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#include <yt/cpp/mapreduce/io/node_table_reader.h>
#include <library/cpp/testing/gtest/gtest.h>
using namespace NYT;
////////////////////////////////////////////////////////////////////
class TStringRawTableReader
: public TRawTableReader
{
public:
TStringRawTableReader(const TString& string)
: String_(string)
, Stream_(String_)
{ }
bool Retry(const TMaybe<ui32>&, const TMaybe<ui64>&, const std::exception_ptr&) override
{
return false;
}
void ResetRetries() override
{ }
bool HasRangeIndices() const override
{
return false;
}
private:
size_t DoRead(void* buf, size_t len) override
{
return Stream_.Read(buf, len);
}
private:
const TString String_;
TStringStream Stream_;
};
////////////////////////////////////////////////////////////////////
class TEndOfStreamTest
: public ::testing::TestWithParam<bool>
{ };
TEST_P(TEndOfStreamTest, Eos)
{
bool addEos = GetParam();
auto proxy = ::MakeIntrusive<TStringRawTableReader>(TString::Join(
"{a=13;b = \"string\"}; {c = {d=12}};",
"<key_switch=%true>#; {e = 42};",
addEos ? "<end_of_stream=%true>#" : ""
));
TNodeTableReader reader(proxy);
TVector<TNode> expectedRows = {TNode()("a", 13)("b", "string"), TNode()("c", TNode()("d", 12))};
for (const auto& expectedRow : expectedRows) {
EXPECT_TRUE(reader.IsValid());
EXPECT_TRUE(!reader.IsEndOfStream());
EXPECT_TRUE(!reader.IsRawReaderExhausted());
EXPECT_EQ(reader.GetRow(), expectedRow);
reader.Next();
}
EXPECT_TRUE(!reader.IsValid());
EXPECT_TRUE(!reader.IsEndOfStream());
EXPECT_TRUE(!reader.IsRawReaderExhausted());
reader.NextKey();
reader.Next();
expectedRows = {TNode()("e", 42)};
for (const auto& expectedRow : expectedRows) {
EXPECT_TRUE(reader.IsValid());
EXPECT_TRUE(!reader.IsEndOfStream());
EXPECT_TRUE(!reader.IsRawReaderExhausted());
EXPECT_EQ(reader.GetRow(), expectedRow);
reader.Next();
}
EXPECT_TRUE(!reader.IsValid());
if (addEos) {
EXPECT_TRUE(reader.IsEndOfStream());
} else {
EXPECT_TRUE(!reader.IsEndOfStream());
}
EXPECT_TRUE(reader.IsRawReaderExhausted());
}
INSTANTIATE_TEST_SUITE_P(WithEos, TEndOfStreamTest, ::testing::Values(true));
INSTANTIATE_TEST_SUITE_P(WithoutEos, TEndOfStreamTest, ::testing::Values(false));
////////////////////////////////////////////////////////////////////
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