feat(gopay): support GoPay Plus checkout flow

tests/gopay-approve-source.test.js

@@ -0,0 +1,111 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+
+const source = fs.readFileSync('background/steps/gopay-approve.js', 'utf8');
+
+function extractFunction(name) {
+  const markers = [`async function ${name}(`, `function ${name}(`];
+  const start = markers
+    .map((marker) => source.indexOf(marker))
+    .find((index) => index >= 0);
+  if (start < 0) throw new Error(`missing function ${name}`);
+  let parenDepth = 0;
+  let signatureEnded = false;
+  let braceStart = -1;
+  for (let index = start; index < source.length; index += 1) {
+    const ch = source[index];
+    if (ch === '(') parenDepth += 1;
+    if (ch === ')') {
+      parenDepth -= 1;
+      if (parenDepth === 0) signatureEnded = true;
+    }
+    if (ch === '{' && signatureEnded) {
+      braceStart = index;
+      break;
+    }
+  }
+  let depth = 0;
+  let end = braceStart;
+  for (; end < source.length; end += 1) {
+    const ch = source[end];
+    if (ch === '{') depth += 1;
+    if (ch === '}') {
+      depth -= 1;
+      if (depth === 0) {
+        end += 1;
+        break;
+      }
+    }
+  }
+  return source.slice(start, end);
+}
+
+test('GoPay OTP always requests manual confirmation even when a previous code exists', () => {
+  const body = extractFunction('requestManualGoPayOtp');
+  assert.doesNotMatch(body, /if\s*\(existingCode\)\s*\{\s*return existingCode;\s*\}/);
+  assert.match(body, /requestGoPayOtpInput\(\{ code: existingCode \}\)/);
+  assert.match(body, /检测到上次保存的 GoPay 验证码/);
+});
+
+
+test('GoPay approve handles final payment details iframe as an action frame', () => {
+  assert.match(source, /GOPAY_PAYMENT_FRAME_URL_PATTERN/);
+  assert.match(source, /payment\\\/details/);
+  assert.match(source, /app\\\/challenge/);
+  assert.match(source, /inspectGoPayFramesByDom/);
+  assert.match(source, /getGoPayDomFramePriority/);
+  assert.match(source, /paymentFrames/);
+  assert.match(source, /frameState\?\.hasPayNowButton/);
+  assert.match(source, /getGoPayDomFrameKind/);
+  assert.match(source, /return 'payment'/);
+  assert.match(source, /sendGoPayFrameCommand\(tabId, actionFrameId, 'GOPAY_CLICK_PAY_NOW'/);
+  assert.match(source, /getGoPayDebuggerTargets/);
+  assert.match(source, /chrome\.debugger\.getTargets/);
+  assert.match(source, /targetId: picked\.targetId/);
+  assert.match(source, /sendGoPayDebuggerTargetCommand\(actionTargetId, 'GOPAY_CLICK_PAY_NOW'/);
+  assert.match(source, /sendGoPayDebuggerTargetCommand\(actionTargetId, 'GOPAY_SUBMIT_PIN'/);
+  assert.match(source, /Input\.insertText/);
+  assert.match(source, /最终 Bayar 确认/);
+});
+
+test('GoPay approve treats merchant validate-pin iframe as PIN entry frame', () => {
+  assert.match(source, /GOPAY_PIN_FRAME_URL_PATTERN/);
+  assert.match(source, /payment\\\/validate-pin/);
+  assert.match(source, /kind: 'pin'/);
+  assert.match(source, /GOPAY_SUBMIT_PIN/);
+});
+
+
+test('GoPay approve closes terminal checkout but does not restart on top-level Pay now alone', () => {
+  assert.match(source, /GOPAY_RESTART_FROM_STEP6::/);
+  assert.match(source, /restartGoPayCheckoutFromStep6/);
+  assert.match(source, /chrome\?\.tabs\?\.remove/);
+  assert.match(source, /handleGoPayTerminalError\(pageState, tabId\)/);
+  assert.match(source, /nextState\.hasTerminalError/);
+  assert.doesNotMatch(source, /GoPay 顶层 Pay now 兜底点击后仍未进入下一步，当前支付会话需要重新创建/);
+});
+
+test('GoPay approve falls back to clicking Bayar inside any iframe before top-level Pay now retry', () => {
+  assert.match(source, /clickGoPayPayButtonInAnyFrame/);
+  assert.match(source, /data-testid/);
+  assert.match(source, /pay-button/);
+  assert.match(source, /已在 GoPay iframe 中点击 Bayar 按钮/);
+  assert.match(source, /不再自动回退步骤 6/);
+});
+
+test('GoPay approve does not treat phone linking page as debugger iframe action', () => {
+  assert.match(source, /type === 'tel'/);
+  assert.match(source, /const hasContinueButton = !hasPayNowButton && !hasPhoneInput/);
+  assert.match(source, /filter\(\(target\) => target\.type === 'iframe'\)/);
+});
+
+
+test('background auto-run routes GoPay restart sentinel back to step 6', () => {
+  const backgroundSource = fs.readFileSync('background.js', 'utf8');
+  assert.match(backgroundSource, /isGoPayCheckoutRestartRequiredFailure/);
+  assert.match(backgroundSource, /GOPAY_RESTART_FROM_STEP6::/);
+  assert.match(backgroundSource, /step === 8 && isGoPayCheckoutRestartRequiredFailure\(err\)/);
+  assert.match(backgroundSource, /step = 6/);
+  assert.match(backgroundSource, /invalidateDownstreamAfterStepRestart\(5/);
+});