fake_io
Description
{FakeIO} is a mixin module for creating fake IO-like classes.
Features
- Supports all of the Ruby 2.x and 3.x IO instance methods.
- Emulates buffered I/O.
- UTF-8 aware.
- Can be included into any Class.
- Zero dependencies.
Requirements
- Ruby >= 2.0.0
Install
$ gem install fake_iogemspec
gem.add_dependency 'fake_io', '~> 1.0'Gemfile
gem 'fake_io', '~> 1.0'Examples
require 'fake_io'
class FakeFile
include FakeIO
def initialize(chunks=[])
@index = 0
@chunks = chunks
io_initialize
end
protected
def io_read
unless (block = @chunks[@index])
raise(EOFError,"end of stream")
end
@index += 1
return block
end
def io_write(data)
@chunks[@index] = data
@index += 1
return data.length
end
end
file = FakeFile.new(["one\ntwo\n", "three\nfour", "\n"])
file.readlines
# => ["one\n", "two\n", "three\n", "four\n"]Copyright
See {file:LICENSE.txt} for details.