1 files changed, 231 insertions, 0 deletions
diff --git a/src/shrpx_downstream_test.cc b/src/shrpx_downstream_test.cc
new file mode 100644
index 0000000..6100b18
--- /dev/null
+++ b/src/shrpx_downstream_test.cc
@@ -0,0 +1,231 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2013 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "shrpx_downstream_test.h"
+
+#include <iostream>
+
+#include <CUnit/CUnit.h>
+
+#include "shrpx_downstream.h"
+
+namespace shrpx {
+
+void test_downstream_field_store_append_last_header(void) {
+  BlockAllocator balloc(16, 16);
+  FieldStore fs(balloc, 0);
+  fs.alloc_add_header_name(StringRef::from_lit("alpha"));
+  auto bravo = StringRef::from_lit("BRAVO");
+  fs.append_last_header_key(bravo.c_str(), bravo.size());
+  // Add more characters so that relloc occurs
+  auto golf = StringRef::from_lit("golF0123456789");
+  fs.append_last_header_key(golf.c_str(), golf.size());
+
+  auto charlie = StringRef::from_lit("Charlie");
+  fs.append_last_header_value(charlie.c_str(), charlie.size());
+  auto delta = StringRef::from_lit("deltA");
+  fs.append_last_header_value(delta.c_str(), delta.size());
+  // Add more characters so that relloc occurs
+  auto echo = StringRef::from_lit("echo0123456789");
+  fs.append_last_header_value(echo.c_str(), echo.size());
+
+  fs.add_header_token(StringRef::from_lit("echo"),
+                      StringRef::from_lit("foxtrot"), false, -1);
+
+  auto ans =
+      HeaderRefs{{StringRef::from_lit("alphabravogolf0123456789"),
+                  StringRef::from_lit("CharliedeltAecho0123456789")},
+                 {StringRef::from_lit("echo"), StringRef::from_lit("foxtrot")}};
+  CU_ASSERT(ans == fs.headers());
+}
+
+void test_downstream_field_store_header(void) {
+  BlockAllocator balloc(16, 16);
+  FieldStore fs(balloc, 0);
+  fs.add_header_token(StringRef::from_lit("alpha"), StringRef::from_lit("0"),
+                      false, -1);
+  fs.add_header_token(StringRef::from_lit(":authority"),
+                      StringRef::from_lit("1"), false, http2::HD__AUTHORITY);
+  fs.add_header_token(StringRef::from_lit("content-length"),
+                      StringRef::from_lit("2"), false,
+                      http2::HD_CONTENT_LENGTH);
+
+  // By token
+  CU_ASSERT(HeaderRef(StringRef{":authority"}, StringRef{"1"}) ==
+            *fs.header(http2::HD__AUTHORITY));
+  CU_ASSERT(nullptr == fs.header(http2::HD__METHOD));
+
+  // By name
+  CU_ASSERT(HeaderRef(StringRef{"alpha"}, StringRef{"0"}) ==
+            *fs.header(StringRef::from_lit("alpha")));
+  CU_ASSERT(nullptr == fs.header(StringRef::from_lit("bravo")));
+}
+
+void test_downstream_crumble_request_cookie(void) {
+  Downstream d(nullptr, nullptr, 0);
+  auto &req = d.request();
+  req.fs.add_header_token(StringRef::from_lit(":method"),
+                          StringRef::from_lit("get"), false, -1);
+  req.fs.add_header_token(StringRef::from_lit(":path"),
+                          StringRef::from_lit("/"), false, -1);
+  req.fs.add_header_token(StringRef::from_lit("cookie"),
+                          StringRef::from_lit("alpha; bravo; ; ;; charlie;;"),
+                          true, http2::HD_COOKIE);
+  req.fs.add_header_token(StringRef::from_lit("cookie"),
+                          StringRef::from_lit(";delta"), false,
+                          http2::HD_COOKIE);
+  req.fs.add_header_token(StringRef::from_lit("cookie"),
+                          StringRef::from_lit("echo"), false, http2::HD_COOKIE);
+
+  std::vector<nghttp2_nv> nva;
+  d.crumble_request_cookie(nva);
+
+  auto num_cookies = d.count_crumble_request_cookie();
+
+  CU_ASSERT(5 == nva.size());
+  CU_ASSERT(5 == num_cookies);
+
+  HeaderRefs cookies;
+  std::transform(std::begin(nva), std::end(nva), std::back_inserter(cookies),
+                 [](const nghttp2_nv &nv) {
+                   return HeaderRef(StringRef{nv.name, nv.namelen},
+                                    StringRef{nv.value, nv.valuelen},
+                                    nv.flags & NGHTTP2_NV_FLAG_NO_INDEX);
+                 });
+
+  HeaderRefs ans = {
+      {StringRef::from_lit("cookie"), StringRef::from_lit("alpha")},
