require "spec_helper"

describe Schematic::Serializers::Xsd do
  before do
    class EmptyModel < ActiveRecord::Base

      def self.columns
        []
      end
    end
  end

  describe ".to_xsd" do

    context "XSD validation" do
      context "for a normal class that has XML serialization" do
        subject { SomeClass.to_xsd }

        before do
          class SomeClass
            include ActiveModel::Serializers::Xml
            def attributes=(hash)
              @hash = hash
            end

            def attributes
              @hash
            end
            extend Schematic::Serializers::Xsd
            schematic do
              add :foo
            end

          end
        end

        it "should generate a valid XSD" do
          validate_xsd(subject)
        end

        it "should validate against it's own XSD" do
          invalid_instance = SomeClass.new
          invalid_instance.attributes = { "bar" => "foo" }
          xml = [invalid_instance].to_xml
          lambda {
            validate_xml_against_xsd(xml, subject)
          }.should raise_error

          instance = SomeClass.new
          instance.attributes = { "foo" => "bar" }
          xml = [instance].to_xml
          validate_xml_against_xsd(xml, subject)
        end
      end
      context "when the model is not namespaced" do
        subject { SomeModel.to_xsd }

        with_model :some_model do
          table do |t|
            t.string "some_string"
            t.text "some_text"
            t.float "some_float"
            t.integer "some_integer"
            t.datetime "some_datetime"
            t.date "some_date"
            t.boolean "some_boolean"
            t.text "method_is_also_columns"
          end

          model do
            validates :some_string, :presence => true, :length => { :maximum => 100 }
            validates :some_text, :presence => true
            validates :some_date, :presence => true, :allow_blank => true
            validates :some_datetime, :presence => true, :allow_blank => false
            attr_accessor :additional_method_array
            schematic do
              add :foo => { :bar => { :baz => nil }, :quz => [:qaz] }
              add :method_is_also_columns => [:method_is_also_column]
              add :additional_method_array => []
            end

            def to_xml(options)
              super({:methods => [:additional_method_array]}.merge(options))
            end
          end

        end

        it "should generate a valid XSD" do
          validate_xsd(subject)
        end

        it "should validate against it's own XSD" do
          instance = SomeModel.new(:some_string => "ExampleString",
                                   :some_date => Date.today,
                                   :some_text => "here is some text",
                                   :some_datetime => DateTime.new,
                                   :some_boolean => true,
                                   :some_float => 1.5,
                                   :method_is_also_columns => ["somevalues"],
                                   :additional_method_array => {"somevalue" => "somekey"},
                                   :some_integer => 2)
          xml = [instance].to_xml
          validate_xml_against_xsd(xml, subject)
        end
      end

      context "when the model is namespaced" do
        before do
          module Namespace; end
        end

        subject { Namespace::SomeModel.to_xsd }

        with_model :some_model do
          table do |t|
            t.string "some_string"
          end

          model do
            validates :some_string, :presence => true
          end

        end

        before do
          class Namespace::SomeModel < SomeModel
          end
        end

        it "should generate a valid XSD" do
          validate_xsd(subject)
        end
      end

      context "when the model has a nested attribute on a subclass with a reference to the superclass" do
        with_model :parent do
          table {}
          model do
            has_many :children, :class_name => "Namespace::Child"
            accepts_nested_attributes_for :children
          end
        end

        with_model :child do
          table do |t|
            t.integer :parent_id
          end

          model do
            belongs_to :parent
          end
        end

        before do
          module Namespace; end
          class Namespace::Child < Child
            accepts_nested_attributes_for :parent
          end
        end

        subject { Namespace::Child.to_xsd }

        it "should generate a valid XSD" do
          validate_xsd(subject)
        end

        it "should validate against its own XSD" do
          child_instance = Namespace::Child.new(:parent_id => 123)
          xml = [child_instance].to_xml
          lambda {
            validate_xml_against_xsd(xml, subject)
          }.should_not raise_error
        end
      end

      context "when the model has a nested attribute on a subclass with a different class name than the association" do
        with_model :parent do
          table {}
          model do
            has_many :children, :class_name => "SpecialChild"
            accepts_nested_attributes_for :children
          end
        end

        with_model :special_child do
          table do |t|
            t.integer :parent_id
          end

          model do
            belongs_to :parent
          end
        end

        subject { Parent.to_xsd }

        it "should generate a valid XSD" do
          subject.should include "children-attributes"
          subject.should_not include "special-children-attributes"
          validate_xsd(subject)
        end
      end

      context "when the model has a circular nested attribute reference" do
        with_model :plate do
          table {}
          model do
            has_many :cheeses
            accepts_nested_attributes_for :cheeses
          end
        end

        with_model :cheese do
          table do |t|
            t.integer :plate_id
          end

          model do
            belongs_to :plate
            accepts_nested_attributes_for :plate
          end
        end

        subject { Cheese.to_xsd }

        it "should generate a valid XSD" do
          validate_xsd(subject)
        end

      end

      context "when the model has a nested reference that references another nested reference" do
        with_model :blog do
          table {}
          model do
            has_many :posts
            has_many :readers
            accepts_nested_attributes_for :posts
            accepts_nested_attributes_for :readers
          end
        end

