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# -- encoding: utf-8 --
require 'digest/md5'
require 'fileutils'
require 'tempfile'
require 'helpers_for_test'
class TestSave < TestCase
include TempfileTest
def setup
super
@org_filename = @data_dir + '/test.jpg'
FileUtils.cp(@org_filename, @temp_filename)
@mini_exiftool = MiniExiftool.new @temp_filename
@mini_exiftool_num = MiniExiftool.new @temp_filename, :numerical => true
@org_md5 = Digest::MD5.hexdigest(File.read(@org_filename))
end
def test_allowed_value
@mini_exiftool_num['Orientation'] = 2
result = @mini_exiftool_num.save
assert_equal true, result
assert_equal @org_md5, Digest::MD5.hexdigest(File.read(@org_filename))
assert_not_equal @org_md5, Digest::MD5.hexdigest(File.read(@temp_filename))
assert_equal false, @mini_exiftool_num.changed?
result = @mini_exiftool_num.save
assert_equal false, result
end
def test_non_allowed_value
@mini_exiftool['Orientation'] = 'some string'
result = @mini_exiftool.save
assert_equal false, result
assert_equal 1, @mini_exiftool.errors.size
assert_match(/Can't convert IFD0:Orientation \(not in PrintConv\)/,
@mini_exiftool.errors['Orientation'])
assert @mini_exiftool.changed?
assert @mini_exiftool.changed_tags.include?('Orientation')
end
def test_no_changing_of_file_when_error
@mini_exiftool['ISO'] = 800
@mini_exiftool['Orientation'] = 'some value'
@mini_exiftool['ExposureTime'] = '1/30'
result = @mini_exiftool.save
assert_equal false, result
assert_equal @org_md5, Digest::MD5.hexdigest(File.read(@org_filename))
assert_equal @org_md5, Digest::MD5.hexdigest(File.read(@temp_filename))
end
def test_value_encoding
special_string = 'äöü'
@mini_exiftool.title = special_string
assert @mini_exiftool.save
@mini_exiftool.reload
assert_equal Encoding::UTF_8, @mini_exiftool.title.encoding
assert_equal special_string, @mini_exiftool.title
end
def test_save_bang
@mini_exiftool.orientation = 'some value'
exception = false
begin
@mini_exiftool.save!
rescue MiniExiftool::Error => e
assert_match /Orientation/, e.message
exception = true
end
assert exception, "No exception when save! with error."
end
end
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