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require 'test_helper'
require 'rack'
class Marcel::MimeTypeTest < Marcel::TestCase
def setup
@path = files("image.gif").to_s
end
test "gets content type from Files" do
content_type = File.open @path do |file|
Marcel::MimeType.for file
end
assert_equal "image/gif", content_type
end
test "gets content type from Pathnames" do
content_type = Marcel::MimeType.for Pathname.new(@path)
assert_equal "image/gif", content_type
end
test "closes Pathname files after use" do
content_type = Marcel::MimeType.for Pathname.new(@path)
open_files = ObjectSpace.each_object(File).reject(&:closed?)
assert open_files.none? { |f| f.path == @path }
end
test "gets content type from Tempfiles" do
Tempfile.open("Marcel") do |tempfile|
tempfile.write(File.read(@path))
content_type = Marcel::MimeType.for tempfile
assert_equal "image/gif", content_type
end
end
test "gets content type from IOs" do
io = StringIO.new(File.read(@path))
content_type = Marcel::MimeType.for io
assert_equal "image/gif", content_type
end
test "gets content type from sources that conform to Rack::Lint::InputWrapper" do
io = StringIO.new(File.read(@path))
wrapper = Rack::Lint::InputWrapper.new(io)
content_type = Marcel::MimeType.for wrapper
assert_equal "image/gif", content_type
end
end
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