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require 'stringio'
class TestPlot < Test::Unit::TestCase
include Helper::WithTerm
sub_test_case("#render") do
test("render to $stdout when no arguments") do
sio = StringIO.new
UnicodePlot.barplot(data: {a: 23, b: 37}).render(sio)
begin
save_stdout, $stdout = $stdout, StringIO.new
UnicodePlot.barplot(data: {a: 23, b: 37}).render
assert do
sio.string == $stdout.string
end
ensure
$stdout = save_stdout
end
end
test("color: true") do
_, tty_output = with_sio(tty: true) {|sio| UnicodePlot.barplot(data: {a: 23, b: 37}).render(sio) }
_, notty_output = with_sio(tty: false) {|sio| UnicodePlot.barplot(data: {a: 23, b: 37}).render(sio, color: true) }
assert_equal(tty_output, notty_output)
end
test("color: false") do
_, tty_output = with_sio(tty: true) {|sio| UnicodePlot.barplot(data: {a: 23, b: 37}).render(sio, color: false) }
_, notty_output = with_sio(tty: false) {|sio| UnicodePlot.barplot(data: {a: 23, b: 37}).render(sio) }
assert_equal(tty_output, notty_output)
end
end
end
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