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# -- encoding: utf-8 --
require 'helpers_for_test'
class TestClassMethods < TestCase
def test_new
assert_nothing_raised do
@mini_exiftool = MiniExiftool.new
end
assert_equal nil, @mini_exiftool.filename
assert_nothing_raised do
MiniExiftool.new nil
end
assert_raises MiniExiftool::Error do
MiniExiftool.new false
end
assert_raises MiniExiftool::Error do
MiniExiftool.new ''
end
assert_raises MiniExiftool::Error do
MiniExiftool.new 'not_existing_file'
end
assert_raises MiniExiftool::Error do
MiniExiftool.new '.' # directory
end
begin
MiniExiftool.new 'not_existing_file'
rescue MiniExiftool::Error => e
assert_match /File 'not_existing_file' does not exist/, e.message
end
end
def test_command
cmd = MiniExiftool.command
assert_equal 'exiftool', cmd
MiniExiftool.command = 'non_existend'
assert_equal 'non_existend', MiniExiftool.command
assert_raises MiniExiftool::Error do
met = MiniExiftool.new(File.join(File.dirname(__FILE__),
'data/test.jpg'))
end
MiniExiftool.command = cmd
end
def test_opts
opts = MiniExiftool.opts
assert_kind_of Hash, opts
begin
org = MiniExiftool.opts[:composite]
met1 = MiniExiftool.new
MiniExiftool.opts[:composite] = !org
met2 = MiniExiftool.new
MiniExiftool.opts[:composite] = org
met3 = MiniExiftool.new
assert_equal org, met1.composite
assert_equal !org, met2.composite
assert_equal org, met1.composite
ensure
MiniExiftool.opts[:composite] = org
end
end
def test_all_tags
all_tags = MiniExiftool.all_tags
assert all_tags.include?('ISO')
assert all_tags.include?('ExifToolVersion')
end
def test_writable_tags
w_tags = MiniExiftool.writable_tags
assert w_tags.include?('ISO')
assert ! w_tags.include?('ExifToolVersion')
end
def test_exiftool_version
v = MiniExiftool.exiftool_version
assert_match /\A\d+\.\d+\z/, v
end
end
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