Pull out protocol components into protocol.py

1 files changed, 139 insertions, 0 deletions

diff --git a/test/test_protocol.py b/test/test_protocol.py
new file mode 100644
index 00000000..d0fa2e36
--- /dev/null
+++ b/test/test_protocol.py
@@ -0,0 +1,139 @@
+import cStringIO, textwrap
+from libmproxy import protocol, flow
+import tutils
+
+def test_has_chunked_encoding():
+    h = flow.ODictCaseless()
+    assert not protocol.has_chunked_encoding(h)
+    h["transfer-encoding"] = ["chunked"]
+    assert protocol.has_chunked_encoding(h)
+
+
+def test_read_chunked():
+    s = cStringIO.StringIO("1\r\na\r\n0\r\n")
+    tutils.raises(IOError, protocol.read_chunked, s, None)
+
+    s = cStringIO.StringIO("1\r\na\r\n0\r\n\r\n")
+    assert protocol.read_chunked(s, None) == "a"
+
+    s = cStringIO.StringIO("\r\n")
+    tutils.raises(IOError, protocol.read_chunked, s, None)
+
+    s = cStringIO.StringIO("1\r\nfoo")
+    tutils.raises(IOError, protocol.read_chunked, s, None)
+
+    s = cStringIO.StringIO("foo\r\nfoo")
+    tutils.raises(protocol.ProtocolError, protocol.read_chunked, s, None)
+
+
+def test_request_connection_close():
+    h = flow.ODictCaseless()
+    assert protocol.request_connection_close((1, 0), h)
+    assert not protocol.request_connection_close((1, 1), h)
+
+    h["connection"] = ["keep-alive"]
+    assert not protocol.request_connection_close((1, 1), h)
+
+
+def test_read_http_body():
+    h = flow.ODict()
+    s = cStringIO.StringIO("testing")
+    assert protocol.read_http_body(s, h, False, None) == ""
+
+    h["content-length"] = ["foo"]
+    s = cStringIO.StringIO("testing")
+    tutils.raises(protocol.ProtocolError, protocol.read_http_body, s, h, False, None)
+
+    h["content-length"] = [5]
+    s = cStringIO.StringIO("testing")
+    assert len(protocol.read_http_body(s, h, False, None)) == 5
+    s = cStringIO.StringIO("testing")
+    tutils.raises(protocol.ProtocolError, protocol.read_http_body, s, h, False, 4)
+
+    h = flow.ODict()
+    s = cStringIO.StringIO("testing")
+    assert len(protocol.read_http_body(s, h, True, 4)) == 4
+    s = cStringIO.StringIO("testing")
+    assert len(protocol.read_http_body(s, h, True, 100)) == 7
+
+def test_parse_http_protocol():
+    assert protocol.parse_http_protocol("HTTP/1.1") == (1, 1)
+    assert protocol.parse_http_protocol("HTTP/0.0") == (0, 0)
+    assert not protocol.parse_http_protocol("foo/0.0")
+
+
+def test_parse_init_connect():
+    assert protocol.parse_init_connect("CONNECT host.com:443 HTTP/1.0")
+    assert not protocol.parse_init_connect("bogus")
+    assert not protocol.parse_init_connect("GET host.com:443 HTTP/1.0")
+    assert not protocol.parse_init_connect("CONNECT host.com443 HTTP/1.0")
+    assert not protocol.parse_init_connect("CONNECT host.com:443 foo/1.0")
+
+
+def test_prase_init_proxy():
+    u = "GET http://foo.com:8888/test HTTP/1.1"
+    m, s, h, po, pa, httpversion = protocol.parse_init_proxy(u)
+    assert m == "GET"
+    assert s == "http"
+    assert h == "foo.com"
+    assert po == 8888
+    assert pa == "/test"
+    assert httpversion == (1, 1)
+
+    assert not protocol.parse_init_proxy("invalid")
+    assert not protocol.parse_init_proxy("GET invalid HTTP/1.1")
+    assert not protocol.parse_init_proxy("GET http://foo.com:8888/test foo/1.1")
+
+
+def test_parse_init_http():
+    u = "GET /test HTTP/1.1"
+    m, u, httpversion= protocol.parse_init_http(u)
+    assert m == "GET"
+    assert u == "/test"
+    assert httpversion == (1, 1)
+
+    assert not protocol.parse_init_http("invalid")
+    assert not protocol.parse_init_http("GET invalid HTTP/1.1")
+    assert not protocol.parse_init_http("GET /test foo/1.1")
+
+
+class TestReadHeaders:
+    def test_read_simple(self):
+        data = """
+            Header: one
+            Header2: two
+            \r\n
+        """
+        data = textwrap.dedent(data)
+        data = data.strip()
+        s = cStringIO.StringIO(data)
+        headers = protocol.read_headers(s)
+        assert headers["header"] == ["one"]
+        assert headers["header2"] == ["two"]
+
+    def test_read_multi(self):
+        data = """
+            Header: one
+            Header: two
+            \r\n
+        """
+        data = textwrap.dedent(data)
+        data = data.strip()
+        s = cStringIO.StringIO(data)
+        headers = protocol.read_headers(s)
+        assert headers["header"] == ["one", "two"]
+
+    def test_read_continued(self):
+        data = """
+            Header: one
+            \ttwo
+            Header2: three
+            \r\n
+        """
+        data = textwrap.dedent(data)
+        data = data.strip()
+        s = cStringIO.StringIO(data)
+        headers = protocol.read_headers(s)
+        assert headers["header"] == ['one\r\n two']
+
+