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101 lines
2.7 KiB
101 lines
2.7 KiB
require 'spec_helper' |
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require 'squib/args/draw' |
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describe Squib::Args::Draw do |
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let(:custom_colors) { { 'foo' => 'abc' } } |
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subject(:draw) {Squib::Args::Draw.new(custom_colors)} |
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context 'unit conversion' do |
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it 'converts units on stroke width' do |
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args = { stroke_width: '2in' } |
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draw.load!(args, expand_by: 2) |
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expect(draw).to have_attributes(stroke_width: [600, 600]) |
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end |
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end |
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context 'dsl overrides' do |
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subject(:draw) {Squib::Args::Draw.new(custom_colors, { stroke_width: 0.0 })} |
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it 'works when specified' do |
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draw.load!({}) # go right to defaults |
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expect(draw.stroke_width).to eq([0.0]) # ordinarily a non-zero according |
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end |
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end |
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context 'validation' do |
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it 'converts to Cairo options' do |
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args = { join: 'bevel', cap: 'round' } |
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draw.load!(args) |
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expect(draw).to have_attributes( |
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join: [Cairo::LINE_JOIN_BEVEL], |
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cap: [Cairo::LINE_JOIN_ROUND] |
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) |
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end |
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it 'parses dash options' do |
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args = { dash: '3 4 5' } |
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draw.load!(args) |
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expect(draw).to have_attributes(dash: [[3, 4, 5]]) |
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end |
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it 'parses more complex dash options' do |
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args = { dash: '30.5, 90, 5' } |
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draw.load!(args) |
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expect(draw).to have_attributes(dash: [[30.5, 90, 5]]) |
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end |
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it 'does unit conversion on dash options' do |
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args = { dash: '3in 4in 5in' } |
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draw.load!(args) |
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expect(draw).to have_attributes(dash: [[900, 1200, 1500]]) |
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end |
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it 'converts line caps to Cairo constants' do |
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args = { cap: :SQUARE } |
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draw.load! args |
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expect(draw).to have_attributes(cap: [Cairo::LINE_CAP_SQUARE]) |
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end |
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it 'converts line join' do |
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args = { join: 'round' } |
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draw.load! args |
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expect(draw).to have_attributes(join: [Cairo::LINE_JOIN_ROUND]) |
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end |
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it 'allows fill_first stroke_strategy' do |
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args = { stroke_strategy: :FILL_first } |
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draw.load! args |
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expect(draw).to have_attributes(stroke_strategy: [:fill_first]) |
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end |
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it 'allows stroke_first stroke_strategy' do |
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args = { stroke_strategy: ' stroke_FIRST ' } |
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draw.load! args |
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expect(draw).to have_attributes(stroke_strategy: [:stroke_first]) |
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end |
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it 'disallows anything not stroke_first and fill_first' do |
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args = { stroke_strategy: 'foo' } |
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expect { draw.load! args }.to raise_error("Only 'stroke_first' or 'fill_first' allowed") |
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end |
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context 'custom colors' do |
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it 'looks up custom colors in the config' do |
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draw.load!({ color: 'foo' }) |
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expect(draw.color).to eq ['abc'] |
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end |
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it 'passes on through for non-custom color' do |
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draw = Squib::Args::Draw.new(custom_colors) |
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draw.load!({ color: 'bar' }) |
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expect(draw.color).to eq ['bar'] |
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end |
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end |
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end |
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end
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