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def test_freezer_move_to_method(pytester):
pytester.makepyfile(
"""
from datetime import datetime
def test_freezer_move_to_method(freezer):
freezer.move_to("2021-01-01")
assert datetime.now().year == 2021
freezer.move_to("2022-01-01")
assert datetime.now().year == 2022
"""
)
pytester.runpytest().assert_outcomes(passed=1)
def test_mark_decorator(pytester):
pytester.makepyfile(
"""
import pytest
from datetime import datetime
@pytest.mark.freeze_time("2022-10-17T12:34:56")
def test_mark_decorator():
assert datetime.now().isoformat() == "2022-10-17T12:34:56"
"""
)
pytester.runpytest().assert_outcomes(passed=1)
def test_frozen_by_default_with_fixture(pytester):
pytester.makepyfile(
"""
import time
from datetime import datetime
def test_frozen_by_default_with_fixture(freezer):
dt1 = datetime.now()
time.sleep(0.01)
dt2 = datetime.now()
assert dt1 == dt2
"""
)
pytester.runpytest().assert_outcomes(passed=1)
def test_not_frozen_with_no_fixture(pytester):
pytester.makepyfile(
"""
import time
from datetime import datetime
def test_not_frozen_with_no_fixture():
dt1 = datetime.now()
time.sleep(0.01)
dt2 = datetime.now()
assert dt1 < dt2
"""
)
pytester.runpytest().assert_outcomes(passed=1)
def test_tick_method(pytester):
pytester.makepyfile(
"""
from datetime import datetime
def test_tick_method(freezer):
freezer.move_to("2022-10-17")
assert datetime.now() == datetime(2022, 10, 17)
freezer.tick()
assert datetime.now() == datetime(2022, 10, 17, 0, 0, 1)
freezer.tick(delta=12)
assert datetime.now() == datetime(2022, 10, 17, 0, 0, 13)
"""
)
pytester.runpytest().assert_outcomes(passed=1)
def test_durations(pytester):
pytester.makepyfile(
"""
def test_durations(freezer):
freezer.move_to('2000-01-01')
"""
)
result = pytester.runpytest("--durations=3", "-vv")
durations = {}
for line in result.outlines:
if "test_durations.py::test_durations" not in line:
continue
for stage in "setup", "call", "teardown":
if stage in line:
duration = line.split()[0]
durations[stage] = float(duration[:-1])
assert 0 <= durations["setup"] <= 1
assert 0 <= durations["call"] <= 1
assert 0 <= durations["teardown"] <= 1
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