util: Sqlite3Statement helper

Change-Id: Ia555dff99efa7d217f0b6153b1333b6dd97dd610
diff --git a/tests/unit-tests/util/sqlite3-statement.t.cpp b/tests/unit-tests/util/sqlite3-statement.t.cpp
new file mode 100644
index 0000000..a7fa29a
--- /dev/null
+++ b/tests/unit-tests/util/sqlite3-statement.t.cpp
@@ -0,0 +1,156 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2015 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#include "util/sqlite3-statement.hpp"
+
+#include <boost/filesystem.hpp>
+#include "boost-test.hpp"
+
+#include <sqlite3.h>
+
+namespace ndn {
+namespace util {
+namespace tests {
+
+class Sqlite3StatementTestFixture
+{
+public:
+  Sqlite3StatementTestFixture()
+    : m_path(boost::filesystem::path(UNIT_TEST_CONFIG_PATH))
+  {
+    boost::filesystem::create_directories(m_path);
+    int result = sqlite3_open_v2((m_path / "sqlite3-statement.db").string().c_str(), &db,
+                                 SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
+#ifdef NDN_CXX_DISABLE_SQLITE3_FS_LOCKING
+                                 "unix-dotfile"
+#else
+                                 nullptr
+#endif
+                                 );
+
+    if (result != SQLITE_OK) {
+      BOOST_FAIL("Sqlite3 database cannot be opened/created: " + m_path.string());
+    }
+  }
+
+  ~Sqlite3StatementTestFixture()
+  {
+    sqlite3_close(db);
+    boost::filesystem::remove_all(m_path);
+  }
+
+private:
+  boost::filesystem::path m_path;
+
+public:
+  sqlite3* db;
+};
+
+BOOST_FIXTURE_TEST_SUITE(UtilSqlite3Statement, Sqlite3StatementTestFixture)
+
+BOOST_AUTO_TEST_CASE(Basic)
+{
+  // create table
+  BOOST_CHECK_NO_THROW(Sqlite3Statement(db, "CREATE TABLE test (t1 int, t2 text)").step());
+
+  // insert data into table
+  BOOST_CHECK_NO_THROW(Sqlite3Statement(db, "INSERT INTO test VALUES (1, 'test1')").step());
+
+  {
+    Sqlite3Statement stmt(db, "INSERT INTO test VALUES (2, ?)");
+    stmt.bind(1, "test2", std::strlen("test2"), SQLITE_STATIC);
+    stmt.step();
+  }
+
+  {
+    Sqlite3Statement stmt(db, "INSERT INTO test VALUES (3, ?)");
+    stmt.bind(1, "test3", SQLITE_TRANSIENT);
+    stmt.step();
+  }
+
+  Block block(100);
+  block.encode();
+  {
+    Sqlite3Statement stmt(db, "INSERT INTO test VALUES (4, ?)");
+    stmt.bind(1, block, SQLITE_STATIC);
+    stmt.step();
+  }
+
+  {
+    Sqlite3Statement stmt(db, "INSERT INTO test VALUES (5, ?)");
+    stmt.bind(1, reinterpret_cast<const void*>(block.wire()), block.size(), SQLITE_STATIC);
+    stmt.step();
+  }
+
+  {
+    Sqlite3Statement stmt(db, "INSERT INTO test VALUES (?, ?)");
+    stmt.bind(1, 6);
+    stmt.bind(2, "test", SQLITE_TRANSIENT);
+    stmt.step();
+  }
+
+  // check content of the table
+
+  {
+    Sqlite3Statement stmt(db, "SELECT count(*) FROM test");
+    BOOST_CHECK_EQUAL(stmt.step(), SQLITE_ROW);
+    BOOST_CHECK_EQUAL(stmt.getInt(0), 6);
+    BOOST_CHECK_EQUAL(stmt.step(), SQLITE_DONE);
+  }
+
+  {
+    Sqlite3Statement stmt(db, "SELECT t1, t2 FROM test ORDER BY t1");
+    BOOST_CHECK_EQUAL(stmt.step(), SQLITE_ROW);
+    BOOST_CHECK_EQUAL(stmt.getInt(0), 1);
+    BOOST_CHECK_EQUAL(stmt.getString(1), "test1");
+
+    BOOST_CHECK_EQUAL(stmt.step(), SQLITE_ROW);
+    BOOST_CHECK_EQUAL(stmt.getInt(0), 2);
+    BOOST_CHECK_EQUAL(stmt.getString(1), "test2");
+
+    BOOST_CHECK_EQUAL(stmt.step(), SQLITE_ROW);
+    BOOST_CHECK_EQUAL(stmt.getInt(0), 3);
+    BOOST_CHECK_EQUAL(stmt.getString(1), "test3");
+
+    BOOST_CHECK_EQUAL(stmt.step(), SQLITE_ROW);
+    BOOST_CHECK_EQUAL(stmt.getInt(0), 4);
+
+    Block newBlock;
+    BOOST_CHECK_NO_THROW(newBlock = stmt.getBlock(1));
+    BOOST_CHECK_EQUAL(newBlock.type(), 100);
+    BOOST_CHECK(newBlock == block);
+
+    BOOST_CHECK_EQUAL(stmt.step(), SQLITE_ROW);
+    BOOST_CHECK_EQUAL(stmt.getInt(0), 5);
+    BOOST_CHECK_EQUAL(stmt.getSize(1), block.size());
+    BOOST_CHECK_EQUAL_COLLECTIONS(block.begin(), block.end(),
+                                  stmt.getBlob(1), stmt.getBlob(1) + stmt.getSize(1));
+
+    BOOST_CHECK_EQUAL(stmt.step(), SQLITE_ROW);
+    BOOST_CHECK_EQUAL(stmt.step(), SQLITE_DONE);
+  }
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace util
+} // namespace ndn
diff --git a/tests/wscript b/tests/wscript
index f3c1ccf..89a06cc 100644
--- a/tests/wscript
+++ b/tests/wscript
@@ -30,6 +30,7 @@
                                  excl=['**/*-osx.t.cpp', '**/*-sqlite3.t.cpp']),
         use='ndn-cxx tests-base BOOST',
         includes='.',
+        defines='UNIT_TEST_CONFIG_PATH=\"%s/tmp-files/\"' %(bld.bldnode),
         install_path=None)
 
     if bld.env['HAVE_OSX_SECURITY']: