add feature flowy_unit_test

frontend/rust-lib/flowy-test/src/editor.rs

@@ -2,6 +2,7 @@ use crate::{helper::ViewTest, FlowySDKTest};
 use flowy_document::services::doc::edit::ClientDocEditor;
 use flowy_document_infra::entities::doc::DocIdentifier;
 use std::sync::Arc;
+use tokio::time::Interval;
 
 pub struct EditorTest {
     pub sdk: FlowySDKTest,
@@ -20,3 +21,12 @@ impl EditorTest {
         self.sdk.flowy_document.open(doc_identifier).await.unwrap()
     }
 }
+
+pub enum EditAction {
+    InsertText(&'static str, usize),
+    Delete(Interval),
+    Replace(Interval, &'static str),
+    Undo(),
+    Redo(),
+    AssertJson(&'static str),
+}