Merge pull request #383 from ikalchev/v4.2.1

V4.2.1

Author: ikalchev

CHANGELOG.md

@@ -16,6 +16,11 @@ Sections
 ### Developers
 -->
 
+## [4.2.1] - 2021-09-6
+
+### Fixed
+- Fix floating point values with minStep. [#382](https://github.com/ikalchev/HAP-python/pull/382)
+
 ## [4.2.0] - 2021-09-04
 
 ### Changed

pyhap/characteristic.py

@@ -210,8 +210,8 @@ def to_valid_value(self, value):
                 logger.error(error_msg)
                 raise ValueError(error_msg)
             min_step = self.properties.get(PROP_MIN_STEP)
-            if min_step:
-                value = value - (value % min_step)
+            if value and min_step:
+                value = round(min_step * round(value / min_step), 14)
             value = min(self.properties.get(PROP_MAX_VALUE, value), value)
             value = max(self.properties.get(PROP_MIN_VALUE, value), value)
             if self.properties[PROP_FORMAT] != HAP_FORMAT_FLOAT:

pyhap/const.py

@@ -1,7 +1,7 @@
 """This module contains constants used by other modules."""
 MAJOR_VERSION = 4
 MINOR_VERSION = 2
-PATCH_VERSION = 0
+PATCH_VERSION = 1
 __short_version__ = "{}.{}".format(MAJOR_VERSION, MINOR_VERSION)
 __version__ = "{}.{}".format(__short_version__, PATCH_VERSION)
 REQUIRED_PYTHON_VER = (3, 6)

tests/test_characteristic.py

@@ -139,8 +139,14 @@ def test_set_value_invalid_min_step(int_format):
     with patch(path) as mock_notify:
         char.set_value(5.55)
         # Ensure floating point is dropped on an int property
-        # Ensure value is lowered to match minStep
-        assert char.value == 4
+        # Ensure value is rounded to match minStep
+        assert char.value == 6
+        assert mock_notify.called is False
+
+        char.set_value(6.00)
+        # Ensure floating point is dropped on an int property
+        # Ensure value is rounded to match minStep
+        assert char.value == 6
         assert mock_notify.called is False
 
         char.broker = Mock()
@@ -159,6 +165,51 @@ def test_set_value_invalid_min_step(int_format):
         assert mock_notify.call_count == 1
 
 
+def test_set_value_invalid_min_float():
+    """Test setting the value of a characteristic that is outside the minStep."""
+    props = PROPERTIES.copy()
+    props["Format"] = HAP_FORMAT_FLOAT
+    props["minStep"] = 0.1
+    char = get_char(props, min_value=0, max_value=26)
+
+    char.set_value(5.55)
+    # Ensure value is rounded to match minStep
+    assert char.value == 5.5
+
+    char.set_value(22.2)
+    # Ensure value is rounded to match minStep
+    assert char.value == 22.2
+
+    char.set_value(22.200000)
+    # Ensure value is rounded to match minStep
+    assert char.value == 22.2
+
+    props = PROPERTIES.copy()
+    props["Format"] = HAP_FORMAT_FLOAT
+    props["minStep"] = 0.00001
+    char = get_char(props, min_value=0, max_value=26)
+
+    char.set_value(5.55)
+    # Ensure value is rounded to match minStep
+    assert char.value == 5.55
+
+    char.set_value(22.2)
+    # Ensure value is rounded to match minStep
+    assert char.value == 22.2
+
+    char.set_value(22.200000)
+    # Ensure value is rounded to match minStep
+    assert char.value == 22.2
+
+    char.set_value(22.12345678)
+    # Ensure value is rounded to match minStep
+    assert char.value == 22.12346
+
+    char.set_value(0)
+    # Ensure value is not modified
+    assert char.value == 0
+
+
 @pytest.mark.parametrize("int_format", HAP_FORMAT_INTS)
 def test_set_value_int(int_format):
     """Test setting the value of a characteristic."""