Add revoked property

stix2/common.py

@@ -24,6 +24,11 @@ REF_PROPERTY = {
     'error_msg': "{type} {field} values must consist of a valid STIX type name and a valid UUID, separated by '--'."
 }
 
+BOOL_PROPERTY = {
+    'validate': (lambda x, val: isinstance(val, bool)),
+    'error_msg': "{type} {field} value must be a boolean."
+}
+
 COMMON_PROPERTIES = {
     'type': TYPE_PROPERTY,
     'id': ID_PROPERTY,
@@ -33,6 +38,7 @@ COMMON_PROPERTIES = {
     'modified': {
         'default': NOW,
     },
+    'revoked': BOOL_PROPERTY,
     'created_by_ref': REF_PROPERTY
 }
 

stix2/test/test_stix2.py

@@ -182,6 +182,12 @@ def test_indicator_created_ref_invalid_format():
     assert str(excinfo.value) == "Indicator created_by_ref values must consist of a valid STIX type name and a valid UUID, separated by '--'."
 
 
+def test_indicator_revoked_invalid():
+    with pytest.raises(ValueError) as excinfo:
+        indicator = stix2.Indicator(revoked='false', **INDICATOR_KWARGS)
+    assert str(excinfo.value) == "Indicator revoked value must be a boolean."
+
+
 def test_cannot_assign_to_indicator_attributes(indicator):
     with pytest.raises(ValueError) as excinfo:
         indicator.valid_from = dt.datetime.now()