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require "../spec_helper"
require "json"
require "yaml"
describe JSON::Any do
it ".new" do
JSON::Any.new(nil).raw.should be_nil
JSON::Any.new(true).raw.should eq true
JSON::Any.new(1_i64).raw.should eq 1_i64
JSON::Any.new(1).raw.should eq 1
JSON::Any.new(1_u8).raw.should eq 1
JSON::Any.new(0.0).raw.should eq 0.0
JSON::Any.new(0.0_f32).raw.should eq 0.0
JSON::Any.new("foo").raw.should eq "foo"
JSON::Any.new([] of JSON::Any).raw.should eq [] of JSON::Any
JSON::Any.new({} of String => JSON::Any).raw.should eq({} of String => JSON::Any)
end
describe "casts" do
it "gets nil" do
JSON.parse("null").as_nil.should be_nil
end
it "gets bool" do
JSON.parse("true").as_bool.should be_true
JSON.parse("false").as_bool.should be_false
JSON.parse("true").as_bool?.should be_true
JSON.parse("false").as_bool?.should be_false
JSON.parse("2").as_bool?.should be_nil
end
it "gets int32" do
JSON.parse("123").as_i.should eq(123)
JSON.parse("123").as_i?.should eq(123)
JSON.parse("true").as_i?.should be_nil
end
it "gets int64" do
JSON.parse("123456789123456").as_i64.should eq(123456789123456)
JSON.parse("123456789123456").as_i64?.should eq(123456789123456)
JSON.parse("true").as_i64?.should be_nil
end
it "gets float32" do
JSON.parse("123.45").as_f32.should eq(123.45_f32)
expect_raises(TypeCastError) { JSON.parse("true").as_f32 }
JSON.parse("123.45").as_f32?.should eq(123.45_f32)
JSON.parse("true").as_f32?.should be_nil
end
it "gets float32 from JSON integer (#8618)" do
value = JSON.parse("123").as_f32
value.should eq(123.0)
value.should be_a(Float32)
value = JSON.parse("123").as_f32?
value.should eq(123.0)
value.should be_a(Float32)
end
it "gets float64" do
JSON.parse("123.45").as_f.should eq(123.45)
expect_raises(TypeCastError) { JSON.parse("true").as_f }
JSON.parse("123.45").as_f?.should eq(123.45)
JSON.parse("true").as_f?.should be_nil
end
it "gets float64 from JSON integer (#8618)" do
value = JSON.parse("123").as_f
value.should eq(123.0)
value.should be_a(Float64)
value = JSON.parse("123").as_f?
value.should eq(123.0)
value.should be_a(Float64)
end
it "gets string" do
JSON.parse(%("hello")).as_s.should eq("hello")
JSON.parse(%("hello")).as_s?.should eq("hello")
JSON.parse("true").as_s?.should be_nil
end
it "gets array" do
JSON.parse(%([1, 2, 3])).as_a.should eq([1, 2, 3])
JSON.parse(%([1, 2, 3])).as_a?.should eq([1, 2, 3])
JSON.parse("true").as_a?.should be_nil
end
it "gets hash" do
JSON.parse(%({"foo": "bar"})).as_h.should eq({"foo" => "bar"})
JSON.parse(%({"foo": "bar"})).as_h?.should eq({"foo" => "bar"})
JSON.parse("true").as_h?.should be_nil
end
end
describe "#size" do
it "of array" do
JSON.parse("[1, 2, 3]").size.should eq(3)
end
it "of hash" do
JSON.parse(%({"foo": "bar"})).size.should eq(1)
end
end
describe "#[]" do
it "of array" do
JSON.parse("[1, 2, 3]")[1].raw.should eq(2)
end
it "of hash" do
JSON.parse(%({"foo": "bar"}))["foo"].raw.should eq("bar")
end
end
describe "#[]?" do
it "of array" do
JSON.parse("[1, 2, 3]")[1]?.not_nil!.raw.should eq(2)
JSON.parse("[1, 2, 3]")[3]?.should be_nil
JSON.parse("[true, false]")[1]?.should eq false
end
it "of hash" do
JSON.parse(%({"foo": "bar"}))["foo"]?.not_nil!.raw.should eq("bar")
JSON.parse(%({"foo": "bar"}))["fox"]?.should be_nil
JSON.parse(%q<{"foo": false}>)["foo"]?.should eq false
end
end
describe "#dig?" do
it "gets the value at given path given splat" do
obj = JSON.parse(%({"foo": [1, {"bar": [2, 3]}]}))
obj.dig?("foo", 0).should eq(1)
obj.dig?("foo", 1, "bar", 1).should eq(3)
end
it "returns nil if not found" do
obj = JSON.parse(%({"foo": [1, {"bar": [2, 3]}]}))
obj.dig?("foo", 10).should be_nil
obj.dig?("bar", "baz").should be_nil
obj.dig?("").should be_nil
end
it "returns nil for non-Hash/Array intermediary values" do
JSON::Any.new(nil).dig?("foo").should be_nil
JSON::Any.new(0.0).dig?("foo").should be_nil
end
end
describe "dig" do
it "gets the value at given path given splat" do
obj = JSON.parse(%({"foo": [1, {"bar": [2, 3]}]}))
obj.dig("foo", 0).should eq(1)
obj.dig("foo", 1, "bar", 1).should eq(3)
end
it "raises if not found" do
obj = JSON.parse(%({"foo": [1, {"bar": [2, 3]}]}))
expect_raises Exception, %(Expected Hash for #[](key : String), not Array(JSON::Any)) do
obj.dig("foo", 1, "bar", "baz")
end
expect_raises KeyError, %(Missing hash key: "z") do
obj.dig("z")
end
expect_raises KeyError, %(Missing hash key: "") do
obj.dig("")
end
end
end
it "traverses big structure" do
obj = JSON.parse(%({"foo": [1, {"bar": [2, 3]}]}))
obj["foo"][1]["bar"][1].as_i.should eq(3)
end
it "compares to other objects" do
obj = JSON.parse(%([1, 2]))
obj.should eq([1, 2])
obj[0].should eq(1)
end
it "can compare with ===" do
(1 === JSON.parse("1")).should be_truthy
end
it "exposes $~ when doing Regex#===" do
(/o+/ === JSON.parse(%("foo"))).should be_truthy
$~[0].should eq("oo")
end
it "dups" do
any = JSON.parse("[1, 2, 3]")
any2 = any.dup
any2.as_a.should_not be(any.as_a)
end
it "clones" do
any = JSON.parse("[[1], 2, 3]")
any2 = any.clone
any2.as_a[0].as_a.should_not be(any.as_a[0].as_a)
end
it "#to_yaml" do
any = JSON.parse <<-JSON
{
"foo": "bar",
"baz": [1, 2.3, true, "qux", {"qax": "qox"}]
}
JSON
any.to_yaml.should eq <<-YAML
---
foo: bar
baz:
- 1
- 2.3
- true
- qux
- qax: qox
YAML
end
end
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