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# frozen_string_literal: true
require 'sprockets_test'
class TestTransformers < Sprockets::TestCase
def setup
@env = Sprockets::Environment.new(".")
end
test "resolve transform type for svg" do
assert_equal 'image/svg+xml',
@env.resolve_transform_type('image/svg+xml', 'image/svg+xml')
assert_equal 'image/svg+xml',
@env.resolve_transform_type('image/svg+xml', '*/*')
assert_equal 'image/svg+xml',
@env.resolve_transform_type('image/svg+xml', nil)
assert_equal 'image/svg+xml',
@env.resolve_transform_type('image/svg+xml', 'image/*')
assert_equal 'image/png',
@env.resolve_transform_type('image/svg+xml', 'image/png')
assert_equal 'image/svg+xml',
@env.resolve_transform_type('image/svg+xml', 'image/svg+xml, image/png')
assert_equal 'image/png',
@env.resolve_transform_type('image/svg+xml', 'image/png, image/svg+xml')
assert_equal 'image/png',
@env.resolve_transform_type('image/svg+xml', 'image/svg+xml; q=0.8, image/png')
assert_equal 'image/svg+xml',
@env.resolve_transform_type('image/svg+xml', 'text/yaml, image/svg+xml, image/png')
assert_equal 'image/png',
@env.resolve_transform_type('image/svg+xml', 'text/yaml, image/png, image/svg+xml')
refute @env.resolve_transform_type('image/svg+xml', 'text/yaml')
refute @env.resolve_transform_type(nil, 'image/svg+xml')
refute @env.resolve_transform_type(nil, nil)
end
test "resolve multistep transform type for svg" do
noop = proc {}
assert_equal 'test/svg', @env.resolve_transform_type('test/svg', 'test/svg')
assert_equal 'test/png', @env.resolve_transform_type('test/png', 'test/png')
assert_equal 'test/jpg', @env.resolve_transform_type('test/jpg', 'test/jpg')
assert_equal 'test/gif', @env.resolve_transform_type('test/gif', 'test/gif')
assert_equal 'test/tif', @env.resolve_transform_type('test/tif', 'test/tif')
assert_equal 'test/jif', @env.resolve_transform_type('test/jif', 'test/jif')
refute @env.resolve_transform_type('test/svg', 'test/png')
refute @env.resolve_transform_type('test/svg', 'test/jpg')
refute @env.resolve_transform_type('test/svg', 'test/gif')
refute @env.resolve_transform_type('test/svg', 'test/tif')
refute @env.resolve_transform_type('test/svg', 'test/jif')
@env.register_transformer 'test/svg', 'test/png', noop
assert_equal 'test/png', @env.resolve_transform_type('test/svg', 'test/png')
refute @env.resolve_transform_type('test/svg', 'test/jpg')
refute @env.resolve_transform_type('test/svg', 'test/gif')
refute @env.resolve_transform_type('test/svg', 'test/tif')
refute @env.resolve_transform_type('test/svg', 'test/jif')
@env.register_transformer 'test/svg', 'test/jpg', noop
assert_equal 'test/png', @env.resolve_transform_type('test/svg', 'test/png')
assert_equal 'test/jpg', @env.resolve_transform_type('test/svg', 'test/jpg')
refute @env.resolve_transform_type('test/svg', 'test/gif')
refute @env.resolve_transform_type('test/svg', 'test/tif')
refute @env.resolve_transform_type('test/svg', 'test/jif')
refute @env.resolve_transform_type('test/png', 'test/jpg')
@env.register_transformer 'test/jpg', 'test/gif', noop
assert_equal 'test/png', @env.resolve_transform_type('test/svg', 'test/png')
assert_equal 'test/jpg', @env.resolve_transform_type('test/svg', 'test/jpg')
assert_equal 'test/gif', @env.resolve_transform_type('test/jpg', 'test/gif')
assert_equal 'test/gif', @env.resolve_transform_type('test/svg', 'test/gif')
refute @env.resolve_transform_type('test/svg', 'test/tif')
refute @env.resolve_transform_type('test/svg', 'test/jif')
refute @env.resolve_transform_type('test/png', 'test/jpg')
refute @env.resolve_transform_type('test/png', 'test/gif')
@env.register_transformer 'test/gif', 'test/tif', noop
