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# -- encoding: utf-8 --
require 'helpers_for_test'
require 'yaml'
class TestDumping < TestCase
def setup
@data_dir = File.dirname(__FILE__) + '/data'
@filename_test = @data_dir + '/test.jpg'
@mini_exiftool = MiniExiftool.new @filename_test
end
def test_to_hash
hash = @mini_exiftool.to_hash
assert_equal Hash, hash.class
assert_equal @mini_exiftool.tags.size, hash.size, 'Size of Hash is not correct.'
assert_not_nil hash['ExifToolVersion'], 'Original name of exiftool tag is not preserved.'
all_ok = true
different_tag = ''
v = ''
hash.each do |k,v|
unless @mini_exiftool[k] == v
all_ok = false
different_tag = k
break
end
end
assert all_ok, "Tag #{different_tag.inspect}: expected: #{@mini_exiftool[different_tag].inspect}, actual: #{v.inspect}"
end
def test_from_hash
hash = @mini_exiftool.to_hash
mini_exiftool_new = MiniExiftool.from_hash hash
assert_equal MiniExiftool, mini_exiftool_new.class
assert_equal @mini_exiftool.tags.size, mini_exiftool_new.tags.size
all_ok = true
different_tag = ''
@mini_exiftool.tags.each do |tag|
unless @mini_exiftool[tag] == mini_exiftool_new[tag]
all_ok = false
different_tag = tag
break
end
end
assert all_ok, "Tag #{different_tag.inspect}: expected: #{@mini_exiftool[different_tag].inspect}, actual: #{mini_exiftool_new[different_tag].inspect}"
end
def test_to_yaml
hash = @mini_exiftool.to_hash
yaml = @mini_exiftool.to_yaml
assert_equal hash, YAML.load(yaml)
end
def test_from_yaml
hash = @mini_exiftool.to_hash
yaml = hash.to_yaml
mini_exiftool_new = MiniExiftool.from_yaml(yaml)
assert_equal MiniExiftool, mini_exiftool_new.class
assert_equal hash, mini_exiftool_new.to_hash
end
def test_heuristics_for_restoring_composite
standard = @mini_exiftool.to_hash
no_composite = MiniExiftool.new(@filename_test, :composite => false).to_hash
assert_equal true, MiniExiftool.from_hash(standard).composite
assert_equal false, MiniExiftool.from_hash(no_composite).composite
assert_equal true, MiniExiftool.from_yaml(standard.to_yaml).composite
assert_equal false, MiniExiftool.from_yaml(no_composite.to_yaml).composite
end
def test_heuristics_for_restoring_numerical
standard = @mini_exiftool.to_hash
numerical = MiniExiftool.new(@filename_test, :numerical => true).to_hash
assert_equal false, MiniExiftool.from_hash(standard).numerical
assert_equal true, MiniExiftool.from_hash(numerical).numerical
assert_equal false, MiniExiftool.from_yaml(standard.to_yaml).numerical
assert_equal true, MiniExiftool.from_yaml(numerical.to_yaml).numerical
end
end
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