Fix #1056 by changing the default type for Option values (#1097)

Author: seratch

slack_sdk/models/blocks/basic_components.py

@@ -193,7 +193,12 @@ def __init__(
                 dialogs.
         """
         if text:
-            self._text: Optional[TextObject] = TextObject.parse(text)
+            # For better compatibility with Block Kit ("mrkdwn" does not work for it),
+            # we've changed the default text object type to plain_text since version 3.10.0
+            self._text: Optional[TextObject] = TextObject.parse(
+                text=text,  # "text" here can be either a str or a TextObject
+                default_type=PlainTextObject.type,
+            )
             self._label: Optional[str] = None
         else:
             self._text: Optional[TextObject] = None

tests/slack_sdk/models/test_options.py

@@ -0,0 +1,44 @@
+import unittest
+
+from slack_sdk.models.blocks import (
+    StaticSelectElement,
+    Option,
+)
+
+
+class TestOptions(unittest.TestCase):
+    def test_with_static_select_element(self):
+        self.maxDiff = None
+
+        elem = StaticSelectElement(
+            action_id="action-id",
+            initial_option=Option(value="option-1", text="Option 1"),
+            options=[
+                Option(value="option-1", text="Option 1"),
+                Option(value="option-2", text="Option 2"),
+                Option(value="option-3", text="Option 3"),
+            ],
+        )
+        expected = {
+            "action_id": "action-id",
+            "initial_option": {
+                "text": {"emoji": True, "text": "Option 1", "type": "plain_text"},
+                "value": "option-1",
+            },
+            "options": [
+                {
+                    "text": {"emoji": True, "text": "Option 1", "type": "plain_text"},
+                    "value": "option-1",
+                },
+                {
+                    "text": {"emoji": True, "text": "Option 2", "type": "plain_text"},
+                    "value": "option-2",
+                },
+                {
+                    "text": {"emoji": True, "text": "Option 3", "type": "plain_text"},
+                    "value": "option-3",
+                },
+            ],
+            "type": "static_select",
+        }
+        self.assertDictEqual(expected, elem.to_dict())