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#!/usr/bin/env ruby
# coding: utf-8
require "test_helper"
require "highline"
class TestHighLinePaginator < Minitest::Test
def setup
HighLine.reset
@input = StringIO.new
@output = StringIO.new
@terminal = HighLine.new(@input, @output)
end
def test_paging
@terminal.page_at = 22
@input << "\n\n"
@input.rewind
@terminal.say((1..50).map { |n| "This is line #{n}.\n" }.join)
assert_equal((1..22).map { |n| "This is line #{n}.\n" }.join +
"\n-- press enter/return to continue or q to stop -- \n\n" +
(23..44).map { |n| "This is line #{n}.\n" }.join +
"\n-- press enter/return to continue or q to stop -- \n\n" +
(45..50).map { |n| "This is line #{n}.\n" }.join,
@output.string)
end
def test_statement_lines_count_equal_to_page_at_shouldnt_paginate
@terminal.page_at = 6
@input << "\n"
@input.rewind
list = "a\nb\nc\nd\ne\nf\n"
@terminal.say(list)
assert_equal(list, @output.string)
end
def test_statement_with_one_line_bigger_than_page_at_should_paginate
@terminal.page_at = 6
@input << "\n"
@input.rewind
list = "a\nb\nc\nd\ne\nf\ng\n"
paginated =
"a\nb\nc\nd\ne\nf\n" \
"\n-- press enter/return to continue or q to stop -- \n\n" \
"g\n"
@terminal.say(list)
assert_equal(paginated, @output.string)
end
def test_quiting_paging_shouldnt_raise
# See https://github.com/JEG2/highline/issues/168
@terminal.page_at = 6
@input << "q"
@input.rewind
list = "a\nb\nc\nd\ne\nf\n"
# expect not to raise an error on next line
@terminal.say(list)
end
end
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