Fix IFCTester handling of falsey properties

src/ifctester/Makefile

@@ -0,0 +1,3 @@
+.PHONY: test
+test:
+	pytest -p no:pytest-blender test

src/ifctester/ifctester/facet.py

@@ -366,7 +366,7 @@ class Property(Facet):
                 props[pset_name] = {}
                 if isinstance(self.name, str):
                     prop = pset_props.get(self.name)
-                    if prop:
+                    if prop is not None and prop != "":
                         props[pset_name][self.name] = prop
                 else:
                     props[pset_name] = {k: v for k, v in pset_props.items() if k == self.name}

src/ifctester/test/test_facet.py

@@ -840,6 +840,10 @@ class TestProperty:
         run("", facet=facet, inst=element, expected=False)
         ifcopenshell.api.run("pset.edit_pset", ifc, pset=pset, properties={"Foo": "Bar"})
         run("", facet=facet, inst=element, expected=True)
+        ifcopenshell.api.run("pset.edit_pset", ifc, pset=pset, properties={"Foo": ifc.createIfcBoolean(True)})
+        run("", facet=facet, inst=element, expected=True)
+        ifcopenshell.api.run("pset.edit_pset", ifc, pset=pset, properties={"Foo": False})
+        run("", facet=facet, inst=element, expected=True)
 
         # A simple value checks an exact case-sensitive match
         facet = Property(propertySet="Foo_Bar", name="Foo", value="Bar")

src/ifctester/webapp/www/app.js

@@ -460,8 +460,8 @@ class IDSFacet extends HTMLElement {
 
         var name = this.idsElement.getElementsByTagNameNS(ns, 'name')[0];
         var value = this.getIdsValue(name);
-        if (value.type == 'simpleValue') {
-            var content = this.capitalise(value.content.toLowerCase().replace('ifc', ''))
+        if (value.type == 'simpleValue' || value.type == 'enumeration') {
+            var content = this.capitalise(value.content.toLowerCase().replaceAll('ifc', ''))
             parameters.name = '<ids-param filter="entityName">' + content + '</ids-param>';
             this.params.push(value.param);
         }