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#include "md5_stream.h"
#include <util/stream/input.h>
#include <util/stream/str.h>
#include <library/cpp/testing/unittest/registar.h>
using namespace NYql;
namespace {
TString Consume(const TString& input) {
TStringInput s(input);
TString output;
TStringOutput outputStream(output);
TMd5OutputStream md5Stream(outputStream);
UNIT_ASSERT_VALUES_EQUAL(input.size(), TransferData(&s, &md5Stream));
UNIT_ASSERT_VALUES_EQUAL(input, output);
return md5Stream.Finalize();
}
} // namespace
Y_UNIT_TEST_SUITE(TStreamMd5Tests) {
Y_UNIT_TEST(Empty) {
const auto md5 = Consume("");
const TString emptyStringMd5 = "d41d8cd98f00b204e9800998ecf8427e";
UNIT_ASSERT_VALUES_EQUAL(md5, emptyStringMd5);
}
Y_UNIT_TEST(ShortText) {
const auto md5 = Consume("hello from Y!");
const TString expectedMd5 = "abf59ed7b0daa71085e76e461a737cc2";
UNIT_ASSERT_VALUES_EQUAL(md5, expectedMd5);
}
Y_UNIT_TEST(BigText) {
// TransferData uses TempBuf of 64K
const TString s(1000000, 'A');
const auto md5 = Consume(s.c_str());
/*
$ for i in {1..1000000};do echo -n A >> 1M.txt;done
$ md5sum 1M.txt
48fcdb8b87ce8ef779774199a856091d 1M.txt
*/
const TString expectedMd5 = "48fcdb8b87ce8ef779774199a856091d";
UNIT_ASSERT_VALUES_EQUAL(md5, expectedMd5);
}
} // Y_UNIT_TEST_SUITE(TStreamMd5Tests)
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