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| // Copyright 2010, 2013, 2016 Alexander Lamaison | ||
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| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
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| // This program 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 General Public License for more details. | ||
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| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
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| #include "session_fixture.hpp" | ||
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| #include <ssh/filesystem.hpp> // test subject | ||
| #include <ssh/stream.hpp> | ||
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| #include <boost/move/move.hpp> | ||
| #include <boost/system/system_error.hpp> | ||
| #include <boost/test/unit_test.hpp> | ||
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| #include <memory> // auto_ptr | ||
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| using ssh::filesystem::ofstream; | ||
| using ssh::filesystem::sftp_filesystem; | ||
| using ssh::session; | ||
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| using boost::move; | ||
| using boost::system::system_error; | ||
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| using test::ssh::session_fixture; | ||
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| using std::auto_ptr; | ||
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| BOOST_AUTO_TEST_SUITE(filesystem_construction_test) | ||
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| BOOST_FIXTURE_TEST_CASE(construct_fail, session_fixture) | ||
| { | ||
| session& s = test_session(); | ||
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| // Session not authenticated so SFTP not possible | ||
| BOOST_CHECK_THROW(s.connect_to_filesystem(), system_error); | ||
| } | ||
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| // This tests the very basic requirements of any sensible relationship between | ||
| // a filesystem and a session. It must be possible to create a filesystem | ||
| // before moving the session. That's it. | ||
| // | ||
| // In particular, we destroy the filesystem before moving the object because | ||
| // we don't want to test an added requirement that the filesystem's lifetime | ||
| // can extend beyond the session's move. Whatever else we might decide the | ||
| // semantics of the session-filesystem relationship should be now or in the | ||
| // future, this tests must pass. Anything else would mean moving depends on | ||
| // what you've used the session for in the past, which would just be broken. | ||
| // | ||
| // In other words, even the most careful caller would run into trouble | ||
| // if this test failed. | ||
| BOOST_FIXTURE_TEST_CASE(move_session_after_connecting_filesystem, | ||
| session_fixture) | ||
| { | ||
| session& s = test_session(); | ||
| s.authenticate_by_key_files(user(), public_key_path(), private_key_path(), | ||
| ""); | ||
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| { | ||
| sftp_filesystem(s.connect_to_filesystem()); | ||
| } | ||
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| session(move(s)); | ||
| } | ||
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| // This builds slightly on the previous test by checking that the filesystem | ||
| // can be destroyed _after_ the session is moved. It still isn't a test that | ||
| // the filesystem is usable afterwards (though we probably want that | ||
| // property too), just that the object is valid (can be destroyed). | ||
| // | ||
| // In an earlier version, the filesystem destructor tried to use the moved | ||
| // session causing a crash. It's very hard sometimes to ensure the filesystem | ||
| // is destroyed before the exact (non-moved) session it came from, so its | ||
| // important we allow destruction to happen after moving the session (but | ||
| // before moved-to session is destroyed). | ||
| BOOST_FIXTURE_TEST_CASE(move_session_with_live_filesystem_connection, | ||
| session_fixture) | ||
| { | ||
| session& s = test_session(); | ||
| s.authenticate_by_key_files(user(), public_key_path(), private_key_path(), | ||
| ""); | ||
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| sftp_filesystem fs = s.connect_to_filesystem(); | ||
| session s2(move(s)); | ||
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| // The rules are that the last session must outlive the last FS so moving | ||
| // FS to inner scope ensures this | ||
| sftp_filesystem(move(fs)); | ||
| } | ||
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| // This is the third part of the session-movement tests. It strengthens the | ||
| // requirements a bit more to ensure the filesystem is not just valid for | ||
| // destruction but also still functions as a filesystem connection. | ||
| BOOST_FIXTURE_TEST_CASE(moving_session_leaves_working_filesystem, | ||
| session_fixture) | ||
| { | ||
| session& s = test_session(); | ||
| s.authenticate_by_key_files(user(), public_key_path(), private_key_path(), | ||
| ""); | ||
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| sftp_filesystem fs = s.connect_to_filesystem(); | ||
| session s2(move(s)); | ||
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| // The rules are that the last session must outlive the last FS so moving | ||
| // FS to inner scope ensures this | ||
| sftp_filesystem fs2(move(fs)); | ||
| ofstream(fs2, "/tmp/bob.txt").close(); | ||
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| BOOST_CHECK(exists(fs2, "/tmp/bob.txt")); | ||
| } | ||
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| BOOST_FIXTURE_TEST_CASE(swap_session_with_live_filesystem_connection, | ||
| session_fixture) | ||
| { | ||
| // Both sockets must outlive both session objects | ||
| auto_ptr<boost::asio::ip::tcp::socket> socket1(connect_additional_socket()); | ||
| auto_ptr<boost::asio::ip::tcp::socket> socket2(connect_additional_socket()); | ||
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| session s(socket1->native()); | ||
| session t(socket2->native()); | ||
| s.authenticate_by_key_files(user(), public_key_path(), private_key_path(), | ||
| ""); | ||
| t.authenticate_by_key_files(user(), public_key_path(), private_key_path(), | ||
| ""); | ||
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| sftp_filesystem fs = s.connect_to_filesystem(); | ||
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| boost::swap(t, s); | ||
| } | ||
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| BOOST_AUTO_TEST_SUITE_END(); |
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