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#!/usr/bin/env ruby
# coding: utf-8
require "test_helper"
require "highline/wrapper"
class TestHighLineWrapper < Minitest::Test
def setup
@wrap_at = 80
end
def wrap(text)
HighLine::Wrapper.wrap text, @wrap_at
end
def test_dont_wrap_if_line_is_shorter_than_wrap_at
wrapped = wrap("This is a very short line.\n")
assert_equal "This is a very short line.\n", wrapped
end
def test_wrap_long_lines_correctly
long_line =
"This is a long flowing paragraph meant to span " \
"several lines. This text should definitely be " \
"wrapped at the set limit, in the result. Your code " \
"does well with things like this.\n\n"
wrapped_long_line =
"This is a long flowing paragraph meant to span " \
"several lines. This text should\n" \
"definitely be wrapped at the set limit, in the " \
"result. Your code does well with\n" \
"things like this.\n\n"
wrapped = wrap(long_line)
assert_equal wrapped_long_line, wrapped
end
def test_dont_wrap_already_well_wrapped_text
well_formatted_text =
" * This is a simple embedded list.\n" \
" * You're code should not mess with this...\n" \
" * Because it's already formatted correctly and does not\n" \
" exceed the limit!\n"
wrapped = wrap(well_formatted_text)
assert_equal well_formatted_text, wrapped
end
def test_wrap_single_word_longer_than_wrap_at
wrapped = wrap("-=" * 50)
assert_equal(("-=" * 40 + "\n") + ("-=" * 10), wrapped)
end
def test_wrap_plain_text
line = "123 567 901 345"
1.upto(25) do |wrap_at|
wrapped = HighLine::Wrapper.wrap(line, wrap_at)
case wrap_at
when 1
assert_equal "1\n2\n3\n5\n6\n7\n9\n0\n1\n3\n4\n5", wrapped
when 2
assert_equal "12\n3\n56\n7\n90\n1\n34\n5", wrapped
when 3..6
assert_equal "123\n567\n901\n345", wrapped
when 7..10
assert_equal "123 567\n901 345", wrapped
when 11..14
assert_equal "123 567 901\n345", wrapped
when 15..25
assert_equal "123 567 901 345", wrapped
end
end
end
def test_wrap_whole_colored_text
skip "TODO: Implement whole colored text wrapping!"
line = "\e[31m123 567 901 345\e[0m"
1.upto(25) do |wrap_at|
wrapped = HighLine::Wrapper.wrap(line, wrap_at)
case wrap_at
when 1
assert_equal "\e[31m1\n2\n3\n5\n6\n7\n9\n0\n1\n3\n4\n5\e[0m", wrapped
when 2
assert_equal "\e[31m12\n3\n56\n7\n90\n1\n34\n5\e[0m", wrapped
when 3..6
assert_equal "\e[31m123\n567\n901\n345\e[0m", wrapped
when 7..10
assert_equal "\e[31m123 567\n901 345\e[0m", wrapped
when 11..14
assert_equal "\e[31m123 567 901\n345\e[0m", wrapped
when 15..25
assert_equal "\e[31m123 567 901 345\e[0m", wrapped
end
end
end
def test_wrap_partially_colored_text
skip "TODO: Implement middle colored text wrapping!"
line = "123 567 \e[31m901\e[0m 345"
1.upto(25) do |wrap_at|
wrapped = HighLine::Wrapper.wrap(line, wrap_at)
case wrap_at
when 1
assert_equal "1\n2\n3\n5\n6\n7\n\e[31m9\n0\n1\e[0m\n3\n4\n5", wrapped
when 2
assert_equal "12\n3\n56\n7\n\e[31m90\n1\e[0m\n34\n5", wrapped
when 3..6
assert_equal "123\n567\n\e[31m901\e[0m\n345", wrapped
when 7..10
assert_equal "123 567\n\e[31m901\e[0m 345", wrapped
when 11..14
assert_equal "123 567 \e[31m901\e[0m\n345", wrapped
when 15..25
assert_equal "123 567 \e[31m901\e[0m 345", wrapped
end
end
end
def test_wrap_text_with_partially_colored_word_in_the_middle
skip "TODO: Implement middle partially colored text wrapping!"
line = "123 567 9\e[31m0\e[0m1 345"
1.upto(25) do |wrap_at|
wrapped = HighLine::Wrapper.wrap(line, wrap_at)
case wrap_at
when 1
assert_equal "1\n2\n3\n5\n6\n7\n9\n\e[31m0\e[0m\n1\n3\n4\n5", wrapped
when 2
assert_equal "12\n3\n56\n7\n9\e[31m0\e[0m\n1\n34\n5", wrapped
when 3..6
assert_equal "123\n567\n9\e[31m0\e[0m1\n345", wrapped
when 7..10
assert_equal "123 567\n9\e[31m0\e[0m1 345", wrapped
when 11..14
assert_equal "123 567 9\e[31m0\e[0m1\n345", wrapped
when 15..25
assert_equal "123 567 9\e[31m0\e[0m1 345", wrapped
end
end
end
def test_wrap_when_multibyte_characters_present
line_ascii = "Sera um passaro?"
line_utf8 = "Será um pássaro?"
assert_equal 16, line_ascii.size
assert_equal 16, line_ascii.bytesize
assert_equal 16, line_utf8.size
assert_equal 18, line_utf8.bytesize
1.upto(18) do |wrap_at|
wrapped = HighLine::Wrapper.wrap(line_utf8, wrap_at)
case wrap_at
when 1
assert_equal "S\ne\nr\ná\nu\nm\np\ná\ns\ns\na\nr\no\n?", wrapped
when 2
assert_equal "Se\nrá\num\npá\nss\nar\no?", wrapped
when 3
assert_equal "Ser\ná\num\npás\nsar\no?", wrapped
when 4
assert_equal "Será\num\npáss\naro?", wrapped
when 5
assert_equal "Será\num\npássa\nro?", wrapped
when 6
assert_equal "Será\num\npássar\no?", wrapped
when 7
assert_equal "Será um\npássaro\n?", wrapped
when 15..8
assert_equal "Será um\npássaro?", wrapped
when 16..18
assert_equal "Será um pássaro?", wrapped
end
end
end
end
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