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Contents
require 'spec_helper'
describe Looksee::Columnizer do
describe ".columnize" do
def columnize(strings, width)
Looksee::Columnizer.columnize(strings, width)
end
it "should an empty string if there are no strings to display" do
columnize([], 5).should == ''
end
it "should render all strings on one line separated and indented by two spaces if they fit" do
columnize(['one', 'two'], 10).should == " one two\n"
end
it "should not wrap a string if it longer than the width" do
columnize(['looooooong'], 5).should == " looooooong\n"
end
it "should render a string on the next line if there's not enough room" do
columnize(['a', 'looooooong'], 5).should == " a \n looooooong\n"
end
it "should present 12 3-char strings 4 per line, sorted vertically, when the width is 20" do
strings = ['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff',
'ggg', 'hhh', 'iii', 'jjj', 'kkk', 'lll']
columnize(strings, 20).should == <<-EOS.gsub(/^ *\|/, '')
| aaa ddd ggg jjj
| bbb eee hhh kkk
| ccc fff iii lll
EOS
end
it "should leave the last column short if there aren't enough strings to fill it" do
strings = ['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff',
'ggg', 'hhh', 'iii', 'jjj', 'kkk']
columnize(strings, 20).should == <<-EOS.gsub(/^ *\|/, '')
| aaa ddd ggg jjj
| bbb eee hhh kkk
| ccc fff iii
EOS
end
it "should pad out strings that are shorter than their column" do
columnize(['aa', 'b', 'c', 'dd'], 8).should == <<-EOS.gsub(/^ *\|/, '')
| aa c
| b dd
EOS
end
end
end
Version data entries
28 entries across 28 versions & 1 rubygems