To do so, a few dependencies have been imported: * external/bsd/lutok * external/mit/lua * external/public-domain/sqlite * external/public-domain/xz The Kyua framework is the new generation of ATF (Automated Test Framework), it is composed of: * external/bsd/atf * external/bsd/kyua-atf-compat * external/bsd/kyua-cli * external/bsd/kyua-tester * tests Kyua/ATF being written in C++, it depends on libstdc++ which is provided by GCC. As this is not part of the sources, Kyua is only compiled when the native GCC utils are installed. To install Kyua do the following: * In a cross-build enviromnent, add the following to the build.sh commandline: -V MKBINUTILS=yes -V MKGCCCMDS=yes WARNING: At this point the import is still experimental, and not supported on native builds (a.k.a make build). Change-Id: I26aee23c5bbd2d64adcb7c1beb98fe0d479d7ada
235 lines
7.1 KiB
C++
235 lines
7.1 KiB
C++
// Copyright 2010 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "engine/config.hpp"
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#if defined(HAVE_CONFIG_H)
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# include "config.h"
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#endif
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#include <stdexcept>
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#include "engine/exceptions.hpp"
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#include "utils/config/exceptions.hpp"
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#include "utils/config/parser.hpp"
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#include "utils/config/tree.ipp"
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#include "utils/passwd.hpp"
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#include "utils/text/exceptions.hpp"
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#include "utils/text/operations.ipp"
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namespace config = utils::config;
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namespace fs = utils::fs;
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namespace passwd = utils::passwd;
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namespace text = utils::text;
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namespace {
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/// Defines the schema of a configuration tree.
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///
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/// \param [in,out] tree The tree to populate. The tree should be empty on
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/// entry to prevent collisions with the keys defined in here.
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static void
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init_tree(config::tree& tree)
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{
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tree.define< config::string_node >("architecture");
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tree.define< config::string_node >("platform");
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tree.define< engine::user_node >("unprivileged_user");
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tree.define_dynamic("test_suites");
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}
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/// Fills in a configuration tree with default values.
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///
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/// \param [in,out] tree The tree to populate. init_tree() must have been
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/// called on it beforehand.
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static void
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set_defaults(config::tree& tree)
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{
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tree.set< config::string_node >("architecture", KYUA_ARCHITECTURE);
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tree.set< config::string_node >("platform", KYUA_PLATFORM);
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}
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/// Configuration parser specialization for Kyua configuration files.
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class config_parser : public config::parser {
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/// Initializes the configuration tree.
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///
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/// This is a callback executed when the configuration script invokes the
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/// syntax() method. We populate the configuration tree from here with the
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/// schema version requested by the file.
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///
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/// \param [in,out] tree The tree to populate.
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/// \param syntax_version The version of the file format as specified in the
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/// configuration file.
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///
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/// \throw config::syntax_error If the syntax_format/syntax_version
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/// combination is not supported.
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void
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setup(config::tree& tree, const int syntax_version)
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{
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if (syntax_version < 1 || syntax_version > 2)
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throw config::syntax_error(F("Unsupported config version %s") %
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syntax_version);
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init_tree(tree);
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set_defaults(tree);
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}
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public:
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/// Initializes the parser.
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///
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/// \param [out] tree_ The tree in which the results of the parsing will be
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/// stored when parse() is called. Should be empty on entry. Because
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/// we grab a reference to this object, the tree must remain valid for
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/// the existence of the parser object.
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explicit config_parser(config::tree& tree_) :
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config::parser(tree_)
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{
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}
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};
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} // anonymous namespace
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/// Copies the node.
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///
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/// \return A dynamically-allocated node.
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config::detail::base_node*
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engine::user_node::deep_copy(void) const
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{
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std::auto_ptr< user_node > new_node(new user_node());
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new_node->_value = _value;
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return new_node.release();
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}
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/// Pushes the node's value onto the Lua stack.
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///
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/// \param state The Lua state onto which to push the value.
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void
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engine::user_node::push_lua(lutok::state& state) const
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{
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state.push_string(value().name);
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}
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/// Sets the value of the node from an entry in the Lua stack.
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///
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/// \param state The Lua state from which to get the value.
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/// \param value_index The stack index in which the value resides.
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///
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/// \throw value_error If the value in state(value_index) cannot be
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/// processed by this node.
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void
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engine::user_node::set_lua(lutok::state& state, const int value_index)
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{
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if (state.is_number(value_index)) {
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config::typed_leaf_node< passwd::user >::set(
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passwd::find_user_by_uid(state.to_integer(-1)));
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} else if (state.is_string(value_index)) {
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config::typed_leaf_node< passwd::user >::set(
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passwd::find_user_by_name(state.to_string(-1)));
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} else
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throw config::value_error("Invalid user identifier");
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}
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void
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engine::user_node::set_string(const std::string& raw_value)
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{
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try {
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config::typed_leaf_node< passwd::user >::set(
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passwd::find_user_by_name(raw_value));
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} catch (const std::runtime_error& e) {
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int uid;
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try {
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uid = text::to_type< int >(raw_value);
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} catch (const text::value_error& e2) {
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throw error(F("Cannot find user with name '%s'") % raw_value);
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}
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try {
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config::typed_leaf_node< passwd::user >::set(
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passwd::find_user_by_uid(uid));
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} catch (const std::runtime_error& e2) {
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throw error(F("Cannot find user with UID %s") % uid);
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}
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}
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}
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std::string
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engine::user_node::to_string(void) const
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{
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return config::typed_leaf_node< passwd::user >::value().name;
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}
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/// Constructs a config with the built-in settings.
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config::tree
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engine::default_config(void)
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{
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config::tree tree;
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init_tree(tree);
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set_defaults(tree);
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return tree;
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}
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/// Constructs a config with the built-in settings.
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config::tree
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engine::empty_config(void)
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{
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config::tree tree;
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init_tree(tree);
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return tree;
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}
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/// Parses a test suite configuration file.
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///
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/// \param file The file to parse.
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///
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/// \return High-level representation of the configuration file.
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///
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/// \throw load_error If there is any problem loading the file. This includes
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/// file access errors and syntax errors.
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config::tree
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engine::load_config(const utils::fs::path& file)
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{
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config::tree tree;
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try {
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config_parser(tree).parse(file);
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} catch (const config::error& e) {
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throw load_error(file, e.what());
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}
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return tree;
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}
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