Report expand errors better in fish tests

Print the expected and actual results if an error occurs.
This commit is contained in:
Kevin Ballard 2014-09-25 19:45:54 -07:00
parent fb8eb22e56
commit 7935b86cb2

View file

@ -1310,58 +1310,76 @@ static bool expand_test(const wchar_t *in, expand_flags_t flags, ...)
{
std::vector<completion_t> output;
va_list va;
size_t i=0;
bool res=true;
wchar_t *arg;
parse_error_list_t errors;
if (expand_string(in, output, flags, NULL))
if (expand_string(in, output, flags, &errors) == EXPAND_ERROR)
{
if (errors.empty())
{
err(L"Bug: Parse error reported but no error text found.");
}
else
{
err(L"%ls", errors.at(0).describe(wcstring(in)).c_str());
}
return false;
}
}
#if 0
printf("input: %ls\n", in);
for (size_t idx=0; idx < output.size(); idx++)
{
printf("%ls\n", output.at(idx).completion.c_str());
}
#endif
wcstring_list_t expected;
va_start(va, flags);
while ((arg=va_arg(va, wchar_t *))!= 0)
{
if (output.size() == i)
{
res=false;
break;
}
if (output.at(i).completion != arg)
{
res=false;
break;
}
i++;
if (!res)
{
// empty the rest of the args
while(va_arg(va, wchar_t *) != 0);
break;
}
expected.push_back(wcstring(arg));
}
va_end(va);
if (output.size() != i)
wcstring_list_t::const_iterator exp_it = expected.begin(), exp_end = expected.end();
std::vector<completion_t>::const_iterator out_it = output.begin(), out_end = output.end();
for (; exp_it != exp_end || out_it != out_end; ++exp_it, ++out_it)
{
res = false;
if (exp_it == exp_end || out_it == out_end)
{
// sizes don't match
res = false;
break;
}
if (out_it->completion != *exp_it)
{
res = false;
break;
}
}
if (!res)
{
if ((arg = va_arg(va, wchar_t *)) != 0)
{
err(arg);
wcstring msg = L"Expected [";
bool first = true;
for (wcstring_list_t::const_iterator it = expected.begin(), end = expected.end(); it != end; ++it)
{
if (!first) msg += L", ";
first = false;
msg += '"';
msg += *it;
msg += '"';
}
msg += L"], found [";
first = true;
for (std::vector<completion_t>::const_iterator it = output.begin(), end = output.end(); it != end; ++it)
{
if (!first) msg += L", ";
first = false;
msg += '"';
msg += it->completion;
msg += '"';
}
msg += L"]";
err(L"%ls\n%ls", arg, msg.c_str());
}
}