require_relative '../../spec_helper' require_relative 'fixtures/common' require_relative 'fixtures/example_class' describe "Object#to_yaml" do it "returns the YAML representation of an Array object" do %w( 30 ruby maz irb 99 ).to_yaml.gsub("'", '"').should match_yaml("--- \n- \"30\"\n- ruby\n- maz\n- irb\n- \"99\"\n") end it "returns the YAML representation of a Hash object" do { "a" => "b"}.to_yaml.should match_yaml("--- \na: b\n") end it "returns the YAML representation of a Class object" do YAMLSpecs::Example.new("baz").to_yaml.should match_yaml("--- !ruby/object:YAMLSpecs::Example\nname: baz\n") end it "returns the YAML representation of a Date object" do require 'date' Date.parse('1997/12/30').to_yaml.should match_yaml("--- 1997-12-30\n") end it "returns the YAML representation of a FalseClass" do false_klass = false false_klass.should be_kind_of(FalseClass) false_klass.to_yaml.should match_yaml("--- false\n") end it "returns the YAML representation of a Float object" do float = 1.2 float.should be_kind_of(Float) float.to_yaml.should match_yaml("--- 1.2\n") end it "returns the YAML representation of an Integer object" do int = 20 int.should be_kind_of(Integer) int.to_yaml.should match_yaml("--- 20\n") end it "returns the YAML representation of a NilClass object" do nil_klass = nil nil_klass.should be_kind_of(NilClass) nil_klass.to_yaml.should match_yaml("--- \n") end it "returns the YAML representation of a RegExp object" do Regexp.new('^a-z+:\\s+\w+').to_yaml.should match_yaml("--- !ruby/regexp /^a-z+:\\s+\\w+/\n") end it "returns the YAML representation of a String object" do "I love Ruby".to_yaml.should match_yaml("--- I love Ruby\n") end it "returns the YAML representation of a Struct object" do Person = Struct.new(:name, :gender) Person.new("Jane", "female").to_yaml.should match_yaml("--- !ruby/struct:Person\nname: Jane\ngender: female\n") end it "returns the YAML representation of a Symbol object" do :symbol.to_yaml.should match_yaml("--- :symbol\n") end it "returns the YAML representation of a Time object" do Time.utc(2000,"jan",1,20,15,1).to_yaml.sub(/\.0+/, "").should match_yaml("--- 2000-01-01 20:15:01 Z\n") end it "returns the YAML representation of a TrueClass" do true_klass = true true_klass.should be_kind_of(TrueClass) true_klass.to_yaml.should match_yaml("--- true\n") end ruby_version_is ""..."2.7" do it "returns the YAML representation of a Error object" do StandardError.new("foobar").to_yaml.should match_yaml("--- !ruby/exception:StandardError\nmessage: foobar\n") end end ruby_version_is "2.7" do it "returns the YAML representation of a Error object" do StandardError.new("foobar").to_yaml.should match_yaml("--- !ruby/exception:StandardError\nmessage: foobar\nbacktrace: \n") end end it "returns the YAML representation for Range objects" do yaml = Range.new(1,3).to_yaml yaml.include?("!ruby/range").should be_true yaml.include?("begin: 1").should be_true yaml.include?("end: 3").should be_true yaml.include?("excl: false").should be_true end it "returns the YAML representation of numeric constants" do nan_value.to_yaml.downcase.should match_yaml("--- .nan\n") infinity_value.to_yaml.downcase.should match_yaml("--- .inf\n") (-infinity_value).to_yaml.downcase.should match_yaml("--- -.inf\n") (0.0).to_yaml.should match_yaml("--- 0.0\n") end it "returns the YAML representation of an array of hashes" do players = [{"a" => "b"}, {"b" => "c"}] players.to_yaml.should match_yaml("--- \n- a: b\n- b: c\n") end end