debian-mirror-gitlab/spec/models/design_management/design_at_version_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
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RSpec.describe DesignManagement::DesignAtVersion do
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include DesignManagementTestHelpers
let_it_be(:issue, reload: true) { create(:issue) }
let_it_be(:issue_b, reload: true) { create(:issue) }
let_it_be(:design, reload: true) { create(:design, issue: issue) }
let_it_be(:version) { create(:design_version, designs: [design]) }
describe '#id' do
subject { described_class.new(design: design, version: version) }
it 'combines design.id and version.id' do
expect(subject.id).to include(design.id.to_s, version.id.to_s)
end
end
describe '#==' do
it 'identifies objects created with the same parameters as equal' do
design = build_stubbed(:design, issue: issue)
version = build_stubbed(:design_version, designs: [design], issue: issue)
this = build_stubbed(:design_at_version, design: design, version: version)
other = build_stubbed(:design_at_version, design: design, version: version)
expect(this).to eq(other)
expect(other).to eq(this)
end
it 'identifies unequal objects as unequal, by virtue of their version' do
design = build_stubbed(:design, issue: issue)
version_a = build_stubbed(:design_version, designs: [design])
version_b = build_stubbed(:design_version, designs: [design])
this = build_stubbed(:design_at_version, design: design, version: version_a)
other = build_stubbed(:design_at_version, design: design, version: version_b)
expect(this).not_to eq(nil)
expect(this).not_to eq(design)
expect(this).not_to eq(other)
expect(other).not_to eq(this)
end
it 'identifies unequal objects as unequal, by virtue of their design' do
design_a = build_stubbed(:design, issue: issue)
design_b = build_stubbed(:design, issue: issue)
version = build_stubbed(:design_version, designs: [design_a, design_b])
this = build_stubbed(:design_at_version, design: design_a, version: version)
other = build_stubbed(:design_at_version, design: design_b, version: version)
expect(this).not_to eq(other)
expect(other).not_to eq(this)
end
it 'rejects objects with the same id and the wrong class' do
dav = build_stubbed(:design_at_version)
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expect(dav).not_to eq(double('id', id: dav.id))
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end
it 'expects objects to be of the same type, not subtypes' do
subtype = Class.new(described_class)
dav = build_stubbed(:design_at_version)
other = subtype.new(design: dav.design, version: dav.version)
expect(dav).not_to eq(other)
end
end
describe 'status methods' do
let!(:design_a) { create(:design, issue: issue) }
let!(:design_b) { create(:design, issue: issue) }
let!(:version_a) do
create(:design_version, designs: [design_a])
end
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let!(:version_b) do
create(:design_version, designs: [design_b])
end
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let!(:version_mod) do
create(:design_version, modified_designs: [design_a, design_b])
end
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let!(:version_c) do
create(:design_version, deleted_designs: [design_a])
end
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let!(:version_d) do
create(:design_version, deleted_designs: [design_b])
end
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let!(:version_e) do
create(:design_version, designs: [design_a])
end
describe 'a design before it has been created' do
subject { build(:design_at_version, design: design_b, version: version_a) }
it 'is not deleted' do
expect(subject).not_to be_deleted
end
it 'has the status :not_created_yet' do
expect(subject).to have_attributes(status: :not_created_yet)
end
end
describe 'a design as of its creation' do
subject { build(:design_at_version, design: design_a, version: version_a) }
it 'is not deleted' do
expect(subject).not_to be_deleted
end
it 'has the status :current' do
expect(subject).to have_attributes(status: :current)
end
end
describe 'a design after it has been created, but before deletion' do
subject { build(:design_at_version, design: design_b, version: version_c) }
it 'is not deleted' do
expect(subject).not_to be_deleted
end
it 'has the status :current' do
expect(subject).to have_attributes(status: :current)
end
end
describe 'a design as of its modification' do
subject { build(:design_at_version, design: design_a, version: version_mod) }
it 'is not deleted' do
expect(subject).not_to be_deleted
end
it 'has the status :current' do
expect(subject).to have_attributes(status: :current)
end
end
describe 'a design as of its deletion' do
subject { build(:design_at_version, design: design_a, version: version_c) }
it 'is deleted' do
expect(subject).to be_deleted
end
it 'has the status :deleted' do
expect(subject).to have_attributes(status: :deleted)
end
end
describe 'a design after its deletion' do
subject { build(:design_at_version, design: design_b, version: version_e) }
it 'is deleted' do
expect(subject).to be_deleted
end
it 'has the status :deleted' do
expect(subject).to have_attributes(status: :deleted)
end
end
describe 'a design on its recreation' do
subject { build(:design_at_version, design: design_a, version: version_e) }
it 'is not deleted' do
expect(subject).not_to be_deleted
end
it 'has the status :current' do
expect(subject).to have_attributes(status: :current)
end
end
end
describe 'validations' do
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subject(:design_at_version) { build_stubbed(:design_at_version) }
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it { is_expected.to be_valid }
describe 'a design-at-version without a design' do
subject { described_class.new(design: nil, version: build(:design_version)) }
it { is_expected.to be_invalid }
it 'mentions the design in the errors' do
subject.valid?
expect(subject.errors[:design]).to be_present
end
end
describe 'a design-at-version without a version' do
subject { described_class.new(design: build(:design), version: nil) }
it { is_expected.to be_invalid }
it 'mentions the version in the errors' do
subject.valid?
