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49 lines
1.4 KiB
Ruby
49 lines
1.4 KiB
Ruby
require 'rails_helper'
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describe AsciicastImageGenerator, needs_phantomjs_2_bin: true do
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let(:image_generator) { AsciicastImageGenerator.new(template_renderer) }
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let(:template_renderer) { ApplicationController.new }
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describe '#generate' do
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let(:asciicast) {
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create(
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:asciicast,
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theme_name: 'asciinema',
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file: Asciinema::FixtureHelpers.fixture_file('1/screenshot.json', 'application/json')
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)
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}
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def rgb(color)
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[ChunkyPNG::Color.r(color), ChunkyPNG::Color.g(color), ChunkyPNG::Color.b(color)]
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end
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before do
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image_generator.generate(asciicast)
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end
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it 'generates screenshot of "snapshot frame"' do
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png = ChunkyPNG::Image.from_file(asciicast.image.path)
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# make sure there are black-ish borders
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expect(rgb(png[1, 1])).to eq([17, 19, 20])
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expect(rgb(png[png.width - 2, png.height - 2])).to eq([17, 19, 20])
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# check content color (red-ish text background)
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expect(rgb(png[93, 15])).to eq([221, 60, 105])
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# make sure white SVG play icon is rendered correctly
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expect(rgb(png[png.width / 2, (png.height / 2) - 10])).to eq([255, 255, 255])
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# make sure PowerlineSymbols are rendered
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expect(rgb(png[114, 28])).to eq([78, 191, 34])
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end
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it 'sets image_width and image_height on the asciicast' do
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expect(asciicast.image_width).to_not be(nil)
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expect(asciicast.image_height).to_not be(nil)
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end
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end
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end
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