BITNODE: IPvGO territory control strategy game (#934)

test/jest/Go/boardAnalysis.test.ts

@@ -0,0 +1,47 @@
+import { setPlayer } from "@player";
+import { PlayerObject } from "../../../src/PersonObjects/Player/PlayerObject";
+import {
+  getAllEyes,
+  getAllValidMoves,
+  getBoardFromSimplifiedBoardState,
+} from "../../../src/Go/boardAnalysis/boardAnalysis";
+import { playerColors } from "../../../src/Go/boardState/goConstants";
+import { findAnyMatchedPatterns } from "../../../src/Go/boardAnalysis/patternMatching";
+
+setPlayer(new PlayerObject());
+
+describe("Go board analysis tests", () => {
+  it("identifies chains and liberties", async () => {
+    const board = ["XOO..", ".....", ".....", ".....", "....."];
+    const boardState = getBoardFromSimplifiedBoardState(board);
+
+    expect(boardState.board[0]?.[0]?.liberties?.length).toEqual(1);
+    expect(boardState.board[0]?.[1]?.liberties?.length).toEqual(3);
+  });
+
+  it("identifies all points that are part of 'eyes' on the board", async () => {
+    const board = ["..O..", "OOOOO", "..XXX", "..XX.", "..X.X"];
+    const boardState = getBoardFromSimplifiedBoardState(board);
+
+    const whitePlayerEyes = getAllEyes(boardState, playerColors.white).flat().flat();
+    const blackPlayerEyes = getAllEyes(boardState, playerColors.black).flat().flat();
+
+    expect(whitePlayerEyes?.length).toEqual(4);
+    expect(blackPlayerEyes?.length).toEqual(2);
+  });
+
+  it("identifies strong patterns on the board", async () => {
+    const board = [".....", ".....", ".....", ".....", ".OXO."];
+    const boardState = getBoardFromSimplifiedBoardState(board);
+    const point = await findAnyMatchedPatterns(
+      boardState,
+      playerColors.white,
+      getAllValidMoves(boardState, playerColors.white),
+      true,
+      0,
+    );
+
+    expect(point?.x).toEqual(3);
+    expect(point?.y).toEqual(2);
+  });
+});