def test_has_getter(number, json, monkeypatch):
getters = {}
monkeypatch.setattr('oeispy.getters.GETTERS', getters)
seq = oeis.A(number, json)
assert seq.has_getter is False
getters[number] = lambda x: None
seq = oeis.A(number, json)
assert seq.has_getter is True
def test_has_generator(number, json, monkeypatch):
generators = {}
monkeypatch.setattr('oeispy.generators.GENERATORS', generators)
seq = oeis.A(number, json)
assert seq.has_generator is False
generators[number] = lambda: None
seq = oeis.A(number, json)
assert seq.has_generator is True
def test_iter_with_generator(number, json, monkeypatch):
expected = (a for a in range(0))
generators = {number: lambda: expected}
monkeypatch.setattr('oeispy.generators.GENERATORS', generators)
seq = oeis.A(number, json)
output = iter(seq)
assert output == expected
def test_retrievable(number, json, monkeypatch):
generators = {}
getters = {}
monkeypatch.setattr('oeispy.generators.GENERATORS', generators)
monkeypatch.setattr('oeispy.getters.GETTERS', getters)
seq = oeis.A(number, json)
assert seq.retrievable is False
generators[number] = lambda x: None
seq = oeis.A(number, json)
assert seq.retrievable is True
del generators[number]
seq = oeis.A(number, json)
assert seq.retrievable is False
getters[number] = lambda: None
seq = oeis.A(number, json)
assert seq.retrievable is True
def test_getitem_less_than_offset(number, json, monkeypatch):
getter = mock.Mock()
monkeypatch.setattr('oeispy.getters.GETTERS', {number: getter})
seq = oeis.A(number, json)
assert seq._get is getter
with pytest.raises(IndexError):
_ = seq[seq.offset - 1]
def test_init_without_json(number, json, monkeypatch):
rq_get = mock.Mock()
rq_get.return_value.json.return_value = {'results': [json]}
monkeypatch.setattr('requests.get', rq_get)
seq = oeis.A(number)
assert seq.entry == json
assert seq.number == number
rq_get.assert_called_once_with(oeis.URI_FORMAT.format(number=number))
rq_get.return_value.json.assert_called_once()
def test_iter_no_generator(number, json, monkeypatch):
generators = {}
monkeypatch.setattr('oeispy.generators.GENERATORS', generators)
seq = oeis.A(number, json)
with pytest.raises(NotImplementedError):
iter(seq)
def test_init_with_json_given(number, json):
seq = oeis.A(number, json)
assert seq.entry == json
assert seq.number == number
def test_getitem_gets_from_data(number, json, monkeypatch):
monkeypatch.setattr('oeispy.getters.GETTERS', {})
seq = oeis.A(number, json)
seq.data = mock.MagicMock()
seq.data.__len__.return_value = 1
assert seq[seq.offset] == seq.data[0]
def test_get_succeeds(number, json, monkeypatch):
getter = mock.Mock()
monkeypatch.setattr('oeispy.getters.GETTERS', {number: getter})
seq = oeis.A(number, json)
assert seq._get is getter
assert seq.get(seq.offset) == getter.return_value
def seq(request):
return oeis.A(*request.param)
def test_get_no_getter(number, json, monkeypatch):
monkeypatch.setattr('oeispy.getters.GETTERS', {})
seq = oeis.A(number, json)
assert seq._get is None
with pytest.raises(NotImplementedError):
seq.get(0)