        with_model :post do
          table do |t|
            t.integer :blog_id
          end

          model do
            belongs_to :blog
            has_many :readers
            accepts_nested_attributes_for :blog
            accepts_nested_attributes_for :readers
          end
        end

        with_model :reader do
          table do |t|
            t.integer :blog_id
            t.integer :post_id
          end
        end

        subject { Post.to_xsd }

        it "should generate a valid XSD" do
          validate_xsd(subject)
        end

      end
    end

    context "for an empty model with no attributes or validations" do
      subject { sanitize_xml(EmptyModel.to_xsd) }

      it "should return an xsd for an array of the model" do
        xsd = <<-XML
          <?xml version="1.0" encoding="UTF-8"?>
          <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
            <xs:complexType name="Integer">
            <xs:simpleContent>
            <xs:extension base="xs:integer">
            <xs:attribute name="type" type="xs:string" use="optional"/>
            </xs:extension>
            </xs:simpleContent>
            </xs:complexType>
            <xs:complexType name="Float">
            <xs:simpleContent>
            <xs:extension base="xs:float">
            <xs:attribute name="type" type="xs:string" use="optional"/>
            </xs:extension>
            </xs:simpleContent>
            </xs:complexType>
            <xs:complexType name="String">
            <xs:simpleContent>
            <xs:extension base="xs:string">
            <xs:attribute name="type" type="xs:string" use="optional"/>
            </xs:extension>
            </xs:simpleContent>
            </xs:complexType>
            <xs:complexType name="Text">
            <xs:simpleContent>
            <xs:extension base="xs:string">
            <xs:attribute name="type" type="xs:string" use="optional"/>
            </xs:extension>
            </xs:simpleContent>
            </xs:complexType>
            <xs:complexType name="DateTime">
            <xs:simpleContent>
            <xs:extension base="xs:dateTime">
            <xs:attribute name="type" type="xs:string" use="optional"/>
            </xs:extension>
            </xs:simpleContent>
            </xs:complexType>
            <xs:complexType name="Date">
            <xs:simpleContent>
            <xs:extension base="xs:date">
            <xs:attribute name="type" type="xs:string" use="optional"/>
            </xs:extension>
            </xs:simpleContent>
            </xs:complexType>
            <xs:complexType name="Boolean">
            <xs:simpleContent>
            <xs:extension base="xs:boolean">
            <xs:attribute name="type" type="xs:string" use="optional"/>
            </xs:extension>
            </xs:simpleContent>
            </xs:complexType>
            <xs:element name="empty-models" type="EmptyModels">
            </xs:element>
            <xs:complexType name="EmptyModels">
              <xs:sequence>
                <xs:element name="empty-model" type="EmptyModel" minOccurs="0" maxOccurs="unbounded"/>
              </xs:sequence>
              <xs:attribute name="type" type="xs:string" fixed="array"/>
            </xs:complexType>
            <xs:complexType name="EmptyModel">
              <xs:all>
              </xs:all>
            </xs:complexType>
          </xs:schema>
        XML
        subject.should == sanitize_xml(xsd)
      end

    end

    context "for a model with attributes" do

      subject { sanitize_xml(SomeModel.to_xsd) }

      context "for a any attribute" do
        with_model :some_model do
          table :id => false do |t|
            t.float 'some_float'
          end
        end

        it "should define the correct xsd element" do
          xsd = generate_xsd_for_model(SomeModel) do
            <<-XML
              <xs:element name="some-float" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                  <xs:simpleContent>
                    <xs:restriction base="Float">
                    </xs:restriction>
                  </xs:simpleContent>
                </xs:complexType>
              </xs:element>
            XML
          end

          subject.should == xsd
        end

      end

      describe "additional methods" do
        with_model :some_model do
          table {}
        end

        it "should include the additional method" do
          xsd = generate_xsd_for_model(SomeModel) do
            <<-XML
              <xs:element name="id" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                  <xs:simpleContent>
                    <xs:restriction base="Integer">
                    </xs:restriction>
                  </xs:simpleContent>
                </xs:complexType>
              </xs:element>
              <xs:element name="foo-bar" minOccurs="0" maxOccurs="1">
                <xs:complexType>
                  <xs:simpleContent>
                    <xs:restriction base="String">
                    </xs:restriction>
                  </xs:simpleContent>
                </xs:complexType>
              </xs:element>
            XML
          end

          sanitize_xml(SomeModel.to_xsd(:methods => {:foo_bar => nil})).should == xsd
        end
      end

    end

  end

  describe "#nested_attribute_name" do
    let(:xsd) {Schematic::Generator::Xsd.new(Object)}
    it "turns 'child' into 'children-attributes'" do
      xsd.nested_attribute_name('child').should == "children-attributes"
    end

    it "turns 'children' into 'children-attributes'" do
      xsd.nested_attribute_name('children').should == "children-attributes"
    end

    it "turns 'special-children' into 'special-children-attributes'" do
      xsd.nested_attribute_name("special_children").should == "special-children-attributes"
    end

    it "properly converts symbols" do
      xsd.nested_attribute_name(:very_special_children).should == "very-special-children-attributes"
    end
  end
end