Fixed #20: I can parse simple concepts

tests/services/test_SheerkaDummyEventManager.py

@@ -0,0 +1,66 @@
+import pytest
+
+from base import BaseTest
+from services.SheerkaDummyEventManager import SheerkaDummyEventManager
+
+
+def example_of_function(context):
+    print(f"example_of_class_method. event={context.event.get_digest()}")
+
+
+def example_of_function_with_data(context, data):
+    print(f"example_of_class_method. event={context.event.get_digest()}, {data=}")
+
+
+class TestSheerkaEventManager(BaseTest):
+
+    @pytest.fixture()
+    def service(self, sheerka):
+        service = sheerka.services[SheerkaDummyEventManager.NAME]
+        yield service
+
+        service.test_only_reset_service()
+
+    def example_of_class_method(self, context):
+        print(f"example_of_class_method. event={context.event.get_digest()}")
+
+    @staticmethod
+    def example_of_static_method(context):
+        print(f"example_of_static_method. event={context.event.get_digest()}")
+
+    def example_of_class_method_with_data(self, context, data):
+        print(f"example_of_class_method. event={context.event.get_digest()}, {data=}")
+
+    @staticmethod
+    def example_of_static_method_with_data(context, data):
+        print(f"example_of_static_method. event={context.event.get_digest()}, {data=}")
+
+    def test_i_can_subscribe_and_publish(self, context, service, capsys):
+        topic = "my topic"
+
+        service.subscribe(topic, self.example_of_class_method)
+        service.subscribe(topic, self.example_of_static_method)
+        service.subscribe(topic, example_of_function)
+
+        service.publish(context, topic)
+
+        captured = capsys.readouterr()
+        assert captured.out == """example_of_class_method. event=xxx
+example_of_static_method. event=xxx
+example_of_class_method. event=xxx
+"""
+
+    def test_i_can_subscribe_and_publish_with_data(self, context, service, capsys):
+        topic = "my topic"
+
+        service.subscribe(topic, self.example_of_class_method_with_data)
+        service.subscribe(topic, self.example_of_static_method_with_data)
+        service.subscribe(topic, example_of_function_with_data)
+
+        service.publish(context, topic, "42")
+
+        captured = capsys.readouterr()
+        assert captured.out == """example_of_class_method. event=xxx, data='42'
+example_of_static_method. event=xxx, data='42'
+example_of_class_method. event=xxx, data='42'
+"""