Improve tests (#780)

tests/loaders/test_mdx.py

@@ -0,0 +1,28 @@
+import hashlib
+import pytest
+from unittest.mock import patch, mock_open
+from embedchain.loaders.mdx import MdxLoader
+
+
+@pytest.fixture
+def mdx_loader():
+    return MdxLoader()
+
+
+def test_load_data(mdx_loader):
+    mock_content = "Sample MDX Content"
+
+    # Mock open function to simulate file reading
+    with patch("builtins.open", mock_open(read_data=mock_content)):
+        url = "mock_file.mdx"
+        result = mdx_loader.load_data(url)
+
+        assert "doc_id" in result
+        assert "data" in result
+
+        assert result["data"][0]["content"] == mock_content
+
+        assert result["data"][0]["meta_data"]["url"] == url
+
+        expected_doc_id = hashlib.sha256((mock_content + url).encode()).hexdigest()
+        assert result["doc_id"] == expected_doc_id