from pathlib import Path

# The demo pages are not regression suites, but every one of them must at
# least compile and render: a preprocessor or runtime change that breaks a
# demo page (e.g. literal text that looks like an entry point) should fail CI.

ERROR_MARKERS = [
	"uce compile error",
	"fatal signal during request",
	"uncaught exception during request",
]


def _repo_root():
	return Path(__file__).resolve().parents[2]


def _make_demo_case(page_path):
	def run(context):
		response = context.expect_status(page_path, 200)
		body_lower = response.text.lower()
		for marker in ERROR_MARKERS:
			if marker in body_lower:
				raise Exception("response body contained error marker %r for %s" % (marker, page_path))
		return "HTTP 200 without error markers for %s" % page_path

	return run


def register(registry):
	demo_dir = _repo_root() / "site" / "demo"
	for path in sorted(demo_dir.glob("*.uce")):
		registry.case(
			"demo page " + path.name,
			_make_demo_case("/demo/" + path.name),
			tags=["http", "smoke", "uce", "demo", "public"],
		)