lumiera_/tests/library/text-template-test.cpp

304 lines
9 KiB
C++

/*
TextTemplate(Test) - verify the minimalistic text substitution engine
Copyright (C) Lumiera.org
2024, Hermann Vosseler <Ichthyostega@web.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *****************************************************/
/** @file text-template-test.cpp
** unit test \ref TextTemplate_test
*/
#include "lib/test/run.hpp"
#include "lib/test/test-helper.hpp"///////////////////////TODO
#include "lib/text-template.hpp"
#include "lib/format-cout.hpp"///////////////////////TODO
#include "lib/test/diagnostic-output.hpp"///////////////////////TODO
//#include <chrono>
//#include <array>
#include <map>
//using std::array;
using std::regex_search;
using std::smatch;
namespace lib {
namespace test {
using MapS = std::map<string, string>;
/***************************************************************************//**
* @test verify a minimalistic text substitution engine with flexible
* data binding, used for tool integration and script generation
* - cover the core parsing and templating functionality,
* using a direct binding
* - demonstrate the default-binding for a data map
* - cover the binding to Lumiera's »External Tree Description«
* @see text-template.hpp
* @see GnuplotGen_test
*/
class TextTemplate_test : public Test
{
virtual void
run (Arg)
{
// simpeUsage();
verify_parsing();
verify_instantiation();
verify_keySubstituton();
verify_conditional();
verify_iteration();
verify_Map_binding();
verify_ETD_binding();
}
/** @test TODO simple point-and-shot usage...
* @todo WIP 4/24 ✔ define ⟶ 🔁 implement
*/
void
simpeUsage()
{
MapS snaps{{"whatever", "cruel world"}
,{"greeting", "farewell"}};
CHECK (TextTemplate::apply ("${greeting} ${whatever} ↯", snaps)
== "farewell cruel world ↯"_expect);
}
/** @test TODO
* @note the regular expression \ref ACCEPT_FIELD is comprised of several
* alternatives and optional parts, which are marked by 5 sub-expressions
* - 1 ≙ end token
* - 2 ≙ some logic token ("if" or "for")
* - 3 ≙ a key or key path
* - 4 ≙ else token (which must be solitary)
* - 5 ≙ an escaped field (which should not be processed)
* @todo WIP 4/24 🔁 define ⟶ implement
*/
void
verify_parsing()
{
smatch mat;
string input;
CHECK (not regex_search (input, mat, ACCEPT_MARKUP));
input = " Hallelujah ";
CHECK (not regex_search (input, mat, ACCEPT_MARKUP));
input = " stale${beer}forever ";
SHOW_EXPR(input)
CHECK (regex_search (input, mat, ACCEPT_MARKUP));
SHOW_EXPR(mat.position())
CHECK (mat.position() == 6);
SHOW_EXPR(mat.length())
CHECK (mat.length() == 7);
SHOW_EXPR(mat.prefix())
CHECK (mat.prefix() == " stale"_expect);
SHOW_EXPR(mat.suffix())
CHECK (mat.suffix() == "forever "_expect);
SHOW_EXPR(string(mat[0]))
CHECK (mat[0] == "${beer}"_expect);
SHOW_EXPR(string(mat[1]))
CHECK (not mat[1].matched);
SHOW_EXPR(string(mat[2]))
CHECK (not mat[2].matched);
SHOW_EXPR(string(mat[3]))
CHECK (mat[3] == "beer"_expect);
SHOW_EXPR(string(mat[4]))
CHECK (not mat[4].matched);
SHOW_EXPR(string(mat[5]))
CHECK (not mat[5].matched);
input = " watch ${for stale}${beer} whatever ";
SHOW_EXPR(input)
CHECK (regex_search (input, mat, ACCEPT_MARKUP));
SHOW_EXPR(mat.position())
CHECK (mat.position() == 7);
SHOW_EXPR(mat.length())
CHECK (mat.length() == 12);
SHOW_EXPR(mat.prefix())
CHECK (mat.prefix() == " watch "_expect);
SHOW_EXPR(mat.suffix())
CHECK (mat.suffix() == "${beer} whatever "_expect);
SHOW_EXPR(string(mat[0]))
