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require 'spec_helper'
describe "create multiple instances" do
before do
define_model('Post', title: :string, position: :integer)
FactoryGirl.define do
factory(:post) do |post|
post.title "Through the Looking Glass"
post.position { rand(10**4) }
end
end
end
context "without default attributes" do
subject { FactoryGirl.create_list(:post, 20) }
its(:length) { should eq 20 }
it "creates all the posts" do
subject.each do |record|
expect(record).not_to be_new_record
end
end
it "uses the default factory values" do
subject.each do |record|
expect(record.title).to eq "Through the Looking Glass"
end
end
end
context "with default attributes" do
subject { FactoryGirl.create_list(:post, 20, title: "The Hunting of the Snark") }
it "overrides the default values" do
subject.each do |record|
expect(record.title).to eq "The Hunting of the Snark"
end
end
end
context "with a block" do
subject do
FactoryGirl.create_list(:post, 20, title: "The Listing of the Block") do |post|
post.position = post.id
end
end
it "uses the new values" do
subject.each_with_index do |record, index|
expect(record.position).to eq record.id
end
end
end
context "without the count" do
subject { FactoryGirl.create_list(:post, title: "The Hunting of the Bear") }
it "raise ArgumentError with the proper error message" do
expect { subject }.to raise_error(ArgumentError, /count missing/)
end
end
end
describe "multiple creates and transient attributes to dynamically build attribute lists" do
before do
define_model('User', name: :string) do
has_many :posts
end
define_model('Post', title: :string, user_id: :integer) do
belongs_to :user
end
FactoryGirl.define do
factory :post do
title "Through the Looking Glass"
user
end
factory :user do
name "John Doe"
factory :user_with_posts do
transient do
posts_count 5
end
after(:create) do |user, evaluator|
FactoryGirl.create_list(:post, evaluator.posts_count, user: user)
end
end
end
end
end
it "generates the correct number of posts" do
expect(FactoryGirl.create(:user_with_posts).posts.length).to eq 5
end
it "allows the number of posts to be modified" do
expect(FactoryGirl.create(:user_with_posts, posts_count: 2).posts.length).to eq 2
end
end