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How to use declare_attribute method of FactoryBot Package

Best Factory_bot_ruby code snippet using FactoryBot.declare_attribute

factory_spec.rb

Source:factory_spec.rb

...13  end14  it "returns associations" do15    factory = FactoryBot::Factory.new(:post)16    FactoryBot::Internal.register_factory(FactoryBot::Factory.new(:admin))17    factory.declare_attribute(FactoryBot::Declaration::Association.new(:author, {}))18    factory.declare_attribute(FactoryBot::Declaration::Association.new(:editor, {}))19    factory.declare_attribute(FactoryBot::Declaration::Implicit.new(:admin, factory))20    factory.associations.each do |association|21      expect(association).to be_association22    end23    expect(factory.associations.to_a.length).to eq 324  end25  it "includes associations from the parent factory" do26    association_on_parent = FactoryBot::Declaration::Association.new(:association_on_parent, {})27    association_on_child  = FactoryBot::Declaration::Association.new(:association_on_child, {})28    factory = FactoryBot::Factory.new(:post)29    factory.declare_attribute(association_on_parent)30    FactoryBot::Internal.register_factory(factory)31    child_factory = FactoryBot::Factory.new(:child_post, parent: :post)32    child_factory.declare_attribute(association_on_child)33    expect(child_factory.associations.map(&:name)).to eq [:association_on_parent, :association_on_child]34  end35  describe "when overriding generated attributes with a hash" do36    before do37      @name  = :name38      @value = "The price is right!"39      @hash  = { @name => @value }40    end41    it "returns the overridden value in the generated attributes" do42      declaration =43        FactoryBot::Declaration::Dynamic.new(@name, false, -> { flunk })44      @factory.declare_attribute(declaration)45      result = @factory.run(FactoryBot::Strategy::AttributesFor, @hash)46      expect(result[@name]).to eq @value47    end48    it "overrides a symbol parameter with a string parameter" do49      declaration =50        FactoryBot::Declaration::Dynamic.new(@name, false, -> { flunk })51      @factory.declare_attribute(declaration)52      @hash = { @name.to_s => @value }53      result = @factory.run(FactoryBot::Strategy::AttributesFor, @hash)54      expect(result[@name]).to eq @value55    end56  end57  describe "overriding an attribute with an alias" do58    before do59      attribute = FactoryBot::Declaration::Dynamic.new(60        :test,61        false, -> { "original" }62      )63      @factory.declare_attribute(attribute)64      FactoryBot.aliases << [/(.*)_alias/, '\1']65      @result = @factory.run(66        FactoryBot::Strategy::AttributesFor,67        test_alias: "new",68      )69    end70    it "uses the passed in value for the alias" do71      expect(@result[:test_alias]).to eq "new"72    end73    it "discards the predefined value for the attribute" do74      expect(@result[:test]).to be_nil75    end76  end77  it "guesses the build class from the factory name" do78    expect(@factory.build_class).to eq User79  end80  it "creates a new factory using the class of the parent" do81    child = FactoryBot::Factory.new(:child, parent: @factory.name)82    child.compile83    expect(child.build_class).to eq @factory.build_class84  end85  it "creates a new factory while overriding the parent class" do86    child = FactoryBot::Factory.new(:child, class: String, parent: @factory.name)87    child.compile88    expect(child.build_class).to eq String89  end90end91describe FactoryBot::Factory, "when defined with a custom class" do92  subject           { FactoryBot::Factory.new(:author, class: Float) }93  its(:build_class) { should eq Float }94end95describe FactoryBot::Factory, "when given a class that overrides #to_s" do96  let(:overriding_class) { Overriding::Class }97  before do98    define_class("Overriding")99    define_class("Overriding::Class") do100      def self.to_s101        "Overriding"102      end103    end104  end105  subject { FactoryBot::Factory.new(:overriding_class, class: Overriding::Class) }106  it "sets build_class correctly" do107    expect(subject.build_class).to eq overriding_class108  end109end110describe FactoryBot::Factory, "when defined with a class instead of a name" do111  let(:factory_class) { ArgumentError }112  let(:name)          { :argument_error }113  subject { FactoryBot::Factory.new(factory_class) }114  its(:name)        { should eq name }115  its(:build_class) { should eq factory_class }116end117describe FactoryBot::Factory, "when defined with a custom class name" do118  subject           { FactoryBot::Factory.new(:author, class: :argument_error) }119  its(:build_class) { should eq ArgumentError }120end121describe FactoryBot::Factory, "with a name ending in s" do122  let(:name)           { :business }123  let(:business_class) { Business }124  before  { define_class("Business") }125  subject { FactoryBot::Factory.new(name) }126  its(:name)        { should eq name }127  its(:build_class) { should eq business_class }128end129describe FactoryBot::Factory, "with a string for a name" do130  let(:name) { :string }131  subject    { FactoryBot::Factory.new(name.to_s) }132  its(:name) { should eq name }133end134describe FactoryBot::Factory, "for namespaced class" do135  let(:name)           { :settings }136  let(:settings_class) { Admin::Settings }137  before do138    define_class("Admin")139    define_class("Admin::Settings")140  end141  context "with a namespaced class with Namespace::Class syntax" do142    subject { FactoryBot::Factory.new(name, class: "Admin::Settings") }143    it "sets build_class correctly" do144      expect(subject.build_class).to eq settings_class145    end146  end147  context "with a namespaced class with namespace/class syntax" do148    subject { FactoryBot::Factory.new(name, class: "admin/settings") }149    it "sets build_class correctly" do150      expect(subject.build_class).to eq settings_class151    end152  end153end154describe FactoryBot::Factory, "human names" do155  context "factory name without underscores" do156    subject           { FactoryBot::Factory.new(:user) }157    its(:names)       { should eq [:user] }158    its(:human_names) { should eq ["user"] }159  end160  context "factory name with underscores" do161    subject           { FactoryBot::Factory.new(:happy_user) }162    its(:names)       { should eq [:happy_user] }163    its(:human_names) { should eq ["happy user"] }164  end165  context "factory name with big letters" do166    subject           { FactoryBot::Factory.new(:LoL) }167    its(:names)       { should eq [:LoL] }168    its(:human_names) { should eq ["lol"] }169  end170  context "factory name with aliases" do171    subject           { FactoryBot::Factory.new(:happy_user, aliases: [:gleeful_user, :person]) }172    its(:names)       { should eq [:happy_user, :gleeful_user, :person] }173    its(:human_names) { should eq ["happy user", "gleeful user", "person"] }174  end175end176describe FactoryBot::Factory, "running a factory" do177  subject { FactoryBot::Factory.new(:user) }178  let(:attribute) do179    FactoryBot::Attribute::Dynamic.new(:name, false, -> { "value" })180  end181  let(:declaration) do182    FactoryBot::Declaration::Dynamic.new(:name, false, -> { "value" })183  end184  let(:strategy) { double("strategy", result: "result", add_observer: true) }185  let(:attributes) { [attribute] }186  let(:attribute_list) do187    double("attribute-list", declarations: [declaration], to_a: attributes)188  end189  before do190    define_model("User", name: :string)191    allow(FactoryBot::Declaration::Dynamic).to receive(:new).192      and_return declaration193    allow(declaration).to receive(:to_attributes).and_return attributes194    allow(FactoryBot::Strategy::Build).to receive(:new).and_return strategy195    subject.declare_attribute(declaration)196  end197  it "creates the right strategy using the build class when running" do198    subject.run(FactoryBot::Strategy::Build, {})199    expect(FactoryBot::Strategy::Build).to have_received(:new).once200  end201  it "returns the result from the strategy when running" do202    expect(subject.run(FactoryBot::Strategy::Build, {})).to eq "result"203  end204  it "calls the block and returns the result" do205    block_run = nil206    block = ->(_result) { block_run = "changed" }207    subject.run(FactoryBot::Strategy::Build, {}, &block)208    expect(block_run).to eq "changed"209  end...