expect(subject.errors[:version]).to be_present
end
end
describe 'design_and_version_belong_to_the_same_issue' do
context 'both design and version are supplied' do
subject(:design_at_version) { build(:design_at_version, design: design, version: version) }
context 'the design belongs to the same issue as the version' do
it { is_expected.to be_valid }
end
context 'the design does not belong to the same issue as the version' do
let(:design) { create(:design) }
let(:version) { create(:design_version) }
it { is_expected.to be_invalid }
end
end
context 'the factory is just supplied with a design' do
let(:design) { create(:design) }
subject(:design_at_version) { build(:design_at_version, design: design) }
it { is_expected.to be_valid }
end
context 'the factory is just supplied with a version' do
let(:version) { create(:design_version) }
subject(:design_at_version) { build(:design_at_version, version: version) }
it { is_expected.to be_valid }
end
end
describe 'design_and_version_have_issue_id' do
subject(:design_at_version) { build(:design_at_version, design: design, version: version) }
context 'the design has no issue_id, because it is being imported' do
let(:design) { create(:design, :importing) }
it { is_expected.to be_invalid }
end
context 'the version has no issue_id, because it is being imported' do
let(:version) { create(:design_version, :importing) }
it { is_expected.to be_invalid }
end
context 'both the design and the version are being imported' do
let(:version) { create(:design_version, :importing) }
let(:design) { create(:design, :importing) }
it { is_expected.to be_invalid }
end
end
end
def id_of(design, version)
build(:design_at_version, design: design, version: version).id
end
describe '.lazy_find' do
let!(:version_a) do
create(:design_version, designs: create_list(:design, 3, issue: issue))
end
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let!(:version_b) do
create(:design_version, designs: create_list(:design, 1, issue: issue))
end
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let!(:version_c) do
create(:design_version, designs: create_list(:design, 1, issue: issue_b))
end
let(:id_a) { id_of(version_a.designs.first, version_a) }
let(:id_b) { id_of(version_a.designs.second, version_a) }
let(:id_c) { id_of(version_a.designs.last, version_a) }
let(:id_d) { id_of(version_b.designs.first, version_b) }
let(:id_e) { id_of(version_c.designs.first, version_c) }
let(:bad_id) { id_of(version_c.designs.first, version_a) }
def find(the_id)
described_class.lazy_find(the_id)
end
let(:db_calls) { 2 }
it 'issues fewer queries than the naive approach would' do
expect do
dav_a = find(id_a)
dav_b = find(id_b)
dav_c = find(id_c)
dav_d = find(id_d)
dav_e = find(id_e)
should_not_exist = find(bad_id)
expect(dav_a.version).to eq(version_a)
expect(dav_b.version).to eq(version_a)
expect(dav_c.version).to eq(version_a)
expect(dav_d.version).to eq(version_b)
expect(dav_e.version).to eq(version_c)
expect(should_not_exist).not_to be_present
expect(version_a.designs).to include(dav_a.design, dav_b.design, dav_c.design)
expect(version_b.designs).to include(dav_d.design)
expect(version_c.designs).to include(dav_e.design)
end.not_to exceed_query_limit(db_calls)
end
end
describe '.find' do
let(:results) { described_class.find(ids) }
# 2 versions, with 5 total designs on issue A, so 2*5 = 10
let!(:version_a) do
create(:design_version, designs: create_list(:design, 3, issue: issue))
end
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let!(:version_b) do
create(:design_version, designs: create_list(:design, 2, issue: issue))
end
# 1 version, with 3 designs on issue B, so 1*3 = 3
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let!(:version_c) do
create(:design_version, designs: create_list(:design, 3, issue: issue_b))
end
context 'invalid ids' do
let(:ids) do
version_b.designs.map { |d| id_of(d, version_c) }
end
describe '#count' do
it 'counts 0 records' do
expect(results.count).to eq(0)
end
end
describe '#empty?' do
it 'is empty' do
expect(results).to be_empty
end
end
describe '#to_a' do
it 'finds no records' do
expect(results.to_a).to eq([])
end
end
end
context 'valid ids' do
let(:red_herrings) { issue_b.designs.sample(2).map { |d| id_of(d, version_a) } }
let(:ids) do
a_ids = issue.designs.sample(2).map { |d| id_of(d, version_a) }
b_ids = issue.designs.sample(2).map { |d| id_of(d, version_b) }
c_ids = issue_b.designs.sample(2).map { |d| id_of(d, version_c) }
a_ids + b_ids + c_ids + red_herrings
end
before do
ids.size # force IDs
end
describe '#count' do
it 'counts 2 records' do
expect(results.count).to eq(6)
end
it 'issues at most two queries' do
expect { results.count }.not_to exceed_query_limit(2)
end
end
describe '#to_a' do
it 'finds 6 records' do
expect(results.size).to eq(6)
expect(results).to all(be_a(described_class))
end
it 'only returns records with matching IDs' do
expect(results.map(&:id)).to match_array(ids - red_herrings)
end
it 'only returns valid records' do
expect(results).to all(be_valid)
end
it 'issues at most two queries' do
expect { results.to_a }.not_to exceed_query_limit(2)
end
end
end
end
end