Define a few more steps

src/ifcblenderexport/features/steps/example_steps.py

@@ -1,14 +1,33 @@
 import ifcopenshell
 from behave import given, when, then, step
 
+class IfcFile(object):
+    file = None
+
+    @classmethod
+    def load(cls, path=None):
+        cls.file = ifcopenshell.open(path)
+
+    @classmethod
+    def get(cls):
+        return cls.file
+
 @given('the IFC file "{file}"')
 def step_impl(context, file):
-    context.file = ifcopenshell.open(file)
+    IfcFile.load(file)
+
+@given('that an IFC file is loaded')
+def step_impl(context):
+    assert IfcFile.get()
+
+@then('the file should be an {schema} file')
+def step_impl(context, schema):
+    assert IfcFile.get().schema == schema
 
 @then('the element {id} is an {ifc_class}')
 def step_impl(context, id, ifc_class):
-    assert context.file.by_id(id).is_a(ifc_class)
+    assert IfcFile.get().by_id(id).is_a(ifc_class)
 
 @then('the element {id} should not exist because {reason}')
 def step_impl(context, id, reason):
-    assert not context.file.by_id(id)
+    assert not IfcFile.get().by_id(id)