openfoodnetwork/spec/models/model_set_spec.rb

require 'spec_helper'

describe ModelSet do
  describe "updating" do
    it "creates new models" do
      attrs = { collection_attributes: { '1' => { name: 's1' },
                                         '2' => { name: 's2' } } }

      ms = ModelSet.new(EnterpriseRelationshipPermission, EnterpriseRelationshipPermission.all, attrs)

      expect { ms.save }.to change(EnterpriseRelationshipPermission, :count).by(2)

      expect(EnterpriseRelationshipPermission.where(name: ['s1', 's2']).count).to eq(2)
    end

    it "updates existing models" do
      e1 = create(:enterprise_group)
      e2 = create(:enterprise_group)

      attrs = { collection_attributes: { '1' => { id: e1.id, name: 'e1zz', description: 'foo' },
                                         '2' => { id: e2.id, name: 'e2yy', description: 'bar' } } }

      ms = ModelSet.new(EnterpriseGroup, EnterpriseGroup.all, attrs)

      expect { ms.save }.to change(EnterpriseGroup, :count).by(0)

      expect(EnterpriseGroup.where(name: ['e1zz', 'e2yy']).count).to eq(2)
    end

    it "destroys deleted models" do
      e1 = create(:enterprise)
      e2 = create(:enterprise)

      attrs = { collection_attributes: { '1' => { id: e1.id, name: 'deleteme' },
                                         '2' => { id: e2.id, name: 'e2' } } }

      ms = ModelSet.new(Enterprise, Enterprise.all, attrs, nil,
                        proc { |attrs| attrs['name'] == 'deleteme' })

      expect { ms.save }.to change(Enterprise, :count).by(-1)

      expect(Enterprise.where(id: e1.id)).to be_empty
      expect(Enterprise.where(id: e2.id)).to be_present
    end

    it "ignores deletable new records" do
      attrs = { collection_attributes: { '1' => { name: 'deleteme' } } }

      ms = ModelSet.new(Enterprise, Enterprise.all, attrs, nil,
                        proc { |attrs| attrs['name'] == 'deleteme' })

      expect { ms.save }.to change(Enterprise, :count).by(0)
    end
  end
end