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test_cursors.rb
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test_cursors.rb
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require 'helper'
class TestSpinningCursorCursor < Test::Unit::TestCase
context "dots" do
should "reset line after printing three dots" do
capture_stdout do |out|
dots = Thread.new do
SpinningCursor::Cursor.new("").spin :dots
end
sleep 5
dots.kill
# \r\e[0K is move cursor to the start of the line and clear line
# in bash
assert_equal "...\r\e[0K", out.string
end
end
end
context "spinner" do
should "cycle through correctly" do
capture_stdout do |out|
spinner = Thread.new do
SpinningCursor::Cursor.new("").spin :spinner
end
sleep 0.1
assert_equal "|", out.string
buffer = "|\r\e[0K"
sleep 0.5
assert_equal "#{buffer}/", out.string
buffer += "/\r\e[0K"
sleep 0.5
assert_equal "#{buffer}-", out.string
buffer += "-\r\e[0K"
sleep 0.5
assert_equal "#{buffer}\\", out.string
buffer += "\\\r\e[0K"
sleep 0.5
assert_equal "#{buffer}|", out.string
spinner.kill
end
end
end
end