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# encoding: UTF-8
# Copyright (c) 2015 Lamont Granquist
# Copyright (c) 2015 Chef Software, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
require "spec_helper"
require "date"
describe "FFI_Yajl::Encoder" do
let(:options) { {} }
let(:encoder) { FFI_Yajl::Encoder.new(options) }
it "encodes hashes in keys as strings", ruby_gte_193: true do
ruby = { { "a" => "b" } => 2 }
expect(encoder.encode(ruby)).to eq('{"{\"a\"=>\"b\"}":2}')
end
it "encodes arrays in keys as strings", ruby_gte_193: true do
ruby = { [0, 1] => 2 }
expect(encoder.encode(ruby)).to eq('{"[0, 1]":2}')
end
it "encodes nil in keys as strings" do
ruby = { nil => 2 }
expect(encoder.encode(ruby)).to eq('{"":2}')
end
it "encodes true in keys as strings" do
ruby = { true => 2 }
expect(encoder.encode(ruby)).to eq('{"true":2}')
end
it "encodes false in keys as strings" do
ruby = { false => 2 }
expect(encoder.encode(ruby)).to eq('{"false":2}')
end
it "encodes fixnums in keys as strings" do
ruby = { 1 => 2 }
expect(encoder.encode(ruby)).to eq('{"1":2}')
end
it "encodes floats in keys as strings" do
ruby = { 1.1 => 2 }
expect(encoder.encode(ruby)).to eq('{"1.1":2}')
end
it "encodes bignums in keys as strings" do
ruby = { 12_345_678_901_234_567_890 => 2 }
expect(encoder.encode(ruby)).to eq('{"12345678901234567890":2}')
end
it "encodes objects in keys as strings" do
o = Object.new
ruby = { o => 2 }
expect(encoder.encode(ruby)).to eq(%{{"#{o}":2}})
end
it "encodes an object in a key which has a #to_json method as strings" do
class Thing
def to_json(*a)
"{}"
end
end
o = Thing.new
ruby = { o => 2 }
expect(encoder.encode(ruby)).to eq(%{{"#{o}":2}})
end
# XXX: 127 == YAJL_MAX_DEPTH hardcodedness, zero control for us, it isn't even a twiddleable #define
it "raises an exception for deeply nested arrays" do
root = []
a = root
127.times { |_| a << []; a = a[0] }
expect { encoder.encode(root) }.to raise_error(FFI_Yajl::EncodeError)
end
it "raises an exception for deeply nested hashes" do
root = {}
a = root
127.times { |_| a["a"] = {}; a = a["a"] }
expect { encoder.encode(root) }.to raise_error(FFI_Yajl::EncodeError)
end
it "encodes symbols in keys as strings" do
ruby = { thing: 1 }
expect(encoder.encode(ruby)).to eq('{"thing":1}')
end
it "encodes symbols in values as strings" do
ruby = { "thing" => :one }
expect(encoder.encode(ruby)).to eq('{"thing":"one"}')
end
it "can encode 32-bit unsigned ints" do
ruby = { "gid" => 4_294_967_294 }
expect(encoder.encode(ruby)).to eq('{"gid":4294967294}')
end
context "when the encoder has nil passed in for options" do
let(:encoder) { FFI_Yajl::Encoder.new(nil) }
it "does not throw an exception" do
ruby = { "foo" => "bar" }
expect(encoder.encode(ruby)).to eq("{\"foo\":\"bar\"}")
end
end
it "can encode Date objects" do
ruby = Date.parse("2001-02-03")
expect(encoder.encode(ruby)).to eq( '"2001-02-03"' )
end
it "can encode StringIOs" do
ruby = { "foo" => StringIO.new("THING") }
expect(encoder.encode(ruby)).to eq("{\"foo\":\"THING\"}")
end
context "when encoding Time objects in UTC timezone" do
before do
@saved_tz = ENV["TZ"]
ENV["TZ"] = "UTC"
end
after do
ENV["TZ"] = @saved_tz
end
it "encodes them correctly" do
ruby = Time.local(2001, 02, 02, 21, 05, 06)
expect(encoder.encode(ruby)).to eq( '"2001-02-02 21:05:06 +0000"' )
end
end
it "can encode DateTime objects" do
ruby = DateTime.parse("2001-02-03T04:05:06.1+07:00")
expect(encoder.encode(ruby)).to eq( '"2001-02-03T04:05:06+07:00"' )
end
describe "testing .to_json for Objects" do
class NoToJson; end
class HasToJson
def to_json(*args)
"{}"
end
end
it "calls .to_s for objects without .to_json" do
expect(encoder.encode(NoToJson.new)).to match(/^"#<NoToJson:\w+>"$/)
end
it "calls .to_json for objects wit .to_json" do
expect(encoder.encode(HasToJson.new)).to eq("{}")
end
end
context "when encoding invalid utf-8" do
ruby = {
"automatic" => {
"etc" => {
"passwd" => {
"root" => { "dir" => "/root", "gid" => 0, "uid" => 0, "shell" => "/bin/sh", "gecos" => "Elan Ruusam\xc3\xa4e" },
"glen" => { "dir" => "/home/glen", "gid" => 500, "uid" => 500, "shell" => "/bin/bash", "gecos" => "Elan Ruusam\xE4e" },
"helmüt" => { "dir" => "/home/helmüt", "gid" => 500, "uid" => 500, "shell" => "/bin/bash", "gecos" => "Hañs Helmüt" },
},
},
},
}
it "raises an error on invalid json" do
expect { encoder.encode(ruby) }.to raise_error(FFI_Yajl::EncodeError, /Invalid UTF-8 string 'Elan Ruusam.*': cannot encode to UTF-8/)
end
context "when validate_utf8 is off" do
let(:options) { { validate_utf8: false } }
it "does not raise an error" do
expect { encoder.encode(ruby) }.not_to raise_error
end
it "returns utf8" do
expect( encoder.encode(ruby).encoding ).to eq(Encoding::UTF_8)
end
it "returns valid utf8" do
expect( encoder.encode(ruby).valid_encoding? ).to be true
end
it "does not mangle valid utf8" do
json = encoder.encode(ruby)
expect(json).to match(/Hañs Helmüt/)
end
it "does not grow after a round trip" do
json = encoder.encode(ruby)
ruby2 = FFI_Yajl::Parser.parse(json)
json2 = encoder.encode(ruby2)
expect(json).to eql(json2)
end
end
end
end
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