From f20513bd71d0530ad9285b9558e3a02733250a63 Mon Sep 17 00:00:00 2001
From: Pierre Rochard <pierre@rochard.org>
Date: Fri, 14 Sep 2018 21:10:20 -0400
Subject: Tests: add unit tests for GetWalletEnv

Github-Pull: #11911
Rebased-From: 88b1d95
---
 src/Makefile.test.include    |  1 +
 src/wallet/test/db_tests.cpp | 72 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 73 insertions(+)
 create mode 100644 src/wallet/test/db_tests.cpp

diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 6f401636f5..1b6827d45a 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -95,6 +95,7 @@ BITCOIN_TESTS =\
 if ENABLE_WALLET
 BITCOIN_TESTS += \
   wallet/test/accounting_tests.cpp \
+  wallet/test/db_tests.cpp \
   wallet/test/psbt_wallet_tests.cpp \
   wallet/test/wallet_tests.cpp \
   wallet/test/wallet_crypto_tests.cpp \
diff --git a/src/wallet/test/db_tests.cpp b/src/wallet/test/db_tests.cpp
new file mode 100644
index 0000000000..2a64749379
--- /dev/null
+++ b/src/wallet/test/db_tests.cpp
@@ -0,0 +1,72 @@
+// Copyright (c) 2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <memory>
+
+#include <boost/test/unit_test.hpp>
+
+#include <fs.h>
+#include <test/test_bitcoin.h>
+#include <wallet/db.h>
+
+
+BOOST_FIXTURE_TEST_SUITE(db_tests, BasicTestingSetup)
+
+BOOST_AUTO_TEST_CASE(getwalletenv_file)
+{
+    std::string test_name = "test_name.dat";
+    fs::path datadir = SetDataDir("tempdir");
+    fs::path file_path = datadir / test_name;
+    std::ofstream f(file_path.BOOST_FILESYSTEM_C_STR);
+    f.close();
+
+    std::string filename;
+    std::shared_ptr<BerkeleyEnvironment> env = GetWalletEnv(file_path, filename);
+    BOOST_CHECK(filename == test_name);
+    BOOST_CHECK(env->Directory() == datadir);
+}
+
+BOOST_AUTO_TEST_CASE(getwalletenv_directory)
+{
+    std::string expected_name = "wallet.dat";
+    fs::path datadir = SetDataDir("tempdir");
+
+    std::string filename;
+    std::shared_ptr<BerkeleyEnvironment> env = GetWalletEnv(datadir, filename);
+    BOOST_CHECK(filename == expected_name);
+    BOOST_CHECK(env->Directory() == datadir);
+}
+
+BOOST_AUTO_TEST_CASE(getwalletenv_g_dbenvs_multiple)
+{
+    fs::path datadir = SetDataDir("tempdir");
+    fs::path datadir_2 = SetDataDir("tempdir_2");
+    std::string filename;
+
+    std::shared_ptr<BerkeleyEnvironment> env_1 = GetWalletEnv(datadir, filename);
+    std::shared_ptr<BerkeleyEnvironment> env_2 = GetWalletEnv(datadir, filename);
+    std::shared_ptr<BerkeleyEnvironment> env_3 = GetWalletEnv(datadir_2, filename);
+
+    BOOST_CHECK(env_1 == env_2);
+    BOOST_CHECK(env_2 != env_3);
+}
+
+BOOST_AUTO_TEST_CASE(getwalletenv_g_dbenvs_free_instance)
+{
+    fs::path datadir = SetDataDir("tempdir");
+    fs::path datadir_2 = SetDataDir("tempdir_2");
+    std::string filename;
+
+    std::shared_ptr <BerkeleyEnvironment> env_1_a = GetWalletEnv(datadir, filename);
+    std::shared_ptr <BerkeleyEnvironment> env_2_a = GetWalletEnv(datadir_2, filename);
+    env_1_a.reset();
+
+    std::shared_ptr<BerkeleyEnvironment> env_1_b = GetWalletEnv(datadir, filename);
+    std::shared_ptr<BerkeleyEnvironment> env_2_b = GetWalletEnv(datadir_2, filename);
+
+    BOOST_CHECK(env_1_a != env_1_b);
+    BOOST_CHECK(env_2_a == env_2_b);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
-- 
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