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class BarplotTest < Test::Unit::TestCase
include Helper::Fixture
include Helper::WithTerm
sub_test_case("UnicodePlot.barplot") do
test("errors") do
assert_raise(ArgumentError) do
UnicodePlot.barplot([:a], [-1, 2])
end
assert_raise(ArgumentError) do
UnicodePlot.barplot([:a, :b], [-1, 2])
end
end
sub_test_case("with invalid arguments") do
test("unknown border type") do
assert_raise(ArgumentError.new("unknown border type: invalid_border_name")) do
UnicodePlot.barplot(data: {bar: 23, foo: 37}, border: :invalid_border_name)
end
end
end
test("colored") do
data = { bar: 23, foo: 37 }
plot = UnicodePlot.barplot(data: data)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/default.txt").read,
output)
plot = UnicodePlot.barplot([:bar, :foo], [23, 37])
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/default.txt").read,
output)
end
test("not colored") do
data = { bar: 23, foo: 37 }
plot = UnicodePlot.barplot(data: data)
output = StringIO.open do |sio|
sio.print(plot)
sio.close
sio.string
end
assert_equal(fixture_path("barplot/nocolor.txt").read,
output)
end
test("mixed") do
data = { bar: 23.0, 2.1 => 10, foo: 37.0 }
plot = UnicodePlot.barplot(data: data)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/default_mixed.txt").read,
output)
end
sub_test_case("xscale: :log10") do
test("default") do
plot = UnicodePlot.barplot(
[:a, :b, :c, :d, :e],
[0, 1, 10, 100, 1000],
title: "Logscale Plot",
xscale: :log10
)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/log10.txt").read,
output)
end
test("with custom label") do
plot = UnicodePlot.barplot(
[:a, :b, :c, :d, :e],
[0, 1, 10, 100, 1000],
title: "Logscale Plot",
xlabel: "custom label",
xscale: :log10
)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/log10_label.txt").read,
output)
end
end
sub_test_case("with parameters") do
test("parameters1") do
plot = UnicodePlot.barplot(
["Paris", "New York", "Moskau", "Madrid"],
[2.244, 8.406, 11.92, 3.165],
title: "Relative sizes of cities",
xlabel: "population [in mil]",
color: :blue,
margin: 7,
padding: 3
)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/parameters1.txt").read,
output)
end
test("parameters1_nolabels") do
plot = UnicodePlot.barplot(
["Paris", "New York", "Moskau", "Madrid"],
[2.244, 8.406, 11.92, 3.165],
title: "Relative sizes of cities",
xlabel: "population [in mil]",
color: :blue,
margin: 7,
padding: 3,
labels: false
)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/parameters1_nolabels.txt").read,
output)
end
test("parameters2") do
plot = UnicodePlot.barplot(
["Paris", "New York", "Moskau", "Madrid"],
[2.244, 8.406, 11.92, 3.165],
title: "Relative sizes of cities",
xlabel: "population [in mil]",
color: :yellow,
border: :solid,
symbol: "=",
width: 60
)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/parameters2.txt").read,
output)
end
end
test("ranges") do
plot = UnicodePlot.barplot(2..6, 11..15)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/ranges.txt").read,
output)
end
test("all zeros") do
plot = UnicodePlot.barplot([5, 4, 3, 2, 1], [0, 0, 0, 0, 0])
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/edgecase_zeros.txt").read,
output)
end
test("one large") do
plot = UnicodePlot.barplot([:a, :b, :c, :d], [1, 1, 1, 1000000])
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/edgecase_onelarge.txt").read,
output)
end
end
sub_test_case("UnicodePlot.barplot!") do
test("errors") do
plot = UnicodePlot.barplot([:bar, :foo], [23, 37])
assert_raise(ArgumentError) do
UnicodePlot.barplot!(plot, ["zoom"], [90, 80])
end
assert_raise(ArgumentError) do
UnicodePlot.barplot!(plot, ["zoom", "boom"], [90])
end
UnicodePlot.barplot!(plot, "zoom", 90.1)
end
test("return value") do
plot = UnicodePlot.barplot([:bar, :foo], [23, 37])
assert_same(plot,
UnicodePlot.barplot!(plot, ["zoom"], [90]))
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/default2.txt").read,
output)
plot = UnicodePlot.barplot([:bar, :foo], [23, 37])
assert_same(plot,
UnicodePlot.barplot!(plot, "zoom", 90))
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/default2.txt").read,
output)
plot = UnicodePlot.barplot([:bar, :foo], [23, 37])
assert_same(plot,
UnicodePlot.barplot!(plot, data: { zoom: 90 }))
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/default2.txt").read,
output)
end
test("ranges") do
plot = UnicodePlot.barplot(2..6, 11..15)
assert_same(plot,
UnicodePlot.barplot!(plot, 9..10, 20..21))
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("barplot/ranges2.txt").read,
output)
end
end
end
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