Added test for definition container

CURA-5977

tests/Settings/TestDefinitionContainer.py

@@ -0,0 +1,47 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+import pytest #This module contains automated tests.
+
+import UM.Settings.ContainerRegistry #To create empty instance containers.
+import UM.Settings.ContainerStack #To set the container registry the container stacks use.
+from UM.Settings.DefinitionContainer import DefinitionContainer #To check against the class of DefinitionContainer.
+
+
+
+import os
+import os.path
+import uuid
+
+from UM.Resources import Resources
+Resources.addSearchPath(os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "..", "resources")))
+
+
+#############################START OF TEST CASES################################
+
+@pytest.fixture
+def definition_container():
+    uid = str(uuid.uuid4())
+    result = UM.Settings.DefinitionContainer.DefinitionContainer(uid)
+    assert result.getId() == uid
+    return result
+
+##  Tests all definition containers
+def test_validateDefintionContainer(definition_container):
+
+    definition_path = os.path.join(os.path.dirname(__file__), "..", "..", "resources", "definitions")
+    all_definition_files = os.listdir(definition_path)
+
+    for file_name in all_definition_files:
+
+        if file_name == "fdmprinter.def.json" or file_name == "fdmextruder.def.json":
+            continue
+
+        with open(os.path.join(definition_path, file_name), encoding = "utf-8") as data:
+
+            json = data.read()
+            parser, is_valid = definition_container.readAndValidateSerialized(json)
+            if(not is_valid):
+                print("The File Name: '{0}', has invalid data ".format(file_name))
+            # To see the detailed data from log, comment the assert check and execute the test again. It will print invalid data
+            assert is_valid == True