# Parity harness for the uce-starter example app.
#
# WASM-PROPOSAL Phase 3/5 exit criterion: `run_network_tests.py --match starter`
# must pass against the wasm worker backend. These cases are written against
# the native backend first so the bar exists — and is green — before the wasm
# worker does. Keep assertions backend-agnostic (rendered content only), so
# the same cases gate both backends unchanged.

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

BASE = "/examples/uce-starter/index.uce"

# (case name suffix, query-string route, expected <title>)
VIEWS = [
	("landing", "", "Home | UCE Starter"),
	("dashboard", "?dashboard", "Dashboard | UCE Starter"),
	("gauges", "?gauges", "Gauges | UCE Starter"),
	("features", "?features", "Features | UCE Starter"),
	("components", "?page1", "Components | UCE Starter"),
	("workspace", "?workspace", "Workspace | UCE Starter"),
]


def _check_body(body, title):
	body_lower = body.lower()
	for marker in ERROR_MARKERS:
		if marker in body_lower:
			raise Exception("response body contained error marker %r" % marker)
	needle = "<title>%s</title>" % title
	if needle not in body:
		raise Exception("expected %r in response body" % needle)


def _make_view_case(name, query, title):
	def run(context):
		response = context.expect_status(BASE + query, 200)
		_check_body(response.text, title)
		return "rendered %s with expected title and no error markers" % name

	return run


def _unknown_route_case(context):
	# the starter app must render its own 404 view through the app shell,
	# not fall through to a bare server error
	response = context.expect_status(BASE + "?does-not-exist", 404)
	_check_body(response.text, "404 Not Found | UCE Starter")
	return "starter app rendered its own 404 page"


def register(registry):
	for name, query, title in VIEWS:
		registry.case(
			"starter view " + name,
			_make_view_case(name, query, title),
			tags=["http", "uce", "starter", "parity"],
		)
	registry.case(
		"starter unknown route 404",
		_unknown_route_case,
		tags=["http", "uce", "starter", "parity"],
	)