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|
#============================================================= -*-perl-*-
#
# t/gdgraph.t
#
# Test the GD::Graph::* plugins. The GD::Graph::* modules don't
# come with any tests, so we simply verify that each graph type
# produces a PNG output file, but we don't verify the contents.
#
# Written by Craig Barratt <craig@arraycomm.com>
#
# This is free software; you can redistribute it and/or modify it
# under the same terms as Perl itself.
#
# $Id: gdgraph.t,v 2.4 2002/08/12 11:07:15 abw Exp $
#
#========================================================================
use strict;
use lib qw( ../lib );
use Template;
use Template::Test;
$^W = 1;
eval "use GD; use GD::Graph;";
if ( $@ || $GD::VERSION < 1.20 ) {
skip_all('GD module(s) not installed');
}
test_expect(\*DATA, { FILTERS => {
head2hex => [\&head2hex_filter_factory, 1],
}
});
#
# Grab just the first $len bytes of the input, and optionally convert
# to a hex string if $hex is set
#
sub head2hex_filter_factory
{
my($context, $len, $hex) = @_;
return sub {
my $text = shift;
return $text if length $text < $len;
$text = substr($text, 0, $len);
$text =~ s/(.)/sprintf("%02x", ord($1))/eg if ( $hex );
return $text;
}
}
__END__
-- test --
[%
USE g = GD.Graph.lines(300,200);
x = [1, 2, 3, 4];
y = [5, 4, 2, 3];
r = g.set(x_label => 'X Label', y_label => 'Y label', title => 'Title');
g.plot([x, y]).png | head2hex(4, 1);
%]
-- expect --
89504e47
-- test --
[%
data = [
["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
[ 1, 2, 5, 6, 3, 1.5, 1, 3, 4],
];
USE my_graph = GD.Graph.bars();
r = my_graph.set(
x_label => 'X Label',
y_label => 'Y label',
title => 'A Simple Bar Chart',
y_max_value => 8,
y_tick_number => 8,
y_label_skip => 2,
# shadows
bar_spacing => 8,
shadow_depth => 4,
shadowclr => 'dred',
transparent => 0,
);
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
-- test --
[%
data = [
["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
[ 5, 12, 24, 33, 19, 8, 6, 15, 21],
[ 1, 2, 5, 6, 3, 1.5, 1, 3, 4],
];
USE my_graph = GD.Graph.bars();
r = my_graph.set(
x_label => 'X Label',
y_label => 'Y label',
title => 'Two data sets',
# shadows
bar_spacing => 8,
shadow_depth => 4,
shadowclr => 'dred',
long_ticks => 1,
y_max_value => 40,
y_tick_number => 8,
y_label_skip => 2,
bar_spacing => 3,
accent_treshold => 200,
transparent => 0,
);
r = my_graph.set_legend( 'Data set 1', 'Data set 2' );
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
-- test --
[%
data = [
["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
[50, 52, 53, 54, 55, 56, 57, 58, 59],
[60, 61, 61, 63, 68, 66, 65, 61, 58],
[70, 72, 71, 74, 78, 73, 75, 71, 68],
];
USE my_graph = GD.Graph.linespoints;
r = my_graph.set(
x_label => 'X Label',
y_label => 'Y label',
title => 'A Lines and Points Graph',
y_max_value => 80,
y_tick_number => 6,
y_label_skip => 2,
y_long_ticks => 1,
x_tick_length => 2,
markers => [ 1, 5 ],
skip_undef => 1,
transparent => 0,
);
r = my_graph.set_legend('data set 1', 'data set 2', 'data set 3');
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
-- test --
[%
data = [
["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
[ 1, 2, 5, 6, 3, 1.5, -1, -3, -4],
[ -4, -3, 1, 1, -3, -1.5, -2, -1, 0],
[ 9, 8, 9, 8.4, 7.1, 7.5, 8, 3, -3],
[ 0.1, 0.2, 0.5, 0.4, 0.3, 0.5, 0.1, 0, 0.4],
[ -0.1, 2, 5, 4, -3, 2.5, 3.2, 4, -4],
];
USE my_graph = GD.Graph.mixed();
r = my_graph.set(
types => ['lines', 'lines', 'points', 'area', 'linespoints'],
default_type => 'points',
);
r = my_graph.set(
x_label => 'X Label',
y_label => 'Y label',
title => 'A Mixed Type Graph',
y_max_value => 10,
y_min_value => -5,
y_tick_number => 3,
y_label_skip => 0,
x_plot_values => 0,
y_plot_values => 0,
long_ticks => 1,
x_ticks => 0,
legend_marker_width => 24,
line_width => 3,
marker_size => 5,
bar_spacing => 8,
transparent => 0,
);
r = my_graph.set_legend('one', 'two', 'three', 'four', 'five', 'six');
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
-- test --
[%
data = [
["1st","2nd","3rd","4th","5th","6th"],
[ 4, 2, 3, 4, 3, 3.5]
];
USE my_graph = GD.Graph.pie( 250, 200 );
r = my_graph.set(
title => 'A Pie Chart',
label => 'Label',
axislabelclr => 'black',
pie_height => 36,
transparent => 0,
);
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
-- test --
[%
data = [
["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
[ 5, 12, 24, 33, 19, 8, 6, 15, 21],
[ -1, -2, -5, -6, -3, 1.5, 1, 1.3, 2]
];
USE my_graph = GD.Graph.area();
r = my_graph.set(
two_axes => 1,
zero_axis => 1,
transparent => 0,
);
r = my_graph.set_legend('left axis', 'right axis' );
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
-- test --
[%
data = [
["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
[ 5, 12, 24, 33, 19, 8, 6, 15, 21],
[ 1, 2, 5, 6, 3, 1.5, 2, 3, 4],
];
USE my_graph = GD.Graph.points();
r = my_graph.set(
x_label => 'X Label',
y_label => 'Y label',
title => 'A Points Graph',
y_max_value => 40,
y_tick_number => 8,
y_label_skip => 2,
legend_placement => 'RC',
long_ticks => 1,
marker_size => 6,
markers => [ 1, 7, 5 ],
transparent => 0,
);
r = my_graph.set_legend('one', 'two');
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
-- test --
[%
data = [
["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sep", "Oct", "Nov", "Dec", ],
[-5, -4, -3, -3, -1, 0, 2, 1, 3, 4, 6, 7],
[4, 3, 5, 6, 3,1.5, -1, -3, -4, -6, -7, -8],
[1, 2, 2, 3, 4, 3, 1, -1, 0, 2, 3, 2],
];
USE my_graph = GD.Graph.lines();
r = my_graph.set(
x_label => 'Month',
y_label => 'Measure of success',
title => 'A Simple Line Graph',
y_max_value => 8,
y_min_value => -8,
y_tick_number => 16,
y_label_skip => 2,
box_axis => 0,
line_width => 3,
zero_axis_only => 1,
x_label_position => 1,
y_label_position => 1,
x_label_skip => 3,
x_tick_offset => 2,
transparent => 0,
);
r = my_graph.set_legend("Us", "Them", "Others");
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
|
