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# frozen_string_literal: true
require 'minitest/autorun'
require 'sprockets/processor_utils'
require 'sprockets/cache'
require 'sprockets/coffee_script_processor'
require 'sprockets/uglifier_compressor'
require 'sprockets_test'
class TestCallingProcessors < Sprockets::TestCase
def setup
@env = Sprockets::Environment.new
@env.append_path fixture_path('default')
end
def test_charset_supersedes_default_when_nil
processor = Proc.new do |input|
{data: input[:data], charset: nil}
end
@env.register_processor('image/png' , processor)
asset = @env['troll.png']
assert_nil asset.charset
ensure
@env.unregister_preprocessor('image/png' , processor)
end
def test_charset_supersedes_default
processor = Proc.new do |input|
{data: input[:data], charset: 'foo'}
end
@env.register_processor('image/png' , processor)
asset = @env['troll.png']
assert_equal 'foo', asset.charset
ensure
@env.unregister_preprocessor('image/png' , processor)
end
end
class TestProcessorUtils < Minitest::Test
include Sprockets::ProcessorUtils
class Processor
def initialize(cache_key = nil, &block)
@cache_key, @proc = cache_key, block
end
attr_reader :cache_key
def call(*args)
@proc.call(*args)
end
end
def setup
@env = Sprockets::Environment.new
@env.append_path File.expand_path("../fixtures", __FILE__)
end
def test_call_nothing
a = proc {}
input = { data: " " }.freeze
assert result = call_processor(a, input)
assert_equal " ", result[:data]
end
def test_call_function
a = proc { |input| { data: input[:data] + ",a" } }
input = { data: " " }.freeze
assert result = call_processor(a, input)
assert_equal " ,a", result[:data]
end
def test_call_single_function
a = proc { |input| { data: input[:data] + ",a" } }
input = { data: " " }.freeze
assert result = call_processors([a], input)
assert_equal " ,a", result[:data]
end
def test_call_hash_return
a = proc { |input| { data: input[:data] + ",a" } }
b = proc { |input| { data: input[:data] + ",b" } }
input = { data: " " }.freeze
assert result = call_processors([b, a], input)
assert_equal " ,a,b", result[:data]
end
def test_call_string_return
a = proc { |input| input[:data] + ",a" }
b = proc { |input| input[:data] + ",b" }
input = { data: " " }.freeze
assert result = call_processors([b, a], input)
assert_equal " ,a,b", result[:data]
end
def test_call_noop_return
a = proc { |input| input[:data] + ",a" }
b = proc { |input| nil }
input = { data: " " }.freeze
assert result = call_processors([a, b], input)
assert_equal " ,a", result[:data]
assert result = call_processors([b, a], input)
assert_equal " ,a", result[:data]
end
def test_call_metadata
a = proc { |input| { a: true } }
b = proc { |input| { b: true } }
input = {}
assert result = call_processors([a, b], input)
assert result[:a]
assert result[:b]
end
def test_call_metadata_merge
a = proc { |input| { trace: input[:metadata][:trace] + [:a] } }
b = proc { |input| { trace: input[:metadata][:trace] + [:b] } }
input = { metadata: { trace: [] }.freeze }.freeze
assert result = call_processors([b, a], input)
assert_equal [:a, :b], result[:trace]
end
def test_compose_nothing
a = compose_processors()
input = { data: " " }.freeze
assert result = a.call(input)
assert_equal " ", result[:data]
end
def test_compose_single_function
a = proc { |input| { data: input[:data] + ",a" } }
b = compose_processors(a)
input = { data: " " }.freeze
assert result = b.call(input)
assert_equal " ,a", result[:data]
end
def test_compose_hash_return
a = proc { |input| { data: input[:data] + ",a" } }
b = proc { |input| { data: input[:data] + ",b" } }
c = compose_processors(b, a)
input = { data: " " }.freeze
assert result = c.call(input)
assert_equal " ,a,b", result[:data]
end
def test_compose_string_return
a = proc { |input| input[:data] + ",a" }
b = proc { |input| input[:data] + ",b" }
c = compose_processors(b, a)
input = { data: " " }.freeze
assert result = c.call(input)
assert_equal " ,a,b", result[:data]
end
def test_compose_noop_return
a = proc { |input| input[:data] + ",a" }
b = proc { |input| nil }
c = compose_processors(a, b)
d = compose_processors(b, a)
input = { data: " " }.freeze
assert result = c.call(input)
assert_equal " ,a", result[:data]
assert result = d.call(input)
assert_equal " ,a", result[:data]
end
def test_compose_metadata
a = proc { |input| { a: true } }
b = proc { |input| { b: true } }
c = compose_processors(a, b)
input = {}
assert result = c.call(input)
assert result[:a]
assert result[:b]
end
def test_compose_metadata_merge
a = proc { |input| { trace: input[:metadata][:trace] + [:a] } }
b = proc { |input| { trace: input[:metadata][:trace] + [:b] } }
c = compose_processors(b, a)
input = { metadata: { trace: [] }.freeze }.freeze
assert result = c.call(input)
assert_equal [:a, :b], result[:trace]
end
def test_multiple_functional_compose
a = proc { |input| { data: input[:data] + ",a" } }
