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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/environment.h"
#include <memory>
#include <optional>
#include "build/build_config.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
typedef PlatformTest EnvironmentTest;
namespace base {
namespace {
// PATH env variable is not set on Fuchsia by default, while PWD is not set on
// Windows.
#if BUILDFLAG(IS_FUCHSIA)
constexpr char kValidEnvironmentVariable[] = "PWD";
#else
constexpr char kValidEnvironmentVariable[] = "PATH";
#endif
} // namespace
TEST_F(EnvironmentTest, GetVar) {
std::unique_ptr<Environment> env(Environment::Create());
std::optional<std::string> env_value = env->GetVar(kValidEnvironmentVariable);
EXPECT_THAT(env_value, testing::Optional(testing::Not(testing::IsEmpty())));
}
TEST_F(EnvironmentTest, GetVarReverse) {
std::unique_ptr<Environment> env(Environment::Create());
const char kFooUpper[] = "FOO";
const char kFooLower[] = "foo";
// Set a variable in UPPER case.
EXPECT_TRUE(env->SetVar(kFooUpper, kFooLower));
// And then try to get this variable passing the lower case.
EXPECT_THAT(env->GetVar(kFooLower),
testing::Optional(testing::Eq(kFooLower)));
EXPECT_TRUE(env->UnSetVar(kFooUpper));
const char kBar[] = "bar";
// Now do the opposite, set the variable in the lower case.
EXPECT_TRUE(env->SetVar(kFooLower, kBar));
// And then try to get this variable passing the UPPER case.
EXPECT_THAT(env->GetVar(kFooUpper), testing::Optional(testing::Eq(kBar)));
EXPECT_TRUE(env->UnSetVar(kFooLower));
}
TEST_F(EnvironmentTest, HasVar) {
std::unique_ptr<Environment> env(Environment::Create());
EXPECT_TRUE(env->HasVar(kValidEnvironmentVariable));
}
TEST_F(EnvironmentTest, SetVar) {
std::unique_ptr<Environment> env(Environment::Create());
const char kFooUpper[] = "FOO";
const char kFooLower[] = "foo";
EXPECT_TRUE(env->SetVar(kFooUpper, kFooLower));
// Now verify that the environment has the new variable.
EXPECT_TRUE(env->HasVar(kFooUpper));
EXPECT_THAT(env->GetVar(kFooUpper),
testing::Optional(testing::Eq(kFooLower)));
}
TEST_F(EnvironmentTest, UnSetVar) {
std::unique_ptr<Environment> env(Environment::Create());
const char kFooUpper[] = "FOO";
const char kFooLower[] = "foo";
// First set some environment variable.
EXPECT_TRUE(env->SetVar(kFooUpper, kFooLower));
// Now verify that the environment has the new variable.
EXPECT_TRUE(env->HasVar(kFooUpper));
// Finally verify that the environment variable was erased.
EXPECT_TRUE(env->UnSetVar(kFooUpper));
// And check that the variable has been unset.
EXPECT_FALSE(env->HasVar(kFooUpper));
}
} // namespace base
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