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#include "yql_csv.h"
#include <yql/essentials/core/ut_common/yql_ut_common.h>
#include <library/cpp/testing/unittest/registar.h>
#include <util/stream/mem.h>
using namespace NYql;
using namespace NUtils;
TVector<TString> ReadOneLineCsv(const TString& csv)
{
TMemoryInput memIn(csv);
TCsvInputStream in(memIn);
return in.ReadLine();
}
TVector<TString> ReadOneLineCsvData(const TStringBuf& csvdata)
{
TCsvInputBuffer in(csvdata);
return in.ReadLine();
}
template<typename T>
TString WriteCsv(T&& functor) {
TStringStream ss;
TCsvOutputStream out(ss);
functor(out);
return ss.Str();
}
Y_UNIT_TEST_SUITE(TYqlUtils) {
Y_UNIT_TEST(CsvReadTest) {
{
TVector<TString> columns = ReadOneLineCsv("");
UNIT_ASSERT_EQUAL(columns.size(), 0);
}
{
TVector<TString> columns = ReadOneLineCsv("\"\"");
UNIT_ASSERT_EQUAL(columns.size(), 1);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "");
}
{
TVector<TString> columns = ReadOneLineCsv("one");
UNIT_ASSERT_EQUAL(columns.size(), 1);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
}
{
TVector<TString> columns = ReadOneLineCsv("\"one\"");
UNIT_ASSERT_EQUAL(columns.size(), 1);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
}
{
TVector<TString> columns = ReadOneLineCsv("one;two;three");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsv("\"one\";\"two\";\"three\"");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsv("\"one\";two;three");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsv("one;\"two\";three");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsv("one;two;\"three\"");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsv(";two;three");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsv("one;two;");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "");
}
{
TVector<TString> columns = ReadOneLineCsv(";");
UNIT_ASSERT_EQUAL(columns.size(), 2);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "");
}
{
TVector<TString> columns = ReadOneLineCsv("\"\";");
UNIT_ASSERT_EQUAL(columns.size(), 2);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "");
}
{
TVector<TString> columns = ReadOneLineCsv(";\"\"");
UNIT_ASSERT_EQUAL(columns.size(), 2);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "");
}
{
TVector<TString> columns = ReadOneLineCsv("\"ab;cd\"");
UNIT_ASSERT_EQUAL(columns.size(), 1);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "ab;cd");
}
{
TVector<TString> columns = ReadOneLineCsv(
"\\\";"
"\"\\\"\";"
"\\\"\\\";"
"\"\\\"\\\"\";"
"\\\"\\\"\\\"\\\";"
"\"\\\"\\\"\\\"\\\"\";"
"\\\\\";"
"\"\\\\\"\";"
"\\\\\"\\\\\";"
"\"\\\\\"\\\\\"\";"
"\\\\\"\\\\\"\\\\\"\\\\\";"
"\"\\\\\"\\\\\"\\\\\"\\\\\"\"");
UNIT_ASSERT_EQUAL(columns.size(), 12);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "\"\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[3], "\"\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[4], "\"\"\"\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[5], "\"\"\"\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[6], "\\\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[7], "\\\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[8], "\\\"\\\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[9], "\\\"\\\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[10], "\\\"\\\"\\\"\\\"");
UNIT_ASSERT_STRINGS_EQUAL(columns[11], "\\\"\\\"\\\"\\\"");
}
}
Y_UNIT_TEST(CsvReadFromBufferTest) {
{
TVector<TString> columns = ReadOneLineCsvData("");
UNIT_ASSERT_EQUAL(columns.size(), 0);
}
{
TVector<TString> columns = ReadOneLineCsvData("\"\"");
UNIT_ASSERT_EQUAL(columns.size(), 1);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "");
}
{
TVector<TString> columns = ReadOneLineCsvData("one");
UNIT_ASSERT_EQUAL(columns.size(), 1);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
}
{
TVector<TString> columns = ReadOneLineCsvData("\"one\"");
UNIT_ASSERT_EQUAL(columns.size(), 1);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
}
{
TVector<TString> columns = ReadOneLineCsvData("one;two;three");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsvData("\"one\";\"two\";\"three\"");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsvData("\"one\";two;three");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsvData("one;\"two\";three");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsvData("one;two;\"three\"");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsvData(";two;three");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "three");
}
{
TVector<TString> columns = ReadOneLineCsvData("one;two;");
UNIT_ASSERT_EQUAL(columns.size(), 3);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "one");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "two");
UNIT_ASSERT_STRINGS_EQUAL(columns[2], "");
}
{
TVector<TString> columns = ReadOneLineCsvData(";");
UNIT_ASSERT_EQUAL(columns.size(), 2);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "");
}
{
TVector<TString> columns = ReadOneLineCsvData("\"\";");
UNIT_ASSERT_EQUAL(columns.size(), 2);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "");
}
{
TVector<TString> columns = ReadOneLineCsvData(";\"\"");
UNIT_ASSERT_EQUAL(columns.size(), 2);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "");
UNIT_ASSERT_STRINGS_EQUAL(columns[1], "");
}
{
TVector<TString> columns = ReadOneLineCsvData("\"ab;cd\"");
UNIT_ASSERT_EQUAL(columns.size(), 1);
UNIT_ASSERT_STRINGS_EQUAL(columns[0], "ab;cd");
}
}
Y_UNIT_TEST(CsvWriteTest) {
{
TString str = WriteCsv([](TCsvOutputStream& out) {
out << "";
});
UNIT_ASSERT_STRINGS_EQUAL(str, "\"\"");
}
{
TString str = WriteCsv([](TCsvOutputStream& out) {
out << "one";
});
UNIT_ASSERT_STRINGS_EQUAL(str, "\"one\"");
}
{
TString str = WriteCsv([](TCsvOutputStream& out) {
out << "one" << "two";
});
UNIT_ASSERT_STRINGS_EQUAL(str, "\"one\";\"two\"");
}
{
TString str = WriteCsv([](TCsvOutputStream& out) {
out << "one" << "two" << Endl
<< 1 << 2;
});
UNIT_ASSERT_STRINGS_EQUAL(str, "\"one\";\"two\"\n"
"\"1\";\"2\"");
}
}
}
|
