Rename embedchain to mem0 and open sourcing code for long term memory (#1474)

Co-authored-by: Deshraj Yadav <deshrajdry@gmail.com>

embedchain/tests/memory/test_chat_memory.py

@@ -0,0 +1,91 @@
+import pytest
+
+from embedchain.memory.base import ChatHistory
+from embedchain.memory.message import ChatMessage
+
+
+# Fixture for creating an instance of ChatHistory
+@pytest.fixture
+def chat_memory_instance():
+    return ChatHistory()
+
+
+def test_add_chat_memory(chat_memory_instance):
+    app_id = "test_app"
+    session_id = "test_session"
+    human_message = "Hello, how are you?"
+    ai_message = "I'm fine, thank you!"
+
+    chat_message = ChatMessage()
+    chat_message.add_user_message(human_message)
+    chat_message.add_ai_message(ai_message)
+
+    chat_memory_instance.add(app_id, session_id, chat_message)
+
+    assert chat_memory_instance.count(app_id, session_id) == 1
+    chat_memory_instance.delete(app_id, session_id)
+
+
+def test_get(chat_memory_instance):
+    app_id = "test_app"
+    session_id = "test_session"
+
+    for i in range(1, 7):
+        human_message = f"Question {i}"
+        ai_message = f"Answer {i}"
+
+        chat_message = ChatMessage()
+        chat_message.add_user_message(human_message)
+        chat_message.add_ai_message(ai_message)
+
+        chat_memory_instance.add(app_id, session_id, chat_message)
+
+    recent_memories = chat_memory_instance.get(app_id, session_id, num_rounds=5)
+
+    assert len(recent_memories) == 5
+
+    all_memories = chat_memory_instance.get(app_id, fetch_all=True)
+
+    assert len(all_memories) == 6
+
+
+def test_delete_chat_history(chat_memory_instance):
+    app_id = "test_app"
+    session_id = "test_session"
+
+    for i in range(1, 6):
+        human_message = f"Question {i}"
+        ai_message = f"Answer {i}"
+
+        chat_message = ChatMessage()
+        chat_message.add_user_message(human_message)
+        chat_message.add_ai_message(ai_message)
+
+        chat_memory_instance.add(app_id, session_id, chat_message)
+
+    session_id_2 = "test_session_2"
+
+    for i in range(1, 6):
+        human_message = f"Question {i}"
+        ai_message = f"Answer {i}"
+
+        chat_message = ChatMessage()
+        chat_message.add_user_message(human_message)
+        chat_message.add_ai_message(ai_message)
+
+        chat_memory_instance.add(app_id, session_id_2, chat_message)
+
+    chat_memory_instance.delete(app_id, session_id)
+
+    assert chat_memory_instance.count(app_id, session_id) == 0
+    assert chat_memory_instance.count(app_id) == 5
+
+    chat_memory_instance.delete(app_id)
+
+    assert chat_memory_instance.count(app_id) == 0
+
+
+@pytest.fixture
+def close_connection(chat_memory_instance):
+    yield
+    chat_memory_instance.close_connection()