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more realistic time mocking #864

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Merged
merged 2 commits into from
Oct 29, 2025
Merged

more realistic time mocking #864

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41a56e0
non round time mocking
misrasaurabh1 Oct 29, 2025
5439348
update tests
misrasaurabh1 Oct 29, 2025
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4 changes: 2 additions & 2 deletions codeflash/verification/pytest_plugin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -98,8 +98,8 @@ def _apply_deterministic_patches() -> None:
_original_random = random.random

# Fixed deterministic values
fixed_timestamp = 1609459200.0 # 2021-01-01 00:00:00 UTC
fixed_datetime = datetime.datetime(2021, 1, 1, 0, 0, 0, tzinfo=datetime.timezone.utc)
fixed_timestamp = 1761717605.108106
fixed_datetime = datetime.datetime(2021, 1, 1, 2, 5, 10, tzinfo=datetime.timezone.utc)
fixed_uuid = uuid.UUID("12345678-1234-5678-9abc-123456789012")

# Counter for perf_counter to maintain relative timing
Expand Down
12 changes: 6 additions & 6 deletions tests/test_pytest_plugin_deterministic_patches.py
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Expand Up @@ -48,8 +48,8 @@ def setup_deterministic_environment(self):
original_os_urandom = os.urandom

# Create deterministic implementations (matching pytest_plugin.py)
fixed_timestamp = 1609459200.0 # 2021-01-01 00:00:00 UTC
fixed_datetime = datetime.datetime(2021, 1, 1, 0, 0, 0, tzinfo=datetime.timezone.utc)
fixed_timestamp = 1761717605.108106
fixed_datetime = datetime.datetime(2021, 1, 1, 2, 5, 10, tzinfo=datetime.timezone.utc)
fixed_uuid = uuid.UUID("12345678-1234-5678-9abc-123456789012")

# Counter for perf_counter
Expand Down Expand Up @@ -159,7 +159,7 @@ def mock_datetime_utcnow():

def test_time_time_deterministic(self, setup_deterministic_environment):
"""Test that time.time() returns a fixed deterministic value."""
expected_timestamp = 1609459200.0 # 2021-01-01 00:00:00 UTC
expected_timestamp = 1761717605.108106

# Call multiple times and verify consistent results
result1 = time.time()
Expand Down Expand Up @@ -311,7 +311,7 @@ def test_datetime_mocks_available(self, setup_deterministic_environment):
result1 = mock_now()
result2 = mock_utcnow()

expected_dt = datetime.datetime(2021, 1, 1, 0, 0, 0, tzinfo=datetime.timezone.utc)
expected_dt = datetime.datetime(2021, 1, 1, 2, 5, 10, tzinfo=datetime.timezone.utc)
assert result1 == expected_dt
assert result2 == expected_dt

Expand Down Expand Up @@ -355,7 +355,7 @@ def test_different_uuid_functions_same_result(self, setup_deterministic_environm
def test_patches_applied_correctly(self, setup_deterministic_environment):
"""Test that patches are applied correctly."""
# Test that functions return expected deterministic values
assert time.time() == 1609459200.0
assert time.time() == 1761717605.108106
assert uuid.uuid4() == uuid.UUID("12345678-1234-5678-9abc-123456789012")
assert random.random() == 0.123456789
assert os.urandom(4) == b"\x42\x42\x42\x42"
Expand All @@ -378,7 +378,7 @@ def test_edge_cases(self, setup_deterministic_environment):
# Test with different timezone
utc_tz = datetime.timezone.utc
result_with_tz = mock_now(utc_tz)
expected_with_tz = datetime.datetime(2021, 1, 1, 0, 0, 0, tzinfo=utc_tz)
expected_with_tz = datetime.datetime(2021, 1, 1, 2, 5, 10, tzinfo=datetime.timezone.utc)
assert result_with_tz == expected_with_tz

def test_integration_with_actual_optimization_scenario(self, setup_deterministic_environment):
Expand Down
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