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Contents
require_relative '../lib/inline_svg'
require "stringio"
require "tempfile"
describe InlineSvg::IOResource do
it "support api methods" do
is_expected.to respond_to(:===, :read)
end
describe '#===' do
context 'return true' do
it "for IO object" do
read_io, write_io = IO.pipe
expect(subject === read_io).to be true
expect(subject === write_io).to be true
end
it "for StringIO object" do
expect(subject === StringIO.new).to be true
end
it "for File object" do
expect(subject === File.new("#{Dir.tmpdir}/testfile", "w")).to be true
end
end
context 'return false' do
it "for String object" do
expect(subject === "string/filename").to be false
end
end
end
describe '#read' do
tests = proc do
it "closed raise error" do
rio.close
expect do
subject.read(rio)
end.to raise_error(IOError)
end
it "empty" do
rio.read
expect(subject.read rio).to eq ''
end
it "twice" do
expect(subject.read rio).to eq answer
expect(subject.read rio).to eq answer
end
it "write only raise error" do
expect do
subject.read wio
end.to raise_error(IOError)
end
end
context 'IO object' do
let(:answer) { 'read' }
let(:rio) { StringIO.new(answer, 'r') }
let(:wio) { StringIO.new('write', 'w') }
instance_exec &tests
end
context 'File object' do
let(:file_path) { File.expand_path('../files/example.svg', __FILE__) }
let(:answer) { File.read(file_path) }
let(:rio) { File.new(file_path, 'r') }
let(:wio) { File.new('/dev/null', 'w') }
instance_exec &tests
it 'has non empty body' do
expect(answer).to_not eq ''
end
end
end
end
Version data entries
32 entries across 32 versions & 2 rubygems