freebsd-skq/contrib/atf/atf-c++/config_test.cpp
marcel aeee2a3118 Merge ATF 0.16 from vendor/atf/dist.
Provenance: http://code.google.com/p/kyua
Discussed with: gibbs, gnn, keramida, mdf, mlaier,
Discussed with: Garrett Cooper
2012-09-04 23:16:58 +00:00

232 lines
7.3 KiB
C++

//
// Automated Testing Framework (atf)
//
// Copyright (c) 2007 The NetBSD Foundation, Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. 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.
//
// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <cstring>
#include <iostream>
#include "config.hpp"
#include "macros.hpp"
#include "detail/env.hpp"
#include "detail/exceptions.hpp"
#include "detail/test_helpers.hpp"
static const char *test_value = "env-value";
static struct varnames {
const char *lc;
const char *uc;
bool can_be_empty;
} all_vars[] = {
{ "atf_arch", "ATF_ARCH", false },
{ "atf_build_cc", "ATF_BUILD_CC", false },
{ "atf_build_cflags", "ATF_BUILD_CFLAGS", true },
{ "atf_build_cpp", "ATF_BUILD_CPP", false },
{ "atf_build_cppflags", "ATF_BUILD_CPPFLAGS", true },
{ "atf_build_cxx", "ATF_BUILD_CXX", false },
{ "atf_build_cxxflags", "ATF_BUILD_CXXFLAGS", true },
{ "atf_confdir", "ATF_CONFDIR", false },
{ "atf_includedir", "ATF_INCLUDEDIR", false },
{ "atf_libdir", "ATF_LIBDIR", false },
{ "atf_libexecdir", "ATF_LIBEXECDIR", false },
{ "atf_machine", "ATF_MACHINE", false },
{ "atf_pkgdatadir", "ATF_PKGDATADIR", false },
{ "atf_shell", "ATF_SHELL", false },
{ "atf_workdir", "ATF_WORKDIR", false },
{ NULL, NULL, false }
};
// ------------------------------------------------------------------------
// Auxiliary functions.
// ------------------------------------------------------------------------
namespace atf {
namespace config {
void __reinit(void);
}
}
static
void
set_env_var(const char* name, const char* val)
{
try {
atf::env::set(name, val);
} catch (const atf::system_error&) {
ATF_FAIL(std::string("set_env_var(") + name + ", " + val +
") failed");
}
}
static
void
unset_env_var(const char* name)
{
try {
atf::env::unset(name);
} catch (const atf::system_error&) {
ATF_FAIL(std::string("unset_env_var(") + name + ") failed");
}
}
static
size_t
all_vars_count(void)
{
size_t count = 0;
for (const struct varnames* v = all_vars; v->lc != NULL; v++)
count++;
return count;
}
static
void
unset_all(void)
{
for (const struct varnames* v = all_vars; v->lc != NULL; v++)
unset_env_var(v->uc);
}
static
void
compare_one(const char* var, const char* expvalue)
{
std::cout << "Checking that " << var << " is set to " << expvalue << "\n";
for (const struct varnames* v = all_vars; v->lc != NULL; v++) {
if (std::strcmp(v->lc, var) == 0)
ATF_REQUIRE_EQ(atf::config::get(v->lc), test_value);
else
ATF_REQUIRE(atf::config::get(v->lc) != test_value);
}
}
// ------------------------------------------------------------------------
// Test cases for the free functions.
// ------------------------------------------------------------------------
ATF_TEST_CASE(get);
ATF_TEST_CASE_HEAD(get)
{
set_md_var("descr", "Tests the config::get function");
}
ATF_TEST_CASE_BODY(get)
{
// Unset all known environment variables and make sure the built-in
// values do not match the bogus value we will use for testing.
unset_all();
atf::config::__reinit();
for (const struct varnames* v = all_vars; v->lc != NULL; v++)
ATF_REQUIRE(atf::config::get(v->lc) != test_value);
// Test the behavior of empty values.
for (const struct varnames* v = all_vars; v->lc != NULL; v++) {
unset_all();
if (!atf::config::get(v->lc).empty()) {
set_env_var(v->uc, "");
atf::config::__reinit();
if (v->can_be_empty)
ATF_REQUIRE(atf::config::get(v->lc).empty());
else
ATF_REQUIRE(!atf::config::get(v->lc).empty());
}
}
// Check if the ATF_ARCH variable is recognized.
for (const struct varnames* v = all_vars; v->lc != NULL; v++) {
unset_all();
set_env_var(v->uc, test_value);
atf::config::__reinit();
compare_one(v->lc, test_value);
}
}
ATF_TEST_CASE(get_all);
ATF_TEST_CASE_HEAD(get_all)
{
set_md_var("descr", "Tests the config::get_all function");
}
ATF_TEST_CASE_BODY(get_all)
{
atf::config::__reinit();
// Check that the valid variables, and only those, are returned.
std::map< std::string, std::string > vars = atf::config::get_all();
ATF_REQUIRE_EQ(vars.size(), all_vars_count());
for (const struct varnames* v = all_vars; v->lc != NULL; v++)
ATF_REQUIRE(vars.find(v->lc) != vars.end());
}
ATF_TEST_CASE(has);
ATF_TEST_CASE_HEAD(has)
{
set_md_var("descr", "Tests the config::has function");
}
ATF_TEST_CASE_BODY(has)
{
atf::config::__reinit();
// Check for all the variables that must exist.
for (const struct varnames* v = all_vars; v->lc != NULL; v++)
ATF_REQUIRE(atf::config::has(v->lc));
// Same as above, but using uppercase (which is incorrect).
for (const struct varnames* v = all_vars; v->lc != NULL; v++)
ATF_REQUIRE(!atf::config::has(v->uc));
// Check for some other variables that cannot exist.
ATF_REQUIRE(!atf::config::has("foo"));
ATF_REQUIRE(!atf::config::has("BAR"));
ATF_REQUIRE(!atf::config::has("atf_foo"));
ATF_REQUIRE(!atf::config::has("ATF_BAR"));
ATF_REQUIRE(!atf::config::has("atf_shel"));
ATF_REQUIRE(!atf::config::has("atf_shells"));
}
// ------------------------------------------------------------------------
// Tests cases for the header file.
// ------------------------------------------------------------------------
HEADER_TC(include, "atf-c++/config.hpp");
// ------------------------------------------------------------------------
// Main.
// ------------------------------------------------------------------------
ATF_INIT_TEST_CASES(tcs)
{
// Add the test cases for the free functions.
ATF_ADD_TEST_CASE(tcs, has);
ATF_ADD_TEST_CASE(tcs, get);
ATF_ADD_TEST_CASE(tcs, get_all);
// Add the test cases for the header file.
ATF_ADD_TEST_CASE(tcs, include);
}