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# Copyright (c) 1997-2024
# Ewgenij Gawrilow, Michael Joswig, and the polymake team
# Technische Universität Berlin, Germany
# https://polymake.org
#
# 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, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# 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.
#-------------------------------------------------------------------------------
use strict;
use namespaces;
use feature 'state';
use JSON;
package Polymake::Test::Tutorials;
use Polymake::Struct (
[ '@ISA' => 'Group' ],
[ 'new' => '$$$' ],
[ '$name' => '"tutorials.Tutorials"' ],
[ '$env' => '#1' ],
[ '$application' => 'undef' ],
[ '$pattern' => '#2' ],
[ '$extension' => 'undef' ],
[ '$base_dir' => '#3' ],
);
sub new {
my $self=&_new;
# pattern might be a path or a wildcard
push @{$self->subgroups},
map { new Tutorial($_,$self) }
( -f $self->pattern ?
($self->pattern) :
grep { -f } glob $self->base_dir."/".$self->pattern.".ipynb");
$self;
}
sub package_name {
"tutorials"
}
sub run_context { undef }
package Polymake::Test::Tutorial;
#one tutorial
use Polymake::Struct (
[ '@ISA' => 'Subgroup' ],
[ 'new' => '$$' ],
[ '$source_file' => '#1' ],
[ '$name' => 'undef' ],
[ '$group' => 'weak(#2)' ],
[ '$temp_dir' => 'undef' ],
);
sub new {
my $self=&_new;
my ($name) = $self->source_file =~ m/\/([^\/]*)\.ipynb$/g;
$self->name = $name;
$self;
}
sub create_testcases {
my ($self) = @_;
state $testpkg = "TutorialTestPkg000000";
++$testpkg;
my $json = do {
local $/;
open my $in, "<", $self->source_file
or die("Can't read ", $self->source_file, ": $!\n");
<$in>
};
my $p = decode_json($json);
my $name = $self->name;
my $app = $User::default_application;
my $body = Core::RuleFilter::warn_options() . <<"---";
package Polymake::$testpkg;
use application '$app'; declare +auto;
include "common::jupyter.rules";
# testing $name
---
$self->group->env->start_timers;
my $cnt = 0;
foreach (@{${$p}{"cells"}}) {
if (${$_}{"cell_type"} eq "code") { # iterate all code cells
# each cell might introduce independent local effects
# $Scope is localized in Group::run, no need to localize it here again
$body .= "\$Scope=new Scope();\n" if $cnt++;
foreach (@{${$_}{"source"}}) {
s{^ \s* application \s* ($anon_quoted_re) \s*;\s* $}
{use application $1;\n}xmg;
$body .= enforce_nl($_); # add a trailing newline after the command if not present (for ease of debugging)
}
}
}
$body .= <<"---";
delete \$Polymake::{"$testpkg\::"};
---
# always create a tempdir
$self->temp_dir //= new Polymake::Tempdir;
# copy input files if demo/files/<basename> exists
# should be opened with something like
# load("files/<basename>/someexample.poly")
if (-d $self->group->base_dir."/files/".$self->name) {
File::Path::make_path($self->temp_dir."/files/");
system("cp -RLp '".$self->group->base_dir."/files/".$self->name."/' '".$self->temp_dir."/files/'");
}
new TutorialCase("body", $body, $self->source_file);
}
package Polymake::Test::TutorialCase;
use Polymake::Struct (
[ '@ISA' => 'Output' ],
[ 'new' => '$$$' ],
[ '$name' => '#1' ],
[ '$body' => '#2' ],
[ '$source_file' => '#3' ],
);
sub run_code {
my ($self) = @_;
local $disable_viewers = true;
my $tdir = new TempChangeDir($self->subgroup->temp_dir);
# files created in tutorials via save(), save_data() etc. must be automatically destroyed
# script() must be exempt from this transformation because it refers to existing scripts
local ref *replace_special_paths = sub {
if ((caller(1))[3] ne "Polymake::User::script") {
foreach (@_) {
s{^~(?=/|$)}{ $self->subgroup->temp_dir }e
or
s{^(?=[^/])}{ $self->subgroup->temp_dir."/" }e;
}
}
};
eval $self->body;
if ($@) {
$self->gotten_error = neutralized_ERROR();
$@ = "";
}
}
sub execute {
my ($self)=@_;
if (length($self->gotten_error)) {
$self->fail_log="expected: regular return\n".
" got: EXCEPTION: ".$self->gotten_error;
return 0;
}
1
}
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