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haml--haml/test/sass/plugin_test.rb
2010-03-27 18:10:51 -07:00

417 lines
12 KiB
Ruby
Executable file

#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../test_helper'
require 'sass/plugin'
require 'fileutils'
class SassPluginTest < Test::Unit::TestCase
@@templates = %w{
complex script parent_ref import scss_import alt
subdir/subdir subdir/nested_subdir/nested_subdir
options
}
def setup
FileUtils.mkdir tempfile_loc
FileUtils.mkdir tempfile_loc(nil,"more_")
set_plugin_opts
Sass::Plugin.update_stylesheets
reset_mtimes
end
def teardown
clean_up_sassc
clear_callbacks
FileUtils.rm_r tempfile_loc
FileUtils.rm_r tempfile_loc(nil,"more_")
end
@@templates.each do |name|
define_method("test_template_renders_correctly (#{name})") do
assert_renders_correctly(name)
end
end
def test_no_update
File.delete(tempfile_loc('basic'))
assert_needs_update 'basic'
Sass::Plugin.update_stylesheets
assert_stylesheet_updated 'basic'
end
def test_update_needed_when_modified
touch 'basic'
assert_needs_update 'basic'
Sass::Plugin.update_stylesheets
assert_stylesheet_updated 'basic'
end
def test_update_needed_when_dependency_modified
touch 'basic'
assert_needs_update 'import'
Sass::Plugin.update_stylesheets
assert_stylesheet_updated 'basic'
assert_stylesheet_updated 'import'
end
def test_update_needed_when_scss_dependency_modified
touch 'scss_importee'
assert_needs_update 'import'
Sass::Plugin.update_stylesheets
assert_stylesheet_updated 'scss_importee'
assert_stylesheet_updated 'import'
end
def test_scss_update_needed_when_dependency_modified
touch 'basic'
assert_needs_update 'scss_import'
Sass::Plugin.update_stylesheets
assert_stylesheet_updated 'basic'
assert_stylesheet_updated 'scss_import'
end
def test_full_exception_handling
File.delete(tempfile_loc('bork1'))
Sass::Plugin.update_stylesheets
File.open(tempfile_loc('bork1')) do |file|
assert_equal(<<CSS.strip, file.read.split("\n")[0...6].join("\n"))
/*
Syntax error: Undefined variable: "$bork".
on line 2 of #{template_loc('bork1')}
1: bork
2: :bork $bork
CSS
end
File.delete(tempfile_loc('bork1'))
end
def test_nonfull_exception_handling
old_full_exception = Sass::Plugin.options[:full_exception]
Sass::Plugin.options[:full_exception] = false
File.delete(tempfile_loc('bork1'))
assert_raise(Sass::SyntaxError) {Sass::Plugin.update_stylesheets}
ensure
Sass::Plugin.options[:full_exception] = old_full_exception
end
def test_two_template_directories
set_plugin_opts :template_location => {
template_loc => tempfile_loc,
template_loc(nil,'more_') => tempfile_loc(nil,'more_')
}
Sass::Plugin.update_stylesheets
['more1', 'more_import'].each { |name| assert_renders_correctly(name, :prefix => 'more_') }
end
def test_two_template_directories_with_line_annotations
set_plugin_opts :line_comments => true,
:style => :nested,
:template_location => {
template_loc => tempfile_loc,
template_loc(nil,'more_') => tempfile_loc(nil,'more_')
}
Sass::Plugin.update_stylesheets
assert_renders_correctly('more1_with_line_comments', 'more1', :prefix => 'more_')
end
def test_merb_update
begin
require 'merb'
rescue LoadError
puts "\nmerb couldn't be loaded, skipping a test"
return
end
require 'sass/plugin/merb'
if defined?(MerbHandler)
MerbHandler.send(:define_method, :process_without_sass) { |*args| }
else
Merb::Rack::Application.send(:define_method, :call_without_sass) { |*args| }
end
set_plugin_opts
File.delete(tempfile_loc('basic'))
assert_needs_update 'basic'
if defined?(MerbHandler)
MerbHandler.new('.').process nil, nil
else
Merb::Rack::Application.new.call(::Rack::MockRequest.env_for('/'))
end
assert_stylesheet_updated 'basic'
end
def test_doesnt_render_partials
assert !File.exists?(tempfile_loc('_partial'))
end
