address ruff errors

test_bot/test_timer.py

@@ -1,9 +1,12 @@
+"""Test functions dedicated to time measurement and conversion."""
+
 from datetime import datetime, timedelta
 
 from lib import timer
 
 
-def test_time_conversion():
+def test_time_conversion() -> None:
+    """Test conversion of time units."""
     assert timer.msec(1000) == timedelta(milliseconds=1000)
     assert timer.to_msec(timedelta(milliseconds=1000)) == 1000.0
 
@@ -26,70 +29,67 @@ def test_time_conversion():
     assert timer.to_seconds(timer.years(1)) == 31536000.0
 
 
-def test_init_default():
+def test_init() -> None:
+    """Test Timer class init."""
     t = timer.Timer()
     assert t.duration == timedelta(0)
     assert t.starting_time is not None
 
-def test_init_custom_duration():
     duration = timedelta(seconds=10)
     t = timer.Timer(duration)
     assert t.duration == duration
     assert t.starting_time is not None
 
-def test_init_backdated_timestamp():
     backdated_timestamp = datetime.now() - timedelta(seconds=10)
     t = timer.Timer(backdated_timestamp=backdated_timestamp)
     assert t.starting_time is not None
     assert t.time_since_reset() >= timedelta(seconds=10)
 
-def test_is_expired_not_expired():
+def test_is_expired() -> None:
+    """Test timer expiration."""
     t = timer.Timer(timedelta(seconds=10))
     assert not t.is_expired()
 
-def test_is_expired_expired():
     t = timer.Timer(timedelta(seconds=0))
     assert t.is_expired()
 
-def test_is_expired_expired_after_reset():
     t = timer.Timer(timedelta(seconds=10))
     t.reset()
     t.starting_time -= 10
     assert t.is_expired()
 
-def test_reset():
+def test_reset() -> None:
+    """Test timer reset."""
     t = timer.Timer(timedelta(seconds=10))
     t.reset()
     assert t.starting_time is not None
     assert timer.sec_str(t.time_since_reset()) == timer.sec_str(timedelta(0))
 
-def test_time_since_reset():
+def test_time() -> None:
+    """Test time measurement, expiration, and time until expiration."""
     t = timer.Timer(timedelta(seconds=10))
     t.starting_time -= 5
     assert timer.sec_str(t.time_since_reset()) == timer.sec_str(timedelta(seconds=5))
 
-def test_time_until_expiration():
     t = timer.Timer(timedelta(seconds=10))
     t.starting_time -= 5
     assert timer.sec_str(t.time_until_expiration()) == timer.sec_str(timedelta(seconds=5))
 
-def test_time_until_expiration_expired():
     t = timer.Timer(timedelta(seconds=10))
     t.starting_time -= 15  # Simulate time passing
     assert t.time_until_expiration() == timedelta(0)
 
-def test_starting_timestamp():
-    t = timer.Timer(timedelta(seconds=10))
-    timestamp_format = "%Y-%m-%d %H:%M:%S"
-    expected_timestamp = (datetime.now() - t.time_since_reset()).strftime(timestamp_format)
-    assert t.starting_timestamp(timestamp_format) == expected_timestamp
-
-def test_time_until_expiration_max_zero():
     t = timer.Timer(timedelta(seconds=10))
     t.starting_time -= 15
     assert t.time_until_expiration() == timedelta(0)
 
-def test_time_until_expiration_max_positive():
     t = timer.Timer(timedelta(seconds=10))
     t.starting_time -= 5
     assert timer.sec_str(t.time_until_expiration()) == timer.sec_str(timedelta(seconds=5))
+
+def test_starting_timestamp() -> None:
+    """Test timestamp conversion and integration."""
+    t = timer.Timer(timedelta(seconds=10))
+    timestamp_format = "%Y-%m-%d %H:%M:%S"
+    expected_timestamp = (datetime.now() - t.time_since_reset()).strftime(timestamp_format)
+    assert t.starting_timestamp(timestamp_format) == expected_timestamp