bootsnap/test/compile_cache/yaml_test.rb

279 lines
7.7 KiB
Ruby

# frozen_string_literal: true
require "test_helper"
class CompileCacheYAMLTest < Minitest::Test
include TmpdirHelper
module FakeYaml
Fallback = Class.new(StandardError)
class << self
def load_file(_path, symbolize_names: false, freeze: false, fallback: nil)
raise Fallback
end
def unsafe_load_file(_path, symbolize_names: false, freeze: false, fallback: nil)
raise Fallback
end
end
end
def setup
skip("Unsupported platform") unless Bootsnap::CompileCache.supported?
super
Bootsnap::CompileCache::YAML.init!
FakeYaml.singleton_class.prepend(Bootsnap::CompileCache::YAML.patch)
end
def test_yaml_strict_load
document = ::Bootsnap::CompileCache::YAML.strict_load(<<~YAML)
---
:foo: 42
bar: [1]
YAML
expected = {
foo: 42,
"bar" => [1],
}
assert_equal expected, document
end
def test_strict_load_reject_dates
error = assert_raises Psych::DisallowedClass do
::Bootsnap::CompileCache::YAML.strict_load(<<~YAML)
---
:foo: 2023-01-20
YAML
end
assert_includes error.message, "Date"
end
def test_strict_load_reject_times
error = assert_raises Psych::DisallowedClass do
::Bootsnap::CompileCache::YAML.strict_load(<<~YAML)
---
:foo: 2023-01-20 13:18:31.083375000 -05:00
YAML
end
assert_includes error.message, "Time"
end
def test_strict_load_reject_aliases
assert_raises Psych::BadAlias do
::Bootsnap::CompileCache::YAML.strict_load(<<~YAML)
---
foo: &foo
a: b
bar:
<<: *foo
YAML
end
end
def test_yaml_tags
error = assert_raises Bootsnap::CompileCache::YAML::UnsupportedTags do
::Bootsnap::CompileCache::YAML.strict_load("!many Boolean")
end
assert_equal "YAML tags are not supported: !many", error.message
error = assert_raises Bootsnap::CompileCache::YAML::UnsupportedTags do
::Bootsnap::CompileCache::YAML.strict_load("!ruby/object {}")
end
assert_equal "YAML tags are not supported: !ruby/object", error.message
end
def test_symbols_encoding
symbols = [:ascii, :utf8_fée]
Help.set_file("a.yml", YAML.dump(symbols), 100)
loaded_symbols = FakeYaml.load_file("a.yml")
assert_equal(symbols, loaded_symbols)
assert_equal(symbols.map(&:encoding), loaded_symbols.map(&:encoding))
end
def test_custom_symbols_encoding
sym = "壁に耳あり、障子に目あり".to_sym # rubocop:disable Lint/SymbolConversion
Help.set_file("a.yml", YAML.dump(sym), 100)
