Add tests for compat_libevent

1 files changed, 214 insertions, 0 deletions

diff --git a/src/test/test_compat_libevent.c b/src/test/test_compat_libevent.c
new file mode 100644
index 0000000000..7e5b7df299
--- /dev/null
+++ b/src/test/test_compat_libevent.c
@@ -0,0 +1,214 @@
+/* Copyright (c) 2010-2015, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#define COMPAT_LIBEVENT_PRIVATE
+#include "orconfig.h"
+#include "or.h"
+
+#include "test.h"
+
+#include "compat_libevent.h"
+
+#ifdef HAVE_EVENT2_EVENT_H
+#include <event2/event.h>
+#include <event2/thread.h>
+#ifdef USE_BUFFEREVENTS
+#include <event2/bufferevent.h>
+#endif
+#else
+#include <event.h>
+#endif
+
+#include "log_test_helpers.h"
+
+#define NS_MODULE compat_libevent
+
+static void
+test_compat_libevent_logging_callback(void *ignored)
+{
+  (void)ignored;
+  int previous_log = setup_capture_of_logs(LOG_DEBUG);
+
+  libevent_logging_callback(_EVENT_LOG_DEBUG, "hello world");
+  tt_int_op(mock_saved_log_number(), OP_EQ, 1);
+  tt_str_op(mock_saved_log_at(0), OP_EQ, "Message from libevent: hello world\n");
+  tt_int_op(mock_saved_severity_at(0), OP_EQ, LOG_DEBUG);
+
+  mock_clean_saved_logs();
+  libevent_logging_callback(_EVENT_LOG_MSG, "hello world another time");
+  tt_int_op(mock_saved_log_number(), OP_EQ, 1);
+  tt_str_op(mock_saved_log_at(0), OP_EQ, "Message from libevent: hello world another time\n");
+  tt_int_op(mock_saved_severity_at(0), OP_EQ, LOG_INFO);
+
+  mock_clean_saved_logs();
+  libevent_logging_callback(_EVENT_LOG_WARN, "hello world a third time");
+  tt_int_op(mock_saved_log_number(), OP_EQ, 1);
+  tt_str_op(mock_saved_log_at(0), OP_EQ, "Warning from libevent: hello world a third time\n");
+  tt_int_op(mock_saved_severity_at(0), OP_EQ, LOG_WARN);
+
+  mock_clean_saved_logs();
+  libevent_logging_callback(_EVENT_LOG_ERR, "hello world a fourth time");
+  tt_int_op(mock_saved_log_number(), OP_EQ, 1);
+  tt_str_op(mock_saved_log_at(0), OP_EQ, "Error from libevent: hello world a fourth time\n");
+  tt_int_op(mock_saved_severity_at(0), OP_EQ, LOG_ERR);
+
+  mock_clean_saved_logs();
+  libevent_logging_callback(42, "hello world a fifth time");
+  tt_int_op(mock_saved_log_number(), OP_EQ, 1);
+  tt_str_op(mock_saved_log_at(0), OP_EQ, "Message [42] from libevent: hello world a fifth time\n");
+  tt_int_op(mock_saved_severity_at(0), OP_EQ, LOG_WARN);
+
+  mock_clean_saved_logs();
+  libevent_logging_callback(_EVENT_LOG_DEBUG, "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+                            "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+                            "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+                            "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+                            "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+                            "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+                            "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+                            "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+                            "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+                            "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+                            "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789");
+  tt_int_op(mock_saved_log_number(), OP_EQ, 1);
+  tt_str_op(mock_saved_log_at(0), OP_EQ, "Message from libevent: 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012\n");
+  tt_int_op(mock_saved_severity_at(0), OP_EQ, LOG_DEBUG);
+
+  mock_clean_saved_logs();
+  libevent_logging_callback(42, "xxx\n");
+  tt_int_op(mock_saved_log_number(), OP_EQ, 1);
+  tt_str_op(mock_saved_log_at(0), OP_EQ, "Message [42] from libevent: xxx\n");
