"""Exercise the actual workflow's narrow corruption guard, without starting CI."""
import os
from pathlib import Path
import shutil
import subprocess
import tempfile
import unittest

WORKFLOW = Path(__file__).resolve().parents[1] / '.gitea/workflows/ci-deploy.yml'
BASH = str(Path('C:/Program Files/Git/bin/bash.exe')) if os.name == 'nt' else shutil.which('bash')


class BrowserRuntimeRetryTests(unittest.TestCase):
    def permits_retry(self, log):
        text = WORKFLOW.read_text(encoding='utf-8')
        end = text.index('            echo "Browser runtime source appears corrupted')
        start = text.rfind('\n          if ', 0, end) + 1
        guard = text[start:end]
        self.assertTrue(guard.strip().startswith('if '))
        with tempfile.TemporaryDirectory() as folder:
            fixture = Path(folder) / 'smoke.log'
            fixture.write_text(log, encoding='utf-8')
            result = subprocess.run([BASH, '-c', guard + '\nexit 0\nelse\nexit 1\nfi'],
                                    env={**os.environ, 'smoke_log': fixture.as_posix()}, capture_output=True, text=True)
        self.assertIn(result.returncode, [0, 1], result.stderr)
        return result.returncode == 0

    def test_captured_playwright_source_corruption(self):
        self.assertTrue(self.permits_retry('/workspace/node_modules/playwright-core/lib/utilsBundle.js:35841\n'
                                          'const { items }$= this;\nSyntaxError: Missing initializer in destructuring declaration'))

    def test_existing_axe_source_corruption(self):
        self.assertTrue(self.permits_retry('AxeBuilder.analyze\npage.evaluate: ReferenceError: invalid runtime source'))

    def test_application_assertion_stays_terminal(self):
        self.assertFalse(self.permits_retry('expect(region).not.toBeVisible() failed'))

    def test_browser_crash_alone_stays_terminal(self):
        self.assertFalse(self.permits_retry('Error: page.evaluate: Target crashed'))

    def test_user_javascript_syntax_error_stays_terminal(self):
        self.assertFalse(self.permits_retry('src/example.js:1\nconst { items }$= this;\nSyntaxError: Missing initializer in destructuring declaration'))

    def test_incomplete_signature_stays_terminal(self):
        self.assertFalse(self.permits_retry('node_modules/playwright-core/lib/utilsBundle.js:35841\nSyntaxError: Missing initializer in destructuring declaration'))


if __name__ == '__main__':
    unittest.main()