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

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

embedchain/tests/llm/test_ollama.py

@@ -0,0 +1,52 @@
+import pytest
+
+from embedchain.config import BaseLlmConfig
+from embedchain.llm.ollama import OllamaLlm
+from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler
+
+
+@pytest.fixture
+def ollama_llm_config():
+    config = BaseLlmConfig(model="llama2", temperature=0.7, top_p=0.8, stream=True, system_prompt=None)
+    yield config
+
+
+def test_get_llm_model_answer(ollama_llm_config, mocker):
+    mocker.patch("embedchain.llm.ollama.Client.list", return_value={"models": [{"name": "llama2"}]})
+    mocker.patch("embedchain.llm.ollama.OllamaLlm._get_answer", return_value="Test answer")
+
+    llm = OllamaLlm(ollama_llm_config)
+    answer = llm.get_llm_model_answer("Test query")
+
+    assert answer == "Test answer"
+
+
+def test_get_answer_mocked_ollama(ollama_llm_config, mocker):
+    mocker.patch("embedchain.llm.ollama.Client.list", return_value={"models": [{"name": "llama2"}]})
+    mocked_ollama = mocker.patch("embedchain.llm.ollama.Ollama")
+    mock_instance = mocked_ollama.return_value
+    mock_instance.invoke.return_value = "Mocked answer"
+
+    llm = OllamaLlm(ollama_llm_config)
+    prompt = "Test query"
+    answer = llm.get_llm_model_answer(prompt)
+
+    assert answer == "Mocked answer"
+
+
+def test_get_llm_model_answer_with_streaming(ollama_llm_config, mocker):
+    ollama_llm_config.stream = True
+    ollama_llm_config.callbacks = [StreamingStdOutCallbackHandler()]
+    mocker.patch("embedchain.llm.ollama.Client.list", return_value={"models": [{"name": "llama2"}]})
+    mocked_ollama_chat = mocker.patch("embedchain.llm.ollama.OllamaLlm._get_answer", return_value="Test answer")
+
+    llm = OllamaLlm(ollama_llm_config)
+    llm.get_llm_model_answer("Test query")
+
+    mocked_ollama_chat.assert_called_once()
+    call_args = mocked_ollama_chat.call_args
+    config_arg = call_args[1]["config"]
+    callbacks = config_arg.callbacks
+
+    assert len(callbacks) == 1
+    assert isinstance(callbacks[0], StreamingStdOutCallbackHandler)