// file : libbuild2/test/script/parser.test.cxx -*- C++ -*- // copyright : Copyright (c) 2014-2019 Code Synthesis Ltd // license : MIT; see accompanying LICENSE file #include <cassert> #include <iostream> #include <libbuild2/types.hxx> #include <libbuild2/utility.hxx> #include <libbuild2/target.hxx> #include <libbuild2/context.hxx> // reset() #include <libbuild2/scheduler.hxx> #include <libbuild2/test/target.hxx> #include <libbuild2/test/script/token.hxx> #include <libbuild2/test/script/parser.hxx> #include <libbuild2/test/script/runner.hxx> using namespace std; namespace build2 { namespace test { namespace script { // Here we assume we are running serially. // class print_runner: public runner { public: print_runner (bool scope, bool id, bool line) : scope_ (scope), id_ (id), line_ (line) {} virtual bool test (scope&) const override { return true; } virtual void enter (scope& s, const location&) override { if (s.desc) { const auto& d (*s.desc); if (!d.id.empty ()) cout << ind_ << ": id:" << d.id << endl; if (!d.summary.empty ()) cout << ind_ << ": sm:" << d.summary << endl; if (!d.details.empty ()) { if (!d.id.empty () || !d.summary.empty ()) cout << ind_ << ":" << endl; // Blank. const auto& s (d.details); for (size_t b (0), e (0), n; e != string::npos; b = e + 1) { e = s.find ('\n', b); n = ((e != string::npos ? e : s.size ()) - b); cout << ind_ << ':'; if (n != 0) { cout << ' '; cout.write (s.c_str () + b, static_cast<streamsize> (n)); } cout << endl; } } } if (scope_) { cout << ind_ << "{"; if (id_ && !s.id_path.empty ()) // Skip empty root scope id. cout << " # " << s.id_path.string (); cout << endl; ind_ += " "; } } virtual void run (scope&, const command_expr& e, command_type t, size_t i, const location&) override { const char* s (nullptr); switch (t) { case command_type::test: s = ""; break; case command_type::setup: s = "+"; break; case command_type::teardown: s = "-"; break; } cout << ind_ << s << e; if (line_) cout << " # " << i; cout << endl; } virtual bool run_if (scope&, const command_expr& e, size_t i, const location&) override { cout << ind_ << "? " << e; if (line_) cout << " # " << i; cout << endl; return e.back ().pipe.back ().program.string () == "true"; } virtual void leave (scope&, const location&) override { if (scope_) { ind_.resize (ind_.size () - 2); cout << ind_ << "}" << endl; } } private: bool scope_; bool id_; bool line_; string ind_; }; // Usage: argv[0] [-s] [-i] [-l] [<testscript-name>] // int main (int argc, char* argv[]) { tracer trace ("main"); // Fake build system driver, default verbosity. // init_diag (1); init (argv[0]); sched.startup (1); // Serial execution. reset (strings ()); // No command line variables. bool scope (false); bool id (false); bool line (false); path name; for (int i (1); i != argc; ++i) { string a (argv[i]); if (a == "-s") scope = true; else if (a == "-i") id = true; else if (a == "-l") line = true; else { name = path (move (a)); break; } } if (name.empty ()) name = path ("testscript"); assert (!id || scope); // Id can only be printed with scope. try { cin.exceptions (istream::failbit | istream::badbit); // Enter mock targets. Use fixed names and paths so that we can use // them in expected results. Strictly speaking target paths should // be absolute. However, the testscript implementation doesn't // really care. // file& tt ( targets.insert<file> (work, dir_path (), "driver", string (), trace)); value& v ( tt.assign ( var_pool.rw ().insert<target_triplet> ( "test.target", variable_visibility::project))); v = cast<target_triplet> ((*global_scope)["build.host"]); testscript& st ( targets.insert<testscript> (work, dir_path (), name.leaf ().base ().string (), name.leaf ().extension (), trace)); tt.path (path ("driver")); st.path (name); // Parse and run. // parser p; script s (tt, st, dir_path (work) /= "test-driver"); p.pre_parse (cin, s); print_runner r (scope, id, line); p.execute (s, r); } catch (const failed&) { return 1; } return 0; } } } } int main (int argc, char* argv[]) { return build2::test::script::main (argc, argv); }