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# frozen_string_literal: true
require 'sprockets_test'
require 'yaml'
class TestContext < Sprockets::TestCase
def setup
@env = Sprockets::Environment.new(".")
@env.append_path(fixture_path('context'))
end
test "context environment is cached" do
instances = @env["environment.js"].to_s.split("\n")
assert_match "Sprockets::CachedEnvironment", instances[0]
assert_equal instances[0], instances[1]
end
test "source file properties are exposed in context" do
json = @env["properties.js"].to_s.chomp.chop
assert_equal({
'filename' => fixture_path("context/properties.js.erb"),
'__FILE__' => fixture_path("context/properties.js.erb"),
'root_path' => fixture_path("context"),
'logical_path' => "properties",
'content_type' => "application/javascript"
}, YAML.load(json))
end
test "source file properties are exposed in context when path contains periods" do
json = @env["properties.with.periods.js"].to_s.chomp.chop
assert_equal({
'filename' => fixture_path("context/properties.with.periods.js.erb"),
'__FILE__' => fixture_path("context/properties.with.periods.js.erb"),
'root_path' => fixture_path("context"),
'logical_path' => "properties.with.periods",
'content_type' => "application/javascript"
}, YAML.load(json))
end
test "asset_data_uri encodes svg using optimized URI-escaping" do
assert_equal(<<-CSS, @env["svg-embed.css"].to_s)
.svg-embed {
background: url("data:image/svg+xml;charset=utf-8,%3Csvg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='512' height='512' viewBox='0 0 512 512'%3E%3Cpath d='M224 387.814v124.186l-192-192 192-192v126.912c223.375 5.24 213.794-151.896 156.931-254.912 140.355 151.707 110.55 394.785-156.931 387.814z'%3E%3C/path%3E%3C/svg%3E");
}
CSS
end
test "extend context" do
@env.context_class.class_eval do
def datauri(path)
[File.open(path, "rb") { |f| f.read }].pack('m')
end
end
assert_equal ".pow {\n background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZoAAAEsCAMAAADNS4U5AAAAGXRFWHRTb2Z0\n",
@env["helpers.css"].to_s.lines.to_a[0..1].join
assert_equal 58240, @env["helpers.css"].length
end
test "resolve with content type" do
assert_equal(<<-FILE, @env["resolve_content_type.js"].to_s)
file://#{fixture_path_for_uri("context/foo.js")}?type=application/javascript;
file://#{fixture_path_for_uri("context/foo.js")}?type=application/javascript;
FILE
end
end
class TestCustomProcessor < Sprockets::TestCase
def setup
@env = Sprockets::Environment.new
@env.append_path(fixture_path('context'))
end
require 'yaml'
YamlBundleProcessor = proc do |input|
env = input[:environment]
manifest = YAML.load(input[:data])
paths = manifest['require'].map do |logical_path|
uri, _ = env.resolve(logical_path)
uri
end
{ data: "", required: paths }
end
test "custom processor using Context#require" do
@env.register_mime_type 'text/yaml+bundle', extensions: ['.bundle.yml']
@env.register_transformer 'text/yaml+bundle', 'application/javascript', YamlBundleProcessor
assert_equal "var Foo = {};\n\nvar Bar = {};\n", @env['application.js'].to_s
end
DataUriProcessor = proc do |input|
env = input[:environment]
data = input[:data]
data.gsub(/url\(\"(.+?)\"\)/) do
uri, _ = env.resolve($1)
path, _ = env.parse_asset_uri(uri)
data = [File.open(path, "rb") { |f| f.read }].pack('m')
"url(data:image/png;base64,#{data})"
end
end
test "custom processor using Context#resolve and Context#depend_on" do
@env.register_mime_type 'text/css+embed', extensions: ['.css.embed']
@env.register_transformer 'text/css+embed', 'text/css', DataUriProcessor
assert_equal ".pow {\n background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZoAAAEsCAMAAADNS4U5AAAAGXRFWHRTb2Z0\n",
@env["sprite.css"].to_s.lines.to_a[0..1].join
assert_equal 58240, @env["sprite.css"].length
end
test "block custom processor" do
@env.register_preprocessor 'text/css' do |input|
env = input[:environment]
input[:data].gsub(/url\(\"(.+?)\"\)/) do
uri, _ = env.resolve($1)
path, _ = env.parse_asset_uri(uri)
data = [File.open(path, "rb") { |f| f.read }].pack('m')
"url(data:image/png;base64,#{data})"
end
end
assert_equal ".pow {\n background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZoAAAEsCAMAAADNS4U5AAAAGXRFWHRTb2Z0\n",
@env["sprite2.css"].to_s.lines.to_a[0..1].join
assert_equal 58240, @env["sprite2.css"].length
end
end
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