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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Ml::Candidate, factory_default: :keep, feature_category: :mlops do
let_it_be(:candidate) { create(:ml_candidates, :with_metrics_and_params, name: 'candidate0') }
let_it_be(:candidate2) do
create(:ml_candidates, experiment: candidate.experiment, user: create(:user), name: 'candidate2')
end
let_it_be(:candidate_artifact) do
FactoryBot.create(:generic_package,
name: candidate.package_name,
version: candidate.package_version,
project: candidate.project)
end
let(:project) { candidate.experiment.project }
describe 'associations' do
it { is_expected.to belong_to(:experiment) }
it { is_expected.to belong_to(:user) }
it { is_expected.to have_many(:params) }
it { is_expected.to have_many(:metrics) }
it { is_expected.to have_many(:metadata) }
end
describe 'default values' do
it { expect(described_class.new.iid).to be_present }
end
describe '.artifact_root' do
subject { candidate.artifact_root }
it { is_expected.to eq("/ml_candidate_#{candidate.id}/-/") }
end
describe '.package_name' do
subject { candidate.package_name }
it { is_expected.to eq("ml_candidate_#{candidate.id}") }
end
describe '.package_version' do
subject { candidate.package_version }
it { is_expected.to eq('-') }
end
describe '.artifact' do
let(:tested_candidate) { candidate }
subject { tested_candidate.artifact }
before do
candidate_artifact
end
context 'when has logged artifacts' do
it 'returns the package' do
expect(subject.name).to eq(tested_candidate.package_name)
end
end
context 'when does not have logged artifacts' do
let(:tested_candidate) { candidate2 }
it { is_expected.to be_nil }
end
end
describe '.artifact_lazy' do
context 'when candidates have same the same iid' do
before do
BatchLoader::Executor.clear_current
end
it 'loads the correct artifacts', :aggregate_failures do
candidate.artifact_lazy
candidate2.artifact_lazy
expect(Packages::Package).to receive(:joins).once.and_call_original # Only one database call
expect(candidate.artifact.name).to eq(candidate.package_name)
expect(candidate2.artifact).to be_nil
end
end
end
describe '#by_project_id_and_iid' do
let(:project_id) { candidate.experiment.project_id }
let(:iid) { candidate.iid }
subject { described_class.with_project_id_and_iid(project_id, iid) }
context 'when iid exists', 'and belongs to project' do
it { is_expected.to eq(candidate) }
end
context 'when iid exists', 'and does not belong to project' do
let(:project_id) { non_existing_record_id }
it { is_expected.to be_nil }
end
context 'when iid does not exist' do
let(:iid) { 'a' }
it { is_expected.to be_nil }
end
end
describe "#latest_metrics" do
let_it_be(:candidate3) { create(:ml_candidates, experiment: candidate.experiment) }
let_it_be(:metric1) { create(:ml_candidate_metrics, candidate: candidate3) }
let_it_be(:metric2) { create(:ml_candidate_metrics, candidate: candidate3 ) }
let_it_be(:metric3) { create(:ml_candidate_metrics, name: metric1.name, candidate: candidate3) }
subject { candidate3.latest_metrics }
it 'fetches only the last metric for the name' do
expect(subject).to match_array([metric2, metric3] )
end
end
describe "#including_relationships" do
subject { described_class.including_relationships.find_by(id: candidate.id) }
it 'loads latest metrics and params', :aggregate_failures do
expect(subject.association_cached?(:latest_metrics)).to be(true)
expect(subject.association_cached?(:params)).to be(true)
expect(subject.association_cached?(:user)).to be(true)
end
end
describe '#by_name' do
let(:name) { candidate.name }
subject { described_class.by_name(name) }
context 'when name matches' do
it 'gets the correct candidates' do
expect(subject).to match_array([candidate])
end
end
context 'when name matches partially' do
let(:name) { 'andidate' }
it 'gets the correct candidates' do
expect(subject).to match_array([candidate, candidate2])
end
end
context 'when name does not match' do
let(:name) { non_existing_record_id.to_s }
it 'does not fetch any candidate' do
expect(subject).to match_array([])
end
end
end
describe '#order_by_metric' do
let_it_be(:auc_metrics) do
create(:ml_candidate_metrics, name: 'auc', value: 0.4, candidate: candidate)
create(:ml_candidate_metrics, name: 'auc', value: 0.8, candidate: candidate2)
end
let(:direction) { 'desc' }
subject { described_class.order_by_metric('auc', direction) }
it 'orders correctly' do
expect(subject).to eq([candidate2, candidate])
end
context 'when direction is asc' do
let(:direction) { 'asc' }
it 'orders correctly' do
expect(subject).to eq([candidate, candidate2])
end
end
end
end
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