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# frozen_string_literal: true
require "mime/types"
require "minitest_helper"
describe MIME::Types, "registry" do
def setup
MIME::Types.send(:load_default_mime_types)
end
describe "is enumerable" do
it "correctly uses an Enumerable method like #any?" do
assert(MIME::Types.any? { |type| type.content_type == "text/plain" })
end
it "implements each with no parameters to return an Enumerator" do
assert_kind_of Enumerator, MIME::Types.each
assert_kind_of Enumerator, MIME::Types.map
end
it "will create a lazy enumerator" do
assert_kind_of Enumerator::Lazy, MIME::Types.lazy
assert_kind_of Enumerator::Lazy, MIME::Types.map.lazy
end
it "is countable with an enumerator" do
assert MIME::Types.each.count > 999
assert MIME::Types.lazy.count > 999
end
end
describe ".[]" do
it "can be searched with a MIME::Type" do
text_plain = MIME::Type.new("content-type" => "text/plain")
assert_includes MIME::Types[text_plain], "text/plain"
assert_equal 1, MIME::Types[text_plain].size
end
it "can be searched with a regular expression" do
assert_includes MIME::Types[/plain$/], "text/plain"
assert_equal 1, MIME::Types[/plain$/].size
end
it "sorts by priority with multiple matches" do
types = MIME::Types[/gzip$/].select { |t|
%w[application/gzip application/x-gzip multipart/x-gzip].include?(t)
}
# This is this way because of a new type ending with gzip that only
# appears in some data files.
assert_equal %w[application/gzip application/x-gzip multipart/x-gzip], types
assert_equal 3, types.size
end
it "can be searched with a string" do
assert_includes MIME::Types["text/plain"], "text/plain"
assert_equal 1, MIME::Types["text/plain"].size
end
it "can be searched with the complete flag" do
assert_empty MIME::Types[
"application/x-www-form-urlencoded",
complete: true
]
assert_includes MIME::Types["text/plain", complete: true], "text/plain"
assert_equal 1, MIME::Types["text/plain", complete: true].size
end
it "can be searched with the registered flag" do
assert_empty MIME::Types["application/x-wordperfect6.1", registered: true]
refute_empty MIME::Types[
"application/x-www-form-urlencoded",
registered: true
]
refute_empty MIME::Types[/gzip/, registered: true]
refute_equal MIME::Types[/gzip/], MIME::Types[/gzip/, registered: true]
end
end
describe ".type_for" do
it "finds all types for a given extension" do
assert_equal %w[application/gzip application/x-gzip],
MIME::Types.type_for("gz")
end
it "separates the extension from filenames" do
assert_equal %w[image/jpeg], MIME::Types.of(["foo.jpeg", "bar.jpeg"])
end
it "finds multiple extensions" do
assert_equal %w[image/jpeg text/plain],
MIME::Types.type_for(%w[foo.txt foo.jpeg])
end
it "does not find unknown extensions" do
assert_empty MIME::Types.type_for("zzz")
end
it "modifying type extensions causes reindexing" do
plain_text = MIME::Types["text/plain"].first
plain_text.add_extensions("xtxt")
assert_includes MIME::Types.type_for("xtxt"), "text/plain"
end
it "handles newline characters correctly" do
assert_includes MIME::Types.type_for("test.pdf\n.txt"), "text/plain"
assert_includes MIME::Types.type_for("test.txt\n.pdf"), "application/pdf"
end
end
describe ".count" do
it "can count the number of types inside" do
assert MIME::Types.count > 999
end
end
describe ".add" do
def setup
MIME::Types.instance_variable_set(:@__types__, nil)
MIME::Types.send(:load_default_mime_types)
end
let(:eruby) { MIME::Type.new("content-type" => "application/x-eruby") }
let(:jinja) { MIME::Type.new("content-type" => "application/jinja2") }
it "successfully adds a new type" do
MIME::Types.add(eruby)
assert_equal MIME::Types["application/x-eruby"], [eruby]
end
it "complains about adding a duplicate type" do
MIME::Types.add(eruby)
assert_output "", /is already registered as a variant/ do
MIME::Types.add(eruby)
end
assert_equal MIME::Types["application/x-eruby"], [eruby]
end
it "does not complain about adding a duplicate type when quiet" do
MIME::Types.add(eruby)
assert_silent do
MIME::Types.add(eruby, :silent)
end
assert_equal MIME::Types["application/x-eruby"], [eruby]
end
it "successfully adds from an array" do
MIME::Types.add([eruby, jinja])
assert_equal MIME::Types["application/x-eruby"], [eruby]
assert_equal MIME::Types["application/jinja2"], [jinja]
end
it "successfully adds from another MIME::Types" do
old_count = MIME::Types.count
mt = MIME::Types.new
mt.add(eruby)
MIME::Types.add(mt)
assert_equal old_count + 1, MIME::Types.count
assert_equal MIME::Types[eruby.content_type], [eruby]
end
end
end
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