diff --git a/lib/json/common.rb b/lib/json/common.rb index 991d7604..bd339971 100644 --- a/lib/json/common.rb +++ b/lib/json/common.rb @@ -282,6 +282,16 @@ def parse!(source, opts = {}) Parser.new(source, **(opts||{})).parse end + # Parses the content of a file (see parse method documentation for more information). + def load_file(filespec, opts = {}) + parse(File.read(filespec), opts) + end + + # Parses the content of a file (see parse! method documentation for more information). + def load_file!(filespec, opts = {}) + parse!(File.read(filespec), opts) + end + # :call-seq: # JSON.generate(obj, opts = nil) -> new_string # diff --git a/tests/json_common_interface_test.rb b/tests/json_common_interface_test.rb index 53f335ed..4fdc2b11 100644 --- a/tests/json_common_interface_test.rb +++ b/tests/json_common_interface_test.rb @@ -123,4 +123,60 @@ def test_JSON assert_equal @json, JSON(@hash) assert_equal @hash, JSON(@json) end + + def test_load_file + test_load_shared(:load_file) + end + + def test_load_file! + test_load_shared(:load_file!) + end + + def test_load_file_with_option + test_load_file_with_option_shared(:load_file) + end + + def test_load_file_with_option! + test_load_file_with_option_shared(:load_file!) + end + + private + + def test_load_shared(method_name) + temp_file_containing(@json) do |filespec| + assert_equal JSON.public_send(method_name, filespec), @hash + end + end + + def test_load_file_with_option_shared(method_name) + temp_file_containing(@json) do |filespec| + parsed_object = JSON.public_send(method_name, filespec, symbolize_names: true) + key_classes = parsed_object.keys.map(&:class) + assert_true key_classes.include?(Symbol) && (! key_classes.include?(String)) + end + end + + # Copied and slightly modified from https://github.com/keithrbennett/trick_bag + # (https://github.com/keithrbennett/trick_bag/blob/master/lib/trick_bag/io/temp_files.rb). + # + # For the easy creation and deletion of a temp file populated with text, + # wrapped around the code block you provide. + # + # @param text the text to write to the temporary file + # @param file_prefix optional prefix for the temporary file's name + # @yield filespec of the temporary file + def temp_file_containing(text, file_prefix = '') + raise "This method must be called with a code block." unless block_given? + + filespec = nil + begin + Tempfile.open(file_prefix) do |file| + file << text + filespec = file.path + end + yield(filespec) + ensure + File.delete(filespec) if filespec && File.exist?(filespec) + end + end end