0ea6df2cd1
Many tests verify exception messages. Currently, they do so via verbose lambdas or inner functions that hide test-failure locations. This patch adds utilities for quick creation of message-checking tests and replaces existing ad-hoc methods with these new utilities. Tests: unit (dev) Signed-off-by: Dejan Mircevski <dejan@scylladb.com> Message-Id: <20190506210006.124645-1-dejan@scylladb.com>
49 lines
1.8 KiB
C++
49 lines
1.8 KiB
C++
/*
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* Copyright (C) 2019 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <experimental/source_location>
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#include <functional>
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#include <seastar/core/sstring.hh>
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#include "seastarx.hh"
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namespace exception_predicate {
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/// Makes an exception predicate that applies \p check function to verify the exception and \p err
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/// function to create an error message if the check fails.
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extern std::function<bool(const std::exception&)> make(
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std::function<bool(const std::exception&)> check,
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std::function<sstring(const std::exception&)> err);
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/// Returns a predicate that will check if the exception message contains the given fragment.
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extern std::function<bool(const std::exception&)> message_contains(
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const sstring& fragment,
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const std::experimental::source_location& loc = std::experimental::source_location::current());
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/// Returns a predicate that will check if the exception message equals the given text.
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extern std::function<bool(const std::exception&)> message_equals(
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const sstring& text,
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const std::experimental::source_location& loc = std::experimental::source_location::current());
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} // namespace exception_predicate
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