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|
# frozen_string_literal: true
require 'sprockets_test'
$file_stat_calls = nil
$file_exist_calls = nil
class << File
alias_method :original_stat, :stat
def stat(filename)
if $file_stat_calls
$file_stat_calls[filename.to_s] ||= []
$file_stat_calls[filename.to_s] << caller
end
original_stat(filename)
end
alias_method :original_exist?, :exist?
def exist?(filename)
if $file_exist_calls
$file_exist_calls[filename.to_s] ||= []
$file_exist_calls[filename.to_s] << caller
end
original_exist?(filename)
end
end
$dir_entires_calls = nil
class << Dir
alias_method :original_entries, :entries
def entries(dirname, **args)
if $dir_entires_calls
$dir_entires_calls[dirname.to_s] ||= []
$dir_entires_calls[dirname.to_s] << caller
end
original_entries(dirname, **args)
end
end
class TestPerformance < Sprockets::TestCase
class Cache
def initialize
@cache = {}
end
def get(key)
$cache_get_calls[key] ||= []
$cache_get_calls[key] << caller
@cache[key]
end
def set(key, value)
$cache_set_calls[key] ||= []
$cache_set_calls[key] << caller
@cache[key] = value
end
end
def setup
@env = new_environment
reset_stats!
end
def teardown
$file_stat_calls = nil
$dir_entires_calls = nil
$processor_calls = nil
$bundle_processor_calls = nil
$cache_get_calls = nil
$cache_set_calls = nil
$file_exist_calls = nil
end
test "simple file" do
@env["gallery.js"].to_s
assert_no_redundant_stat_calls
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
end
test "cached simple file" do
@env.cached["gallery.js"].to_s
assert_no_redundant_stat_calls
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
end
test "file with deps" do
@env["mobile.js"].to_s
assert_no_redundant_stat_calls
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
end
test "cached file with deps" do
@env.cached["mobile.js"].to_s
assert_no_redundant_stat_calls
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
end
test "loading from backend cache" do
env1, env2 = new_environment, new_environment
cache = Cache.new
env1.cache = cache
env2.cache = cache
env1["mobile.js"]
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
reset_stats!
env2["mobile.js"]
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
end
test "moving root of project after generation is still freaky fast" do
env1 = new_environment
env1.cache = Cache.new
env1["mobile.js"]
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
Dir.mktmpdir do |dir|
Dir.chdir(dir) do
`cp -R #{File.join(fixture_path("default"), "*")} .`
env2 = new_environment("./default")
env2.cache = env1.cache
reset_stats!
env2["mobile.js"]
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
end
end
end
test "loading from instance cache" do
env = @env.cached
env["mobile.js"]
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
reset_stats!
env["mobile.js"]
assert_no_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
end
test "loading from cached with backend cache" do
env1, env2 = new_environment, new_environment
cache = Cache.new
env1.cache = cache
env2.cache = cache
env1.cached["mobile.js"]
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
reset_stats!
env2.cached["mobile.js"]
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
end
test "rollback version" do
env = new_environment
env.cache = Cache.new
env.version = "1"
assert asset = env["mobile.js"]
id1 = asset.id
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
reset_stats!
env.version = "2"
assert asset = env["mobile.js"]
id2 = asset.id
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
reset_stats!
env.version = "1"
assert asset = env["mobile.js"]
assert_equal id1, asset.id
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
reset_stats!
env.version = "2"
assert asset = env["mobile.js"]
assert_equal id2, asset.id
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
end
test "rollback path change" do
env = new_environment
env.cache = Cache.new
env.clear_paths
env.append_path(fixture_path('default'))
assert asset = env["mobile.js"]
path1 = asset.id
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
reset_stats!
env.clear_paths
env.append_path(fixture_path('asset'))
env.append_path(fixture_path('default'))
assert asset = env["mobile.js"]
path2 = asset.id
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
reset_stats!
env.clear_paths
env.append_path(fixture_path('default'))
assert asset = env["mobile.js"]
assert_equal path1, asset.id
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
reset_stats!
env.clear_paths
env.append_path(fixture_path('asset'))
env.append_path(fixture_path('default'))
assert asset = env["mobile.js"]
assert_equal path2, asset.id
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
end
test "rollback file change" do
env = new_environment
env.cache = Cache.new
filename = fixture_path("default/tmp.js")
sandbox filename do
write(filename, "a;", 1421000000)
reset_stats!
assert asset = env["tmp.js"]
assert_equal "a;\n", asset.source
ida = asset.id
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
write(filename, "b;", 1421000001)
reset_stats!
assert asset = env["tmp.js"]
assert_equal "b;\n", asset.source
idb = asset.id
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
write(filename, "a;", 1421000000)
reset_stats!
assert asset = env["tmp.js"]
assert_equal "a;\n", asset.source
assert_equal ida, asset.id
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
write(filename, "b;", 1421000001)
reset_stats!
assert asset = env["tmp.js"]
assert_equal "b;\n", asset.source
assert_equal idb, asset.id
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
end
end
test "rollback file dependency change" do
env = new_environment
env.cache = Cache.new
main = fixture_path("default/tmp-main.js")
dep = fixture_path("default/tmp-dep.js")
sandbox main, dep do
write(main, "//= require ./tmp-dep", 1421000000)
write(dep, "a;", 1421000000)
reset_stats!
assert asset = env["tmp-main.js"]
assert_equal "a;\n", asset.source
ida = asset.id
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
write(dep, "b;", 1421000001)
reset_stats!