+  tt_int_op(mock_saved_severity_at(0), OP_EQ, LOG_WARN);
+
+  suppress_libevent_log_msg("something");
+  mock_clean_saved_logs();
+  libevent_logging_callback(_EVENT_LOG_MSG, "hello there");
+  tt_int_op(mock_saved_log_number(), OP_EQ, 1);
+  tt_str_op(mock_saved_log_at(0), OP_EQ, "Message from libevent: hello there\n");
+  tt_int_op(mock_saved_severity_at(0), OP_EQ, LOG_INFO);
+
+  mock_clean_saved_logs();
+  libevent_logging_callback(_EVENT_LOG_MSG, "hello there something else");
+  tt_int_op(mock_saved_log_number(), OP_EQ, 0);
+
+  // No way of verifying the result of this, it seems =/
+  configure_libevent_logging();
+
+ done:
+  suppress_libevent_log_msg(NULL);
+  teardown_capture_of_logs(previous_log);
+}
+
+static void
+test_compat_libevent_le_versions_compatibility(void *ignored)
+{
+  (void)ignored;
+  int res;
+
+  res = le_versions_compatibility(LE_OTHER);
+  tt_int_op(res, OP_EQ, 0);
+
+  res = le_versions_compatibility(V_OLD(0,9,'c'));
+  tt_int_op(res, OP_EQ, 1);
+
+  res = le_versions_compatibility(V(1,3,98));
+  tt_int_op(res, OP_EQ, 2);
+
+  res = le_versions_compatibility(V(1,4,98));
+  tt_int_op(res, OP_EQ, 3);
+
+  res = le_versions_compatibility(V(1,5,0));
+  tt_int_op(res, OP_EQ, 4);
+
+  res = le_versions_compatibility(V(2,0,0));
+  tt_int_op(res, OP_EQ, 4);
+
+  res = le_versions_compatibility(V(2,0,2));
+  tt_int_op(res, OP_EQ, 5);
+
+ done:
+  (void)0;
+}
+
+static void
+test_compat_libevent_tor_decode_libevent_version(void *ignored)
+{
+  (void)ignored;
+  le_version_t res;
+
+  res = tor_decode_libevent_version("SOMETHING WRONG");
+  tt_int_op(res, OP_EQ, LE_OTHER);
+
+  res = tor_decode_libevent_version("1.4.11");
+  tt_int_op(res, OP_EQ, V(1,4,11));
+
+  res = tor_decode_libevent_version("1.4.12b-stable");
+  tt_int_op(res, OP_EQ, V(1,4,12));
+
+  res = tor_decode_libevent_version("1.4.17b_stable");
+  tt_int_op(res, OP_EQ, V(1,4,17));
+
+  res = tor_decode_libevent_version("1.4.12!stable");
+  tt_int_op(res, OP_EQ, LE_OTHER);
+
+  res = tor_decode_libevent_version("1.4.12b!stable");
+  tt_int_op(res, OP_EQ, LE_OTHER);
+
+  res = tor_decode_libevent_version("1.4.13-");
+  tt_int_op(res, OP_EQ, V(1,4,13));
+
+  res = tor_decode_libevent_version("1.4.14_");
+  tt_int_op(res, OP_EQ, V(1,4,14));
+
+  res = tor_decode_libevent_version("1.4.15c-");
+  tt_int_op(res, OP_EQ, V(1,4,15));
+
+  res = tor_decode_libevent_version("1.4.16c_");
+  tt_int_op(res, OP_EQ, V(1,4,16));
+
+  res = tor_decode_libevent_version("1.4.17-s");
+  tt_int_op(res, OP_EQ, V(1,4,17));
+
+  res = tor_decode_libevent_version("1.5");
+  tt_int_op(res, OP_EQ, V(1,5,0));
+
+  res = tor_decode_libevent_version("1.2");
+  tt_int_op(res, OP_EQ, V(1,2,0));
+
+  res = tor_decode_libevent_version("1.2-");
+  tt_int_op(res, OP_EQ, LE_OTHER);
+
+  res = tor_decode_libevent_version("1.6e");
+  tt_int_op(res, OP_EQ, V_OLD(1,6,'e'));
+
+ done:
+  (void)0;
+}
+
+#if defined(LIBEVENT_VERSION)
+#define HEADER_VERSION LIBEVENT_VERSION
+#elif defined(_EVENT_VERSION)
+#define HEADER_VERSION _EVENT_VERSION
+#endif
+
+static void
+test_compat_libevent_header_version(void *ignored)
+{
+  (void)ignored;
+  const char *res;
+
+  res = tor_libevent_get_header_version_str();
+  tt_str_op(res, OP_EQ, HEADER_VERSION);
+
+ done:
+  (void)0;
+}
+
+
+struct testcase_t compat_libevent_tests[] = {
+  { "logging_callback", test_compat_libevent_logging_callback, TT_FORK, NULL, NULL },
+  { "le_versions_compatibility", test_compat_libevent_le_versions_compatibility, 0, NULL, NULL },
+  { "tor_decode_libevent_version", test_compat_libevent_tor_decode_libevent_version, 0, NULL, NULL },
+  { "header_version", test_compat_libevent_header_version, 0, NULL, NULL },
+  END_OF_TESTCASES
+};