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-rw-r--r--test/json/json_common_interface_test.rb214
1 files changed, 199 insertions, 15 deletions
diff --git a/test/json/json_common_interface_test.rb b/test/json/json_common_interface_test.rb
index c16f6ceaaf..37568b556e 100644
--- a/test/json/json_common_interface_test.rb
+++ b/test/json/json_common_interface_test.rb
@@ -1,4 +1,5 @@
-#frozen_string_literal: false
+# frozen_string_literal: true
+
require_relative 'test_helper'
require 'stringio'
require 'tempfile'
@@ -6,6 +7,13 @@ require 'tempfile'
class JSONCommonInterfaceTest < Test::Unit::TestCase
include JSON
+ module MethodMissing
+ def method_missing(name, *args); end
+ def respond_to_missing?(name, include_private)
+ true
+ end
+ end
+
def setup
@hash = {
'a' => 2,
@@ -17,25 +25,33 @@ class JSONCommonInterfaceTest < Test::Unit::TestCase
'h' => 1000.0,
'i' => 0.001
}
+
+ @hash_with_method_missing = {
+ 'a' => 2,
+ 'b' => 3.141,
+ 'c' => 'c',
+ 'd' => [ 1, "b", 3.14 ],
+ 'e' => { 'foo' => 'bar' },
+ 'g' => "\"\0\037",
+ 'h' => 1000.0,
+ 'i' => 0.001
+ }
+ @hash_with_method_missing.extend MethodMissing
+
@json = '{"a":2,"b":3.141,"c":"c","d":[1,"b",3.14],"e":{"foo":"bar"},'\
'"g":"\\"\\u0000\\u001f","h":1000.0,"i":0.001}'
end
- def test_index
- assert_equal @json, JSON[@hash]
- assert_equal @hash, JSON[@json]
- end
-
def test_parser
assert_match(/::Parser\z/, JSON.parser.name)
end
def test_generator
- assert_match(/::Generator\z/, JSON.generator.name)
+ assert_match(/::(TruffleRuby)?Generator\z/, JSON.generator.name)
end
def test_state
- assert_match(/::Generator::State\z/, JSON.state.name)
+ assert_match(/::(TruffleRuby)?Generator::State\z/, JSON.state.name)
end
def test_create_id
@@ -46,11 +62,6 @@ class JSONCommonInterfaceTest < Test::Unit::TestCase
JSON.create_id = 'json_class'
end
- def test_deep_const_get
- assert_raise(ArgumentError) { JSON.deep_const_get('Nix::Da') }
- assert_equal File::SEPARATOR, JSON.deep_const_get('File::SEPARATOR')
- end
-
def test_parse
assert_equal [ 1, 2, 3, ], JSON.parse('[ 1, 2, 3 ]')
end
@@ -69,6 +80,30 @@ class JSONCommonInterfaceTest < Test::Unit::TestCase
def test_pretty_generate
assert_equal "[\n 1,\n 2,\n 3\n]", JSON.pretty_generate([ 1, 2, 3 ])
+ assert_equal <<~JSON.strip, JSON.pretty_generate({ a: { b: "f"}, c: "d"})
+ {
+ "a": {
+ "b": "f"
+ },
+ "c": "d"
+ }
+ JSON
+
+ # Cause the state to be spilled on the heap.
+ o = Object.new
+ def o.to_s
+ "Object"
+ end
+ actual = JSON.pretty_generate({ a: { b: o}, c: "d", e: "f"})
+ assert_equal <<~JSON.strip, actual
+ {
+ "a": {
+ "b": "Object"
+ },
+ "c": "d",
+ "e": "f"
+ }
+ JSON
end
def test_load
@@ -86,15 +121,119 @@ class JSONCommonInterfaceTest < Test::Unit::TestCase
tempfile.close!
end
+ def test_load_with_proc
+ visited = []
+ JSON.load('{"foo": [1, 2, 3], "bar": {"baz": "plop"}}', proc { |o| visited << JSON.dump(o); o })
+
+ expected = [
+ '"foo"',
+ '1',
+ '2',
+ '3',
+ '[1,2,3]',
+ '"bar"',
+ '"baz"',
+ '"plop"',
+ '{"baz":"plop"}',
+ '{"foo":[1,2,3],"bar":{"baz":"plop"}}',
+ ]
+ assert_equal expected, visited
+ end
+
def test_load_with_options
json = '{ "foo": NaN }'
assert JSON.load(json, nil, :allow_nan => true)['foo'].nan?
+ assert JSON.load(json, :allow_nan => true)['foo'].nan?