declaration_list_spec.rb

Source:declaration_list_spec.rb

...11    declaration2 = double("declaration2", to_attributes: [attribute3])12    attribute_list = double("attribute list", define_attribute: true)13    declaration_list = FactoryBot::DeclarationList.new14    allow(FactoryBot::AttributeList).to receive(:new).and_return attribute_list15    declaration_list.declare_attribute(declaration1)16    declaration_list.declare_attribute(declaration2)17    declaration_list.attributes18    expect(attribute_list).to have_received(:define_attribute).with(attribute1)19    expect(attribute_list).to have_received(:define_attribute).with(attribute2)20    expect(attribute_list).to have_received(:define_attribute).with(attribute3)21  end22end23describe FactoryBot::DeclarationList, "#declare_attribute" do24  it "adds the declaration to the list when not overridable" do25    declaration1 = double("declaration", name: "declaration 1")26    declaration2 = double("declaration", name: "declaration 2")27    declaration_list = FactoryBot::DeclarationList.new28    declaration_list.declare_attribute(declaration1)29    expect(declaration_list.to_a).to eq [declaration1]30    declaration_list.declare_attribute(declaration2)31    expect(declaration_list.to_a).to eq [declaration1, declaration2]32  end33  it "adds the declaration to the list when overridable" do34    declaration1 = double("declaration", name: "declaration 1")35    declaration2 = double("declaration", name: "declaration 2")36    declaration_list = FactoryBot::DeclarationList.new37    declaration_list.overridable38    declaration_list.declare_attribute(declaration1)39    expect(declaration_list.to_a).to eq [declaration1]40    declaration_list.declare_attribute(declaration2)41    expect(declaration_list.to_a).to eq [declaration1, declaration2]42  end43  it "deletes declarations with the same name when overridable" do44    declaration1 = double("declaration", name: "declaration 1")45    declaration2 = double("declaration", name: "declaration 2")46    declaration_with_same_name = double("declaration", name: "declaration 1")47    declaration_list = FactoryBot::DeclarationList.new48    declaration_list.overridable49    declaration_list.declare_attribute(declaration1)50    expect(declaration_list.to_a).to eq [declaration1]51    declaration_list.declare_attribute(declaration2)52    expect(declaration_list.to_a).to eq [declaration1, declaration2]53    declaration_list.declare_attribute(declaration_with_same_name)54    expect(declaration_list.to_a).to eq [declaration2, declaration_with_same_name]55  end56  it "appends declarations with the same name when NOT overridable" do57    declaration1 = double("declaration", name: "declaration 1")58    declaration2 = double("declaration", name: "declaration 2")59    declaration_with_same_name = double("declaration", name: "declaration 1")60    # DeclarationList's `@overridable` attr is set to false by default61    declaration_list = FactoryBot::DeclarationList.new62    declaration_list.declare_attribute(declaration1)63    expect(declaration_list.to_a).to eq [declaration1]64    declaration_list.declare_attribute(declaration2)65    expect(declaration_list.to_a).to eq [declaration1, declaration2]66    declaration_list.declare_attribute(declaration_with_same_name)67    expect(declaration_list.to_a).to eq [declaration1, declaration2, declaration_with_same_name]68  end69end...

declare_attribute

Using AI Code Generation

1FactoryBot.declare_attribute(:user, :name, :string) do2FactoryBot.declare_attribute(:user, :age, :integer) do3FactoryBot.declare_attribute(:user, :email, :string) do

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