# YAML is limited to UTF-8 and UTF-16 by spec, but Psych does respect Encoding.default_internal
# so strings and symbol can actually be of any encoding.
assert_raises FakeYaml::Fallback do
with_default_encoding_internal(Encoding::EUC_JP) do
FakeYaml.load_file("a.yml")
end
end
end
if YAML::VERSION >= "4"
def test_load_psych_4_with_alias
Help.set_file("a.yml", "foo: &foo\n bar: 42\nplop:\n <<: *foo", 100)
foo = {"bar" => 42}
expected = {"foo" => foo, "plop" => foo}
assert_equal(expected, FakeYaml.unsafe_load_file("a.yml"))
assert_raises Psych::BadAlias do
FakeYaml.load_file("a.yml")
end
end
def test_load_psych_4_with_unsafe_class
Help.set_file("a.yml", "---\nfoo: !ruby/regexp /bar/\n", 100)
expected = {"foo" => /bar/}
assert_equal(expected, FakeYaml.unsafe_load_file("a.yml"))
assert_raises Psych::DisallowedClass do
FakeYaml.load_file("a.yml")
end
end
def test_yaml_input_to_output_safe
document = ::Bootsnap::CompileCache::YAML::Psych4::SafeLoad.input_to_output(<<~YAML, {})
---
:foo: 42
bar: [1]
YAML
expected = {
foo: 42,
"bar" => [1],
}
assert_equal expected, document
end
def test_yaml_input_to_output_unsafe
document = ::Bootsnap::CompileCache::YAML::Psych4::UnsafeLoad.input_to_output(<<~YAML, {})
---
:foo: 42
bar: [1]
YAML
expected = {
foo: 42,
"bar" => [1],
}
assert_equal expected, document
end
else
def test_yaml_input_to_output
document = ::Bootsnap::CompileCache::YAML::Psych3.input_to_output(<<~YAML, {})
---
:foo: 42
bar: [1]
YAML
expected = {
foo: 42,
"bar" => [1],
}
assert_equal expected, document
end
def test_load_file
Help.set_file("a.yml", "---\nfoo: bar", 100)
assert_equal({"foo" => "bar"}, FakeYaml.load_file("a.yml"))
end
def test_load_file_aliases
Help.set_file("a.yml", "foo: &foo\n bar: 42\nplop:\n <<: *foo", 100)
assert_equal({"foo" => {"bar" => 42}, "plop" => {"bar" => 42}}, FakeYaml.load_file("a.yml"))
end
def test_load_file_symbolize_names
Help.set_file("a.yml", "---\nfoo: bar", 100)
FakeYaml.load_file("a.yml")
if ::Bootsnap::CompileCache::YAML.supported_options.include?(:symbolize_names)
2.times do
assert_equal({foo: "bar"}, FakeYaml.load_file("a.yml", symbolize_names: true))
end
else
assert_raises(FakeYaml::Fallback) do # would call super
FakeYaml.load_file("a.yml", symbolize_names: true)
end
end
end
def test_load_file_freeze
Help.set_file("a.yml", "---\nfoo", 100)
FakeYaml.load_file("a.yml")
if ::Bootsnap::CompileCache::YAML.supported_options.include?(:freeze)
2.times do
string = FakeYaml.load_file("a.yml", freeze: true)
assert_equal("foo", string)
assert_predicate(string, :frozen?)
end
else
assert_raises(FakeYaml::Fallback) do # would call super
FakeYaml.load_file("a.yml", freeze: true)
end
end
end
def test_load_file_unknown_option
Help.set_file("a.yml", "---\nfoo", 100)
FakeYaml.load_file("a.yml")
assert_raises(FakeYaml::Fallback) do # would call super
FakeYaml.load_file("a.yml", fallback: true)
end
end
end
def test_precompile_regexp
Help.set_file("a.yml", ::YAML.dump(foo: /bar/), 100)
assert Bootsnap::CompileCache::YAML.precompile("a.yml")
end
def test_precompile_date
Help.set_file("a.yml", ::YAML.dump(Date.today), 100)
assert Bootsnap::CompileCache::YAML.precompile("a.yml")
end
def test_precompile_object
Help.set_file("a.yml", ::YAML.dump(Object.new), 100)
refute Bootsnap::CompileCache::YAML.precompile("a.yml")
end
if YAML.respond_to?(:unsafe_load_file)
def test_unsafe_load_file
Help.set_file("a.yml", "foo: &foo\n bar: 42\nplop:\n <<: *foo", 100)
assert_equal({"foo" => {"bar" => 42}, "plop" => {"bar" => 42}}, FakeYaml.unsafe_load_file("a.yml"))
end
def test_unsafe_load_file_supports_regexp
Help.set_file("a.yml", ::YAML.dump(foo: /bar/), 100)
assert_equal({foo: /bar/}, FakeYaml.unsafe_load_file("a.yml"))
end
end
def test_no_read_permission
if RbConfig::CONFIG["host_os"] =~ /mswin|mingw|cygwin/
# On windows removing read permission doesn't prevent reading.
pass
else
file = "a.yml"
Help.set_file(file, ::YAML.dump(Object.new), 100)
FileUtils.chmod(0o000, file)
exception = assert_raises(Errno::EACCES) do
FakeYaml.load_file(file)
end
assert_match(file, exception.message)
end
end
private
def with_default_encoding_internal(encoding)
original_internal = Encoding.default_internal
$VERBOSE = false
Encoding.default_internal = encoding
$VERBOSE = true
begin
yield
ensure
$VERBOSE = false
Encoding.default_internal = original_internal
$VERBOSE = true
end
end
end