Add tests for gpt4all llm (#852)

embedchain/factory.py

@@ -50,6 +50,7 @@ class EmbedderFactory:
     provider_to_config_class = {
         "azure_openai": "embedchain.config.embedder.base.BaseEmbedderConfig",
         "openai": "embedchain.config.embedder.base.BaseEmbedderConfig",
+        "gpt4all": "embedchain.config.embedder.base.BaseEmbedderConfig",
     }
 
     @classmethod

embedchain/llm/gpt4all.py

@@ -15,7 +15,7 @@ class GPT4ALLLlm(BaseLlm):
         if self.config.model is None:
             self.config.model = "orca-mini-3b.ggmlv3.q4_0.bin"
         self.instance = GPT4ALLLlm._get_instance(self.config.model)
-        self.instance.streaming = config.stream
+        self.instance.streaming = self.config.stream
 
     def get_llm_model_answer(self, prompt):
         return self._get_answer(prompt=prompt, config=self.config)

tests/llm/test_gpt4all.py

@@ -0,0 +1,60 @@
+import pytest
+from langchain.llms.gpt4all import GPT4All as LangchainGPT4All
+
+from embedchain.config import BaseLlmConfig
+from embedchain.llm.gpt4all import GPT4ALLLlm
+
+
+@pytest.fixture
+def config():
+    config = BaseLlmConfig(
+        temperature=0.7,
+        max_tokens=50,
+        top_p=0.8,
+        stream=False,
+        system_prompt="System prompt",
+        model="orca-mini-3b.ggmlv3.q4_0.bin",
+    )
+    yield config
+
+
+@pytest.fixture
+def gpt4all_with_config(config):
+    return GPT4ALLLlm(config=config)
+
+
+@pytest.fixture
+def gpt4all_without_config():
+    return GPT4ALLLlm()
+
+
+def test_gpt4all_init_with_config(config, gpt4all_with_config):
+    assert gpt4all_with_config.config.temperature == config.temperature
+    assert gpt4all_with_config.config.max_tokens == config.max_tokens
+    assert gpt4all_with_config.config.top_p == config.top_p
+    assert gpt4all_with_config.config.stream == config.stream
+    assert gpt4all_with_config.config.system_prompt == config.system_prompt
+    assert gpt4all_with_config.config.model == config.model
+
+    assert isinstance(gpt4all_with_config.instance, LangchainGPT4All)
+
+
+def test_gpt4all_init_without_config(gpt4all_without_config):
+    assert gpt4all_without_config.config.model == "orca-mini-3b.ggmlv3.q4_0.bin"
+    assert isinstance(gpt4all_without_config.instance, LangchainGPT4All)
+
+
+def test_get_llm_model_answer(mocker, gpt4all_with_config):
+    test_query = "Test query"
+    test_answer = "Test answer"
+
+    mocked_get_answer = mocker.patch("embedchain.llm.gpt4all.GPT4ALLLlm._get_answer", return_value=test_answer)
+    answer = gpt4all_with_config.get_llm_model_answer(test_query)
+
+    assert answer == test_answer
+    mocked_get_answer.assert_called_once_with(prompt=test_query, config=gpt4all_with_config.config)
+
+
+def test_gpt4all_model_switching(gpt4all_with_config):
+    with pytest.raises(RuntimeError, match="GPT4ALLLlm does not support switching models at runtime."):
+        gpt4all_with_config._get_answer("Test prompt", BaseLlmConfig(model="new_model"))