Bug 1721076 [wpt PR 29698] - fetch: resp body shouldn't buffer if content-type... (14490935) · Commits · clairehurst / Tor Browser

testing/web-platform/tests/fetch/api/basic/stream-response.any.js

+15 −4

Original line number	Diff line number	Diff line
		// META: global=window,worker
		// META: script=../resources/utils.js

		function streamBody(reader, test, count) {
		function streamBody(reader, test, count = 0) {
		return reader.read().then(function(data) {
		if (!data.done && count < 2) {
		count += 1;
		@@ -18,12 +18,23 @@ function streamBody(reader, test, count) {
		//count is large enough to let the UA deliver the body before it is completely retrieved
		promise_test(function(test) {
		return fetch(RESOURCES_DIR + "trickle.py?ms=30&count=100").then(function(resp) {
		var count = 0;
		if (resp.body)
		return streamBody(resp.body.getReader(), test, count);
		return streamBody(resp.body.getReader(), test);
		else
		test.step(function() {
		assert_unreached( "Body does not exist in response");
		});
		});
		}, "Stream response's body");
		}, "Stream response's body when content-type is present");

		// This test makes sure that the response body is not buffered if no content type is provided.
		promise_test(function(test) {
		return fetch(RESOURCES_DIR + "trickle.py?ms=300&count=10&notype=true").then(function(resp) {
		if (resp.body)
		return streamBody(resp.body.getReader(), test);
		else
		test.step(function() {
		assert_unreached( "Body does not exist in response");
		});
		});
		}, "Stream response's body when content-type is not present");

+2 −1

Original line number	Diff line number	Diff line
		@@ -6,6 +6,7 @@ def main(request, response):
		# Read request body
		request.body
		time.sleep(delay)
		if not b"notype" in request.GET:
		response.headers.set(b"Content-type", b"text/plain")
		response.write_status_headers()
		time.sleep(delay)