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/* Copyright (C) 2012-2024 by László Nagy
This file is part of Bear.
Bear is a tool to generate compilation database for clang tooling.
Bear is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bear 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, see <http://www.gnu.org/licenses/>.
*/
#include "gtest/gtest.h"
#include "libsys/Environment.h"
#include "Guard.h"
namespace {
TEST(environment, nullptr_to_empty_map)
{
auto result = sys::env::from(nullptr);
EXPECT_TRUE(result.empty());
}
TEST(environment, non_nullptr_to_non_empty_map)
{
const char* envp[] = {
"sky=blue",
nullptr
};
auto result = sys::env::from(envp);
EXPECT_FALSE(result.empty());
EXPECT_EQ("blue", result["sky"]);
}
TEST(environment, missing_value_does_not_crash)
{
const char* envp[] = {
"only_key",
nullptr
};
auto result = sys::env::from(envp);
EXPECT_FALSE(result.empty());
EXPECT_EQ("", result["only_key"]);
}
TEST(environment, missing_value_with_assign_does_not_crash)
{
const char* envp[] = {
"only_key=",
nullptr
};
auto result = sys::env::from(envp);
EXPECT_FALSE(result.empty());
EXPECT_EQ("", result["only_key"]);
}
TEST(environment, empty_value_does_not_crash)
{
const char* envp[] = {
"",
nullptr
};
auto result = sys::env::from(envp);
EXPECT_FALSE(result.empty());
EXPECT_EQ("", result[""]);
}
TEST(environment, empty_value_with_assign_does_not_crash)
{
const char* envp[] = {
"=",
nullptr
};
auto result = sys::env::from(envp);
EXPECT_FALSE(result.empty());
EXPECT_EQ("", result[""]);
}
TEST(environment, empty_map_creates_empty_array)
{
const std::map<std::string, std::string> input = {};
const sys::env::Guard sut(input);
EXPECT_TRUE(sut.data() != nullptr);
EXPECT_TRUE(sut.data()[0] == nullptr);
}
TEST(environment, non_empty_map_creates_array)
{
const std::map<std::string, std::string> input = {
{ "grass", "green" },
{ "sky", "blue" } };
const sys::env::Guard sut(input);
EXPECT_TRUE(sut.data() != nullptr);
EXPECT_STREQ(sut.data()[0], "grass=green");
EXPECT_STREQ(sut.data()[1], "sky=blue");
EXPECT_TRUE(sut.data()[2] == nullptr);
}
}
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