Utils/Console/Parse.test.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2008
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Stefan Bund <g0dil@berlios.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 /** \file
  24     \brief Parse.test unit tests */
  25
  26 //#include "Parse.test.hh"
  27 //#include "Parse.test.ih"
  28
  29 // #define BOOST_SPIRIT_DEBUG
  30 // #define BOOST_SPIRIT_DEBUG_TRACENODE 0
  31
  32 // Custom includes
  33 #include <sstream>
  34 #include "Parse.hh"
  35 #include "Parse.ih"
  36 #include "../../Utils/String.hh"
  37
  38 #include "../../Utils/auto_unit_test.hh"
  39 #include <boost/test/test_tools.hpp>
  40
  41 #define prefix_
  42 ///////////////////////////////cc.p////////////////////////////////////////
  43
  44 namespace
  45 {
  46     struct TestParseDispatcher
  47     {
  48         TestParseDispatcher(std::ostream & os) : os_ (os) {}
  49
  50         std::ostream & os_;
  51
  52         void pushDirectory()
  53             { os_ << "pushDirectory()\n"; }
  54         void popDirectory()
  55             { os_ << "popDirectory()\n"; }
  56
  57         void beginCommand(std::vector<senf::console::Token> const & command)
  58             { os_ << "beginCommand( " << senf::stringJoin(command, "/") << " )\n"; }
  59         void endCommand()
  60             { os_ << "endCommand()\n"; }
  61
  62         void pushToken(senf::console::Token token)
  63             { os_ << "pushToken( " << token << " )\n"; }
  64
  65         void builtin_cd(std::vector<senf::console::Token> const & path)
  66             { os_ << "builtin_cd( " << senf::stringJoin(path, "/") << " )\n"; }
  67         void builtin_ls(std::vector<senf::console::Token> const & path)
  68             { os_ << "builtin_ls( " << senf::stringJoin(path, "/") << " )\n"; }
  69         void builtin_exit()
  70             { os_ << "builtin_exit()\n"; }
  71         void builtin_help(std::vector<senf::console::Token> const & path)
  72             { os_ << "builtin_help( " << senf::stringJoin(path, "/") << " )\n"; }
  73     };
  74 }
  75
  76 BOOST_AUTO_UNIT_TEST(commandGrammar)
  77 {
  78     senf::console::detail::CommandGrammar<TestParseDispatcher>::Context context;
  79     std::stringstream ss;
  80     TestParseDispatcher dispatcher (ss);
  81
  82     typedef senf::console::detail::CommandGrammar<TestParseDispatcher> Grammar;
  83     Grammar grammar (dispatcher, context);
  84
  85     {
  86         static char text[] =
  87             "# Comment\n"
  88             "doo / bii / doo arg"
  89             "                flab::blub"
  90             "                123.434>a"
  91             "                (a,b;c (huhu/{haha}))"
  92             "                \"foo\\\"bar\" #\n"
  93             "                x\"01 02 # Inner comment\n"
  94             "                   0304\";";
  95
  96         BOOST_CHECK( boost::spirit::parse(
  97                          text,
  98                          grammar.use_parser<Grammar::CommandParser>(),
  99                          grammar.use_parser<Grammar::SkipParser>() ) . full );
 100         BOOST_CHECK_EQUAL( ss.str(),
 101                            "beginCommand( Word('doo')/Word('bii')/Word('doo') )\n"
 102                            "pushToken( Word('arg') )\n"
 103                            "pushToken( Word('flab::blub') )\n"
 104                            "pushToken( Word('123.434>a') )\n"
 105                            "pushToken( ArgumentGroupOpen('(') )\n"
 106                            "pushToken( Word('a') )\n"
 107                            "pushToken( OtherPunctuation(',') )\n"