assert_equal 'test/png', @env.resolve_transform_type('test/svg', 'test/png')
assert_equal 'test/jpg', @env.resolve_transform_type('test/svg', 'test/jpg')
assert_equal 'test/gif', @env.resolve_transform_type('test/jpg', 'test/gif')
assert_equal 'test/gif', @env.resolve_transform_type('test/svg', 'test/gif')
assert_equal 'test/tif', @env.resolve_transform_type('test/gif', 'test/tif')
assert_equal 'test/tif', @env.resolve_transform_type('test/jpg', 'test/tif')
assert_equal 'test/tif', @env.resolve_transform_type('test/svg', 'test/tif')
refute @env.resolve_transform_type('test/svg', 'test/jif')
refute @env.resolve_transform_type('test/png', 'test/jpg')
refute @env.resolve_transform_type('test/png', 'test/gif')
refute @env.resolve_transform_type('test/png', 'test/tif')
@env.register_transformer 'test/tif', 'test/jif', noop
assert_equal 'test/png', @env.resolve_transform_type('test/svg', 'test/png')
assert_equal 'test/jpg', @env.resolve_transform_type('test/svg', 'test/jpg')
assert_equal 'test/gif', @env.resolve_transform_type('test/jpg', 'test/gif')
assert_equal 'test/gif', @env.resolve_transform_type('test/svg', 'test/gif')
assert_equal 'test/tif', @env.resolve_transform_type('test/gif', 'test/tif')
assert_equal 'test/tif', @env.resolve_transform_type('test/jpg', 'test/tif')
assert_equal 'test/tif', @env.resolve_transform_type('test/svg', 'test/tif')
assert_equal 'test/jif', @env.resolve_transform_type('test/jpg', 'test/jif')
assert_equal 'test/jif', @env.resolve_transform_type('test/gif', 'test/jif')
assert_equal 'test/jif', @env.resolve_transform_type('test/tif', 'test/jif')
assert_equal 'test/jif', @env.resolve_transform_type('test/svg', 'test/jif')
refute @env.resolve_transform_type('test/png', 'test/jpg')
refute @env.resolve_transform_type('test/png', 'test/gif')
refute @env.resolve_transform_type('test/png', 'test/tif')
refute @env.resolve_transform_type('test/png', 'test/jif')
end
test "expand transform accepts" do
assert_equal [
['text/plain', 1.0],
['application/plain+ruby', 0.8]
], @env.expand_transform_accepts(@env.parse_q_values('text/plain'))
assert_equal [
['application/javascript', 1.0],
['application/ecmascript-6', 0.8],
['text/coffeescript', 0.8],
['text/eco', 0.8], # TODO: Extra step transform should be weighted down
['text/ejs', 0.8], # TODO: Extra step transform should be weighted down
['application/javascript+function', 0.8],
['application/ecmascript-6+ruby', 0.8],
['application/javascript+ruby', 0.8],
['application/coffeescript+ruby', 0.8],
["application/eco+ruby", 0.8],
["application/ejs+ruby", 0.8],
['text/mustache', 0.8], # TODO: Extra step transform should be weighted down
['text/x-handlebars-template', 0.8], # TODO: Extra step transform should be weighted down
['application/dart', 0.8]
], @env.expand_transform_accepts(@env.parse_q_values('application/javascript'))
assert_equal [['image/png', 1.0], ['image/svg+xml', 0.8]],
@env.expand_transform_accepts(@env.parse_q_values('image/png'))
end
test "compose transformers" do
@env.register_transformer "image/svg", "image/png", proc { |input|
{ data: input[:data] + ",svg->png" }
}
@env.register_transformer "image/png", "image/gif", proc { |input|
{ data: input[:data] + ",png->gif" }
}
data = @env.config[:transformers]['image/svg']['image/png'].call(data: '')
assert_equal({data: ",svg->png"}, data)
data = @env.config[:transformers]['image/svg']['image/gif'].call(data: '')
assert_equal({data: ",svg->png,png->gif"}, data)
assert_raises(Sprockets::ArgumentError) do
@env.compose_transformers(nil, ["image/svg"], nil, nil)
end
assert_raises(Sprockets::ArgumentError) do
@env.compose_transformers(Hash.new { {} }, ["image/svg", "image/jif"], nil, nil)
end
end
end
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