Add tests for compat_libevent

1 files changed, 95 insertions, 0 deletions

diff --git a/src/test/log_test_helpers.c b/src/test/log_test_helpers.c
new file mode 100644
index 0000000000..42778d4642
--- /dev/null
+++ b/src/test/log_test_helpers.c
@@ -0,0 +1,95 @@
+#define LOG_PRIVATE
+#include "torlog.h"
+#include "log_test_helpers.h"
+
+static smartlist_t *saved_logs = NULL;
+
+int
+setup_capture_of_logs(int new_level)
+{
+  int previous_log = log_global_min_severity_;
+  log_global_min_severity_ = new_level;
+  mock_clean_saved_logs();
+  MOCK(logv, mock_saving_logv);
+  return previous_log;
+}
+
+void
+teardown_capture_of_logs(int prev)
+{
+  UNMOCK(logv);
+  log_global_min_severity_ = prev;
+  mock_clean_saved_logs();
+}
+
+void
+mock_clean_saved_logs(void)
+{
+  if (!saved_logs)
+    return;
+  SMARTLIST_FOREACH(saved_logs, mock_saved_log_entry_t *, m,
+                    { tor_free(m->generated_msg); tor_free(m); });
+  smartlist_free(saved_logs);
+  saved_logs = NULL;
+}
+
+char *
+mock_saved_log_at(int ix)
+{
+  int saved_log_count = mock_saved_log_number();
+  if(ix < 0) {
+    ix = saved_log_count + ix;
+  }
+
+  if (saved_log_count <= ix)
+    return "";
+  return ((mock_saved_log_entry_t *)smartlist_get(saved_logs, ix))->generated_msg;
+}
+
+int
+mock_saved_severity_at(int ix)
+{
+  int saved_log_count = mock_saved_log_number();
+  if(ix < 0) {
+    ix = saved_log_count + ix;
+  }
+
+  if (saved_log_count <= ix)
+    return -1;
+  return ((mock_saved_log_entry_t *)smartlist_get(saved_logs, ix))->severity;
+}
+
+int
+mock_saved_log_number(void)
+{
+  if (!saved_logs)
+    return 0;
+  return smartlist_len(saved_logs);
+}
+
+const smartlist_t *
+mock_saved_logs(void)
+{
+  return saved_logs;
+}
+
+void
+mock_saving_logv(int severity, log_domain_mask_t domain, const char *funcname, const char *suffix, const char *format, va_list ap)
+{
+  char *buf = tor_malloc_zero(10240);
+  int n;
+  n = tor_vsnprintf(buf,10240,format,ap);
+  buf[n]='\n';
+  buf[n+1]='\0';
+
+  mock_saved_log_entry_t *e = tor_malloc_zero(sizeof(mock_saved_log_entry_t));
+  e->severity = severity;
+  e->funcname = funcname;
+  e->suffix = suffix;
+  e->format = format;
+  e->generated_msg = buf;
+
+  if (!saved_logs)
+    saved_logs = smartlist_new();
+  smartlist_add(saved_logs, e);
+}