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-rw-r--r--test/json/test_json_common_interface.rb126
1 files changed, 126 insertions, 0 deletions
diff --git a/test/json/test_json_common_interface.rb b/test/json/test_json_common_interface.rb
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+++ b/test/json/test_json_common_interface.rb
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+# frozen_string_literal: false
+require 'test_helper'
+require 'stringio'
+require 'tempfile'
+
+class TestJSONCommonInterface < Test::Unit::TestCase
+ include JSON
+
+ def setup
+ @hash = {
+ 'a' => 2,
+ 'b' => 3.141,
+ 'c' => 'c',
+ 'd' => [ 1, "b", 3.14 ],
+ 'e' => { 'foo' => 'bar' },
+ 'g' => "\"\0\037",
+ 'h' => 1000.0,
+ 'i' => 0.001
+ }
+ @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
+ end
+
+ def test_state
+ assert_match /::Generator::State\z/, JSON.state.name
+ end
+
+ def test_create_id
+ assert_equal 'json_class', JSON.create_id
+ JSON.create_id = 'foo_bar'
+ assert_equal 'foo_bar', JSON.create_id
+ ensure
+ 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
+
+ def test_parse_bang
+ assert_equal [ 1, NaN, 3, ], JSON.parse!('[ 1, NaN, 3 ]')
+ end
+
+ def test_generate
+ assert_equal '[1,2,3]', JSON.generate([ 1, 2, 3 ])
+ end
+
+ def test_fast_generate
+ assert_equal '[1,2,3]', JSON.generate([ 1, 2, 3 ])
+ end
+
+ def test_pretty_generate
+ assert_equal "[\n 1,\n 2,\n 3\n]", JSON.pretty_generate([ 1, 2, 3 ])
+ end
+
+ def test_load
+ assert_equal @hash, JSON.load(@json)
+ tempfile = Tempfile.open('@json')
+ tempfile.write @json
+ tempfile.rewind
+ assert_equal @hash, JSON.load(tempfile)
+ stringio = StringIO.new(@json)
+ stringio.rewind
+ assert_equal @hash, JSON.load(stringio)
+ assert_equal nil, JSON.load(nil)
+ assert_equal nil, JSON.load('')
+ ensure
+ tempfile.close!
+ end
+
+ def test_load_with_options
+ json = '{ "foo": NaN }'
+ assert JSON.load(json, nil, :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) }
+ end
+
+ def test_dump
+ too_deep = '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'
+ assert_equal too_deep, dump(eval(too_deep))
+ assert_kind_of String, Marshal.dump(eval(too_deep))
+ assert_raise(ArgumentError) { dump(eval(too_deep), 100) }
+ assert_raise(ArgumentError) { Marshal.dump(eval(too_deep), 100) }
+ assert_equal too_deep, dump(eval(too_deep), 101)
+ assert_kind_of String, Marshal.dump(eval(too_deep), 101)
+ output = StringIO.new
+ dump(eval(too_deep), output)
+ assert_equal too_deep, output.string
+ output = StringIO.new
+ dump(eval(too_deep), output, 101)
+ assert_equal too_deep, output.string
+ end
+
+ def test_dump_should_modify_defaults
+ max_nesting = JSON.dump_default_options[:max_nesting]
+ dump([], StringIO.new, 10)
+ assert_equal max_nesting, JSON.dump_default_options[:max_nesting]
+ end
+
+ def test_JSON
+ assert_equal @json, JSON(@hash)
+ assert_equal @hash, JSON(@json)
+ end
+end