Fix tiptap selection sync and toolbar event loop

rust/crates/mnote-editor-core/tests/markdown.rs

@@ -0,0 +1,95 @@
+use mnote_editor_core::{
+    export_markdown, import_markdown, import_plain_text, BlockType, ReferenceKind,
+};
+
+#[test]
+fn markdown_import_export_round_trip_preserves_block_kinds() {
+    let source = r#"# 根标题
+- 列表项
+- [x] 已完成
+> 引用
+---
+```rust
+fn main() {}
+```
+[[page_1|页面一]]
+((block_1|块一))
+普通段落
+"#;
+
+    let document = import_markdown(source).expect("markdown import should succeed");
+    assert_eq!(
+        document
+            .blocks()
+            .iter()
+            .map(|block| block.block_type.clone())
+            .collect::<Vec<_>>(),
+        vec![
+            BlockType::Heading,
+            BlockType::BulletListItem,
+            BlockType::Todo,
+            BlockType::Quote,
+            BlockType::Divider,
+            BlockType::CodeBlock,
+            BlockType::PageReference,
+            BlockType::BlockReference,
+            BlockType::Paragraph,
+        ]
+    );
+
+    let exported = export_markdown(&document);
+    let reparsed = import_markdown(&exported).expect("markdown re-import should succeed");
+    assert_eq!(
+        reparsed
+            .blocks()
+            .iter()
+            .map(|block| block.block_type.clone())
+            .collect::<Vec<_>>(),
+        document
+            .blocks()
+            .iter()
+            .map(|block| block.block_type.clone())
+            .collect::<Vec<_>>()
+    );
+}
+
+#[test]
+fn markdown_export_renders_reference_tokens_and_code_fence() {
+    let source = r#"[[page_42|设计文档]]
+((block_99|引用块))
+```ts
+console.log("ok");
+```
+"#;
+    let document = import_markdown(source).expect("markdown import should succeed");
+
+    let page_ref = document.blocks()[0]
+        .content
+        .reference
+        .as_ref()
+        .expect("page reference");
+    assert_eq!(page_ref.kind, ReferenceKind::Page);
+    let block_ref = document.blocks()[1]
+        .content
+        .reference
+        .as_ref()
+        .expect("block reference");
+    assert_eq!(block_ref.kind, ReferenceKind::Block);
+
+    let exported = export_markdown(&document);
+    assert!(exported.contains("[[page_42|设计文档]]"));
+    assert!(exported.contains("((block_99|引用块))"));
+    assert!(exported.contains("```ts"));
+    assert!(exported.contains("console.log(\"ok\");"));
+}
+
+#[test]
+fn plain_text_import_splits_paragraphs_and_normalizes_line_breaks() {
+    let document =
+        import_plain_text("第一段\n继续\n\n第二段").expect("plain text import should succeed");
+    assert_eq!(document.blocks().len(), 2);
+    assert_eq!(document.blocks()[0].content.text, "第一段 继续");
+    assert_eq!(document.blocks()[1].content.text, "第二段");
+    assert_eq!(document.blocks()[0].id, "imported_1");
+    assert_eq!(document.blocks()[1].id, "imported_2");
+}