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# encoding: UTF-8
require 'spec_helper'
require 'date'
describe "FFI_Yajl::Encoder" do
let(:encoder) { FFI_Yajl::Encoder.new }
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 = { 12345678901234567890 => 2 }
expect(encoder.encode(ruby)).to eq('{"12345678901234567890":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"=>4294967294 }
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( %q{"2001-02-03"} )
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( %q{"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( %q{"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
end
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