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sprockets_test.rb
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sprockets_test.rb
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require "minitest/autorun"
require "sprockets"
require "sprockets/environment"
require "fileutils"
old_verbose, $VERBOSE = $VERBOSE, false
Encoding.default_external = 'UTF-8'
Encoding.default_internal = 'UTF-8'
$VERBOSE = old_verbose
def silence_warnings
old_verbose, $VERBOSE = $VERBOSE, false
yield
ensure
$VERBOSE = old_verbose
end
# Popular extensions for testing but not part of Sprockets core
Sprockets.register_dependency_resolver "rand" do
rand(2**100)
end
NoopProcessor = proc { |input| input[:data] }
# Sprockets.register_mime_type 'text/haml', extensions: ['.haml']
Sprockets.register_engine '.haml', NoopProcessor, mime_type: 'text/html', silence_deprecation: true
# Sprockets.register_mime_type 'text/ng-template', extensions: ['.ngt']
AngularProcessor = proc { |input|
<<-EOS
$app.run(function($templateCache) {
$templateCache.put('#{input[:name]}.html', #{input[:data].chomp.inspect});
});
EOS
}
Sprockets.register_engine '.ngt', AngularProcessor, mime_type: 'application/javascript', silence_deprecation: true
# Sprockets.register_mime_type 'text/mustache', extensions: ['.mustache']
Sprockets.register_engine '.mustache', NoopProcessor, mime_type: 'application/javascript', silence_deprecation: true
# Sprockets.register_mime_type 'text/x-handlebars-template', extensions: ['.handlebars']
Sprockets.register_engine '.handlebars', NoopProcessor, mime_type: 'application/javascript', silence_deprecation: true
# Sprockets.register_mime_type 'application/javascript-module', extensions: ['.es6']
Sprockets.register_engine '.es6', NoopProcessor, mime_type: 'application/javascript', silence_deprecation: true
# Sprockets.register_mime_type 'application/dart', extensions: ['.dart']
Sprockets.register_engine '.dart', NoopProcessor, mime_type: 'application/javascript', silence_deprecation: true
require 'nokogiri'
HtmlBuilderProcessor = proc { |input|
instance_eval <<-EOS
builder = Nokogiri::HTML::Builder.new do |doc|
#{input[:data]}
end
builder.to_html
EOS
}
Sprockets.register_mime_type 'application/html+builder', extensions: ['.html.builder']
Sprockets.register_transformer 'application/html+builder', 'text/html', HtmlBuilderProcessor
XmlBuilderProcessor = proc { |input|
instance_eval <<-EOS
builder = Nokogiri::XML::Builder.new do |xml|
#{input[:data]}
end
builder.to_xml
EOS
}
Sprockets.register_mime_type 'application/xml+builder', extensions: ['.xml.builder']
Sprockets.register_transformer 'application/xml+builder', 'application/xml', XmlBuilderProcessor
require 'sprockets/jst_processor'
Sprockets.register_engine '.jst2', Sprockets::JstProcessor.new(namespace: 'this.JST2'), mime_type: 'application/javascript', silence_deprecation: true
SVG2PNG = proc { |input|
"\x89\x50\x4e\x47\xd\xa\x1a\xa#{input[:data]}"
}
Sprockets.register_transformer 'image/svg+xml', 'image/png', SVG2PNG
PNG2GIF = proc { |input|
"\x47\x49\x46\x38\x37\61#{input[:data]}"
}
Sprockets.register_transformer 'image/png', 'image/gif', PNG2GIF
CSS2HTMLIMPORT = proc { |input|
"<style>#{input[:data]}</style>"
}
Sprockets.register_transformer 'text/css', 'text/html', CSS2HTMLIMPORT
JS2HTMLIMPORT = proc { |input|
"<script>#{input[:data]}</script>"
}
Sprockets.register_transformer 'application/javascript', 'text/html', JS2HTMLIMPORT
Sprockets.register_bundle_metadata_reducer 'text/css', :selector_count, :+
Sprockets.register_postprocessor 'text/css', proc { |input|
{ selector_count: input[:data].scan(/\{/).size }
}
SourceMapTransformer = proc { |input|
accept = case input[:content_type]
when "application/js-sourcemap+json"
accept = "application/javascript"
when "application/css-sourcemap+json"
accept = "text/css"
else
fail input[:content_type]
end
uri, _ = input[:environment].resolve!(input[:filename], accept: accept)
asset = input[:environment].load(uri)
JSON.generate({
"version" => 3,
"file" => asset.logical_path,
"mappings" => ";123"
})
}
Sprockets.register_mime_type 'application/js-sourcemap+json', extensions: ['.js.map']
Sprockets.register_mime_type 'application/css-sourcemap+json', extensions: ['.css.map']
Sprockets.register_transformer 'application/javascript', 'application/js-sourcemap+json', SourceMapTransformer
Sprockets.register_transformer 'text/css', 'application/css-sourcemap+json', SourceMapTransformer
class Sprockets::TestCase < Minitest::Test
FIXTURE_ROOT = File.expand_path(File.join(File.dirname(__FILE__), "fixtures"))
def self.test(name, &block)
define_method("test_#{name.inspect}", &block)
end
def fixture(path)
IO.read(fixture_path(path))
end
def fixture_path(path)
if path.match(FIXTURE_ROOT)
path
else
File.join(FIXTURE_ROOT, path)
end
end
def fixture_path_for_uri(path)
uri_path(fixture_path(path).to_s)
end
def uri_path(path)
path = '/' + path if path[1] == ':' # Windows path / drive letter
path
end
def sandbox(*paths)
backup_paths = paths.select { |path| File.exist?(path) }
remove_paths = paths.select { |path| !File.exist?(path) }
begin
backup_paths.each do |path|
FileUtils.cp(path, "#{path}.orig")
end
yield
ensure
backup_paths.each do |path|
if File.exist?("#{path}.orig")
FileUtils.mv("#{path}.orig", path)
end
assert !File.exist?("#{path}.orig")
end
remove_paths.each do |path|
if File.exist?(path)
FileUtils.rm_rf(path)
end
assert !File.exist?(path)
end
end
end
def write(filename, contents, mtime = nil)
if File.exist?(filename)
mtime ||= [Time.now.to_i, File.stat(filename).mtime.to_i].max + 1
File.open(filename, 'w') do |f|
f.write(contents)
end
File.utime(mtime, mtime, filename)
else
File.open(filename, 'w') do |f|
f.write(contents)
end
File.utime(mtime, mtime, filename) if mtime
end
end
end
module Sprockets
module SilenceDeprecation
def self.silence(&block)
Deprecation.silence(&block)
end
end
end