1, False, False)
def test_ascending_simple(self):
paginator = SequencePaginator([(i, i) for i in range(10)], reverse=False)
result = paginator.get_result(5)
assert list(result) == [0, 1, 2, 3, 4]
assert result.prev == Cursor(0, 0, True, False)
assert result.next == Cursor(5, 0, False, True)
result = paginator.get_result(5, result.next)
assert list(result) == [5, 6, 7, 8, 9]
assert result.prev == Cursor(5, 0, True, True)
assert result.next == Cursor(9, 1, False, False)
result = paginator.get_result(5, result.prev)
assert list(result) == [0, 1, 2, 3, 4]
assert result.prev == Cursor(0, 0, True, False)
assert result.next == Cursor(5, 0, False, True)
result = paginator.get_result(5, Cursor(100, 0, False))
assert list(result) == []
assert result.prev == Cursor(9, 1, True, True)
assert result.next == Cursor(9, 1, False, False)
def test_descending_repeated_scores(self):
paginator = SequencePaginator([(1, i) for i in range(10)], reverse=True)
result = paginator.get_result(5)
assert list(result) == [9, 8, 7, 6, 5]
assert result.prev == Cursor(1, 0, True, False)
assert result.next == Cursor(1, 5, False, True)
result = paginator.get_result(5, result.next)
assert list(result) == [4, 3, 2, 1, 0]
assert result.prev == Cursor(1, 5, True, True)
assert result.next == Cursor(1, 10, False, False)
result = paginator.get_result(5, result.prev)
assert list(result) == [9, 8, 7, 6, 5]
assert result.prev == Cursor(1, 0, True, False)
assert result.next == Cursor(1, 5, False, True)
result = paginator.get_result(5, Cursor(-10, 0, False))
assert list(result) == []
assert result.prev == Cursor(1, 10, True, True)
assert result.next == Cursor(1, 10, False, False)
def test_descending_simple(self):
paginator = SequencePaginator([(i, i) for i in range(10)], reverse=True)
result = paginator.get_result(5)
assert list(result) == [9, 8, 7, 6, 5]
assert result.prev == Cursor(9, 0, True, False)
assert result.next == Cursor(4, 0, False, True)
result = paginator.get_result(5, result.next)
assert list(result) == [4, 3, 2, 1, 0]
assert result.prev == Cursor(4, 0, True, True)
assert result.next == Cursor(0, 1, False, False)
result = paginator.get_result(5, result.prev)
assert list(result) == [9, 8, 7, 6, 5]
assert result.prev == Cursor(9, 0, True, False)
assert result.next == Cursor(4, 0, False, True)
result = paginator.get_result(5, Cursor(-10, 0, False))
assert list(result) == []
assert result.prev == Cursor(0, 1, True, True)
assert result.next == Cursor(0, 1, False, False)
def test_ascending_simple(self):
paginator = SequencePaginator([(i, i) for i in range(10)], reverse=False)
result = paginator.get_result(5)
assert list(result) == [0, 1, 2, 3, 4]
assert result.prev == Cursor(0, 0, True, False)
assert result.next == Cursor(5, 0, False, True)
result = paginator.get_result(5, result.next)
assert list(result) == [5, 6, 7, 8, 9]
assert result.prev == Cursor(5, 0, True, True)
assert result.next == Cursor(9, 1, False, False)
result = paginator.get_result(5, result.prev)
assert list(result) == [0, 1, 2, 3, 4]
assert result.prev == Cursor(0, 0, True, False)
assert result.next == Cursor(5, 0, False, True)
result = paginator.get_result(5, Cursor(100, 0, False))
assert list(result) == []
assert result.prev == Cursor(9, 1, True, True)
assert result.next == Cursor(9, 1, False, False)
def test_hits(self):
n = 10
paginator = SequencePaginator([(i, i) for i in range(n)])
assert paginator.get_result(5, count_hits=True).hits == n
def test_hits(self):
n = 10
paginator = SequencePaginator([(i, i) for i in range(n)])
assert paginator.get_result(5, count_hits=True).hits == n