tiny-test-fw: move to tools/esp_python_packages:

make `tiny_test_fw` as a package and move to root path of idf python
packages

tools/ci/python_packages/tiny_test_fw/Utility/TestCase.py

@@ -0,0 +1,58 @@
+# Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http:#www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import yaml
+
+try:
+    from yaml import CLoader as Loader
+except ImportError:
+    from yaml import Loader as Loader
+
+
+class TestCase(object):
+    """
+    Test Case Object, mainly used with runner.
+    runner can parse all test cases from a given path, set data and config for test case in prepare stage.
+    TestCase instance will record these data, provide run method to let runner execute test case.
+
+    :param test_method: test function
+    :param extra_data: data passed to test function
+    :param overwrite_args: kwargs that overwrite original test case configs
+    """
+    DEFAULT_CASE_DOC = dict()
+
+    def __init__(self, test_method, extra_data, **overwrite_args):
+        self.test_method = test_method
+        self.extra_data = extra_data
+        self.overwrite_args = overwrite_args
+
+    def run(self):
+        """ execute the test case """
+        return self.test_method(self.extra_data, **self.overwrite_args)
+
+    def document(self):
+        """
+        generate test case document.
+        parse the case doc with yaml parser and update to original case attributes.
+
+        :return: case document, dict of case attributes and values
+        """
+        doc_string = self.test_method.__doc__
+        try:
+            doc = yaml.load(doc_string, Loader=Loader)
+        except (AttributeError, OSError, UnicodeDecodeError):
+            doc = self.DEFAULT_CASE_DOC
+        doc.update(self.test_method.env_args)
+        doc.update(self.test_method.accepted_filter)
+        return doc