Module: ResolverSpecs

Defined in:
lib/puppet/vendor/safe_yaml/spec/resolver_specs.rb

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object



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# File 'lib/puppet/vendor/safe_yaml/spec/resolver_specs.rb', line 2

def self.included(base)
  base.module_eval do
    let(:resolver) { nil }
    let(:result) { @result }

    def parse(yaml)
      tree = YAML.parse(yaml.unindent)
      @result = resolver.resolve_node(tree)
    end

    # Isn't this how I should've been doing it all along?
    def parse_and_test(yaml)
      parse(yaml)
      @result.should == YAML.unsafe_load(yaml)
    end

    context "by default" do
      it "translates maps to hashes" do
        parse <<-YAML
          potayto: potahto
          tomayto: tomahto
        YAML

        result.should == {
          "potayto" => "potahto",
          "tomayto" => "tomahto"
        }
      end

      it "translates sequences to arrays" do
        parse <<-YAML
          - foo
          - bar
          - baz
        YAML

        result.should == ["foo", "bar", "baz"]
      end

      it "translates most values to strings" do
        parse "string: value"
        result.should == { "string" => "value" }
      end

      it "does not deserialize symbols" do
        parse ":symbol: value"
        result.should == { ":symbol" => "value" }
      end

      it "translates valid integral numbers to integers" do
        parse "integer: 1"
        result.should == { "integer" => 1 }
      end

      it "translates valid decimal numbers to floats" do
        parse "float: 3.14"
        result.should == { "float" => 3.14 }
      end

      it "translates valid dates" do
        parse "date: 2013-01-24"
        result.should == { "date" => Date.parse("2013-01-24") }
      end

      it "translates valid true/false values to booleans" do
        parse <<-YAML
          - yes
          - true
          - no
          - false
        YAML

        result.should == [true, true, false, false]
      end

      it "translates valid nulls to nil" do
        parse <<-YAML
          - 
          - ~
          - null
        YAML

        result.should == [nil] * 3
      end

      it "matches the behavior of the underlying YAML engine w/ respect to capitalization of boolean values" do
        parse_and_test <<-YAML
          - true
          - True
          - TRUE
          - tRue
          - TRue
          - False
          - FALSE
          - fAlse
          - FALse
        YAML

        # using Syck: [true, true, true, "tRue", "TRue", false, false, "fAlse", "FALse"]
        # using Psych: all booleans
      end

      it "matches the behavior of the underlying YAML engine w/ respect to capitalization of nil values" do
        parse_and_test <<-YAML
          - Null
          - NULL
          - nUll
          - NUll
        YAML

        # using Syck: [nil, nil, "nUll", "NUll"]
        # using Psych: all nils
      end

      it "translates quoted empty strings to strings (not nil)" do
        parse "foo: ''"
        result.should == { "foo" => "" }
      end

      it "correctly reverse-translates strings encoded via #to_yaml" do
        parse "5.10".to_yaml
        result.should == "5.10"
      end

      it "does not specially parse any double-quoted strings" do
        parse <<-YAML
          - "1"
          - "3.14"
          - "true"
          - "false"
          - "2013-02-03"
          - "2013-02-03 16:27:00 -0600"
        YAML

        result.should == ["1", "3.14", "true", "false", "2013-02-03", "2013-02-03 16:27:00 -0600"]
      end

      it "does not specially parse any single-quoted strings" do
        parse <<-YAML
          - '1'
          - '3.14'
          - 'true'
          - 'false'
          - '2013-02-03'
          - '2013-02-03 16:27:00 -0600'
        YAML

        result.should == ["1", "3.14", "true", "false", "2013-02-03", "2013-02-03 16:27:00 -0600"]
      end

      it "deals just fine with nested maps" do
        parse <<-YAML
          foo:
            bar:
              marco: polo
        YAML

        result.should == { "foo" => { "bar" => { "marco" => "polo" } } }
      end

      it "deals just fine with nested sequences" do
        parse <<-YAML
          - foo
          -
            - bar1
            - bar2
            -
              - baz1
              - baz2
        YAML

        result.should == ["foo", ["bar1", "bar2", ["baz1", "baz2"]]]
      end

      it "applies the same transformations to keys as to values" do
        parse <<-YAML
          foo: string
          :bar: symbol
          1: integer
          3.14: float
          2013-01-24: date
        YAML

        result.should == {
          "foo"  => "string",
          ":bar" => "symbol",
          1      => "integer",
          3.14   => "float",
          Date.parse("2013-01-24") => "date",
        }
      end

      it "applies the same transformations to elements in sequences as to all values" do
        parse <<-YAML
          - foo
          - :bar
          - 1
          - 3.14
          - 2013-01-24
        YAML

        result.should == ["foo", ":bar", 1, 3.14, Date.parse("2013-01-24")]
      end
    end

    context "for Ruby version #{RUBY_VERSION}" do
      it "translates valid time values" do
        parse "time: 2013-01-29 05:58:00 -0800"
        result.should == { "time" => Time.utc(2013, 1, 29, 13, 58, 0) }
      end

      it "applies the same transformation to elements in sequences" do
        parse "- 2013-01-29 05:58:00 -0800"
        result.should == [Time.utc(2013, 1, 29, 13, 58, 0)]
      end

      it "applies the same transformation to keys" do
        parse "2013-01-29 05:58:00 -0800: time"
        result.should == { Time.utc(2013, 1, 29, 13, 58, 0) => "time" }
      end
    end

    context "with symbol deserialization enabled" do
      before :each do
        SafeYAML::OPTIONS[:deserialize_symbols] = true
      end

      after :each do
        SafeYAML.restore_defaults!
      end

      it "translates values starting with ':' to symbols" do
        parse "symbol: :value"
        result.should == { "symbol" => :value }
      end

      it "applies the same transformation to keys" do
        parse ":bar: symbol"
        result.should == { :bar  => "symbol" }
      end

      it "applies the same transformation to elements in sequences" do
        parse "- :bar"
        result.should == [:bar]
      end
    end
  end
end