Tests for zwave workaround detection (#6761)

* Tests for zwave workaround detection

* Remove unused code

* Revert "Remove unused code"

This reverts commit e06cce0abe.

* Tests for empty manufacturer ID

tests/components/zwave/test_workaround.py

@@ -0,0 +1,40 @@
+"""Test Z-Wave workarounds."""
+from homeassistant.components.zwave import const, workaround
+from tests.mock.zwave import MockNode, MockValue
+
+
+def test_get_device_no_component_mapping():
+    """Test that None is returned."""
+    node = MockNode(manufacturer_id=' ')
+    value = MockValue(data=0, node=node)
+    assert workaround.get_device_component_mapping(value) is None
+
+
+def test_get_device_component_mapping():
+    """Test that component is returned."""
+    node = MockNode(manufacturer_id='010f', product_type='0b00')
+    value = MockValue(data=0, node=node,
+                      command_class=const.COMMAND_CLASS_SENSOR_ALARM)
+    assert workaround.get_device_component_mapping(value) == 'binary_sensor'
+
+
+def test_get_device_no_mapping():
+    """Test that no device mapping is returned."""
+    node = MockNode(manufacturer_id=' ')
+    value = MockValue(data=0, node=node)
+    assert workaround.get_device_mapping(value) is None
+
+
+def test_get_device_mapping_mt():
+    """Test that device mapping mt is returned."""
+    node = MockNode(manufacturer_id='0047', product_type='5a52')
+    value = MockValue(data=0, node=node)
+    assert workaround.get_device_mapping(value) == 'workaround_no_position'
+
+
+def test_get_device_mapping_mtii():
+    """Test that device mapping mtii is returned."""
+    node = MockNode(manufacturer_id='013c', product_type='0002',
+                    product_id='0002')
+    value = MockValue(data=0, node=node, index=0)
+    assert workaround.get_device_mapping(value) == 'trigger_no_off_event'