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import datetime
from decimal import Decimal
from inspect import getmodule
import pytest
from model_bakery.utils import get_calling_module, import_from_str, seq
from tests.generic.models import User
def test_import_from_str():
with pytest.raises(AttributeError):
import_from_str("tests.generic.UndefinedObject")
with pytest.raises(ImportError):
import_from_str("tests.generic.undefined_path.User")
assert import_from_str("tests.generic.models.User") == User
assert import_from_str(User) == User
assert import_from_str("generic.User") == User
def test_get_calling_module():
# Reference to this very module
this_module = getmodule(test_get_calling_module)
# Once removed is the `pytest` module calling this function
pytest_module = get_calling_module(1)
assert pytest_module != this_module
assert "pytest" in pytest_module.__name__
# Test functions
def dummy_secondary_method():
return get_calling_module(2), get_calling_module(3)
def dummy_method():
return (*dummy_secondary_method(), get_calling_module(1), get_calling_module(2))
# Unpack results from the function chain
sec_mod, sec_pytest_mod, dummy_mod, pytest_mod = dummy_method()
assert sec_mod == this_module
assert "pytest" in sec_pytest_mod.__name__
assert dummy_mod == this_module
assert "pytest" in pytest_mod.__name__
# Raise an `IndexError` when attempting to access too many frames removed
with pytest.raises(IndexError):
assert get_calling_module(100)
class TestSeq:
def test_string(self):
sequence = seq("muffin")
assert next(sequence) == "muffin1"
assert next(sequence) == "muffin2"
assert next(sequence) == "muffin3"
def test_string_start(self):
sequence = seq("muffin", start=9)
assert next(sequence) == "muffin9"
assert next(sequence) == "muffin10"
assert next(sequence) == "muffin11"
def test_string_suffix(self):
sequence = seq("cookie", suffix="@example.com")
assert next(sequence) == "cookie1@example.com"
assert next(sequence) == "cookie2@example.com"
assert next(sequence) == "cookie3@example.com"
def test_string_suffix_and_start(self):
sequence = seq("cookie", start=111, suffix="@example.com")
assert next(sequence) == "cookie111@example.com"
assert next(sequence) == "cookie112@example.com"
assert next(sequence) == "cookie113@example.com"
def test_string_invalid_suffix(self):
with pytest.raises(TypeError) as exc:
next(seq("cookie", suffix=42))
assert str(exc.value) == "Sequences suffix can only be a string"
def test_int(self):
sequence = seq(1)
assert next(sequence) == 2
assert next(sequence) == 3
assert next(sequence) == 4
def test_int_increment_by(self):
sequence = seq(1, increment_by=3)
assert next(sequence) == 4
assert next(sequence) == 7
assert next(sequence) == 10
def test_decimal(self):
sequence = seq(Decimal("36.6"))
assert next(sequence) == Decimal("37.6")
assert next(sequence) == Decimal("38.6")
assert next(sequence) == Decimal("39.6")
def test_decimal_increment_by(self):
sequence = seq(Decimal("36.6"), increment_by=Decimal("2.4"))
assert next(sequence) == Decimal("39.0")
assert next(sequence) == Decimal("41.4")
assert next(sequence) == Decimal("43.8")
def test_float(self):
sequence = seq(1.23)
assert next(sequence) == 2.23
assert next(sequence) == 3.23
assert next(sequence) == 4.23
def test_float_increment_by(self):
sequence = seq(1.23, increment_by=1.8)
assert next(sequence) == pytest.approx(3.03)
assert next(sequence) == pytest.approx(4.83)
assert next(sequence) == pytest.approx(6.63)
def test_numbers_start_from_zero(self):
sequence = seq(0, start=0)
assert next(sequence) == 0
assert next(sequence) == 1
assert next(sequence) == 2
def test_numbers_with_suffix(self):
with pytest.raises(TypeError) as exc:
next(seq(1, suffix="iamnotanumber"))
assert (
str(exc.value) == "Sequences with suffix can only be used with text values"
)
def test_date(self):
sequence = seq(
datetime.date(2021, 2, 11), increment_by=datetime.timedelta(days=6)
)
assert next(sequence) == datetime.date(2021, 2, 17)
assert next(sequence) == datetime.date(2021, 2, 23)
assert next(sequence) == datetime.date(2021, 3, 1)
def test_time(self):
sequence = seq(
datetime.time(15, 39, 58, 457698),
increment_by=datetime.timedelta(minutes=59),
)
assert next(sequence) == datetime.time(16, 38, 58, 457698)
assert next(sequence) == datetime.time(17, 37, 58, 457698)
assert next(sequence) == datetime.time(18, 36, 58, 457698)
@pytest.mark.parametrize("use_tz", [False, True])
def test_datetime(self, settings, use_tz):
settings.USE_TZ = use_tz
tzinfo = datetime.timezone.utc if use_tz else None
# Starting with tz-unaware (naive) datetime
sequence = seq(
datetime.datetime(2021, 2, 11, 15, 39, 58, 457698),
increment_by=datetime.timedelta(hours=3),
)
assert next(sequence) == datetime.datetime(
2021, 2, 11, 18, 39, 58, 457698
).replace(tzinfo=tzinfo)
assert next(sequence) == datetime.datetime(
2021, 2, 11, 21, 39, 58, 457698
).replace(tzinfo=tzinfo)
assert next(sequence) == datetime.datetime(
2021, 2, 12, 00, 39, 58, 457698
).replace(tzinfo=tzinfo)
# Starting with tz-aware datetime
sequence = seq(
datetime.datetime(2021, 2, 11, 15, 39, 58, 457698, tzinfo=tzinfo),
increment_by=datetime.timedelta(hours=3),
)
assert next(sequence) == datetime.datetime(
2021, 2, 11, 18, 39, 58, 457698
).replace(tzinfo=tzinfo)
@pytest.mark.parametrize(
"value",
[
datetime.datetime(2021, 2, 11, 15, 39, 58, 457698),
datetime.date(2021, 2, 11),
datetime.time(15, 39, 58, 457698),
],
)
def test_should_raise_exception_for_datetime_instances(self, value):
with pytest.raises(TypeError) as exc:
next(seq(value))
assert str(exc.value) == (
"Sequences with values datetime.datetime, datetime.date and datetime.time, "
"incremente_by must be a datetime.timedelta."
)
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