Shindo.tests("Fog::Schema::DataValidator", "meta") do
  validator = Fog::Schema::DataValidator.new

  tests('#validate') do
    tests("returns true") do
      returns(true, "when value matches schema expectation") do
        validator.validate({ "key" => "Value" }, "key" => String)
      end

      returns(true, "when values within an array all match schema expectation") do
        validator.validate({ "key" => [1, 2] }, "key" => [Integer])
      end

      returns(true, "when nested values match schema expectation") do
        validator.validate({ "key" => { :nested_key => "Value" } }, "key" => { :nested_key => String })
      end

      returns(true, "when collection of values all match schema expectation") do
        validator.validate([{ "key" => "Value" }, { "key" => "Value" }], [{ "key" => String }])
      end

      returns(true, "when collection is empty although schema covers optional members") do
        validator.validate([], [{ "key" => String }])
      end

      returns(true, "when additional keys are passed and not strict") do
        validator.validate({ "key" => "Value", :extra => "Bonus" }, { "key" => String }, :allow_extra_keys => true)
      end

      returns(true, "when value is nil and schema expects NilClass") do
        validator.validate({ "key" => nil }, "key" => NilClass)
      end

      returns(true, "when value and schema match as hashes") do
        validator.validate({}, {})
      end

      returns(true, "when value and schema match as arrays") do
        validator.validate([], [])
      end

      returns(true, "when value is a Time") do
        validator.validate({ "time" => Time.now }, "time" => Time)
      end

      returns(true, 'when key is missing but value should be NilClass (#1477)') do
        validator.validate({}, { "key" => NilClass }, :allow_optional_rules => true)
      end

      returns(true, 'when key is missing but value is nullable (#1477)') do
        validator.validate({}, { "key" => Fog::Nullable::String }, :allow_optional_rules => true)
      end
    end

    tests("returns false") do
      returns(false, "when value does not match schema expectation") do
        validator.validate({ "key" => nil }, { "key" => String })
      end

      returns(false, "when key formats do not match") do
        validator.validate({ "key" => "Value" }, :key => String)
      end

      returns(false, "when additional keys are passed and strict") do
        validator.validate({ "key" => "Missing" }, {})
      end

      returns(false, "when some keys do not appear") do
        validator.validate({}, "key" => String)
      end

      returns(false, "when collection contains a member that does not match schema") do
        validator.validate([{ "key" => "Value" }, { "key" => 5 }], [{ "key" => String }])
      end

      returns(false, "when collection has multiple schema patterns") do
        validator.validate([{ "key" => "Value" }], [{ "key" => Integer }, { "key" => String }])
      end

      returns(false, "when hash and array are compared") do
        validator.validate({}, [])
      end

      returns(false, "when array and hash are compared") do
        validator.validate([], {})
      end

      returns(false, "when a hash is expected but another data type is found") do
        validator.validate({ "key" => { :nested_key => [] } }, "key" => { :nested_key => {} })
      end

      returns(false, 'when key is missing but value should be NilClass (#1477)') do
        validator.validate({}, { "key" => NilClass }, :allow_optional_rules => false)
      end

      returns(false, 'when key is missing but value is nullable (#1477)') do
        validator.validate({}, { "key" => Fog::Nullable::String }, :allow_optional_rules => false)
      end
    end
  end
end