Добавлены тесты для всех классов

tests/test_timer.py

@@ -0,0 +1,69 @@
+import time
+import pytest
+from ipars import TimerManager
+
+
+def test_getWorkTime_seconds():
+    timer = TimerManager()
+    timer.start()
+    time.sleep(0.1)
+    timer.end()
+    result = timer.getWorkTime('seconds')
+    assert 0.05 < result < 0.5
+
+
+def test_getWorkTime_minutes():
+    timer = TimerManager()
+    timer.start()
+    time.sleep(0.1)
+    timer.end()
+    result = timer.getWorkTime('minutes')
+    assert result < 0.01
+
+
+def test_getWorkTime_hours():
+    timer = TimerManager()
+    timer.start()
+    time.sleep(0.1)
+    timer.end()
+    result = timer.getWorkTime('hours')
+    assert result < 0.001
+
+
+def test_getWorkTime_ndigits():
+    timer = TimerManager()
+    timer.start()
+    time.sleep(0.1)
+    timer.end()
+    result = timer.getWorkTime('seconds', ndigits=2)
+    assert isinstance(result, float)
+    assert len(str(result).split('.')[-1]) <= 2
+
+
+def test_getWorkTime_returns_float():
+    timer = TimerManager()
+    timer.start()
+    timer.end()
+    result = timer.getWorkTime()
+    assert isinstance(result, float)
+
+
+def test_raises_without_start():
+    timer = TimerManager()
+    with pytest.raises(ValueError, match='"start"'):
+        timer.getWorkTime()
+
+
+def test_raises_without_end():
+    timer = TimerManager()
+    timer.start()
+    with pytest.raises(ValueError, match='"end"'):
+        timer.getWorkTime()
+
+
+def test_raises_invalid_format():
+    timer = TimerManager()
+    timer.start()
+    timer.end()
+    with pytest.raises(ValueError, match='milliseconds'):
+        timer.getWorkTime('milliseconds')