 108                            "pushToken( Word('b') )\n"
 109                            "pushToken( CommandTerminator(';') )\n"
 110                            "pushToken( Word('c') )\n"
 111                            "pushToken( ArgumentGroupOpen('(') )\n"
 112                            "pushToken( Word('huhu') )\n"
 113                            "pushToken( PathSeparator('/') )\n"
 114                            "pushToken( DirectoryGroupOpen('{') )\n"
 115                            "pushToken( Word('haha') )\n"
 116                            "pushToken( DirectoryGroupClose('}') )\n"
 117                            "pushToken( ArgumentGroupClose(')') )\n"
 118                            "pushToken( ArgumentGroupClose(')') )\n"
 119                            "pushToken( BasicString('foo\"bar') )\n"
 120                            "pushToken( HexString('\x01\x02\x03\x04') )\n"
 121                            "endCommand()\n" );
 122     }
 123
 124     {
 125         ss.str("");
 126         BOOST_CHECK( boost::spirit::parse(
 127                          "ls /foo/bar;",
 128                          grammar.use_parser<Grammar::CommandParser>(),
 129                          grammar.use_parser<Grammar::SkipParser>() ) . full );
 130         BOOST_CHECK_EQUAL( ss.str(), "builtin_ls( None('')/Word('foo')/Word('bar') )\n" );
 131     }
 132
 133     {
 134         ss.str("");
 135         BOOST_CHECK( boost::spirit::parse(
 136                          "cd /foo/bar;",
 137                          grammar.use_parser<Grammar::CommandParser>(),
 138                          grammar.use_parser<Grammar::SkipParser>() ) . full );
 139         BOOST_CHECK_EQUAL( ss.str(), "builtin_cd( None('')/Word('foo')/Word('bar') )\n" );
 140     }
 141
 142     {
 143         ss.str("");
 144         BOOST_CHECK( boost::spirit::parse(
 145                          "exit;",
 146                          grammar.use_parser<Grammar::CommandParser>(),
 147                          grammar.use_parser<Grammar::SkipParser>() ) . full );
 148         BOOST_CHECK_EQUAL( ss.str(), "builtin_exit()\n" );
 149     }
 150
 151     {
 152         ss.str("");
 153         BOOST_CHECK( boost::spirit::parse(
 154                          "foo/bar/ {",
 155                          grammar.use_parser<Grammar::CommandParser>(),
 156                          grammar.use_parser<Grammar::SkipParser>() ) . full );
 157         BOOST_CHECK_EQUAL( ss.str(),
 158                            "beginCommand( Word('foo')/Word('bar')/None('') )\n"
 159                            "pushDirectory()\n"
 160                            "endCommand()\n" );
 161     }
 162
 163     {
 164         ss.str("");
 165         BOOST_CHECK( boost::spirit::parse(
 166                          "}",
 167                          grammar.use_parser<Grammar::CommandParser>(),
 168                          grammar.use_parser<Grammar::SkipParser>() ) . full );
 169         BOOST_CHECK_EQUAL( ss.str(), "popDirectory()\n" );
 170     }
 171
 172     {
 173         ss.str("");
 174         BOOST_CHECK( boost::spirit::parse(
 175                          "help /foo/bar",
 176                          grammar.use_parser<Grammar::CommandParser>(),
 177                          grammar.use_parser<Grammar::SkipParser>() ) . full );
 178         BOOST_CHECK_EQUAL( ss.str(), "builtin_help( None('')/Word('foo')/Word('bar') )\n" );
 179     }
 180 }
 181
 182 namespace {
 183     std::vector<senf::console::ParseCommandInfo> commands;
 184     void setInfo(senf::console::ParseCommandInfo const & i)
 185     { commands.push_back(i); }
