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ruby--ruby/spec/ruby/library/yaml/to_yaml_spec.rb

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Ruby

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