# Callbacks
def test_updating_stylesheets_callback
# Should run even when there's nothing to update
assert_callback :updating_stylesheets, []
end
def test_updating_stylesheets_callback_with_individual_files
files = [[template_loc("basic"), tempfile_loc("basic")]]
assert_callback(:updating_stylesheets, files) {Sass::Plugin.update_stylesheets(files)}
end
def test_updating_stylesheets_callback_with_never_update
Sass::Plugin.options[:never_update] = true
assert_no_callback :updating_stylesheets
end
def test_updating_stylesheet_callback_for_updated_template
Sass::Plugin.options[:always_update] = false
touch 'basic'
assert_no_callback :updating_stylesheet, template_loc("complex"), tempfile_loc("complex") do
assert_callbacks(
[:updating_stylesheet, template_loc("basic"), tempfile_loc("basic")],
[:updating_stylesheet, template_loc("import"), tempfile_loc("import")])
end
end
def test_updating_stylesheet_callback_for_fresh_template
Sass::Plugin.options[:always_update] = false
assert_no_callback :updating_stylesheet
end
def test_updating_stylesheet_callback_for_error_template
Sass::Plugin.options[:always_update] = false
touch 'bork1'
assert_no_callback :updating_stylesheet
end
def test_not_updating_stylesheet_callback_for_fresh_template
Sass::Plugin.options[:always_update] = false
assert_callback :not_updating_stylesheet, template_loc("basic"), tempfile_loc("basic")
end
def test_not_updating_stylesheet_callback_for_updated_template
Sass::Plugin.options[:always_update] = false
assert_callback :not_updating_stylesheet, template_loc("complex"), tempfile_loc("complex") do
assert_no_callbacks(
[:updating_stylesheet, template_loc("basic"), tempfile_loc("basic")],
[:updating_stylesheet, template_loc("import"), tempfile_loc("import")])
end
end
def test_not_updating_stylesheet_callback_with_never_update
Sass::Plugin.options[:never_update] = true
assert_no_callback :not_updating_stylesheet
end
def test_not_updating_stylesheet_callback_for_partial
Sass::Plugin.options[:always_update] = false
assert_no_callback :not_updating_stylesheet, template_loc("_partial"), tempfile_loc("_partial")
end
def test_not_updating_stylesheet_callback_for_error
Sass::Plugin.options[:always_update] = false
touch 'bork1'
assert_no_callback :not_updating_stylesheet, template_loc("bork1"), tempfile_loc("bork1")
end
def test_compilation_error_callback
Sass::Plugin.options[:always_update] = false
touch 'bork1'
assert_callback(:compilation_error,
lambda {|e| e.message == 'Undefined variable: "$bork".'},
template_loc("bork1"), tempfile_loc("bork1"))
end
def test_compilation_error_callback_for_file_access
Sass::Plugin.options[:always_update] = false
assert_callback(:compilation_error,
lambda {|e| e.is_a?(Errno::ENOENT)},
template_loc("nonexistent"), tempfile_loc("nonexistent")) do
Sass::Plugin.update_stylesheets([[template_loc("nonexistent"), tempfile_loc("nonexistent")]])
end
end
def test_creating_directory_callback
Sass::Plugin.options[:always_update] = false
dir = File.join(tempfile_loc, "subdir", "nested_subdir")
FileUtils.rm_r dir
assert_callback :creating_directory, dir
end
## Regression
def test_cached_dependencies_update
FileUtils.mv(template_loc("basic"), template_loc("basic", "more_"))
set_plugin_opts :load_paths => [result_loc, template_loc(nil, "more_")]
touch 'basic', 'more_'
assert_needs_update "import"
Sass::Plugin.update_stylesheets
assert_renders_correctly("import")
ensure
FileUtils.mv(template_loc("basic", "more_"), template_loc("basic"))
end
private
def assert_renders_correctly(*arguments)
options = arguments.last.is_a?(Hash) ? arguments.pop : {}
prefix = options[:prefix]
result_name = arguments.shift
tempfile_name = arguments.shift || result_name
expected_lines = File.read(result_loc(result_name, prefix)).split("\n")
