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/*
* Copyright (C) 2015 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "cxxtools/envsubst.h"
#include "cxxtools/unit/testsuite.h"
#include "cxxtools/unit/registertest.h"
#include <stdlib.h>
#include <assert.h>
class EnvSubstTest : public cxxtools::unit::TestSuite
{
public:
EnvSubstTest()
: cxxtools::unit::TestSuite("envsubst")
{
registerMethod("testSimple", *this, &EnvSubstTest::testSimple);
registerMethod("testSimpleEnvVar", *this, &EnvSubstTest::testSimpleEnvVar);
registerMethod("testBracketedEnvVar", *this, &EnvSubstTest::testBracketedEnvVar);
registerMethod("testUnsetEnvVar", *this, &EnvSubstTest::testUnsetEnvVar);
registerMethod("testEsc", *this, &EnvSubstTest::testEsc);
registerMethod("testPlainEsc", *this, &EnvSubstTest::testPlainEsc);
registerMethod("testUseDefvalue", *this, &EnvSubstTest::testUseDefvalue);
registerMethod("testSkipDefvalue", *this, &EnvSubstTest::testSkipDefvalue);
registerMethod("testUseOtherVar", *this, &EnvSubstTest::testUseOtherVar);
registerMethod("testUseOtherBVar", *this, &EnvSubstTest::testUseOtherBVar);
}
void testSimple()
{
std::string value = "abc def foobar";
std::string exvalue = cxxtools::envSubst(value);
CXXTOOLS_UNIT_ASSERT_EQUALS(value, exvalue);
}
void testSimpleEnvVar()
{
std::string value = "abc $USER def foobar";
std::string exvalue = cxxtools::envSubst(value);
const char* user = getenv("USER");
assert(user != 0);
std::string expected = "abc ";
expected += user;
expected += " def foobar";
CXXTOOLS_UNIT_ASSERT_EQUALS(exvalue, expected);
}
void testBracketedEnvVar()
{
std::string value = "abc ${USER}def foobar";
std::string exvalue = cxxtools::envSubst(value);
const char* user = getenv("USER");
assert(user != 0);
std::string expected = "abc ";
expected += user;
expected += "def foobar";
CXXTOOLS_UNIT_ASSERT_EQUALS(exvalue, expected);
}
void testUnsetEnvVar()
{
std::string value = "abc $UNSET_VAR def foobar";
std::string exvalue = cxxtools::envSubst(value);
const char* unsetVar = getenv("UNSET_VAR");
assert(unsetVar == 0);
CXXTOOLS_UNIT_ASSERT_EQUALS(exvalue, "abc def foobar");
}
void testEsc()
{
std::string value = "abc \\$USER def foobar";
std::string exvalue = cxxtools::envSubst(value);
const char* user = getenv("USER");
assert(user != 0);
std::string expected = "abc $USER def foobar";
CXXTOOLS_UNIT_ASSERT_EQUALS(exvalue, expected);
}
void testPlainEsc()
{
{
std::string value = "\\";
std::string exvalue = cxxtools::envSubst(value);
std::string expected = "\\";
CXXTOOLS_UNIT_ASSERT_EQUALS(exvalue, expected);
}
{
std::string value = "\\ t";
std::string exvalue = cxxtools::envSubst(value);
std::string expected = "\\ t";
CXXTOOLS_UNIT_ASSERT_EQUALS(exvalue, expected);
}
}
void testUseDefvalue()
{
std::string value = "abc ${UNSET_VAR:-no user} def foobar";
std::string exvalue = cxxtools::envSubst(value);
const char* unsetVar = getenv("UNSET_VAR");
assert(unsetVar == 0);
std::string expected = "abc no user def foobar";
CXXTOOLS_UNIT_ASSERT_EQUALS(exvalue, expected);
}
void testSkipDefvalue()
{
std::string value = "abc ${USER:-no user}def foobar";
std::string exvalue = cxxtools::envSubst(value);
const char* user = getenv("USER");
assert(user != 0);
std::string expected = "abc ";
expected += user;
expected += "def foobar";
CXXTOOLS_UNIT_ASSERT_EQUALS(exvalue, expected);
}
void testUseOtherVar()
{
std::string value = "abc ${UNSET_VAR:-$USER} foobar";
std::string exvalue = cxxtools::envSubst(value);
const char* unsetVar = getenv("UNSET_VAR");
assert(unsetVar == 0);
const char* user = getenv("USER");
assert(user != 0);
std::string expected = "abc ";
expected += user;
expected += " foobar";
CXXTOOLS_UNIT_ASSERT_EQUALS(exvalue, expected);
}
void testUseOtherBVar()
{
std::string value = "abc ${UNSET_VAR:-${USER}} foobar";
std::string exvalue = cxxtools::envSubst(value);
const char* unsetVar = getenv("UNSET_VAR");
assert(unsetVar == 0);
const char* user = getenv("USER");
assert(user != 0);
std::string expected = "abc ";
expected += user;
expected += " foobar";
CXXTOOLS_UNIT_ASSERT_EQUALS(exvalue, expected);
}
};
cxxtools::unit::RegisterTest<EnvSubstTest> register_EnvSubstTest;
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