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-rw-r--r--utils/config/parser_test.cpp252
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diff --git a/utils/config/parser_test.cpp b/utils/config/parser_test.cpp
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+// Copyright 2012 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+// may be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "utils/config/parser.hpp"
+
+#include <stdexcept>
+
+#include <atf-c++.hpp>
+
+#include "utils/config/exceptions.hpp"
+#include "utils/config/parser.hpp"
+#include "utils/config/tree.ipp"
+#include "utils/format/macros.hpp"
+#include "utils/fs/path.hpp"
+
+namespace config = utils::config;
+namespace fs = utils::fs;
+
+
+namespace {
+
+
+/// Implementation of a parser for testing purposes.
+class mock_parser : public config::parser {
+ /// Initializes the tree keys before reading the file.
+ ///
+ /// \param [in,out] tree The tree in which to define the key structure.
+ /// \param syntax_version The version of the file format as specified in the
+ /// configuration file.
+ void
+ setup(config::tree& tree, const int syntax_version)
+ {
+ if (syntax_version == 1) {
+ // Do nothing on config_tree.
+ } else if (syntax_version == 2) {
+ tree.define< config::string_node >("top_string");
+ tree.define< config::int_node >("inner.int");
+ tree.define_dynamic("inner.dynamic");
+ } else {
+ throw std::runtime_error(F("Unknown syntax version %s") %
+ syntax_version);
+ }
+ }
+
+public:
+ /// Initializes a parser.
+ ///
+ /// \param tree The mock config tree to parse.
+ mock_parser(config::tree& tree) :
+ config::parser(tree)
+ {
+ }
+};
+
+
+} // anonymous namespace
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(no_keys__ok);
+ATF_TEST_CASE_BODY(no_keys__ok)
+{
+ atf::utils::create_file(
+ "output.lua",
+ "syntax(2)\n"
+ "local foo = 'value'\n");
+
+ config::tree tree;
+ mock_parser(tree).parse(fs::path("output.lua"));
+ ATF_REQUIRE_THROW(config::unknown_key_error,
+ tree.lookup< config::string_node >("foo"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(no_keys__unknown_key);
+ATF_TEST_CASE_BODY(no_keys__unknown_key)
+{
+ atf::utils::create_file(
+ "output.lua",
+ "syntax(2)\n"
+ "foo = 'value'\n");
+
+ config::tree tree;
+ ATF_REQUIRE_THROW_RE(config::syntax_error, "foo",
+ mock_parser(tree).parse(fs::path("output.lua")));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(some_keys__ok);
+ATF_TEST_CASE_BODY(some_keys__ok)
+{
+ atf::utils::create_file(
+ "output.lua",
+ "syntax(2)\n"
+ "top_string = 'foo'\n"
+ "inner.int = 12345\n"
+ "inner.dynamic.foo = 78\n"
+ "inner.dynamic.bar = 'some text'\n");
+
+ config::tree tree;
+ mock_parser(tree).parse(fs::path("output.lua"));
+ ATF_REQUIRE_EQ("foo", tree.lookup< config::string_node >("top_string"));
+ ATF_REQUIRE_EQ(12345, tree.lookup< config::int_node >("inner.int"));
+ ATF_REQUIRE_EQ("78",
+ tree.lookup< config::string_node >("inner.dynamic.foo"));
+ ATF_REQUIRE_EQ("some text",
+ tree.lookup< config::string_node >("inner.dynamic.bar"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(some_keys__not_strict);
+ATF_TEST_CASE_BODY(some_keys__not_strict)
+{
+ atf::utils::create_file(
+ "output.lua",
+ "syntax(2)\n"