+      {StringRef::from_lit("cookie"), StringRef::from_lit("bravo")},
+      {StringRef::from_lit("cookie"), StringRef::from_lit("charlie")},
+      {StringRef::from_lit("cookie"), StringRef::from_lit("delta")},
+      {StringRef::from_lit("cookie"), StringRef::from_lit("echo")}};
+
+  CU_ASSERT(ans == cookies);
+  CU_ASSERT(cookies[0].no_index);
+  CU_ASSERT(cookies[1].no_index);
+  CU_ASSERT(cookies[2].no_index);
+}
+
+void test_downstream_assemble_request_cookie(void) {
+  Downstream d(nullptr, nullptr, 0);
+  auto &req = d.request();
+
+  req.fs.add_header_token(StringRef::from_lit(":method"),
+                          StringRef::from_lit("get"), false, -1);
+  req.fs.add_header_token(StringRef::from_lit(":path"),
+                          StringRef::from_lit("/"), false, -1);
+  req.fs.add_header_token(StringRef::from_lit("cookie"),
+                          StringRef::from_lit("alpha"), false,
+                          http2::HD_COOKIE);
+  req.fs.add_header_token(StringRef::from_lit("cookie"),
+                          StringRef::from_lit("bravo;"), false,
+                          http2::HD_COOKIE);
+  req.fs.add_header_token(StringRef::from_lit("cookie"),
+                          StringRef::from_lit("charlie; "), false,
+                          http2::HD_COOKIE);
+  req.fs.add_header_token(StringRef::from_lit("cookie"),
+                          StringRef::from_lit("delta;;"), false,
+                          http2::HD_COOKIE);
+  CU_ASSERT("alpha; bravo; charlie; delta" == d.assemble_request_cookie());
+}
+
+void test_downstream_rewrite_location_response_header(void) {
+  Downstream d(nullptr, nullptr, 0);
+  auto &req = d.request();
+  auto &resp = d.response();
+  d.set_request_downstream_host(StringRef::from_lit("localhost2"));
+  req.authority = StringRef::from_lit("localhost:8443");
+  resp.fs.add_header_token(StringRef::from_lit("location"),
+                           StringRef::from_lit("http://localhost2:3000/"),
+                           false, http2::HD_LOCATION);
+  d.rewrite_location_response_header(StringRef::from_lit("https"));
+  auto location = resp.fs.header(http2::HD_LOCATION);
+  CU_ASSERT("https://localhost:8443/" == (*location).value);
+}
+
+void test_downstream_supports_non_final_response(void) {
+  Downstream d(nullptr, nullptr, 0);
+  auto &req = d.request();
+
+  req.http_major = 3;
+  req.http_minor = 0;
+
+  CU_ASSERT(d.supports_non_final_response());
+
+  req.http_major = 2;
+  req.http_minor = 0;
+
+  CU_ASSERT(d.supports_non_final_response());
+
+  req.http_major = 1;
+  req.http_minor = 1;
+
+  CU_ASSERT(d.supports_non_final_response());
+
+  req.http_major = 1;
+  req.http_minor = 0;
+
+  CU_ASSERT(!d.supports_non_final_response());
+
+  req.http_major = 0;
+  req.http_minor = 9;
+
+  CU_ASSERT(!d.supports_non_final_response());
+}
+
+void test_downstream_find_affinity_cookie(void) {
+  Downstream d(nullptr, nullptr, 0);
+
+  auto &req = d.request();
+  req.fs.add_header_token(StringRef::from_lit("cookie"), StringRef{}, false,
+                          http2::HD_COOKIE);
+  req.fs.add_header_token(StringRef::from_lit("cookie"),
+                          StringRef::from_lit("a=b;;c=d"), false,
+                          http2::HD_COOKIE);
+  req.fs.add_header_token(StringRef::from_lit("content-length"),
+                          StringRef::from_lit("599"), false,
+                          http2::HD_CONTENT_LENGTH);
+  req.fs.add_header_token(StringRef::from_lit("cookie"),
+                          StringRef::from_lit("lb=deadbeef;LB=f1f2f3f4"), false,
+                          http2::HD_COOKIE);
+  req.fs.add_header_token(StringRef::from_lit("cookie"),
+                          StringRef::from_lit("short=e1e2e3e"), false,
+                          http2::HD_COOKIE);
+
+  uint32_t aff;
+
+  aff = d.find_affinity_cookie(StringRef::from_lit("lb"));
+
+  CU_ASSERT(0xdeadbeef == aff);
+
+  aff = d.find_affinity_cookie(StringRef::from_lit("LB"));
+
+  CU_ASSERT(0xf1f2f3f4 == aff);
+
+  aff = d.find_affinity_cookie(StringRef::from_lit("short"));
+
+  CU_ASSERT(0 == aff);
+}
+
+} // namespace shrpx