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#include "delim_string_iter.h"
#include <util/generic/vector.h>
#include <library/cpp/testing/unittest/registar.h>
/// Test that TDelimStringIter build on top of given string and delimeter will produce expected sequence
static void AssertStringSplit(const TString& str, const TString& delim, const TVector<TString>& expected) {
TDelimStringIter it(str, delim);
// test iterator invariants
for (const auto& expectedString : expected) {
UNIT_ASSERT(it.Valid());
UNIT_ASSERT(bool(it));
UNIT_ASSERT_STRINGS_EQUAL(it->ToString(), expectedString);
++it;
}
UNIT_ASSERT(!it.Valid());
};
Y_UNIT_TEST_SUITE(TDelimStrokaIterTestSuite) {
Y_UNIT_TEST(SingleCharacterAsDelimiter) {
AssertStringSplit(
"Hello words!", " ", {"Hello", "words!"});
}
Y_UNIT_TEST(MultipleCharactersAsDelimiter) {
AssertStringSplit(
"0, 1, 1, 2, 3, 5, 8, 13, 21, 34", "1, ", {"0, ", "", "2, 3, 5, 8, 13, 2", "34"});
}
Y_UNIT_TEST(NoDelimitersPresent) {
AssertStringSplit("This string could be yours", "\t", {"This string could be yours"});
}
Y_UNIT_TEST(Cdr) {
TDelimStringIter it("a\tc\t", "\t");
UNIT_ASSERT_STRINGS_EQUAL(*it, "a");
UNIT_ASSERT_STRINGS_EQUAL(it.Cdr(), "c\t");
++it;
UNIT_ASSERT_STRINGS_EQUAL(it.Cdr(), "");
}
Y_UNIT_TEST(ForIter) {
TVector<TStringBuf> expected = {"1", "", "3@4", ""};
TVector<TStringBuf> got;
for (TStringBuf x : TDelimStroka("1@@@@3@4@@", "@@")) {
got.push_back(x);
}
UNIT_ASSERT_EQUAL(got, expected);
}
}
static void AssertKeyValueStringSplit(
const TStringBuf str,
const TStringBuf delim,
const TVector<std::pair<TStringBuf, TStringBuf>>& expected) {
TKeyValueDelimStringIter it(str, delim);
for (const auto& expectedKeyValue : expected) {
UNIT_ASSERT(it.Valid());
UNIT_ASSERT_STRINGS_EQUAL(it.Key(), expectedKeyValue.first);
UNIT_ASSERT_STRINGS_EQUAL(it.Value(), expectedKeyValue.second);
++it;
}
UNIT_ASSERT(!it.Valid());
}
Y_UNIT_TEST_SUITE(TKeyValueDelimStringIterTestSuite) {
Y_UNIT_TEST(SingleCharacterAsDelimiter) {
AssertKeyValueStringSplit(
"abc=123,cde=qwer", ",",
{{"abc", "123"},
{"cde", "qwer"}});
}
Y_UNIT_TEST(MultipleCharactersAsDelimiter) {
AssertKeyValueStringSplit(
"abc=xyz@@qwerty=zxcv", "@@",
{{"abc", "xyz"},
{"qwerty", "zxcv"}});
}
Y_UNIT_TEST(NoDelimiters) {
AssertKeyValueStringSplit(
"abc=zz", ",",
{{"abc", "zz"}});
}
Y_UNIT_TEST(EmptyElements) {
AssertKeyValueStringSplit(
"@@abc=zxy@@@@qwerty=y@@", "@@",
{{"", ""},
{"abc", "zxy"},
{"", ""},
{"qwerty", "y"},
{"", ""}});
}
}
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