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# frozen_string_literal: true
require_relative 'test_helper'
# Trivial IO test class
# Behavior is not really tested, as call is forwarded to File class
class IOTest < Minitest::Test
def test_method_IO_read_works
begin
::FakeFS.activate!(io_mocks: true)
::File.write('foo', 'bar')
assert_equal 'bar', ::IO.read('foo')
ensure
::FakeFS.deactivate!
::FakeFS::FileSystem.clear
end
refute ::File.exist?('foo')
end
def test_method_IO_write_works
begin
::FakeFS.activate!(io_mocks: true)
::IO.write('foo', 'bar')
assert_equal 'bar', ::File.read('foo')
ensure
::FakeFS.deactivate!
::FakeFS::FileSystem.clear
end
refute ::File.exist?('foo')
end
def test_method_IO_binread_works
begin
::FakeFS.activate!(io_mocks: true)
::File.write('foo', 'bar')
assert_equal 'bar', ::IO.binread('foo')
ensure
::FakeFS.deactivate!
::FakeFS::FileSystem.clear
end
refute ::File.exist?('foo')
end
end
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