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# frozen_string_literal: true
require "mime/types"
require "minitest_helper"
MUTEX = Mutex.new
describe MIME::Types::Cache do
include Minitest::Hooks
def around
require "fileutils"
MUTEX.synchronize do
@cache_file = File.expand_path("../cache.tst", __FILE__)
ENV["RUBY_MIME_TYPES_CACHE"] = @cache_file
clear_cache_file
super
clear_cache_file
ENV.delete("RUBY_MIME_TYPES_CACHE")
end
end
def reset_mime_types
MIME::Types.instance_variable_set(:@__types__, nil)
MIME::Types.send(:load_default_mime_types)
end
def clear_cache_file
FileUtils.rm @cache_file if File.exist? @cache_file
end
describe ".load" do
it "does not use cache when RUBY_MIME_TYPES_CACHE is unset" do
ENV.delete("RUBY_MIME_TYPES_CACHE")
assert_nil MIME::Types::Cache.load
end
it "does not use cache when missing" do
assert_nil MIME::Types::Cache.load
end
it "registers the data to be updated by #add_extensions" do
MIME::Types::Cache.save
reset_mime_types
assert_equal([], MIME::Types.type_for("foo.additional"))
html = MIME::Types["text/html"][0]
html.add_extensions("additional")
assert_equal([html], MIME::Types.type_for("foo.additional"))
end
it "outputs an error when there is an invalid version" do
v = MIME::Types::Data::VERSION
MIME::Types::Data.send(:remove_const, :VERSION)
MIME::Types::Data.const_set(:VERSION, "0.0")
MIME::Types::Cache.save
MIME::Types::Data.send(:remove_const, :VERSION)
MIME::Types::Data.const_set(:VERSION, v)
MIME::Types.instance_variable_set(:@__types__, nil)
assert_output "", /MIME::Types cache: invalid version/ do
MIME::Types["text/html"]
end
end
it "outputs an error when there is a marshal file incompatibility" do
MIME::Types::Cache.save
data = File.binread(@cache_file).reverse
File.binwrite(@cache_file, data)
MIME::Types.instance_variable_set(:@__types__, nil)
assert_output "", /incompatible marshal file format/ do
MIME::Types["text/html"]
end
end
end
describe ".save" do
it "does not create cache when RUBY_MIME_TYPES_CACHE is unset" do
ENV.delete("RUBY_MIME_TYPES_CACHE")
assert_nil MIME::Types::Cache.save
end
it "creates the cache " do
assert_equal(false, File.exist?(@cache_file))
MIME::Types::Cache.save
assert_equal(true, File.exist?(@cache_file))
end
it "uses the cache" do
MIME::Types["text/html"].first.add_extensions("hex")
MIME::Types::Cache.save
MIME::Types.instance_variable_set(:@__types__, nil)
assert_includes MIME::Types["text/html"].first.extensions, "hex"
reset_mime_types
end
end
end
describe MIME::Types::Container do
it "marshals and unmarshals correctly" do
container = MIME::Types::Container.new
container.add("xyz", "abc")
# default proc should return Set[]
assert_equal(Set[], container["abc"])
assert_equal(Set["abc"], container["xyz"])
marshalled = Marshal.dump(container)
loaded_container = Marshal.load(marshalled)
# default proc should still return Set[]
assert_equal(Set[], loaded_container["abc"])
assert_equal(Set["abc"], container["xyz"])
end
end
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