tests: add new unit tests for object map invalidation

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
(cherry picked from commit 0215e9753c09460f6fc84ded9397e36a209f2e32)

diff --git a/src/test/Makefile-client.am b/src/test/Makefile-client.am
index 39135502d3c6e11aa6d8fd0d896853c7debdb3fa..279cf44157f0797b5dc3304949f5cefe81b9feb0 100644 (file)
--- a/src/test/Makefile-client.am
+++ b/src/test/Makefile-client.am
@@ -303,7 +303,8 @@ librbd_test_la_SOURCES = \
        test/librbd/test_support.cc \
        test/librbd/test_librbd.cc \
        test/librbd/test_ImageWatcher.cc \
-       test/librbd/test_internal.cc
+       test/librbd/test_internal.cc \
+       test/librbd/test_ObjectMap.cc
 librbd_test_la_CXXFLAGS = $(UNITTEST_CXXFLAGS)
 noinst_LTLIBRARIES += librbd_test.la
 

diff --git a/src/test/librbd/test_ObjectMap.cc b/src/test/librbd/test_ObjectMap.cc
new file mode 100644 (file)
index 0000000..70ea763
--- /dev/null
+++ b/src/test/librbd/test_ObjectMap.cc
@@ -0,0 +1,124 @@
+// -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+#include "test/librbd/test_fixture.h"
+#include "test/librbd/test_support.h"
+#include "librbd/ImageCtx.h"
+#include "librbd/ImageWatcher.h"
+#include "librbd/internal.h"
+#include "librbd/ObjectMap.h"
+#include "cls/rbd/cls_rbd_client.h"
+#include <list>
+
+void register_test_object_map() {
+}
+
+class TestObjectMap : public TestFixture {
+public:
+};
+
+TEST_F(TestObjectMap, RefreshInvalidatesWhenCorrupt) {
+  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_FALSE(ictx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID));
+
+  {
+    RWLock::WLocker owner_locker(ictx->owner_lock);
+    ASSERT_EQ(0, ictx->image_watcher->try_lock());
+  }
+
+  std::string oid = librbd::ObjectMap::object_map_name(ictx->id, CEPH_NOSNAP);
+  bufferlist bl;
+  bl.append("corrupt");
+  ASSERT_EQ(0, ictx->data_ctx.write_full(oid, bl));
+
+  {
+    RWLock::RLocker owner_locker(ictx->owner_lock);
+    RWLock::WLocker snap_locker(ictx->snap_lock);
+    ictx->object_map.refresh(CEPH_NOSNAP);
+  }
+  ASSERT_TRUE(ictx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID));
+}
+
+TEST_F(TestObjectMap, RefreshInvalidatesWhenTooSmall) {
+  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_FALSE(ictx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID));
+
+  {
+    RWLock::WLocker owner_locker(ictx->owner_lock);
+    ASSERT_EQ(0, ictx->image_watcher->try_lock());
+  }
+
+  librados::ObjectWriteOperation op;
+  librbd::cls_client::object_map_resize(&op, 0, OBJECT_NONEXISTENT);
+
+  std::string oid = librbd::ObjectMap::object_map_name(ictx->id, CEPH_NOSNAP);
+  ASSERT_EQ(0, ictx->data_ctx.operate(oid, &op));
+
+  {
+    RWLock::RLocker owner_locker(ictx->owner_lock);
+    RWLock::WLocker snap_locker(ictx->snap_lock);
+    ictx->object_map.refresh(CEPH_NOSNAP);
+  }
+  ASSERT_TRUE(ictx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID));
+}
+
+TEST_F(TestObjectMap, InvalidateFlagOnDisk) {
+  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_FALSE(ictx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID));
+
+  {
+    RWLock::WLocker owner_locker(ictx->owner_lock);
+    ASSERT_EQ(0, ictx->image_watcher->try_lock());
+  }
+
+  std::string oid = librbd::ObjectMap::object_map_name(ictx->id, CEPH_NOSNAP);
+  bufferlist bl;
+  bl.append("corrupt");
+  ASSERT_EQ(0, ictx->data_ctx.write_full(oid, bl));
+
+  {
+    RWLock::RLocker owner_locker(ictx->owner_lock);
+    RWLock::WLocker snap_locker(ictx->snap_lock);
+    ictx->object_map.refresh(CEPH_NOSNAP);
+  }
+  ASSERT_TRUE(ictx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID));
+
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_TRUE(ictx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID));
+}
+
+TEST_F(TestObjectMap, InvalidateFlagInMemoryOnly) {
+  REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_FALSE(ictx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID));
+
+  std::string oid = librbd::ObjectMap::object_map_name(ictx->id, CEPH_NOSNAP);
+  bufferlist valid_bl;
+  ASSERT_EQ(0, ictx->data_ctx.read(oid, valid_bl, 0, 0));
+
+  bufferlist corrupt_bl;
+  corrupt_bl.append("corrupt");
+  ASSERT_EQ(0, ictx->data_ctx.write_full(oid, corrupt_bl));
+
+  {
+    RWLock::RLocker owner_locker(ictx->owner_lock);
+    RWLock::WLocker snap_locker(ictx->snap_lock);
+    ictx->object_map.refresh(CEPH_NOSNAP);
+  }
+  ASSERT_TRUE(ictx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID));
+
+  ASSERT_EQ(0, ictx->data_ctx.write_full(oid, valid_bl));
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_FALSE(ictx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID));
+}
+

diff --git a/src/test/librbd/test_main.cc b/src/test/librbd/test_main.cc
index 792e758954f5712399bd22680de60b73c060f8f3..f77121b96ca17f409bd512fc0294320be924ac6e 100644 (file)
--- a/src/test/librbd/test_main.cc
+++ b/src/test/librbd/test_main.cc
@@ -11,6 +11,7 @@ extern void register_test_librbd();
 #ifdef TEST_LIBRBD_INTERNALS
 extern void register_test_image_watcher();
 extern void register_test_internal();
+extern void register_test_object_map();
 #endif // TEST_LIBRBD_INTERNALS
 
 int main(int argc, char **argv)
@@ -19,6 +20,7 @@ int main(int argc, char **argv)
 #ifdef TEST_LIBRBD_INTERNALS
   register_test_image_watcher();
   register_test_internal();
+  register_test_object_map();
 #endif // TEST_LIBRBD_INTERNALS
 
   ::testing::InitGoogleTest(&argc, argv);