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# frozen_string_literal: true
require 'spec_helper'
describe Prawn::Text do
let(:pdf) { create_pdf }
describe '#text_rendering_mode' do
it 'draws the text rendering mode to the document' do
pdf.text_rendering_mode(:stroke) do
pdf.text('hello world')
end
contents = PDF::Inspector::Text.analyze(pdf.render)
expect(contents.text_rendering_mode.first).to eq(1)
end
it 'does not draw the text rendering mode to the document' \
' when the new mode matches the old' do
pdf.text_rendering_mode(:fill) do
pdf.text('hello world')
end
contents = PDF::Inspector::Text.analyze(pdf.render)
expect(contents.text_rendering_mode).to be_empty
end
it 'restores character spacing to 0' do
pdf.text_rendering_mode(:stroke) do
pdf.text('hello world')
end
contents = PDF::Inspector::Text.analyze(pdf.render)
expect(contents.text_rendering_mode).to eq([1, 0])
end
it 'functions as an accessor when no parameter given' do
pdf.text_rendering_mode(:fill_stroke) do
pdf.text('hello world')
expect(pdf.text_rendering_mode).to eq(:fill_stroke)
end
expect(pdf.text_rendering_mode).to eq(:fill)
end
it 'raise_errors an exception when passed an invalid mode' do
expect { pdf.text_rendering_mode(-1) }.to raise_error(ArgumentError)
expect { pdf.text_rendering_mode(8) }.to raise_error(ArgumentError)
expect { pdf.text_rendering_mode(:flil) }.to raise_error(ArgumentError)
end
end
end
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