Add test that ensures that getBlocksFromSyntaxTree() and getBlocksFromString() functions produces the same results

src/editor/block/block.js

@@ -25,7 +25,7 @@ let firstBlockDelimiterSize
  * Return a list of blocks in the document from the syntax tree.
  * syntaxTreeAvailable() should have been called before this function to ensure the syntax tree is available.
  */
-function getBlocksFromSyntaxTree(state) {
+export function getBlocksFromSyntaxTree(state) {
     //const timer = startTimer()
     const blocks = [];  
     const tree = syntaxTree(state, state.doc.length)
@@ -72,7 +72,7 @@ function getBlocksFromSyntaxTree(state) {
 /**
  * Parse blocks from document's string contents using String.indexOf()
  */
-function getBlocksFromString(state) {
+export function getBlocksFromString(state) {
         //const timer = startTimer()
         const blocks = []
         const doc = state.doc
@@ -138,7 +138,7 @@ function getBlocksFromString(state) {
  * the blocks are parsed from the string contents of the document, which is much faster
  * than waiting for the tree parsing to finish.
  */
-function getBlocks(state) {
+export function getBlocks(state) {
     if (syntaxTreeAvailable(state, state.doc.length)) {
         return getBlocksFromSyntaxTree(state)
     } else {

tests/block-parsing.spec.js

@@ -0,0 +1,28 @@
+import { expect, test } from "@playwright/test"
+import { EditorState } from "@codemirror/state"
+
+import { heynoteLang } from "../src/editor/lang-heynote/heynote.js"
+import { getBlocksFromSyntaxTree, getBlocksFromString } from "../src/editor/block/block.js"
+
+test("parse blocks from both syntax tree and string contents", async ({page}) => {
+    const contents = `
+∞∞∞text
+Text Block A
+∞∞∞text-a
+Text Block B
+∞∞∞json-a
+{
+"key": "value"
+}
+∞∞∞python
+print("Hello, World!")
+`
+    const state = EditorState.create({
+        doc: contents,
+        extensions: heynoteLang(),
+    })
+    const treeBlocks = getBlocksFromSyntaxTree(state)
+    const stringBlocks = getBlocksFromString(state)
+
+    expect(treeBlocks).toEqual(stringBlocks)
+})