assert asset = env["tmp-main.js"]
assert_equal "b;\n", asset.source
idb = asset.id
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
write(dep, "a;", 1421000000)
reset_stats!
assert asset = env["tmp-main.js"]
assert_equal "a;\n", asset.source
assert_equal ida, asset.id
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
write(dep, "b;", 1421000001)
reset_stats!
assert asset = env["tmp-main.js"]
assert_equal "b;\n", asset.source
assert_equal idb, asset.id
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_cache_set_calls
end
end
test "rollback file dependency add/remove" do
env = new_environment
env.cache = Cache.new
main = fixture_path("default/tmp.js")
deps = fixture_path("default/tmp")
depa = fixture_path("default/tmp/a.js")
depb = fixture_path("default/tmp/b.js")
sandbox main, deps, depa, depb do
FileUtils.mkdir_p(deps)
write(main, "//= require_directory ./tmp", 1421000000)
write(depa, "a;", 1421000000)
File.utime(1421000000, 1421000000, deps)
reset_stats!
assert asset = env["tmp.js"]
assert_equal "a;\n", asset.source
ida = asset.id
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
write(depb, "b;", 142100001)
File.utime(1421000001, 1421000001, deps)
reset_stats!
assert asset = env["tmp.js"]
assert_equal "a;\nb;\n", asset.source
idab = asset.id
assert_no_redundant_processor_calls
assert_no_redundant_bundle_processor_calls
assert_no_redundant_cache_set_calls
FileUtils.rm(depb)
File.utime(1421000000, 1421000000, deps)
reset_stats!
assert asset = env["tmp.js"]
assert_equal "a;\n", asset.source
assert_equal ida, asset.id
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_redundant_cache_set_calls
write(depb, "b;", 142100001)
File.utime(1421000001, 1421000001, deps)
reset_stats!
assert asset = env["tmp.js"]
assert_equal "a;\nb;\n", asset.source
assert_equal idab, asset.id
assert_no_redundant_stat_calls
assert_no_processor_calls
assert_no_bundle_processor_calls
assert_no_redundant_cache_get_calls
assert_no_redundant_cache_set_calls
end
end
def new_environment(path = fixture_path('default'))
Sprockets::Environment.new(".") do |env|
env.cache = Cache.new
env.append_path(path)
env.register_preprocessor 'application/javascript', proc { |input|
$processor_calls[input[:filename]] ||= []
$processor_calls[input[:filename]] << caller
nil
}
env.register_bundle_processor 'application/javascript', proc { |input|
$bundle_processor_calls[input[:filename]] ||= []
$bundle_processor_calls[input[:filename]] << caller
nil
}
end
end
def reset_stats!
$file_stat_calls = {}
$file_exist_calls = {}
$dir_entires_calls = {}
$processor_calls = {}
$bundle_processor_calls = {}
$cache_get_calls = {}
$cache_set_calls = {}
end
def assert_no_stat_calls
$file_stat_calls.each do |path, callers|
assert_equal 0, callers.size, "File.stat(#{path.inspect}) called #{callers.size} times\n\n#{format_callers(callers)}"
end
$dir_entires_calls.each do |path, callers|
assert_equal 0, callers.size, "Dir.entries(#{path.inspect}) called #{callers.size} times\n\n#{format_callers(callers)}"
end
end
def assert_no_redundant_stat_calls
$file_stat_calls.each do |path, callers|
assert_equal 1, callers.size, "File.stat(#{path.inspect}) called #{callers.size} times\n\n#{format_callers(callers)}"
end
$file_exist_calls.each do |path, callers|
assert_equal 1, callers.size, "File.exist?(#{path.inspect}) called #{callers.size} times\n\n#{format_callers(callers)}"
end
$dir_entires_calls.each do |path, callers|
assert_equal 1, callers.size, "Dir.entries(#{path.inspect}) called #{callers.size} times\n\n#{format_callers(callers)}"
end
end
def assert_no_processor_calls
$processor_calls.each do |path, callers|
assert_equal 0, callers.size, "Processor ran on #{path.inspect} #{callers.size} times\n\n#{format_callers(callers)}"
end
end
def assert_no_redundant_processor_calls
$processor_calls.each do |path, callers|
assert_equal 1, callers.size, "Processor ran on #{path.inspect} #{callers.size} times\n\n#{format_callers(callers)}"
end
end
def assert_no_bundle_processor_calls
$bundle_processor_calls.each do |path, callers|
assert_equal 0, callers.size, "Bundle Processor ran on #{path.inspect} #{callers.size} times\n\n#{format_callers(callers)}"
end
end
def assert_no_redundant_bundle_processor_calls
$bundle_processor_calls.each do |path, callers|
assert_equal 1, callers.size, "Bundle Processor ran on #{path.inspect} #{callers.size} times\n\n#{format_callers(callers)}"
end
end
def assert_no_redundant_cache_get_calls
$cache_get_calls.each do |key, callers|
assert_equal 1, callers.size, "cache get #{key.inspect} #{callers.size} times\n\n#{format_callers(callers)}"
end
end
def assert_no_cache_set_calls
$cache_set_calls.each do |key, callers|
assert_equal 0, callers.size, "cache set #{key.inspect} #{callers.size} times\n\n#{format_callers(callers)}"
end
end
def assert_no_redundant_cache_set_calls
$cache_set_calls.each do |key, callers|
assert_equal 1, callers.size, "cache set #{key.inspect} #{callers.size} times\n\n#{format_callers(callers)}"
end
end
def format_callers(callers)
callers.map { |c| c.join("\n") }.join("\n\n\n")
end
end
|
