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#include <library/cpp/testing/gtest/gtest.h>
#include <library/cpp/yt/system/env.h>
#include <library/cpp/yt/misc/guid.h>
#include <library/cpp/yt/string/format.h>
#include <util/generic/scope.h>
#include <util/system/env.h>
namespace NYT {
namespace {
////////////////////////////////////////////////////////////////////////////////
TEST(TParseEnvironNameValuePairTest, NonNull)
{
auto pair = ParseEnvironNameValuePair("var=value");
EXPECT_EQ(pair.first, "var");
EXPECT_EQ(pair.second, "value");
}
TEST(TParseEnvironNameValuePairTest, Null)
{
auto pair = ParseEnvironNameValuePair("some");
EXPECT_EQ(pair.first, "some");
EXPECT_EQ(pair.second, std::nullopt);
}
////////////////////////////////////////////////////////////////////////////////
#if defined(_linux_) || defined(_darwin_)
TEST(TGetEnvironNameValuePairsTest, Simple)
{
auto key = Format("var%v", TGuid::Create());
auto value = TString("value");
auto pair = Format("%v=%v", key, value);
SetEnv(key, value);
auto pairs = GetEnvironNameValuePairs();
EXPECT_TRUE(std::ranges::find(pairs, pair) != pairs.end());
UnsetEnv(key);
}
TEST(TGetEnvValueOrThrowTest, Typed)
{
auto key = Format("var%v", TGuid::Create());
SetEnv(key, "42");
Y_DEFER {
UnsetEnv(key);
};
EXPECT_EQ(GetEnvValueOrThrow<int>(key), 42);
EXPECT_EQ(GetEnvValueOrThrow(key), "42");
}
TEST(TGetEnvValueOrThrowTest, Missing)
{
auto key = Format("var%v", TGuid::Create());
EXPECT_THROW(GetEnvValueOrThrow<int>(key), std::exception);
}
TEST(TGetEnvValueOrThrowTest, Unparseable)
{
auto key = Format("var%v", TGuid::Create());
SetEnv(key, "not-a-number");
Y_DEFER {
UnsetEnv(key);
};
EXPECT_THROW(GetEnvValueOrThrow<int>(key), std::exception);
}
#endif
////////////////////////////////////////////////////////////////////////////////
} // namespace
} // namespace NYT
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