/
test_technical_readme.rb
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/
test_technical_readme.rb
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require 'helper'
# run only latest test to create new graphs for documentation
DO_NOT_RUN_OLD_TESTS = true
class TestTechnicalReadme < Test::Unit::TestCase
context 'generate sample graphs using readme options description' do
setup do
@simple_data_array = [
{ :x => 0, :y => 0 },
{ :x => 1, :y => 1 },
{ :x => 2, :y => 2 },
{ :x => 3, :y => 2 },
{ :x => 4, :y => 1 },
{ :x => 5, :y => 0 },
]
@simple_data_array_b = [
{ :x => 0.5, :y => 0.5 },
{ :x => 1.5, :y => 0.5 },
{ :x => 2.5, :y => 1.5 },
{ :x => 3.5, :y => 1.0 },
{ :x => 4.5, :y => 1.5 },
{ :x => 5.5, :y => 1.5 },
]
@float_data_array = [
{ :x => 0, :y => 0 },
{ :x => 0.111, :y => 0.123 },
{ :x => 1.222, :y => 1.456 },
{ :x => 1.333, :y => 2.8756 },
{ :x => 2.555, :y => 1.042 },
{ :x => 2.888, :y => 0.988 },
]
end
#
should 'create simplest graph' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new
@tg.add_layer(@simple_data_array)
@tg.render
file_name = 'samples/readme/01_simplest.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
#
should 'create 2-layer graph' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new
@tg.add_layer(@simple_data_array)
@tg.add_layer(@simple_data_array_b)
@tg.render
file_name = 'samples/readme/02_two_layers.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
#
should 'change ranges' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:x_min => -2,
:x_max => 10,
:y_min => -1,
:y_max => 10,
})
@tg.add_layer(@simple_data_array)
@tg.render
file_name = 'samples/readme/03_changed_ranges.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'change ranges (fixed)' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:x_min => 1,
:x_max => 2,
:y_min => 1,
:y_max => 2,
:xy_behaviour => :fixed
})
@tg.add_layer(@simple_data_array)
@tg.render
file_name = 'samples/readme/04_changed_ranges_fixed.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'fixed amount of axis' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:x_axis_fixed_interval => false,
:y_axis_fixed_interval => false,
:y_axis_count => 20,
:x_axis_count => 20,
})
@tg.add_layer(@simple_data_array)
@tg.render
file_name = 'samples/readme/05_axis_fixed_amount.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'fixed axis interval' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:x_axis_fixed_interval => true,
:y_axis_fixed_interval => true,
:y_axis_interval => 0.8,
:x_axis_interval => 0.6,
})
@tg.axis.x_axis_interval.should == 0.6
@tg.axis.y_axis_interval.should == 0.8
@tg.add_layer(@simple_data_array)
@tg.axis.x_axis_interval.should == 0.6
@tg.axis.y_axis_interval.should == 0.8
# axis_x = @tg.axis.calc_axis(@simple_data_array.first[:x], @simple_data_array.last[:x], 0.1, nil, true)
# axis_y = @tg.axis.calc_axis(@simple_data_array.first[:y], @simple_data_array.last[:y], 0.1, nil, true)
# puts axis_x.inspect
# puts axis_y.inspect
@tg.render
file_name = 'samples/readme/06_axis_fixed_interval.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'let choose axis label' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:x_axis_label => 'parameter',
:y_axis_label => 'value',
:axis_label_font_size => 36
})
@tg.add_layer(@simple_data_array)
@tg.render
file_name = 'samples/readme/07_axis_label.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'test truncate string' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:truncate_string => "%.3f"
})
@layer_params = {
:value_labels => true
}
@tg.add_layer(@float_data_array, @layer_params)
@tg.render
file_name = 'samples/readme/08a_truncate_string.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'test truncate string 2' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:truncate_string => "%.1f"
})
@layer_params = {
:value_labels => true
}
@tg.add_layer(@float_data_array, @layer_params)
@tg.render
file_name = 'samples/readme/08b_truncate_string.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'test image size' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:width => 600,
:height => 300,
:drawer_class => :rmagick
})
@tg.add_layer(@simple_data_array)
@tg.render
file_name = 'samples/readme/09_image_size.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'test colors' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:background_color => '#000000',
:background_hatch_color => '#222222',
:axis_color => '#FFFFFF',
:drawer_class => :rmagick,
})
@tg.add_layer(@simple_data_array, {:color => '#0000FF'})
@tg.render
file_name = 'samples/readme/10_colors.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'test renderer' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:drawer_class => :rmagick
})
@tg.add_layer(@simple_data_array)
@tg.render
file_name = 'samples/readme/11_renderer_rmagick.png'
@tg.image_drawer.save_to_file(file_name)
@tg = TechnicalGraph.new(
{
:drawer_class => :rasem
})
@tg.add_layer(@simple_data_array)
@tg.render
file_name = 'samples/readme/11_renderer_rasem.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'test antialiasing' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:antialias => true,
:drawer_class => :rmagick
})
@tg.add_layer(@simple_data_array)
@tg.render
file_name = 'samples/readme/12_aa_true.png'
@tg.image_drawer.save_to_file(file_name)
# only for size comparison
@tg = TechnicalGraph.new(
{
:antialias => false,
:drawer_class => :rmagick
})
@tg.add_layer(@simple_data_array)
@tg.render
file_name = 'samples/readme/12_aa_false.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'test font sizes' do
return if DO_NOT_RUN_OLD_TESTS
@tg = TechnicalGraph.new(
{
:x_axis_label => 'parameter',
:y_axis_label => 'value',
:layers_font_size => 14,
:axis_font_size => 18,
:axis_label_font_size => 48,
:drawer_class => :rmagick
})
@tg.add_layer(@simple_data_array, {:value_labels => true})
@tg.render
file_name = 'samples/readme/13_font_sizes.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
should 'test layer labels, colors and legend' do
#return if DO_NOT_RUN_OLD_TESTS
@simple_data_array_second = @simple_data_array.collect{|a| {:x => a[:x] + 0.31, :y => a[:y] + 0.21 }}
@simple_data_array_third = @simple_data_array.collect{|a| {:x => a[:x] * 0.99 + 0.23, :y => a[:y] * 1.2 - 0.12 }}
@tg = TechnicalGraph.new(
{
:legend => true,
:legend_font_size => 20,
:drawer_class => :rmagick
})
@tg.add_layer(@simple_data_array, {:label => 'simple', :color => '#FFFF00'})
@tg.add_layer(@simple_data_array_second, {:label => 'offset', :color => '#00FFFF'})
@tg.add_layer(@simple_data_array_third, {:label => 'scaled', :color => '#FF00FF'})
@tg.render
file_name = 'samples/readme/14_simple_legend.png'
@tg.image_drawer.save_to_file(file_name)
# test
@tg.image_drawer.to_format(@tg.best_output_format).class.should == String
File.exist?(file_name).should == true
end
end
end