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pipeline_spec.rb
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pipeline_spec.rb
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describe "Rake::Pipeline" do
ConcatFilter ||= Rake::Pipeline::SpecHelpers::Filters::ConcatFilter
StripAssertsFilter ||= Rake::Pipeline::SpecHelpers::Filters::StripAssertsFilter
let(:project) { Rake::Pipeline::Project.new }
let(:pipeline) { Rake::Pipeline.new :project => project }
it "accepts a input root" do
pipeline.add_input "app/assets"
pipeline.inputs["app/assets"].should == '**/*'
end
it "raises an exception on #relative_input_files if input_files are not provided" do
lambda { pipeline.input_files }.should raise_error(Rake::Pipeline::Error)
end
it "accepts a temporary directory" do
pipeline.tmpdir = "tmp"
pipeline.tmpdir.should == File.expand_path("tmp")
end
it "accepts an output directory" do
pipeline.output_root = "public"
pipeline.output_root.should == File.expand_path("public")
end
it "accepts a rake application" do
app = Rake::Application.new
pipeline.rake_application = app
pipeline.rake_application.should == app
end
it "defaults the rake application to Rake.application" do
pipeline.rake_application.should == Rake.application
end
describe ".build" do
it "evaluates a block against a new Pipeline" do
pipeline = Rake::Pipeline.build do
output "octopus"
end
pipeline.should be_kind_of(Rake::Pipeline)
pipeline.output_root.should == File.expand_path("octopus")
end
end
describe "#build" do
it "evaluates a block against an existing Pipeline" do
pipeline = Rake::Pipeline.new
pipeline.output_root = "octopus"
pipeline.build do
output "squid"
end
pipeline.output_root.should == File.expand_path("squid")
end
end
describe "the constructor" do
it "accepts an :inputs option" do
pipeline = Rake::Pipeline.new(:inputs => {"app/assets" => "**/*"})
pipeline.inputs.should == {"app/assets" => "**/*"}
end
it "accepts a :tmpdir option" do
pipeline = Rake::Pipeline.new(:tmpdir => "tmp")
pipeline.tmpdir.should == "tmp"
end
it "accepts an :output_root option" do
pipeline = Rake::Pipeline.new(:output_root => "public")
pipeline.output_root.should == File.expand_path("public")
end
it "accepts a :rake_application option" do
app = Rake::Application.new
pipeline = Rake::Pipeline.new(:rake_application => app)
pipeline.rake_application.should == app
end
end
describe "adding filters" do
let(:filter) { ConcatFilter.new }
it "can have filters added to it" do
pipeline.add_filter filter
end
it "sets an added filter's rake_application" do
app = Rake::Application.new
pipeline.rake_application = app
pipeline.add_filter filter
filter.rake_application.should == app
end
it "sets an added filter's pipeline" do
pipeline.add_filter filter
filter.pipeline.should == pipeline
end
end
describe "#copy" do
it "should copy state" do
copy = pipeline.copy
copy.inputs.should == pipeline.inputs
copy.tmpdir.should == pipeline.tmpdir
copy.rake_application.should == pipeline.rake_application
copy.project.should == pipeline.project
end
end
shared_examples_for "when working with input" do
include Rake::Pipeline::SpecHelpers::InputHelpers
let(:files) do
%w(javascripts/jquery.js javascripts/sproutcore.js).map do |filename|
input_file(filename)
end
end
def setup_roots
pipeline.add_input "app/assets"
end
before do
Rake.application = Rake::Application.new
create_files(files)
setup_roots
setup_input(pipeline)
pipeline.output_root = "public"
end
it "accepts a list of relative input files" do
pipeline.input_files.should == files
end
it "raise an error when inputs are temporary_files" do
pipeline.input_files = [input_file("foo.bar", pipeline.tmpdir)]
expect {
pipeline.invoke
}.to raise_error(Rake::Pipeline::TmpInputError)
end
it "configures the filters with outputs and inputs with #rake_tasks" do
concat = ConcatFilter.new
concat.output_name_generator = proc { |input| "javascripts/application.js" }
strip_asserts = StripAssertsFilter.new
strip_asserts.output_name_generator = proc { |input| input }
pipeline.add_filters concat, strip_asserts
pipeline.setup
concat.input_files.should == pipeline.input_files
strip_asserts.input_files.each { |file| file.root.should == concat.output_root }
strip_asserts.input_files.should == [input_file("javascripts/application.js", concat.output_root)]
strip_asserts.output_root.should == File.expand_path(pipeline.output_root)
end
describe "generating rake tasks" do
tasks = nil
before do
concat = ConcatFilter.new
concat.output_name_generator = proc { |input| "javascripts/application.js" }
pipeline.add_filter concat
end
it "generates rake tasks in Rake.application" do
pipeline.setup
tasks = pipeline.rake_tasks
tasks.size.should == 1
task = tasks[0]
task.name.should == File.join(pipeline.output_root, "javascripts/application.js")
deps = task.prerequisites
deps.size.should == 2
root = File.expand_path(pipeline.inputs.keys.first)
deps[0].should == File.join(root, "javascripts/jquery.js")
deps[1].should == File.join(root, "javascripts/sproutcore.js")
Rake.application.tasks.size.should == 3
end
it "generates rake tasks is an alternate Rake::Application" do
app = Rake::Application.new
pipeline.rake_application = app
pipeline.setup
tasks = pipeline.rake_tasks
Rake.application.tasks.size.should == 0
end
end
end
describe "when using multiple input roots" do
it_behaves_like "when working with input"
def setup_roots
pipeline.add_input File.join(tmp, 'tmp1', "app/assets"), '**/*.js'
pipeline.add_input File.join(tmp, 'tmp2', "app/assets"), '**/*.css'
end
def setup_input(pipeline)
end
let(:files) do
f = []
%w(javascripts/jquery.js javascripts/sproutcore.js).map do |filename|
f << input_file(filename, File.join(tmp, 'tmp1', "app/assets"))
end
%w(stylesheets/jquery.css stylesheets/sproutcore.css).map do |filename|
f << input_file(filename, File.join(tmp, 'tmp2', "app/assets"))
end
f
end
end
describe "using an array for input files" do
it_behaves_like "when working with input"
def setup_input(pipeline)
Dir.chdir("app/assets") do
files = Dir["javascripts/**/*.js"].sort
wrappers = files.map do |file|
Rake::Pipeline::FileWrapper.new(File.join(tmp, "app/assets"), file)
end
pipeline.input_files = wrappers
end
end
end
end