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/*
* This file is part of KDevelop
*
* Copyright 2015 Artur Puzio <cytadela88@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "test_environment.h"
#include "util/environmentprofilelist.h"
#include <QTest>
#include <QProcessEnvironment>
QTEST_MAIN(TestEnvironment)
using ProcEnv = QMap<QString, QString>;
void TestEnvironment::testExpandVariables_data()
{
QTest::addColumn<ProcEnv>("env");
QTest::addColumn<ProcEnv>("expectedEnv");
QTest::newRow("no variables") << ProcEnv({}) << ProcEnv({});
QTest::newRow("simple variables") << ProcEnv{
{"VAR1", "data"},
{"Var2", "some other data"}
} << ProcEnv({
{"VAR1", "data"},
{"Var2", "some other data"}
});
QTest::newRow("PATH append and prepend") << ProcEnv({
{"PATH", "/home/usr/bin:$PATH:/home/user/folder"}
}) << ProcEnv({
{"PATH", "/home/usr/bin:/bin:/usr/bin:/home/user/folder"}
});
QTest::newRow("\\$VAR") << ProcEnv({
{"MY_VAR", "\\$PATH something \\$HOME"}
}) << ProcEnv({
{"MY_VAR", "$PATH something $HOME"}
});
QTest::newRow("spaces, \\$VAR after $VAR") << ProcEnv({
{"MY_VAR", "$PATH:$HOME something \\$HOME"}
}) << ProcEnv({
{"MY_VAR", "/bin:/usr/bin:/home/tom something $HOME"}
});
QTest::newRow("VAR2=$VAR1") << ProcEnv({
{"VAR1", "/some/path"}, {"VAR2", "$VAR1"}
}) << ProcEnv({
{"VAR1", "/some/path"}, {"VAR2", "/some/path"}
});
QTest::newRow("expanding with not yet expanded variable") << ProcEnv({
{"VAR1", "$VAR2"}, {"VAR2", "$PATH"}
}) << ProcEnv({
{"VAR1", "/bin:/usr/bin"}, {"VAR2", "/bin:/usr/bin"}
});
QTest::newRow("adding to a variable not in the environment") << ProcEnv({
{"VAR1", "data:$VAR1"}
}) << ProcEnv({
{"VAR1", "data:"}
});
QTest::newRow("cycle") << ProcEnv({
{"VAR1", "$VAR2"},
{"VAR2", "/usr/$VAR2"}
}) << ProcEnv({
{"VAR1", "/usr/"},
{"VAR2", "/usr/"}
});
QTest::newRow("order") << ProcEnv({
{"VAR1", "$VAR3"},
{"VAR2", "foo"},
{"VAR3", "$VAR2"},
}) << ProcEnv({
{"VAR1", "foo"},
{"VAR2", "foo"},
{"VAR3", "foo"},
});
QTest::newRow("escaped backslash before dollar") << ProcEnv({
{"var1", "\\\\$var2"},
{"var2", "x"},
}) << ProcEnv({
{"var1", "\\x"},
{"var2", "x"},
});
QTest::newRow("non-escaping backslashes") << ProcEnv({
{"var1", "\\abc\\def\\"},
}) << ProcEnv({
{"var1", "\\abc\\def\\"},
});
QTest::newRow("verbatim dollars") << ProcEnv({
{"var1", "a\\$b$.$\\c$"},
}) << ProcEnv({
{"var1", "a$b$.$\\c$"},
});
QTest::newRow("expansion priority") << ProcEnv({
{"A", "$PATH"},
{"HOME", "my$HOME"},
{"PATH", "."},
{"X", "$A$HOME$Z"},
{"Z", "-$PATH+"},
}) << ProcEnv({
{"A", "/bin:/usr/bin"},
{"HOME", "my/home/tom"},
{"PATH", "."},
{"X", "/bin:/usr/bin/home/tom-/bin:/usr/bin+"},
{"Z", "-/bin:/usr/bin+"},
});
QTest::newRow("braced variable") << ProcEnv({
{"u", "${PATH}"},
}) << ProcEnv({
{"u", "/bin:/usr/bin"},
});
QTest::newRow("braced variables") << ProcEnv({
{"u", "${PATH}${vw}"},
{"vw", "${MISSING_VAR}/w"},
}) << ProcEnv({
{"u", "/bin:/usr/bin/w"},
{"vw", "/w"},
});
QTest::newRow("braced non-variables") << ProcEnv({
{"u", "\\${PATH}${v.w}{u}"},
{"w", "$ {PATH}/${:} {}-${} ${2}"},
}) << ProcEnv({
{"u", "${PATH}${v.w}{u}"},
{"w", "$ {PATH}/${:} {}-${} ${2}"},
});
// The mutual recursion tests below process unreasonable input. The purpose
// of these tests is to verify that KDevelop does not crash or hang with
// such input. The actual results are unimportant.
QTest::newRow("mutual recursion") << ProcEnv({
{"VAR1", "$VAR2"},
{"VAR2", "$VAR1"},
}) << ProcEnv({
{"VAR1", ""},
{"VAR2", ""},
});
QTest::newRow("mutual recursion - prefix") << ProcEnv({
{"VAR1", "/bin/$VAR2"},
{"VAR2", "/usr/$VAR1"},
}) << ProcEnv({
{"VAR1", "/bin//usr//bin/"},
{"VAR2", "/usr//bin/"},
});
QTest::newRow("mutual recursion - suffix") << ProcEnv({
{"VAR1", "$VAR2/"},
{"VAR2", "$VAR1."},
}) << ProcEnv({
{"VAR1", "./"},
{"VAR2", "."},
});
QTest::newRow("mutual recursion - middle") << ProcEnv({
{"VAR1", "a$VAR2."},
{"VAR2", "b$VAR1,"},
}) << ProcEnv({
{"VAR1", "aba,."},
{"VAR2", "ba,"},
});
QTest::newRow("3-way recursion") << ProcEnv({
{"a", "1$b-2"},
{"b", "3$c-4"},
{"c", "5$a-6"},
}) << ProcEnv({
{"a", "1351-6-4-2"},
{"b", "351-6-4"},
{"c", "51-6"},
});
}
void TestEnvironment::testExpandVariables()
{
QFETCH(ProcEnv, env);
QFETCH(ProcEnv, expectedEnv);
QProcessEnvironment fakeSysEnv;
fakeSysEnv.insert(QStringLiteral("PATH"), QStringLiteral("/bin:/usr/bin"));
fakeSysEnv.insert(QStringLiteral("HOME"), QStringLiteral("/home/tom"));
KDevelop::expandVariables(env, fakeSysEnv);
for (auto it = expectedEnv.cbegin(); it != expectedEnv.cend(); ++it) {
QCOMPARE(env.value(it.key()), it.value());
}
}
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