Add unit tests for FactoryBot::Syntax::Default

spec/factory_bot/syntax/default_spec.rb

@@ -0,0 +1,79 @@
+describe FactoryBot::Syntax::Default do
+  it "registers a factory via FactoryBot.define" do
+    define_class("SyntaxDefaultUser") { attr_accessor :name }
+
+    FactoryBot.define do
+      factory :syntax_default_user, class: "SyntaxDefaultUser" do
+        name { "Test" }
+      end
+    end
+
+    expect(FactoryBot::Internal.factory_by_name(:syntax_default_user)).to be_a FactoryBot::Factory
+  end
+
+  it "registers a sequence via FactoryBot.define" do
+    FactoryBot.define do
+      sequence(:syntax_default_email) { |n| "user#{n}@example.com" }
+    end
+
+    expect(FactoryBot.generate(:syntax_default_email)).to match(/user\d+@example\.com/)
+  end
+
+  it "registers a global trait via FactoryBot.define" do
+    FactoryBot.define do
+      trait :syntax_default_admin do
+      end
+    end
+
+    expect(FactoryBot::Internal.traits.find(:syntax_default_admin)).to be_a FactoryBot::Trait
+  end
+
+  it "modifies an existing factory via FactoryBot.modify" do
+    define_class("SyntaxModifyUser") { attr_accessor :name }
+    FactoryBot.define do
+      factory :syntax_modify_user, class: "SyntaxModifyUser" do
+        name { "Original" }
+      end
+    end
+
+    FactoryBot.modify do
+      factory :syntax_modify_user do
+        name { "Modified" }
+      end
+    end
+
+    user = FactoryBot.build(:syntax_modify_user)
+    expect(user.name).to eq "Modified"
+  end
+
+  it "handles child factories" do
+    define_class("SyntaxChildUser") { attr_accessor :name, :role }
+    FactoryBot.define do
+      factory :syntax_child_user, class: "SyntaxChildUser" do
+        name { "Test" }
+
+        factory :syntax_child_admin do
+          role { "admin" }
+        end
+      end
+    end
+
+    admin = FactoryBot.build(:syntax_child_admin)
+    expect(admin.name).to eq "Test"
+    expect(admin.role).to eq "admin"
+  end
+
+  it "evaluates blocks in the context of a new DSL instance" do
+    define_class("SyntaxRunUser") { attr_accessor :name }
+    block = proc {
+      factory :syntax_run_user, class: "SyntaxRunUser" do
+        name { "from block" }
+      end
+    }
+
+    FactoryBot::Syntax::Default::DSL.run(block)
+
+    user = FactoryBot.build(:syntax_run_user)
+    expect(user.name).to eq "from block"
+  end
+end