 186 }
 187
 188 BOOST_AUTO_UNIT_TEST(commandParser)
 189 {
 190     senf::console::CommandParser parser;
 191
 192     char const text[] =
 193         "# Comment\n"
 194         "doo / bii / doo arg"
 195         "                flab::blub"
 196         "                123.434>a"
 197         "                (a,b,c (huhu))"
 198         "                \"foo\\\"bar\" #\n"
 199         "                x\"01 02 # Inner comment\n"
 200         "                   0304\";"
 201         "ls /foo/bar; ";
 202
 203     BOOST_CHECK_NO_THROW( parser.parse(text, &setInfo) );
 204     BOOST_CHECK_EQUAL( commands.size(), 2u );
 205
 206     {
 207         senf::console::ParseCommandInfo const & info (commands.front());
 208
 209         senf::console::Token path[] = {
 210             senf::console::Token(senf::console::Token::Word, "doo"),
 211             senf::console::Token(senf::console::Token::Word, "bii"),
 212             senf::console::Token(senf::console::Token::Word, "doo")
 213         };
 214
 215         BOOST_CHECK_EQUAL_COLLECTIONS( info.commandPath().begin(), info.commandPath().end(),
 216                                        path, path + sizeof(path)/sizeof(path[0]) );
 217         BOOST_CHECK_EQUAL( unsigned(info.tokens().size()), 15u );
 218
 219         char const * tokens[] = { "arg",
 220                                   "flab::blub",
 221                                   "123.434>a",
 222                                   "(", "a", ",", "b", ",", "c", "(", "huhu", ")", ")",
 223                                   "foo\"bar",
 224                                   "\x01\x02\x03\x04" };
 225
 226         senf::console::ParseCommandInfo::argument_iterator args (info.arguments().begin());
 227         BOOST_REQUIRE( args != info.arguments().end() );
 228         BOOST_REQUIRE_EQUAL( unsigned(args->size()), 1u );
 229         BOOST_CHECK_EQUAL( args->begin()->value(), tokens[0] );
 230
 231         ++ args;
 232         BOOST_REQUIRE( args != info.arguments().end() );
 233         BOOST_REQUIRE_EQUAL( args->size(), 1u );
 234         BOOST_CHECK_EQUAL( args->begin()->value(), tokens[1] );
 235
 236         ++ args;
 237         BOOST_REQUIRE( args != info.arguments().end() );
 238         BOOST_REQUIRE_EQUAL( args->size(), 1u );
 239         BOOST_CHECK_EQUAL( args->begin()->value(), tokens[2] );
 240
 241         ++ args;
 242         BOOST_REQUIRE( args != info.arguments().end() );
 243         BOOST_REQUIRE_EQUAL( args->size(), 8u );
 244         for (unsigned i (0); i<8; ++i)
 245             BOOST_CHECK_EQUAL( args->begin()[i].value(), tokens[4+i] );
 246
 247         ++ args;
 248         BOOST_REQUIRE( args != info.arguments().end() );
 249         BOOST_REQUIRE_EQUAL( args->size(), 1u );
 250         BOOST_CHECK_EQUAL( args->begin()->value(), tokens[13] );
 251
 252         ++ args;
 253         BOOST_REQUIRE( args != info.arguments().end() );
 254         BOOST_REQUIRE_EQUAL( args->size(), 1u );
 255         BOOST_CHECK_EQUAL( args->begin()->value(), tokens[14] );
 256
 257         ++ args;
 258         BOOST_CHECK( args == info.arguments().end() );
 259     }
 260
 261     commands.clear();
 262 }
 263
 264 namespace {
 265     void parseArgs(senf::console::ParseCommandInfo::ArgumentsRange const & args)
 266     {
 267         senf::console::CheckedArgumentIteratorWrapper arg (args);
 268         senf::console::ParseCommandInfo::TokensRange arg1 (*(arg++));
 269         senf::console::ParseCommandInfo::TokensRange arg2 (*(arg++));
 270     }
 271 }
 272
 273 BOOST_AUTO_UNIT_TEST(checkedArgumentIterator)
 274 {
