fix setPosition on BoardApi

src/classes/BoardApi.ts

@@ -356,11 +356,11 @@ export class BoardApi {
   }
 
   /**
-   * Returns the piece on the square or null if there is no piece
+   * loads a fen into the board
    */
   setPosition(fen: string) {
     this.game.load(fen);
-    // update board state
+    this.updateGameState();
   }
 
   /**
@@ -392,6 +392,13 @@ export class BoardApi {
    */
   loadPgn(pgn: string): void {
     this.game.loadPgn(pgn);
+    this.updateGameState();
+  }
+
+  /**
+   * apply the fen game on the board
+   */
+  updateGameState(): void {
     this.board.set({ fen: this.game.fen() });
     this.board.state.turnColor = shortToLongColor(this.game.turn());
 

src/tests/BoardAPI.test.ts

@@ -70,6 +70,23 @@ describe.concurrent('Test the board API', () => {
     boardApi.resetBoard();
     expect(boardApi?.getCurrentTurnNumber()).toBe(0);
   });
+
+  it('should update board with pgnt', () => {
+    const pgn = '1. e4 e5';
+
+    boardApi.loadPgn(pgn);
+
+    expect(boardApi?.getPgn()).toBe(pgn);
+    expect(boardApi?.board.getFen()).toBe(boardApi?.getFen().split(' ')[0]);
+  });
+
+  it('should udpate board with fen', () => {
+    const fen = '8/8/4k3/8/4K3/8/8/8 w - - 0 1';
+
+    boardApi.setPosition(fen);
+
+    expect(boardApi?.board.getFen()).toBe(fen.split(' ')[0]);
+  });
 });
 
 export {};