Collect and send kernel crash diagnostics

crash_collector_test.cc

+// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <unistd.h>
+
+#include "base/file_util.h"
+#include "crash-reporter/crash_collector.h"
+#include "crash-reporter/system_logging_mock.h"
+#include "gflags/gflags.h"
+#include "gtest/gtest.h"
+
+void CountCrash() {
+  ADD_FAILURE();
+}
+
+bool IsMetrics() {
+  ADD_FAILURE();
+  return false;
+}
+
+class CrashCollectorTest : public ::testing::Test {
+  void SetUp() {
+    collector_.Initialize(CountCrash,
+                          IsMetrics,
+                          &logging_);
+  }
+ protected:
+  SystemLoggingMock logging_;
+  CrashCollector collector_;
+  pid_t pid_;
+};
+
+TEST_F(CrashCollectorTest, Initialize) {
+  ASSERT_TRUE(CountCrash == collector_.count_crash_function_);
+  ASSERT_TRUE(IsMetrics == collector_.is_feedback_allowed_function_);
+  ASSERT_TRUE(&logging_ == collector_.logger_);
+}
+
+TEST_F(CrashCollectorTest, GetCrashDirectoryInfo) {
+  FilePath path;
+  const int kRootUid = 0;
+  const int kRootGid = 0;
+  const int kNtpUid = 5;
+  const int kChronosUid = 1000;
+  const int kChronosGid = 1001;
+  const mode_t kExpectedSystemMode = 01755;
+  const mode_t kExpectedUserMode = 0755;
+
+  mode_t directory_mode;
+  uid_t directory_owner;
+  gid_t directory_group;
+
+  path = collector_.GetCrashDirectoryInfo(kRootUid,
+                                          kChronosUid,
+                                          kChronosGid,
+                                          &directory_mode,
+                                          &directory_owner,
+                                          &directory_group);
+  EXPECT_EQ("/var/spool/crash", path.value());
+  EXPECT_EQ(kExpectedSystemMode, directory_mode);
+  EXPECT_EQ(kRootUid, directory_owner);
+  EXPECT_EQ(kRootGid, directory_group);
+
+  path = collector_.GetCrashDirectoryInfo(kNtpUid,
+                                          kChronosUid,
+                                          kChronosGid,
+                                          &directory_mode,
+                                          &directory_owner,
+                                          &directory_group);
+  EXPECT_EQ("/var/spool/crash", path.value());
+  EXPECT_EQ(kExpectedSystemMode, directory_mode);
+  EXPECT_EQ(kRootUid, directory_owner);
+  EXPECT_EQ(kRootGid, directory_group);
+
+  path = collector_.GetCrashDirectoryInfo(kChronosUid,
+                                          kChronosUid,
+                                          kChronosGid,
+                                          &directory_mode,
+                                          &directory_owner,
+                                          &directory_group);
+  EXPECT_EQ("/home/chronos/user/crash", path.value());
+  EXPECT_EQ(kExpectedUserMode, directory_mode);
+  EXPECT_EQ(kChronosUid, directory_owner);
+  EXPECT_EQ(kChronosGid, directory_group);
+}
+
+TEST_F(CrashCollectorTest, FormatDumpBasename) {
+  struct tm tm = {0};
+  tm.tm_sec = 15;
+  tm.tm_min = 50;
+  tm.tm_hour = 13;
+  tm.tm_mday = 23;
+  tm.tm_mon = 4;
+  tm.tm_year = 110;
+  tm.tm_isdst = -1;
+  std::string basename =
+      collector_.FormatDumpBasename("foo", mktime(&tm), 100);
+  ASSERT_EQ("foo.20100523.135015.100", basename);
+}
+
+int main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}