require 'rails_helper' RSpec.describe Tag, type: :model do subject(:tag) { create(:tag) } describe '.tag_add' do it 'touches the target object' do expect { described_class.tag_add(object: 'Ticket', item: 'foo', o_id: Ticket.first.id, created_by_id: 1) } .to change { Ticket.first.updated_at } end context 'when a Tag::Object does not exist for the given class' do it 'creates it and assigns it to a new Tag' do expect { described_class.tag_add(object: 'Foo', item: 'bar', o_id: 1, created_by_id: 1) } .to change(described_class, :count).by(1) .and change { Tag::Object.exists?(name: 'Foo') }.to(true) .and change { described_class.last&.tag_object&.name }.to('Foo') end end context 'when a Tag::Object already exists for the given class' do let!(:tag_object) { Tag::Object.find_or_create_by(name: 'Ticket') } it 'assigns it to a new Tag' do expect { described_class.tag_add(object: 'Ticket', item: 'foo', o_id: 1, created_by_id: 1) } .to change(described_class, :count).by(1) .and not_change(Tag::Object, :count) .and change { described_class.last&.tag_object&.name }.to('Ticket') end end context 'when a Tag::Item does not exist with the given name' do it 'creates it and assigns it to a new Tag' do expect { described_class.tag_add(object: 'Ticket', item: 'foo', o_id: 1, created_by_id: 1) } .to change(described_class, :count).by(1) .and change { Tag::Item.exists?(name: 'foo') }.to(true) .and change { described_class.last&.tag_item&.name }.to('foo') end it 'strips trailing/leading whitespace' do expect { described_class.tag_add(object: 'Ticket', item: ' foo ', o_id: 1, created_by_id: 1) } .to change(described_class, :count).by(1) .and change { Tag::Item.exists?(name: 'foo') }.to(true) .and change { described_class.last&.tag_item&.name }.to('foo') end context 'and the name contains 8-bit Unicode characters' do it 'creates it and assigns it to a new Tag' do expect { described_class.tag_add(object: 'Ticket', item: 'fooöäüß', o_id: 1, created_by_id: 1) } .to change(described_class, :count).by(1) .and change { Tag::Item.exists?(name: 'fooöäüß') }.to(true) .and change { described_class.last&.tag_item&.name }.to('fooöäüß') end end context 'but the name is a case-sensitive variant of an existing Tag::Item' do let!(:tag_item) { create(:'tag/item', name: 'foo') } it 'creates it and assigns it to a new Tag' do expect { described_class.tag_add(object: 'Ticket', item: 'FOO', o_id: 1, created_by_id: 1) } .to change(described_class, :count).by(1) .and change { Tag::Item.pluck(:name).include?('FOO') }.to(true) # .exists?(name: 'FOO') fails on MySQL .and change { described_class.last&.tag_item&.name }.to('FOO') end end end context 'when a Tag::Item already exists with the given name' do let!(:tag_item) { create(:'tag/item', name: 'foo') } it 'assigns it to a new Tag' do expect { described_class.tag_add(object: 'Ticket', item: 'foo', o_id: 1, created_by_id: 1) } .to change(described_class, :count).by(1) .and not_change(Tag::Item, :count) .and change { described_class.last&.tag_item&.name }.to('foo') end it 'strips leading/trailing whitespace' do expect { described_class.tag_add(object: 'Ticket', item: ' foo ', o_id: 1, created_by_id: 1) } .to change(described_class, :count).by(1) .and not_change(Tag::Item, :count) .and change { described_class.last&.tag_item&.name }.to('foo') end end context 'when a Tag already exists for the specified record with the given name' do let!(:tag) { create(:tag, o: Ticket.first, tag_item: tag_item) } let(:tag_item) { create(:'tag/item', name: 'foo') } it 'does not create any records' do expect { described_class.tag_add(object: 'Ticket', item: 'foo', o_id: Ticket.first.id, created_by_id: 1) } .to not_change(described_class, :count) .and not_change(Tag::Item, :count) end end end describe '.tag_remove' do it 'touches the target object' do expect { described_class.tag_remove(object: 'Ticket', item: 'foo', o_id: Ticket.first.id, created_by_id: 1) } .to change { Ticket.first.updated_at } end context 'when a matching Tag exists' do let!(:tag) { create(:tag, o: Ticket.first, tag_item: tag_item) } let(:tag_item) { create(:'tag/item', name: 'foo') } it 'destroys the Tag' do expect { described_class.tag_remove(object: 'Ticket', o_id: Ticket.first.id, item: 'foo') } .to change(described_class, :count).by(-1) end end context 'when no matching Tag exists' do it 'makes no changes' do expect { described_class.tag_remove(object: 'Ticket', o_id: Ticket.first.id, item: 'foo') } .not_to change(described_class, :count) end end end describe '.tag_list' do context 'with ASCII item names' do before { items.map { |i| create(:tag, tag_item: i, o: Ticket.first) } } let(:items) do [ create(:'tag/item', name: 'foo'), create(:'tag/item', name: 'bar'), create(:'tag/item', name: 'BAR'), ] end it 'returns all tag names (case-sensitive) for a given record' do expect(described_class.tag_list(object: 'Ticket', o_id: Ticket.first.id)) .to match_array(%w[foo bar BAR]) end end context 'with Unicode (8-bit) item names' do before { items.map { |i| create(:tag, tag_item: i, o: Ticket.first) } } let(:items) do [ create(:'tag/item', name: 'fooöäüß'), create(:'tag/item', name: 'baröäüß'), create(:'tag/item', name: 'BARöäüß'), ] end it 'returns all tag names (case-sensitive) for a given record' do expect(described_class.tag_list(object: 'Ticket', o_id: Ticket.first.id)) .to match_array(%w[fooöäüß baröäüß BARöäüß]) end end end end