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$:.unshift(File.dirname(__FILE__) + '/../lib/')
RMAGICK_BYPASS_VERSION_TEST = true
require 'test/unit'
require 'gruff'
require 'fileutils'
TEST_OUTPUT_DIR = File.dirname(__FILE__) + "/output#{'_java' if RUBY_PLATFORM == 'java'}"
FileUtils.mkdir_p(TEST_OUTPUT_DIR)
FileUtils.rm_f Dir[TEST_OUTPUT_DIR + '/*']
if ENV['RM_INFO'] && RUBY_VERSION =~ /^(1\.9|2\.0)\./
require 'minitest/reporters'
MiniTest::Reporters.use!
end
class Gruff::Base
alias :write_org :write
def write(filename='graph.png')
basefilename = File.basename(filename).split('.')[0..-2].join('.')
extension = filename.slice(/\.[^\.]*$/)
testfilename = File.join(TEST_OUTPUT_DIR, basefilename) + extension
counter = 0
while File.exist?(testfilename)
counter += 1
testfilename = File.join(TEST_OUTPUT_DIR, basefilename) + "-#{counter}#{extension}"
end
write_org(testfilename)
end
end
class GruffTestCase < Test::Unit::TestCase
def setup
srand 42
@datasets = [
[:Jimmy, [25, 36, 86, 39, 25, 31, 79, 88]],
[:Charles, [80, 54, 67, 54, 68, 70, 90, 95]],
[:Julie, [22, 29, 35, 38, 36, 40, 46, 57]],
[:Jane, [95, 95, 95, 90, 85, 80, 88, 100]],
[:Philip, [90, 34, 23, 12, 78, 89, 98, 88]],
[:Arthur, [5, 10, 13, 11, 6, 16, 22, 32]],
]
@labels = {
0 => '5/6',
1 => '5/15',
2 => '5/24',
3 => '5/30',
4 => '6/4',
5 => '6/12',
6 => '6/21',
7 => '6/28',
}
end
def setup_single_dataset
@datasets = [
[:Jimmy, [25, 36, 86]]
]
@labels = {
0 => 'You',
1 => 'Average',
2 => 'Lifetime'
}
end
def setup_wide_dataset
@datasets = [
['Auto', 25],
['Food', 5],
['Entertainment', 15]
]
@labels = {0 => 'This Month'}
end
def test_dummy
assert true
end
protected
# Generate graphs at several sizes.
#
# Also writes the graph to disk.
#
# graph_sized 'bar_basic' do |g|
# g.data('students', [1, 2, 3, 4])
# end
#
def graph_sized(filename, sizes=['', 400])
class_name = self.class.name.gsub(/^TestGruff/, '')
Array(sizes).each do |size|
g = instance_eval("Gruff::#{class_name}.new #{size}")
g.title = "#{class_name} Graph"
yield g
write_test_file g, "#{filename}_#{size}.png"
end
end
def write_test_file(graph, filename)
testfilename = [TEST_OUTPUT_DIR, filename].join('/')
basefilename = filename.split('.')[0..-2].join('.')
extension = filename.slice(/\..*$/)
counter = 0
while File.exist? testfilename
counter += 1
testfilename = [TEST_OUTPUT_DIR, basefilename].join('/') + "-#{counter}#{extension}"
end
graph.write(testfilename)
end
##
# Example:
#
# setup_basic_graph Gruff::Pie, 400
#
def setup_basic_graph(*args)
klass, size = Gruff::Bar, 400
# Allow args to be klass, size or just klass or just size.
#
# TODO Refactor
case args.length
when 1
case args[0]
when Fixnum
size = args[0]
klass = eval("Gruff::#{self.class.name.gsub(/^TestGruff/, '')}")
when String
size = args[0]
klass = eval("Gruff::#{self.class.name.gsub(/^TestGruff/, '')}")
else
klass = args[0]
end
when 2
klass, size = args[0], args[1]
end
g = klass.new(size)
g.title = 'My Bar Graph'
g.labels = @labels
g.font = '/Library/Fonts/Verdana.ttf'
@datasets.each do |data|
g.data(data[0], data[1])
end
g
end
end
|
