[Feature] Add Slack Loader (#932)

Co-authored-by: Deven Patel <deven298@yahoo.com>

tests/chunkers/test_chunkers.py

@@ -9,6 +9,7 @@ from embedchain.chunkers.pdf_file import PdfFileChunker
 from embedchain.chunkers.postgres import PostgresChunker
 from embedchain.chunkers.qna_pair import QnaPairChunker
 from embedchain.chunkers.sitemap import SitemapChunker
+from embedchain.chunkers.slack import SlackChunker
 from embedchain.chunkers.table import TableChunker
 from embedchain.chunkers.text import TextChunker
 from embedchain.chunkers.web_page import WebPageChunker
@@ -35,6 +36,7 @@ chunker_common_config = {
     OpenAPIChunker: {"chunk_size": 1000, "chunk_overlap": 0, "length_function": len},
     GmailChunker: {"chunk_size": 1000, "chunk_overlap": 0, "length_function": len},
     PostgresChunker: {"chunk_size": 1000, "chunk_overlap": 0, "length_function": len},
+    SlackChunker: {"chunk_size": 1000, "chunk_overlap": 0, "length_function": len},
 }
 
 

tests/loaders/test_slack.py

@@ -0,0 +1,47 @@
+import pytest
+
+from embedchain.loaders.slack import SlackLoader
+
+
+@pytest.fixture
+def slack_loader(mocker, monkeypatch):
+    # Mocking necessary dependencies
+    mocker.patch("slack_sdk.WebClient")
+    mocker.patch("ssl.create_default_context")
+    mocker.patch("certifi.where")
+
+    monkeypatch.setenv("SLACK_USER_TOKEN", "slack_user_token")
+
+    return SlackLoader()
+
+
+def test_slack_loader_initialization(slack_loader):
+    assert slack_loader.client is not None
+    assert slack_loader.config == {"base_url": "https://www.slack.com/api/"}
+
+
+def test_slack_loader_setup_loader(slack_loader):
+    slack_loader._setup_loader({"base_url": "https://custom.slack.api/"})
+
+    assert slack_loader.client is not None
+
+
+def test_slack_loader_check_query(slack_loader):
+    valid_json_query = "test_query"
+    invalid_query = 123
+
+    slack_loader._check_query(valid_json_query)
+
+    with pytest.raises(ValueError):
+        slack_loader._check_query(invalid_query)
+
+
+def test_slack_loader_load_data(slack_loader, mocker):
+    valid_json_query = "in:random"
+
+    mocker.patch.object(slack_loader.client, "search_messages", return_value={"messages": {}})
+
+    result = slack_loader.load_data(valid_json_query)
+
+    assert "doc_id" in result
+    assert "data" in result