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|
shared_examples "a sequence" do |options|
first_value = options[:first_value]
second_value = options[:second_value]
it "has a next value equal to its first value" do
expect(subject.next).to eq first_value
end
it "has a next value equal to the 2nd value after being incremented" do
subject.next
expect(subject.next).to eq second_value
end
it "has a next value equal to the 1st value after rewinding" do
subject.next
subject.rewind
expect(subject.next).to eq first_value
end
end
describe FactoryBot::Sequence do
describe ".find" do
before(:each) do
define_class("User") { attr_accessor :name }
FactoryBot.define do
factory :user do
trait :with_email do
sequence(:email) { |n| "user_#{n}@example.com" }
end
end
end
end
it "accepts a list of symbols" do
expect(described_class.find(:user, :with_email, :email)).to be_truthy
end
it "accepts a list of strings" do
expect(described_class.find("user", "with_email", "email")).to be_truthy
end
it "accepts a mixture of symbols & strings" do
expect(described_class.find(:user, "with_email", :email)).to be_truthy
end
it "returns nil with a non-matching URI" do
expect(described_class.find(:user, :email)).to be_nil
end
it "raises an exception with no arguments given" do
expect { described_class.find }
.to raise_error ArgumentError, /wrong number of arguments, expected 1\+/
end
end
describe ".find_by_uri" do
before(:each) do
define_class("User") { attr_accessor :name }
FactoryBot.define do
factory :user do
trait :with_email do
sequence(:email) { |n| "user_#{n}@example.com" }
end
end
end
end
it "accepts a String" do
expect(described_class.find_by_uri("user/with_email/email")).to be_truthy
end
it "accepts a Symbol" do
expect(described_class.find_by_uri(:"user/with_email/email")).to be_truthy
end
it "returns nil with a non-matching URI" do
expect(described_class.find_by_uri("user/email")).to be_nil
end
it "raises an exception with no arguments given" do
expect { described_class.find_by_uri }
.to raise_error ArgumentError, /wrong number of arguments \(given 0, expected 1\)/
end
end
describe "a basic sequence" do
let(:name) { :test }
subject { FactoryBot::Sequence.new(name) { |n| "=#{n}" } }
its(:name) { should eq name }
its(:names) { should eq [name] }
it_behaves_like "a sequence", first_value: "=1", second_value: "=2"
end
describe "a custom sequence" do
subject { FactoryBot::Sequence.new(:name, "A") { |n| "=#{n}" } }
it_behaves_like "a sequence", first_value: "=A", second_value: "=B"
end
describe "a sequence with aliases using default value" do
subject do
FactoryBot::Sequence.new(:test, aliases: [:alias, :other]) do |n|
"=#{n}"
end
end
it "has the expected names as its names" do
names = [:foo, :bar, :baz]
sequence = FactoryBot::Sequence.new(names.first, aliases: names.last(2)) {
"=#{n}"
}
expect(sequence.names).to eq names
end
it_behaves_like "a sequence", first_value: "=1", second_value: "=2"
end
describe "a sequence with custom value and aliases" do
subject do
FactoryBot::Sequence.new(:test, 3, aliases: [:alias, :other]) do |n|
"=#{n}"
end
end
it "has the expected names as its names" do
names = [:foo, :bar, :baz]
sequence = FactoryBot::Sequence.new(names.first, 3, aliases: names.last(2)) {
"=#{n}"
}
expect(sequence.names).to eq names
end
it_behaves_like "a sequence", first_value: "=3", second_value: "=4"
end
describe "a basic sequence without a block" do
subject { FactoryBot::Sequence.new(:name) }
it_behaves_like "a sequence", first_value: 1, second_value: 2
end
describe "a custom sequence without a block" do
subject { FactoryBot::Sequence.new(:name, "A") }
it_behaves_like "a sequence", first_value: "A", second_value: "B"
end
describe "a sequence with lazy initial value and a block" do
subject do
FactoryBot::Sequence.new(:test, proc { "J" }) do |n|
"=#{n}"
end
end
it_behaves_like "a sequence", first_value: "=J", second_value: "=K"
end
describe "a sequence with a lazy initial value without a block" do
subject do
FactoryBot::Sequence.new(:test, proc { 3 })
end
it_behaves_like "a sequence", first_value: 3, second_value: 4
end
describe "iterating over items in an enumerator" do
subject do
FactoryBot::Sequence.new(:name, %w[foo bar].to_enum) { |n| "=#{n}" }
end
it "navigates to the next items until no items remain" do
sequence = FactoryBot::Sequence.new(:name, %w[foo bar].to_enum) { |n| "=#{n}" }
expect(sequence.next).to eq "=foo"
expect(sequence.next).to eq "=bar"
expect { sequence.next }.to raise_error(StopIteration)
end
it_behaves_like "a sequence", first_value: "=foo", second_value: "=bar"
end
it "a custom sequence and scope increments within the correct scope" do
sequence = FactoryBot::Sequence.new(:name, "A") { |n| "=#{n}#{foo}" }
scope = double("scope", foo: "attribute")
expect(sequence.next(scope)).to eq "=Aattribute"
end
it "a custom lazy sequence and scope increments within the correct scope" do
sequence = FactoryBot::Sequence.new(:name, proc { "A" }) { |n| "=#{n}#{foo}" }
scope = double("scope", foo: "attribute")
expect(sequence.next(scope)).to eq "=Aattribute"
expect(sequence.next(scope)).to eq "=Battribute"
end
it "a custom sequence and scope increments within the correct scope when incrementing" do
sequence = FactoryBot::Sequence.new(:name, "A") { |n| "=#{n}#{foo}" }
scope = double("scope", foo: "attribute")
sequence.next(scope)
expect(sequence.next(scope)).to eq "=Battribute"
end
it "a custom lazy sequence and scope increments within the correct scope when incrementing" do
sequence = FactoryBot::Sequence.new(:name, proc { "A" }) { |n| "=#{n}#{foo}" }
scope = double("scope", foo: "attribute")
sequence.next(scope)
expect(sequence.next(scope)).to eq "=Battribute"
end
it "a custom scope increments within the correct scope after rewinding" do
sequence = FactoryBot::Sequence.new(:name, "A") { |n| "=#{n}#{foo}" }
scope = double("scope", foo: "attribute")
sequence.next(scope)
sequence.rewind
expect(sequence.next(scope)).to eq "=Aattribute"
end
it "a custom scope with a lazy sequence increments within the correct scope after rewinding" do
sequence = FactoryBot::Sequence.new(:name, proc { "A" }) { |n| "=#{n}#{foo}" }
scope = double("scope", foo: "attribute")
sequence.next(scope)
sequence.rewind
expect(sequence.next(scope)).to eq "=Aattribute"
end
end
|