actual_lines = File.read(tempfile_loc(tempfile_name, prefix)).split("\n")
if actual_lines.first == "/*" && expected_lines.first != "/*"
assert(false, actual_lines[0..actual_lines.enum_with_index.find {|l, i| l == "*/"}.last].join("\n"))
end
expected_lines.zip(actual_lines).each_with_index do |pair, line|
message = "template: #{result_name}\nline: #{line + 1}"
assert_equal(pair.first, pair.last, message)
end
if expected_lines.size < actual_lines.size
assert(false, "#{actual_lines.size - expected_lines.size} Trailing lines found in #{tempfile_name}.css: #{actual_lines[expected_lines.size..-1].join('\n')}")
end
end
def assert_stylesheet_updated(name)
assert_doesnt_need_update name
# Make sure it isn't an exception
expected_lines = File.read(result_loc(name)).split("\n")
actual_lines = File.read(tempfile_loc(name)).split("\n")
if actual_lines.first == "/*" && expected_lines.first != "/*"
assert(false, actual_lines[0..actual_lines.enum_with_index.find {|l, i| l == "*/"}.last].join("\n"))
end
end
def assert_callback(name, *expected_args)
run = false
Sass::Plugin.send("on_#{name}") do |*args|
run ||= expected_args.zip(args).all? do |ea, a|
ea.respond_to?(:call) ? ea.call(a) : ea == a
end
end
if block_given?
yield
else
Sass::Plugin.update_stylesheets
end
assert run, "Expected #{name} callback to be run with arguments:\n #{expected_args.inspect}"
end
def assert_no_callback(name, *unexpected_args)
Sass::Plugin.send("on_#{name}") do |*a|
next unless unexpected_args.empty? || a == unexpected_args
msg = "Expected #{name} callback not to be run"
if !unexpected_args.empty?
msg << " with arguments #{unexpected_args.inspect}"
elsif !a.empty?
msg << ",\n was run with arguments #{a.inspect}"
end
flunk msg
end
if block_given?
yield
else
Sass::Plugin.update_stylesheets
end
end
def assert_callbacks(*args)
return Sass::Plugin.update_stylesheets if args.empty?
assert_callback(*args.pop) {assert_callbacks(*args)}
end
def assert_no_callbacks(*args)
return Sass::Plugin.update_stylesheets if args.empty?
assert_no_callback(*args.pop) {assert_no_callbacks(*args)}
end
def clear_callbacks
Sass::Plugin.instance_variable_set('@_sass_callbacks', {})
end
def assert_needs_update(name)
assert(Sass::Plugin.stylesheet_needs_update?(tempfile_loc(name), template_loc(name)),
"Expected #{template_loc(name)} to need an update.")
end
def assert_doesnt_need_update(name)
assert(!Sass::Plugin.stylesheet_needs_update?(tempfile_loc(name), template_loc(name)),
"Expected #{template_loc(name)} not to need an update.")
end
def touch(*args)
FileUtils.touch(template_loc(*args))
end
def reset_mtimes
atime = Time.now
mtime = Time.now - 5
Dir["{#{template_loc},#{tempfile_loc}}/**/*.{css,sass,scss}"].each {|f| File.utime(atime, mtime, f)}
end
def template_loc(name = nil, prefix = nil)
if name
scss = absolutize "#{prefix}templates/#{name}.scss"
File.exists?(scss) ? scss : absolutize("#{prefix}templates/#{name}.sass")
else
absolutize "#{prefix}templates"
end
end
def tempfile_loc(name = nil, prefix = nil)
if name
absolutize "#{prefix}tmp/#{name}.css"
else
absolutize "#{prefix}tmp"
end
end
def result_loc(name = nil, prefix = nil)
if name
absolutize "#{prefix}results/#{name}.css"
else
absolutize "#{prefix}results"
end
end
def absolutize(file)
"#{File.dirname(__FILE__)}/#{file}"
end
def set_plugin_opts(overrides = {})
Sass::Plugin.options = {
:template_location => template_loc,
:css_location => tempfile_loc,
:style => :compact,
:load_paths => [result_loc],
:always_update => true,
:never_update => false,
}.merge(overrides)
end
end
module Sass::Plugin
class << self
public :stylesheet_needs_update?
end
end
class Sass::Engine
alias_method :old_render, :render
def render
raise "bork bork bork!" if @template[0] == "{bork now!}"
old_render
end
end