paper-trail-gem--paper_trail/spec/models/document_spec.rb

require "spec_helper"

RSpec.describe Document, type: :model, versioning: true do
  describe "have_a_version_with matcher" do
    it "works with custom versions association" do
      document = Document.create!(name: "Foo")
      document.update_attributes!(name: "Bar")
      expect(document).to have_a_version_with(name: "Foo")
    end
  end

  describe "have_a_version_with_changes matcher" do
    it "works with custom versions association" do
      document = Document.create!(name: "Foo")
      document.update_attributes!(name: "Bar")
      allow(ActiveSupport::Deprecation).to receive(:warn)
      expect(document).to have_a_version_with_changes(name: "Bar")
      expect(ActiveSupport::Deprecation).to have_received(:warn).
        once.with(/^where_object_changes/)
    end
  end

  describe "#paper_trail.next_version" do
    it "returns the expected document" do
      doc = Document.create
      doc.update_attributes(name: "Doc 1")
      reified = doc.paper_trail_versions.last.reify
      expect(doc.name).to(eq(reified.paper_trail.next_version.name))
    end
  end

  describe "#paper_trail.previous_version" do
    it "returns the expected document" do
      doc = Document.create
      doc.update_attributes(name: "Doc 1")
      doc.update_attributes(name: "Doc 2")
      expect(doc.paper_trail_versions.length).to(eq(3))
      expect(doc.paper_trail.previous_version.name).to(eq("Doc 1"))
    end
  end

  describe "#paper_trail_versions" do
    it "returns the expected version records" do
      doc = Document.create
      doc.update_attributes(name: "Doc 1")
      expect(doc.paper_trail_versions.length).to(eq(2))
      expect(doc.paper_trail_versions.map(&:event)).to(
        match_array(%w[create update])
      )
    end
  end

  describe "#versions" do
    it "does not respond to versions method" do
      doc = Document.create
      doc.update_attributes(name: "Doc 1")
      expect(doc).not_to respond_to(:versions)
    end
  end
end