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#! perl
# Copyright (C) 2008, The Perl Foundation
# $Id$
=head1 NAME
progress-graph.pl - generate a chart that displays rakudo's progress with
passing tests.
=head1 SYNOPSIS
perl tools/progress-graph.pl [input_file [output_file]]
=head1 DESCRIPTION
Create a chart that displays the number of passed, skipped and TODO tests.
If C<input_file> is given at the command line, it is read and parsed as a CSV
file. if absent F<docs/spectest-progress.csv> is used.
If C<output_file> is given, the image is written to that file. If not, the
file name C<rakudo-tests-%s.png> is used, where C<%s> stands for the last
processed date.
=cut
use strict;
use warnings;
use GD;
use GD::Graph::bars;
use Text::CSV_XS;
use List::Util qw(max sum);
use POSIX qw(log10 ceil);
use Getopt::Long;
# column names
use constant DATE => 0;
use constant REVISION => 1;
use constant PASS => 2;
use constant FAIL => 3;
use constant TODO => 4;
use constant SKIP => 5;
use constant REGR => 6;
use constant SPEC => 7;
use constant FILES => 8;
use constant SPECSKIP => 9;
use constant MAX_COL => 9;
my $size = '850x500';
GetOptions
'size=s' => \$size,
or usage();
my $fn = $ARGV[0] || 'docs/spectest-progress.csv';
open my $f, '<', $fn or die "Can't open file '$fn' for reading: $!";
my @data = map [], 0 .. MAX_COL;
my $csv = Text::CSV_XS->new({
quote_char => q{"},
sep_char => q{,},
});
my $max = 0;
my @columns_to_plot = (PASS, FAIL, TODO, SKIP, SPECSKIP);
my $rows = 0;
while (<$f>) {
next if m/^"[a-z]+"/i; # skip header line
next unless m/\d/; # empty lines and such
$csv->parse($_);
my @cols = $csv->fields();
push @{$data[0]}, substr $cols[0], 0, 10;
$cols[SPECSKIP] = $cols[SPEC] - sum @cols[PASS, FAIL, TODO, SKIP];
for (1..MAX_COL){
push @{$data[$_]}, $cols[$_];
}
$max = max $max, sum @cols[@columns_to_plot];
$rows++;
}
my $last_date = $data[DATE][-1];
# GD::Graph always prints the last label, which leads to overlapping
# labels. Better remove it.
$data[DATE][-1] = '';
my $p = GD::Graph::bars->new(split m/x/, $size, 2);
no warnings 'qw';
$p->set(
x_label => 'Date',
y_label => 'Tests',
title => 'Rakudo Spectest Progress',
x_label_skip => int($rows / 20),
x_labels_vertical => 1,
cumulate => 1,
borderclrs => [undef],
dclrs => [qw(#00FF00 #FF0000 #0000FF #FFFF00 #DDDDDD)]
) or die $p->error;
$p->set_legend('Pass', 'Fail', 'Todo', 'Regr', 'Spec');
$p->set_x_axis_font(gdSmallFont);
$p->set_y_axis_font(gdLargeFont);
# determine a better y_max_value - GD::Graph wastes much space by default
my $round_to = 10 ** int(log10 $max) / 5;
$max = $round_to * (1 + int($max / $round_to));
$p->set(y_max_value => $max );
my $g = $p->plot([@data[DATE, @columns_to_plot]]) or die $p->error;
my $out_file = $ARGV[1] || "rakudo-tests-$last_date.png";
open my $o, '>', $out_file
or die "Can't open file `$out_file' for writing: $!";
binmode $o;
print $o $g->png;
close $o;
print "Image written to file '$out_file'\n";
sub usage {
print <<USAGE;
Usage:
$0 [--size XXXxYYY] [data_file [output_file]]
Options
--size Size of the output image, default is 850x500
USAGE
exit 1;
}
# Local Variables:
# mode: cperl
# cperl-indent-level: 4
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4:
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