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Improve error handling in parsing reporter specs

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This commit is contained in:
Martin Hořeňovský
2021-12-30 23:50:40 +01:00
parent 899554bff2
commit fae0be25b3
2 changed files with 40 additions and 7 deletions
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30
src/catch2/internal/catch_commandline.cpp
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@@ -135,6 +135,10 @@ namespace Catch {
return ParserResult::ok( ParseResultType::Matched );
};
auto const setReporter = [&]( std::string const& reporterSpec ) {
if ( reporterSpec.empty() ) {
return ParserResult::runtimeError( "Received empty reporter spec." );
}
IReporterRegistry::FactoryMap const& factories = getRegistryHub().getReporterRegistry().getFactories();
// clear the default reporter
@@ -143,21 +147,33 @@ namespace Catch {
config._nonDefaultReporterSpecifications = true;
}
// Exactly one of the reporters may be specified without an output
// file, in which case it defaults to the output specified by "-o"
// (or standard output).
static constexpr auto separator = "::";
static constexpr size_t separatorSize = 2;
auto separatorPos = reporterSpec.find( separator );
const bool containsFileName = separatorPos != reporterSpec.npos;
auto fileNameSeparatorPos = reporterSpec.find( separator );
const bool containsFileName = fileNameSeparatorPos != reporterSpec.npos;
if ( containsFileName ) {
auto nextSeparatorPos = reporterSpec.find(
separator, fileNameSeparatorPos + separatorSize );
if ( nextSeparatorPos != reporterSpec.npos ) {
return ParserResult::runtimeError(
"Too many separators in reporter spec '" + reporterSpec + '\'' );
}
}
std::string reporterName;
Optional<std::string> outputFileName;
if (!containsFileName) {
reporterName = reporterSpec;
} else {
reporterName = reporterSpec.substr( 0, separatorPos );
reporterName = reporterSpec.substr( 0, fileNameSeparatorPos );
if ( reporterName.empty() ) {
return ParserResult::runtimeError( "Reporter name cannot be empty." );
}
if ( containsFileName ) {
outputFileName = reporterSpec.substr(
separatorPos + separatorSize, reporterSpec.size() );
fileNameSeparatorPos + separatorSize, reporterSpec.size() );
}
auto result = factories.find( reporterName );