1 files changed, 39 insertions, 0 deletions
diff --git a/test/mitmproxy/addons/test_disable_h2c.py b/test/mitmproxy/addons/test_disable_h2c.py
new file mode 100644
index 00000000..d4df8390
--- /dev/null
+++ b/test/mitmproxy/addons/test_disable_h2c.py
@@ -0,0 +1,39 @@
+import io
+from mitmproxy import http
+from mitmproxy.addons import disable_h2c
+from mitmproxy.net.http import http1
+from mitmproxy.exceptions import Kill
+from mitmproxy.test import tflow
+from mitmproxy.test import taddons
+
+
+class TestDisableH2CleartextUpgrade:
+    def test_upgrade(self):
+        with taddons.context() as tctx:
+            a = disable_h2c.DisableH2C()
+            tctx.configure(a)
+
+            f = tflow.tflow()
+            f.request.headers['upgrade'] = 'h2c'
+            f.request.headers['connection'] = 'foo'
+            f.request.headers['http2-settings'] = 'bar'
+
+            a.request(f)
+            assert 'upgrade' not in f.request.headers
+            assert 'connection' not in f.request.headers
+            assert 'http2-settings' not in f.request.headers
+
+    def test_prior_knowledge(self):
+        with taddons.context() as tctx:
+            a = disable_h2c.DisableH2C()
+            tctx.configure(a)
+
+            b = io.BytesIO(b"PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n")
+            f = tflow.tflow()
+            f.request = http.HTTPRequest.wrap(http1.read_request(b))
+            f.reply.handle()
+            f.intercept()
+
+            a.request(f)
+            assert not f.killable
+            assert f.reply.value == Kill