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# -- encoding: utf-8 --
require 'helpers_for_test'
require 'stringio'
class TestIo < TestCase
def test_simple_case
io = open_real_io
mini_exiftool = MiniExiftool.new(io)
assert_equal false, io.closed?, 'IO should not be closed.'
assert_equal 400, mini_exiftool.iso
end
def test_non_readable_io
assert_raises MiniExiftool::Error do
begin
MiniExiftool.new($stdout)
rescue MiniExiftool::Error => e
assert_equal 'IO is not readable.', e.message
raise e
end
end
end
def test_no_writing_when_using_io
io = open_real_io
m = MiniExiftool.new(io)
m.iso = 100
assert_raises MiniExiftool::Error do
begin
m.save
rescue MiniExiftool::Error => e
assert_equal 'No writing support when using an IO.', e.message
raise e
end
end
end
def test_fast_options
$DEBUG = true
s = StringIO.new
$stderr = s
MiniExiftool.new open_real_io
s.rewind
assert_match /^exiftool -j "-"$/, s.read
s = StringIO.new
$stderr = s
MiniExiftool.new open_real_io, :fast => true
s.rewind
assert_match /^exiftool -j -fast "-"$/, s.read
s = StringIO.new
$stderr = s
MiniExiftool.new open_real_io, :fast2 => true
s.rewind
assert_match /^exiftool -j -fast2 "-"$/, s.read
ensure
$DEBUG = false
$stderr = STDERR
end
protected
def open_real_io
File.open(File.join(File.dirname(__FILE__), 'data', 'test.jpg'), 'r')
end
end
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