 275     senf::console::CommandParser parser;
 276
 277     BOOST_CHECK_NO_THROW( parser.parse("foo a", &setInfo) );
 278     BOOST_CHECK_THROW( parseArgs(commands.back().arguments()),
 279                        senf::console::SyntaxErrorException );
 280
 281     BOOST_CHECK_NO_THROW( parser.parse("foo a b", &setInfo) );
 282     BOOST_CHECK_NO_THROW( parseArgs(commands.back().arguments()) );
 283
 284     BOOST_CHECK_NO_THROW( parser.parse("foo a b c", &setInfo) );
 285     BOOST_CHECK_THROW( parseArgs(commands.back().arguments()),
 286                        senf::console::SyntaxErrorException );
 287
 288     senf::console::CheckedArgumentIteratorWrapper arg (commands.back().arguments());
 289     BOOST_CHECK( arg == commands.back().arguments().begin() );
 290     BOOST_CHECK( arg != commands.back().arguments().end() );
 291     BOOST_CHECK( arg );
 292     ++ arg;
 293     BOOST_CHECK( arg );
 294     arg.clear();
 295     BOOST_CHECK( arg.done() );
 296
 297     senf::console::ParseCommandInfo::ArgumentIterator i (arg);
 298     BOOST_CHECK( i == commands.back().arguments().end() );
 299
 300     commands.clear();
 301 }
 302
 303 BOOST_AUTO_UNIT_TEST(parseIncremental)
 304 {
 305     senf::console::CommandParser parser;
 306
 307     BOOST_CHECK_EQUAL( parser.parseIncremental("foo a", &setInfo), 0u );
 308     BOOST_CHECK_EQUAL( parser.parseIncremental("foo a; cd", &setInfo), 7u );
 309     BOOST_CHECK_EQUAL( parser.parseIncremental("foo a; cd /bar", &setInfo), 7u );
 310     BOOST_CHECK_EQUAL( parser.parseIncremental("foo a; cd /bar; ", &setInfo), 16u );
 311     BOOST_CHECK_EQUAL( parser.parseIncremental(" ", &setInfo), 1u );
 312     BOOST_CHECK_EQUAL( commands.size(), 4u );
 313
 314     commands.clear();
 315 }
 316
 317 namespace {
 318     std::string parseErrorMessage(std::string const & msg)
 319     {
 320         std::string::size_type i (msg.find("-- \n"));
 321         return i == std::string::npos ? msg : msg.substr(i+4);
 322     }
 323 }
 324
 325 BOOST_AUTO_UNIT_TEST(parseExceptions)
 326 {
 327     senf::console::CommandParser parser;
 328     std::string msg;
 329
 330 #   define CheckParseEx(c, e)                                                                     \
 331         commands.clear();                                                                         \
 332         msg.clear();                                                                              \
 333         try { parser.parse(c, &setInfo); }                                                        \
 334         catch (std::exception & ex) { msg = parseErrorMessage(ex.what()); }                       \
 335         BOOST_CHECK_EQUAL( msg, e )
 336
 337     CheckParseEx( "/foo/bar;\n  ()", "path expected\nat <unknown>:2:3" );
 338     CheckParseEx( "cd /foo/bar foo/bar", "end of statement expected\nat <unknown>:1:13" );
 339     CheckParseEx( "/foo/bar foo /", "end of statement expected\nat <unknown>:1:14" );
 340     CheckParseEx( "cd \"foo\"", "path expected\nat <unknown>:1:4" );
 341     CheckParseEx( "/foo/bar \"string", "'\"' expected\nat <unknown>:1:17" );
 342     CheckParseEx( "/foo/bar x\"hi\"", "'\"' expected\nat <unknown>:1:12" );
 343     CheckParseEx( "/foo/bar (", "')' expected\nat <unknown>:1:11" );
 344 }
 345
 346 ///////////////////////////////cc.e////////////////////////////////////////
 347 #undef prefix_
 348
 349 \f
 350 // Local Variables:
 351 // mode: c++
 352 // fill-column: 100
 353 // comment-column: 40
 354 // c-file-style: "senf"
 355 // indent-tabs-mode: nil
 356 // ispell-local-dictionary: "american"
 357 // compile-command: "scons -u test"
 358 // End: