Clarifai : Added Clarifai as LLM and embedding model provider. (#1311)

Co-authored-by: Deshraj Yadav <deshraj@gatech.edu>

tests/llm/test_clarifai.py

@@ -0,0 +1,23 @@
+
+import pytest
+
+from embedchain.config import BaseLlmConfig
+from embedchain.llm.clarifai import ClarifaiLlm
+
+
+@pytest.fixture
+def clarifai_llm_config(monkeypatch):
+    monkeypatch.setenv("CLARIFAI_PAT","test_api_key")
+    config = BaseLlmConfig(
+        model="https://clarifai.com/openai/chat-completion/models/GPT-4",
+        model_kwargs={"temperature": 0.7, "max_tokens": 100},
+    )
+    yield config
+    monkeypatch.delenv("CLARIFAI_PAT")
+
+def test_clarifai__llm_get_llm_model_answer(clarifai_llm_config, mocker):
+    mocker.patch("embedchain.llm.clarifai.ClarifaiLlm._get_answer", return_value="Test answer")
+    llm = ClarifaiLlm(clarifai_llm_config)
+    answer = llm.get_llm_model_answer("Test query")
+
+    assert answer == "Test answer"