test: add a test for filter in cls hello

Signed-off-by: John Spray <john.spray@redhat.com>

diff --git a/src/test/cls_hello/test_cls_hello.cc b/src/test/cls_hello/test_cls_hello.cc
index 58ecb97f9f6d62794148605ee6824a7dacb181cb..efd9fc749f5c004f33c2d0ca48d3a7289e261bc3 100644 (file)
--- a/src/test/cls_hello/test_cls_hello.cc
+++ b/src/test/cls_hello/test_cls_hello.cc
@@ -16,6 +16,7 @@
 #include <errno.h>
 
 #include "include/rados/librados.hpp"
+#include "include/encoding.h"
 #include "test/librados/test.h"
 #include "gtest/gtest.h"
 
@@ -131,3 +132,54 @@ TEST(ClsHello, BadMethods) {
 
   ASSERT_EQ(0, destroy_one_pool_pp(pool_name, cluster));
 }
+
+TEST(ClsHello, Filter) {
+  Rados cluster;
+  std::string pool_name = get_temp_pool_name();
+  ASSERT_EQ("", create_one_pool_pp(pool_name, cluster));
+  IoCtx ioctx;
+  cluster.ioctx_create(pool_name.c_str(), ioctx);
+
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist obj_content;
+  obj_content.append(buf, sizeof(buf));
+
+  std::string target_str = "content";
+
+  // Write xattr bare, no ::encod'ing
+  bufferlist target_val;
+  target_val.append(target_str);
+  bufferlist nontarget_val;
+  nontarget_val.append("rhubarb");
+
+  ASSERT_EQ(0, ioctx.write("has_xattr", obj_content, obj_content.length(), 0));
+  ASSERT_EQ(0, ioctx.write("has_wrong_xattr", obj_content, obj_content.length(), 0));
+  ASSERT_EQ(0, ioctx.write("no_xattr", obj_content, obj_content.length(), 0));
+
+  ASSERT_EQ(0, ioctx.setxattr("has_xattr", "theattr", target_val));
+  ASSERT_EQ(0, ioctx.setxattr("has_wrong_xattr", "theattr", nontarget_val));
+
+  bufferlist filter_bl;
+  std::string filter_name = "hello.hello";
+  ::encode(filter_name, filter_bl);
+  ::encode("_theattr", filter_bl);
+  ::encode(target_str, filter_bl);
+
+  NObjectIterator iter(ioctx.nobjects_begin(filter_bl));
+  bool foundit = false;
+  int k = 0;
+  while (iter != ioctx.nobjects_end()) {
+    foundit = true;
+    // We should only see the object that matches the filter
+    ASSERT_EQ((*iter).get_oid(), "has_xattr");
+    // We should only see it once
+    ASSERT_EQ(k, 0);
+    ++iter;
+    ++k;
+  }
+  ASSERT_TRUE(foundit);
+
+  ASSERT_EQ(0, destroy_one_pool_pp(pool_name, cluster));
+}
+