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# encoding: utf-8
#
# Copyright October 2014, Jesse Doyle. All rights reserved.
#
# This is free software. Please see the LICENSE and COPYING files for details.
require 'spec_helper'
describe Prawn::Icon::FontData do
let(:pdf) { create_pdf }
let(:fontawesome) { Prawn::Icon::FontData.new(pdf, set: :far) }
before { Prawn::Icon::FontData.release_data }
describe '#initialize' do
before { Prawn::Icon::FontData.new(pdf, set: :far) }
it 'should update font_families on initialization' do
expect(pdf.font_families['far']).not_to be_nil
end
end
describe '::load' do
context 'specifier is a string' do
let(:data) { Prawn::Icon::FontData.load(pdf, 'far') }
it 'should load the font' do
expect(data).not_to be_nil
end
it 'should only load a single object for multiple documents' do
obj_id_1 = data.object_id
second = Prawn::Icon::FontData.load(pdf, 'far')
obj_id_2 = second.object_id
expect(obj_id_1).to eq(obj_id_2)
end
end
context 'specifier is a symbol' do
let(:data) { Prawn::Icon::FontData.load(pdf, :far) }
it 'should load the font' do
expect(data).not_to be_nil
end
end
end
describe '::release_data' do
it 'should remove all data references if requested' do
Prawn::Icon::FontData.load(pdf, :far)
Prawn::Icon::FontData.load(pdf, :fi)
data = Prawn::Icon::FontData.release_data
expect(data).to be_empty
end
end
describe '::unicode_from_key' do
it 'should provide a UTF-8 string for a valid key' do
unicode = Prawn::Icon::FontData.unicode_from_key(pdf, 'far-address-book')
valid = unicode.force_encoding('UTF-8').valid_encoding?
expect(valid).to be true
end
end
describe '::specifier_from_key' do
it 'should provide the font specifier from a valid key' do
specifier = Prawn::Icon::FontData.specifier_from_key('far-address-book')
expect(specifier).to eq(:far)
end
it 'should error when key is nil' do
expect { Prawn::Icon::FontData.specifier_from_key(nil) }.to raise_error(
Prawn::Icon::Errors::IconKeyEmpty
)
end
it 'should error when key is an empty string' do
expect { Prawn::Icon::FontData.specifier_from_key('') }.to raise_error(
Prawn::Icon::Errors::IconKeyEmpty
)
end
it 'should handle strings without any dashes properly' do
specifier = Prawn::Icon::FontData.specifier_from_key 'foo'
expect(specifier).to eq(:foo)
end
end
describe '#font_version' do
it 'should have a font version as a string' do
version = fontawesome.font_version
expect(version).to be_a(String)
end
end
describe '#legend_path' do
it 'should have a valid path to a yml file for legend' do
path = fontawesome.legend_path
extname = File.extname(path)
expect(extname).to eq('.yml')
end
end
describe '#load_fonts' do
it 'should return a FontData object' do
ret_val = fontawesome.load_fonts(pdf)
expect(ret_val).to be_a(Prawn::Icon::FontData)
end
end
describe '#path' do
it 'should have a valid path to a TTF file' do
path = fontawesome.path
extname = File.extname(path)
expect(extname).to eq('.ttf')
end
end
describe '#specifier' do
it 'should retrieve the string specifier from the yaml legend file' do
specifier = fontawesome.specifier
expect(specifier).to eq('far')
end
end
describe '#unicode' do
it 'should provide a valid UTF-8 encoded string for a valid key' do
unicode = fontawesome.unicode('address-book')
valid = unicode.force_encoding('UTF-8').valid_encoding?
expect(valid).to be true
end
it 'should raise an error if unable to match a key' do
expect { fontawesome.unicode('an invalid sequence') }.to raise_error(
Prawn::Icon::Errors::IconNotFound
)
end
end
describe '#keys' do
it 'should return a non-empty array of strings' do
keys = fontawesome.keys
expect(keys).not_to be_empty
expect(keys.first).to be_a(String)
end
it 'should not contain the version as a key' do
keys = fontawesome.keys
expect(keys.include?('__font_version__')).to be false
end
end
describe '#yaml' do
it 'should return a hash with the specifier as the first key' do
yaml = fontawesome.yaml
key = yaml.keys.first
mapping = yaml['far']
inner_key = mapping.keys.last
inner_value = mapping.values.last
proc = Proc.new { inner_value.force_encoding('UTF-8').valid_encoding? }
expect(yaml).to be_a(Hash)
expect(key).to eq('far')
expect(inner_key).to be_a(String)
expect(inner_value).to be_a(String)
expect(proc.call).to be true
end
end
end
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