b = proc { |input| { data: input[:data] + ",b" } }
c = proc { |input| { data: input[:data] + ",c" } }
d = proc { |input| { data: input[:data] + ",d" } }
e = compose_processors(d, compose_processors(c, compose_processors(b, compose_processors(a))))
input = { data: " " }.freeze
assert result = e.call(input)
assert_equal " ,a,b,c,d", result[:data]
end
def test_multiple_functional_compose_metadata
a = proc { |input| { trace: input[:metadata][:trace] + [:a] } }
b = proc { |input| { trace: input[:metadata][:trace] + [:b] } }
c = proc { |input| { trace: input[:metadata][:trace] + [:c] } }
d = proc { |input| { trace: input[:metadata][:trace] + [:d] } }
e = compose_processors(d, compose_processors(c, compose_processors(b, compose_processors(a))))
input = { metadata: { trace: [].freeze }.freeze }.freeze
assert result = e.call(input)
assert_equal [:a, :b, :c, :d], result[:trace]
end
def test_multiple_array_compose
a = proc { |input| { data: input[:data] + ",a" } }
b = proc { |input| { data: input[:data] + ",b" } }
c = proc { |input| { data: input[:data] + ",c" } }
d = proc { |input| { data: input[:data] + ",d" } }
e = compose_processors(d, c, b, a)
input = { data: " " }
assert result = e.call(input)
assert_equal " ,a,b,c,d", result[:data]
end
def test_multiple_array_compose_metadata
a = proc { |input| { trace: input[:metadata][:trace] + [:a] } }
b = proc { |input| { trace: input[:metadata][:trace] + [:b] } }
c = proc { |input| { trace: input[:metadata][:trace] + [:c] } }
d = proc { |input| { trace: input[:metadata][:trace] + [:d] } }
e = compose_processors(d, c, b, a)
input = { metadata: { trace: [].freeze }.freeze }.freeze
assert result = e.call(input)
assert_equal [:a, :b, :c, :d], result[:trace]
end
def test_compose_coffee_and_uglifier
processor = compose_processors(Sprockets::UglifierCompressor, Sprockets::CoffeeScriptProcessor)
input = {
environment: @env,
load_path: File.expand_path("../fixtures", __FILE__),
filename: File.expand_path("../fixtures/compose.coffee", __FILE__),
content_type: 'application/javascript',
data: "self.square = (n) -> n * n",
cache: Sprockets::Cache.new
}.freeze
assert result = processor.call(input)
assert_match "self.square=function", result[:data]
end
def test_bad_processor_return_type
a = proc { |input| Object.new }
b = compose_processors(a)
input = { data: " " }.freeze
assert_raises(TypeError) do
b.call(input)
end
end
def test_compose_class_processors
a = Processor.new { |input| { data: input[:data] + ",a" } }
b = Processor.new { |input| { data: input[:data] + ",b" } }
c = compose_processors(b, a)
input = { data: " " }.freeze
assert result = c.call(input)
assert_equal " ,a,b", result[:data]
end
def test_compose_processors_cache_keys
a = Processor.new("a")
b = Processor.new("b")
c = compose_processors(b, a)
assert_equal "a", a.cache_key
assert_equal "b", b.cache_key
assert_equal ["b", "a"], c.cache_key
end
def test_compose_processors_missing_cache_keys
a = Processor.new("a")
b = proc {}
c = Processor.new("c")
e = compose_processors(c, b, a)
assert_equal "a", a.cache_key
assert_equal "c", c.cache_key
assert_equal ["c", nil, "a"], e.cache_key
end
def test_multiple_array_compose_cache_keys
a = Processor.new("a")
b = Processor.new("b")
c = Processor.new("c")
d = Processor.new("d")
e = compose_processors(d, c, b, a)
assert_equal "a", a.cache_key
assert_equal "b", b.cache_key
assert_equal "c", c.cache_key
assert_equal "d", d.cache_key
assert_equal ["d", "c", "b", "a"], e.cache_key
end
def test_multiple_functional_compose_cache_keys
a = Processor.new("a")
b = Processor.new("b")
c = Processor.new("c")
d = Processor.new("d")
e = compose_processors(d, compose_processors(c, compose_processors(b, compose_processors(a))))
assert_equal "a", a.cache_key
assert_equal "b", b.cache_key
assert_equal "c", c.cache_key
assert_equal "d", d.cache_key
assert_equal ["d", ["c", ["b", ["a"]]]], e.cache_key
end
def test_validate_processor_result
validate_processor_result!({data: "hello"})
validate_processor_result!({data: "hello", foo: nil})
validate_processor_result!({data: "hello", foo: 1})
validate_processor_result!({data: "hello", foo: "bye"})
validate_processor_result!({data: "hello", foo: :bye})
validate_processor_result!({data: "hello", foo: [1, 2, 3]})
validate_processor_result!({data: "hello", foo: Set.new([1, 2, 3])})
validate_processor_result!({data: "hello", foo: {bar: 1}})
my_string = Class.new(String)
assert_raises(TypeError) { validate_processor_result!(nil) }
assert_raises(TypeError) { validate_processor_result!({}) }
assert_raises(TypeError) { validate_processor_result!({data: 123}) }
assert_raises(TypeError) { validate_processor_result!({data: "hello", "foo" => 1}) }
assert_raises(TypeError) { validate_processor_result!({data: my_string.new("hello")}) }
end
end
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