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#include "assertions.h"
#include <util/string/builder.h>
#include <util/string/split.h>
#include <util/system/type_name.h>
namespace NGTest::NInternal {
namespace {
void FormatActual(const std::exception& err, const TBackTrace* bt, TStringBuilder& out) {
out << "an exception of type " << TypeName(err) << " "
<< "with message " << TString(err.what()).Quote() << ".";
if (bt) {
out << "\n Trace: ";
for (auto& line: StringSplitter(bt->PrintToString()).Split('\n')) {
out << " " << line.Token() << "\n";
}
}
}
void FormatActual(TStringBuilder& out) {
out << " Actual: it throws ";
auto exceptionPtr = std::current_exception();
if (exceptionPtr) {
try {
std::rethrow_exception(exceptionPtr);
} catch (const yexception& err) {
FormatActual(err, err.BackTrace(), out);
return;
} catch (const std::exception& err) {
FormatActual(err, nullptr, out);
return;
} catch (...) {
out << "an unknown exception.";
return;
}
}
out << "nothing.";
}
void FormatExpected(const char* statement, const char* type, const TString& contains, TStringBuilder& out) {
out << "Expected: ";
if (TStringBuf(statement).size() > 80) {
out << "statement";
} else {
out << statement;
}
out << " throws an exception of type " << type;
if (!contains.empty()) {
out << " with message containing " << contains.Quote();
}
out << ".";
}
}
TString FormatErrorWrongException(const char* statement, const char* type) {
return FormatErrorWrongException(statement, type, "");
}
TString FormatErrorWrongException(const char* statement, const char* type, TString contains) {
TStringBuilder out;
FormatExpected(statement, type, contains, out);
out << "\n";
FormatActual(out);
return out;
}
TString FormatErrorUnexpectedException(const char* statement) {
TStringBuilder out;
out << "Expected: ";
if (TStringBuf(statement).size() > 80) {
out << "statement";
} else {
out << statement;
}
out << " doesn't throw an exception.\n ";
FormatActual(out);
return out;
}
bool ExceptionMessageContains(const std::exception& err, TString contains) {
return TStringBuf(err.what()).Contains(contains);
}
}
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