Fix #1517 initial_value for RichTextInputElement should also accept type RichTextBlock (#1572)

Author: seratch

slack_sdk/models/blocks/block_elements.py

@@ -1352,12 +1352,13 @@ def attributes(self) -> Set[str]:
             }
         )
 
-    def __init__(
+    def __init__(  # type: ignore
         self,
         *,
         action_id: Optional[str] = None,
         placeholder: Optional[Union[str, dict, TextObject]] = None,
-        initial_value: Optional[Dict[str, Any]] = None,  # TODO: Add rich_text block class and its element classes
+        # To avoid circular imports, the RichTextBlock type here is intentionally a string
+        initial_value: Optional[Union[Dict[str, Any], "RichTextBlock"]] = None,  # noqa: F821
         dispatch_action_config: Optional[Union[dict, DispatchActionConfig]] = None,
         focus_on_load: Optional[bool] = None,
         **others: dict,

tests/slack_sdk/models/test_elements.py

@@ -27,6 +27,7 @@
     InputInteractiveElement,
     InteractiveElement,
     PlainTextObject,
+    RichTextBlock,
 )
 from slack_sdk.models.blocks.basic_components import SlackFile
 from slack_sdk.models.blocks.block_elements import (
@@ -37,6 +38,8 @@
     WorkflowButtonElement,
     RichTextInputElement,
     FileInputElement,
+    RichTextSectionElement,
+    RichTextElementParts,
 )
 from . import STRING_3001_CHARS, STRING_301_CHARS
 
@@ -1069,6 +1072,43 @@ def test_document(self):
         }
         self.assertDictEqual(input, RichTextInputElement(**input).to_dict())
 
+    def test_issue_1571(self):
+        self.assertDictEqual(
+            RichTextInputElement(
+                action_id="contents",
+                initial_value=RichTextBlock(
+                    elements=[
+                        RichTextSectionElement(
+                            elements=[
+                                RichTextElementParts.Text(text="Hey, "),
+                                RichTextElementParts.Text(text="this", style={"italic": True}),
+                                RichTextElementParts.Text(text="is what you should be looking at. "),
+                                RichTextElementParts.Text(text="Please", style={"bold": True}),
+                            ]
+                        )
+                    ],
+                ),
+            ).to_dict(),
+            {
+                "action_id": "contents",
+                "initial_value": {
+                    "elements": [
+                        {
+                            "elements": [
+                                {"text": "Hey, ", "type": "text"},
+                                {"style": {"italic": True}, "text": "this", "type": "text"},
+                                {"text": "is what you should be looking at. ", "type": "text"},
+                                {"style": {"bold": True}, "text": "Please", "type": "text"},
+                            ],
+                            "type": "rich_text_section",
+                        }
+                    ],
+                    "type": "rich_text",
+                },
+                "type": "rich_text_input",
+            },
+        )
+
 
 class PlainTextInputElementTests(unittest.TestCase):
     def test_document_1(self):