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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Ml::Model, feature_category: :mlops do
let_it_be(:project1) { create(:project) }
let_it_be(:project2) { create(:project) }
let_it_be(:existing_model) { create(:ml_models, name: 'an_existing_model', project: project1) }
let_it_be(:another_existing_model) { create(:ml_models, name: 'an_existing_model', project: project2) }
let_it_be(:valid_name) { 'a_valid_name' }
let_it_be(:default_experiment) { create(:ml_experiments, name: valid_name, project: project1) }
describe 'associations' do
it { is_expected.to belong_to(:project) }
it { is_expected.to have_one(:default_experiment) }
it { is_expected.to have_many(:versions) }
it { is_expected.to have_many(:metadata) }
it { is_expected.to have_one(:latest_version).class_name('Ml::ModelVersion').inverse_of(:model) }
end
describe '#valid?' do
using RSpec::Parameterized::TableSyntax
let(:name) { valid_name }
subject(:errors) do
m = described_class.new(name: name, project: project1, default_experiment: default_experiment)
m.validate
m.errors
end
it 'validates a valid model version' do
expect(errors).to be_empty
end
describe 'name' do
where(:ctx, :name) do
'name is blank' | ''
'name is not valid package name' | '!!()()'
'name is too large' | ('a' * 256)
'name is not unique in the project' | 'an_existing_model'
end
with_them do
it { expect(errors).to include(:name) }
end
end
describe 'default_experiment' do
context 'when experiment name name is different than model name' do
before do
allow(default_experiment).to receive(:name).and_return("#{name}a")
end
it { expect(errors).to include(:default_experiment) }
end
context 'when model version project is different than model project' do
before do
allow(default_experiment).to receive(:project_id).and_return(project1.id + 1)
end
it { expect(errors).to include(:default_experiment) }
end
end
describe 'candidates' do
let_it_be(:candidate1) { create(:ml_model_versions, model: existing_model).candidate }
let_it_be(:candidate2) do
create(:ml_candidates, experiment: existing_model.default_experiment, project: project1)
end
let_it_be(:candidate3) { create(:ml_candidates, project: project1) }
it 'returns only the candidates for default experiment that do not belong to a model version' do
expect(existing_model.candidates).to match_array([candidate2])
end
end
describe '.by_project' do
subject { described_class.by_project(project1) }
it { is_expected.to match_array([existing_model]) }
end
describe '.including_latest_version' do
subject { described_class.including_latest_version }
it 'loads latest version' do
expect(subject.first.association_cached?(:latest_version)).to be(true)
end
end
end
describe '.including_project' do
subject { described_class.including_project }
it 'loads latest version' do
expect(subject.first.association_cached?(:project)).to be(true)
end
end
describe 'with_version_count' do
let(:model) { existing_model }
subject { described_class.with_version_count.find_by(id: model.id).version_count }
context 'when model has versions' do
before do
create(:ml_model_versions, model: model)
end
it { is_expected.to eq(1) }
end
context 'when model has no versions' do
let(:model) { another_existing_model }
it { is_expected.to eq(0) }
end
end
describe '#by_project_and_id' do
let(:id) { existing_model.id }
let(:project_id) { existing_model.project.id }
subject { described_class.by_project_id_and_id(project_id, id) }
context 'if exists' do
it { is_expected.to eq(existing_model) }
end
context 'if id has no match' do
let(:id) { non_existing_record_id }
it { is_expected.to be(nil) }
end
context 'if project id does not match' do
let(:project_id) { non_existing_record_id }
it { is_expected.to be(nil) }
end
end
describe '#all_packages' do
it 'returns an empty array when no model versions exist' do
expect(existing_model.all_packages).to eq([])
end
it 'returns one package when a single model version exists' do
version = create(:ml_model_versions, :with_package, model: existing_model)
all_packages = existing_model.all_packages
expect(all_packages.length).to be(1)
expect(all_packages.first).to eq(version.package)
end
it 'returns multiple packages when multiple model versions exist' do
version1 = create(:ml_model_versions, :with_package, model: existing_model)
version2 = create(:ml_model_versions, :with_package, model: existing_model)
all_packages = existing_model.all_packages
expect(all_packages.length).to be(2)
expect(all_packages).to match_array([version1.package, version2.package])
end
end
end
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