match.h

// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
 
#pragma once
 
#include <xrpl/beast/unit_test/suite_info.h>
 
#include <string>
 
namespace beast::unit_test {
 
// Predicate for implementing matches
class Selector
{
public:
    enum class ModeT {
        // Run all tests except manual ones
        All,
 
        // Run tests that match in any field
        Automatch,
 
        // Match on suite
        Suite,
 
        // Match on library
        Library,
 
        // Match on module (used internally)
        Module,
 
        // Match nothing (used internally)
        None
    };
 
private:
    ModeT mode_;
    std::string pat_;
    std::string library_;
 
public:
    template <class = void>
    explicit Selector(ModeT mode, std::string pattern = "");
 
    template <class = void>
    bool
    operator()(SuiteInfo const& s);
};
 
//------------------------------------------------------------------------------
 
template <class>
Selector::Selector(ModeT mode, std::string pattern) : mode_(mode), pat_(std::move(pattern))
{
    if (mode_ == ModeT::Automatch && pat_.empty())
        mode_ = ModeT::All;
}
 
template <class>
bool
Selector::operator()(SuiteInfo const& s)
{
    switch (mode_)
    {
        case ModeT::Automatch:
            // suite or full name
            if (s.name() == pat_ || s.fullName() == pat_)
            {
                mode_ = ModeT::None;
                return true;
            }
 
            // check module
            if (pat_ == s.module())
            {
                mode_ = ModeT::Module;
                library_ = s.library();
                return !s.manual();
            }
 
            // check library
            if (pat_ == s.library())
            {
                mode_ = ModeT::Library;
                return !s.manual();
            }
 
            // check start of name
            if (s.name().starts_with(pat_) || s.fullName().starts_with(pat_))
            {
                // Don't change the mode so that the partial pattern can match
                // more than once
                return !s.manual();
            }
 
            return false;
 
        case ModeT::Suite:
            return pat_ == s.name();
 
        case ModeT::Module:
            return pat_ == s.module() && !s.manual();
 
        case ModeT::Library:
            return pat_ == s.library() && !s.manual();
 
        case ModeT::None:
            return false;
 
        case ModeT::All:
        default:
            break;
    };
 
    return !s.manual();
}
 
//------------------------------------------------------------------------------
 
// Utility functions for producing predicates to select suites.

inline Selector
matchAuto(std::string const& name)
{
    return Selector(Selector::ModeT::Automatch, name);
}

inline Selector
matchAll()
{
    return Selector(Selector::ModeT::All);
}

inline Selector
matchSuite(std::string const& name)
{
    return Selector(Selector::ModeT::Suite, name);
}

inline Selector
matchLibrary(std::string const& name)
{
    return Selector(Selector::ModeT::Library, name);
}
 
}  // namespace beast::unit_test