[networking] Ignore invalid proxies in env (#7704)

Authored by: coletdjnz

1 files changed, 5 insertions, 3 deletions

diff --git a/test/test_networking.py b/test/test_networking.py
index dbe28359b..f0938ab91 100644
--- a/test/test_networking.py
+++ b/test/test_networking.py
@@ -930,10 +930,10 @@ class TestRequestHandlerValidation:
         run_validation(handler, False, Request('http://', proxies={'http': None}))
         run_validation(handler, False, Request('http://'), proxies={'http': None})
 
-    @pytest.mark.parametrize('proxy_url', ['//example.com', 'example.com', '127.0.0.1'])
+    @pytest.mark.parametrize('proxy_url', ['//example.com', 'example.com', '127.0.0.1', '/a/b/c'])
     @pytest.mark.parametrize('handler', ['Urllib'], indirect=True)
-    def test_missing_proxy_scheme(self, handler, proxy_url):
-        run_validation(handler, UnsupportedRequest, Request('http://', proxies={'http': 'example.com'}))
+    def test_invalid_proxy_url(self, handler, proxy_url):
+        run_validation(handler, UnsupportedRequest, Request('http://', proxies={'http': proxy_url}))
 
     @pytest.mark.parametrize('handler,extensions,fail', [
         (handler_tests[0], extensions, fail)
@@ -1126,9 +1126,11 @@ class TestYoutubeDLNetworking:
         ('http', '__noproxy__', None),
         ('no', '127.0.0.1,foo.bar', '127.0.0.1,foo.bar'),
         ('https', 'example.com', 'http://example.com'),
+        ('https', '//example.com', 'http://example.com'),
         ('https', 'socks5://example.com', 'socks5h://example.com'),
         ('http', 'socks://example.com', 'socks4://example.com'),
         ('http', 'socks4://example.com', 'socks4://example.com'),
+        ('unrelated', '/bad/proxy', '/bad/proxy'),  # clean_proxies should ignore bad proxies
     ])
     def test_clean_proxy(self, proxy_key, proxy_url, expected):
         # proxies should be cleaned in urlopen()