CHECK (mat[0] == "${for stale}"_expect);
SHOW_EXPR(string(mat[1]))
CHECK (not mat[1].matched);
SHOW_EXPR(string(mat[2]))
CHECK (mat[2] == "for"_expect);
SHOW_EXPR(string(mat[3]))
CHECK (mat[3] == "stale"_expect);
SHOW_EXPR(string(mat[4]))
SHOW_EXPR(string(mat[5]))
input = " work ${end if beer} however ";
SHOW_EXPR(input)
CHECK (regex_search (input, mat, ACCEPT_MARKUP));
SHOW_EXPR(mat.position())
CHECK (mat.position() == 6);
SHOW_EXPR(mat.length())
CHECK (mat.length() == 15);
SHOW_EXPR(mat.prefix())
CHECK (mat.prefix() == " work "_expect);
SHOW_EXPR(mat.suffix())
CHECK (mat.suffix() == " however "_expect);
SHOW_EXPR(string(mat[0]))
CHECK (mat[0] == "${end if beer}"_expect);
SHOW_EXPR(string(mat[1]))
CHECK (mat[1] == "end "_expect);
SHOW_EXPR(string(mat[2]))
CHECK (mat[2] == "if"_expect);
SHOW_EXPR(string(mat[3]))
CHECK (mat[3] == "beer"_expect);
SHOW_EXPR(string(mat[4]))
SHOW_EXPR(string(mat[5]))
input = " catch ${end while stale}${endfor brown.beer} ever ";
SHOW_EXPR(input)
CHECK (regex_search (input, mat, ACCEPT_MARKUP));
SHOW_EXPR(mat.position())
CHECK (mat.position() == 25);
SHOW_EXPR(mat.length())
CHECK (mat.length() == 20);
SHOW_EXPR(mat.prefix())
CHECK (mat.prefix() == " catch ${end while stale}"_expect);
SHOW_EXPR(mat.suffix())
CHECK (mat.suffix() == " ever "_expect);
SHOW_EXPR(string(mat[0]))
CHECK (mat[0] == "${endfor brown.beer}"_expect);
SHOW_EXPR(string(mat[1]))
CHECK (mat[1] == "end"_expect);
SHOW_EXPR(string(mat[2]))
CHECK (mat[2] == "for"_expect);
SHOW_EXPR(string(mat[3]))
CHECK (mat[3] == "brown.beer"_expect);
SHOW_EXPR(string(mat[4]))
SHOW_EXPR(string(mat[5]))
input = " catch ${else} ever ";
SHOW_EXPR(input)
CHECK (regex_search (input, mat, ACCEPT_MARKUP));
SHOW_EXPR(mat.position())
CHECK (mat.position() == 7);
SHOW_EXPR(mat.length())
CHECK (mat.length() == 7);
SHOW_EXPR(mat.prefix())
CHECK (mat.prefix() == " catch "_expect);
SHOW_EXPR(mat.suffix())
CHECK (mat.suffix() == " ever "_expect);
SHOW_EXPR(string(mat[0]))
CHECK (mat[0] == "${else}"_expect);
SHOW_EXPR(string(mat[1]))
SHOW_EXPR(string(mat[2]))
SHOW_EXPR(string(mat[3]))
CHECK (mat[3] == "else"_expect);
SHOW_EXPR(string(mat[4]))
SHOW_EXPR(string(mat[5]))
input = " catch ${else if} fever \\${can.beer} ";
SHOW_EXPR(input)
CHECK (regex_search (input, mat, ACCEPT_MARKUP));
SHOW_EXPR(mat.position())
CHECK (mat.position() == 24);
SHOW_EXPR(mat.length())
CHECK (mat.length() == 2);
SHOW_EXPR(mat.prefix())
CHECK (mat.prefix() == " catch ${else if} fever "_expect);
SHOW_EXPR(mat.suffix())
CHECK (mat.suffix() == "{can.beer} "_expect);
SHOW_EXPR(string(mat[0]))
CHECK (mat[0] == "\\$"_expect);
SHOW_EXPR(string(mat[1]))
SHOW_EXPR(string(mat[2]))
CHECK (not mat[2].matched);
SHOW_EXPR(string(mat[3]))
CHECK (not mat[3].matched);
SHOW_EXPR(string(mat[4]))
CHECK (not mat[4].matched);
SHOW_EXPR(string(mat[5]))
CHECK (mat[5] == "\\$"_expect);
}
/** @test TODO
* @todo WIP 4/24 🔁 define ⟶ implement
*/
void
verify_instantiation()
{
}
/** @test TODO
* @todo WIP 4/24 🔁 define ⟶ implement
*/
void
verify_keySubstituton()
{
UNIMPLEMENTED ("nebbich");
}
/** @test TODO
* @todo WIP 4/24 🔁 define ⟶ implement
*/
void
verify_conditional()
{
}
/** @test TODO
* @todo WIP 4/24 🔁 define ⟶ implement
*/
void
verify_iteration()
{
}
/** @test TODO
* @todo WIP 4/24 🔁 define ⟶ implement
*/
void
verify_Map_binding()
{
}
/** @test TODO
* @todo WIP 4/24 🔁 define ⟶ implement
*/
void
verify_ETD_binding()
{
}
};
LAUNCHER (TextTemplate_test, "unit common");
}} // namespace lib::test