end
def test_load_null
assert_equal nil, JSON.load(nil, nil, :allow_blank => true)
assert_raise(TypeError) { JSON.load(nil, nil, :allow_blank => false) }
assert_raise(JSON::ParserError) { JSON.load('', nil, :allow_blank => false) }
+ assert_raise(TypeError) { JSON.load([], nil, :allow_blank => true) }
+ assert_raise(TypeError) { JSON.load({}, nil, :allow_blank => true) }
+ end
+
+ def test_unsafe_load
+ string_able_klass = Class.new do
+ def initialize(str)
+ @str = str
+ end
+
+ def to_str
+ @str
+ end
+ end
+
+ io_able_klass = Class.new do
+ def initialize(str)
+ @str = str
+ end
+
+ def to_io
+ StringIO.new(@str)
+ end
+ end
+
+ assert_equal @hash, JSON.unsafe_load(@json)
+ tempfile = Tempfile.open('@json')
+ tempfile.write @json
+ tempfile.rewind
+ assert_equal @hash, JSON.unsafe_load(tempfile)
+ stringio = StringIO.new(@json)
+ stringio.rewind
+ assert_equal @hash, JSON.unsafe_load(stringio)
+ string_able = string_able_klass.new(@json)
+ assert_equal @hash, JSON.unsafe_load(string_able)
+ io_able = io_able_klass.new(@json)
+ assert_equal @hash, JSON.unsafe_load(io_able)
+ assert_equal nil, JSON.unsafe_load(nil)
+ assert_equal nil, JSON.unsafe_load('')
+ ensure
+ tempfile.close!
+ end
+
+ def test_unsafe_load_with_proc
+ visited = []
+ JSON.unsafe_load('{"foo": [1, 2, 3], "bar": {"baz": "plop"}}', proc { |o| visited << JSON.dump(o); o })
+
+ expected = [
+ '"foo"',
+ '1',
+ '2',
+ '3',
+ '[1,2,3]',
+ '"bar"',
+ '"baz"',
+ '"plop"',
+ '{"baz":"plop"}',
+ '{"foo":[1,2,3],"bar":{"baz":"plop"}}',
+ ]
+ assert_equal expected, visited
+ end
+
+ def test_unsafe_load_default_options
+ too_deep = '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[["Too deep"]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'
+ assert JSON.unsafe_load(too_deep, nil).is_a?(Array)
+ nan_json = '{ "foo": NaN }'
+ assert JSON.unsafe_load(nan_json, nil)['foo'].nan?
+ assert_equal nil, JSON.unsafe_load(nil, nil)
+ t = Time.new(2025, 9, 3, 14, 50, 0)
+ assert_equal t.to_s, JSON.unsafe_load(JSON(t)).to_s
+ end
+
+ def test_unsafe_load_with_options
+ nan_json = '{ "foo": NaN }'
+ assert_raise(JSON::ParserError) { JSON.unsafe_load(nan_json, nil, :allow_nan => false)['foo'].nan? }
+ # make sure it still uses the defaults when something is provided
+ assert JSON.unsafe_load(nan_json, nil, :allow_blank => true)['foo'].nan?
+ assert JSON.unsafe_load(nan_json, :allow_nan => true)['foo'].nan?
+ end
+
+ def test_unsafe_load_null
+ assert_equal nil, JSON.unsafe_load(nil, nil, :allow_blank => true)
+ assert_raise(TypeError) { JSON.unsafe_load(nil, nil, :allow_blank => false) }
+ assert_raise(JSON::ParserError) { JSON.unsafe_load('', nil, :allow_blank => false) }
end
def test_dump
@@ -121,17 +260,35 @@ class JSONCommonInterfaceTest < Test::Unit::TestCase
assert_equal too_deep, dump(obj, strict: false)
end
+ def test_dump_in_io
+ io = StringIO.new
+ assert_same io, JSON.dump([1], io)
+ assert_equal "[1]", io.string
+
+ big_object = ["a" * 10, "b" * 40, { foo: 1.23 }] * 5000
+ io.rewind
+ assert_same io, JSON.dump(big_object, io)
+ assert_equal JSON.dump(big_object), io.string
+ end
+
def test_dump_should_modify_defaults
- max_nesting = JSON.dump_default_options[:max_nesting]
+ max_nesting = JSON._dump_default_options[:max_nesting]
dump([], StringIO.new, 10)
- assert_equal max_nesting, JSON.dump_default_options[:max_nesting]
+ assert_equal max_nesting, JSON._dump_default_options[:max_nesting]
end
def test_JSON
assert_equal @json, JSON(@hash)
+ assert_equal @json, JSON(@hash_with_method_missing)
assert_equal @hash, JSON(@json)
end
+ def test_index
+ assert_equal @json, JSON[@hash]
+ assert_equal @json, JSON[@hash_with_method_missing]
+ assert_equal @hash, JSON[@json]
+ end
+
def test_load_file
test_load_shared(:load_file)
end
@@ -148,8 +305,35 @@ class JSONCommonInterfaceTest < Test::Unit::TestCase
test_load_file_with_option_shared(:load_file!)
end
+ def test_load_file_with_bad_default_external_encoding
+ data = { "key" => "€" }
+ temp_file_containing(JSON.dump(data)) do |path|
+ loaded_data = with_external_encoding(Encoding::US_ASCII) do
+ JSON.load_file(path)
+ end
+ assert_equal data, loaded_data
+ end
+ end
+
+ def test_deprecated_dump_default_options
+ assert_deprecated_warning(/dump_default_options/) do
+ JSON.dump_default_options
+ end
+ end
+
private
+ def with_external_encoding(encoding)
+ verbose = $VERBOSE
+ $VERBOSE = nil
+ previous_encoding = Encoding.default_external
+ Encoding.default_external = encoding
+ yield
+ ensure
+ Encoding.default_external = previous_encoding
+ $VERBOSE = verbose
+ end
+
def test_load_shared(method_name)
temp_file_containing(@json) do |filespec|
assert_equal JSON.public_send(method_name, filespec), @hash
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-04 14:35:11 +0000