+ "top_string = 'foo'\n"
+ "unknown_string = 'bar'\n"
+ "top_string = 'baz'\n");
+
+ config::tree tree(false);
+ mock_parser(tree).parse(fs::path("output.lua"));
+ ATF_REQUIRE_EQ("baz", tree.lookup< config::string_node >("top_string"));
+ ATF_REQUIRE(!tree.is_set("unknown_string"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(some_keys__unknown_key);
+ATF_TEST_CASE_BODY(some_keys__unknown_key)
+{
+ atf::utils::create_file(
+ "output.lua",
+ "syntax(2)\n"
+ "top_string2 = 'foo'\n");
+ config::tree tree1;
+ ATF_REQUIRE_THROW_RE(config::syntax_error,
+ "Unknown configuration property 'top_string2'",
+ mock_parser(tree1).parse(fs::path("output.lua")));
+
+ atf::utils::create_file(
+ "output.lua",
+ "syntax(2)\n"
+ "inner.int2 = 12345\n");
+ config::tree tree2;
+ ATF_REQUIRE_THROW_RE(config::syntax_error,
+ "Unknown configuration property 'inner.int2'",
+ mock_parser(tree2).parse(fs::path("output.lua")));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(invalid_syntax);
+ATF_TEST_CASE_BODY(invalid_syntax)
+{
+ config::tree tree;
+
+ atf::utils::create_file("output.lua", "syntax(56)\n");
+ ATF_REQUIRE_THROW_RE(config::syntax_error,
+ "Unknown syntax version 56",
+ mock_parser(tree).parse(fs::path("output.lua")));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(syntax_deprecated_format);
+ATF_TEST_CASE_BODY(syntax_deprecated_format)
+{
+ config::tree tree;
+
+ atf::utils::create_file("output.lua", "syntax('config', 1)\n");
+ (void)mock_parser(tree).parse(fs::path("output.lua"));
+
+ atf::utils::create_file("output.lua", "syntax('foo', 1)\n");
+ ATF_REQUIRE_THROW_RE(config::syntax_error, "must be 'config'",
+ mock_parser(tree).parse(fs::path("output.lua")));
+
+ atf::utils::create_file("output.lua", "syntax('config', 2)\n");
+ ATF_REQUIRE_THROW_RE(config::syntax_error, "only takes one argument",
+ mock_parser(tree).parse(fs::path("output.lua")));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(syntax_not_called);
+ATF_TEST_CASE_BODY(syntax_not_called)
+{
+ config::tree tree;
+ tree.define< config::int_node >("var");
+
+ atf::utils::create_file("output.lua", "var = 3\n");
+ ATF_REQUIRE_THROW_RE(config::syntax_error, "No syntax defined",
+ mock_parser(tree).parse(fs::path("output.lua")));
+
+ ATF_REQUIRE(!tree.is_set("var"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(syntax_called_more_than_once);
+ATF_TEST_CASE_BODY(syntax_called_more_than_once)
+{
+ config::tree tree;
+ tree.define< config::int_node >("var");
+
+ atf::utils::create_file(
+ "output.lua",
+ "syntax(2)\n"
+ "var = 3\n"
+ "syntax(2)\n"
+ "var = 5\n");
+ ATF_REQUIRE_THROW_RE(config::syntax_error,
+ "syntax\\(\\) can only be called once",
+ mock_parser(tree).parse(fs::path("output.lua")));
+
+ ATF_REQUIRE_EQ(3, tree.lookup< config::int_node >("var"));
+}
+
+
+ATF_INIT_TEST_CASES(tcs)
+{
+ ATF_ADD_TEST_CASE(tcs, no_keys__ok);
+ ATF_ADD_TEST_CASE(tcs, no_keys__unknown_key);
+
+ ATF_ADD_TEST_CASE(tcs, some_keys__ok);
+ ATF_ADD_TEST_CASE(tcs, some_keys__not_strict);
+ ATF_ADD_TEST_CASE(tcs, some_keys__unknown_key);
+
+ ATF_ADD_TEST_CASE(tcs, invalid_syntax);
+ ATF_ADD_TEST_CASE(tcs, syntax_deprecated_format);
+ ATF_ADD_TEST_CASE(tcs, syntax_not_called);
+ ATF_ADD_TEST_CASE(tcs, syntax_called_more_than_once);
+}