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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Ml::Candidate, factory_default: :keep do
let_it_be(:candidate) { create(:ml_candidates, :with_metrics_and_params) }
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.iid}/-/") }
end
describe '.package_name' do
subject { candidate.package_name }
it { is_expected.to eq("ml_candidate_#{candidate.iid}") }
end
describe '.package_version' do
subject { candidate.package_version }
it { is_expected.to eq('-') }
end
describe '.artifact' do
subject { candidate.artifact }
context 'when has logged artifacts' do
let(:package) do
create(:generic_package, name: candidate.package_name, version: candidate.package_version, project: project)
end
it 'returns the package' do
package
is_expected.to eq(package)
end
end
context 'when does not have logged artifacts' do
let(:tested_candidate) { create(:ml_candidates, :with_metrics_and_params) }
it { is_expected.to be_nil }
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(:candidate2) { create(:ml_candidates, experiment: candidate.experiment) }
let!(:metric1) { create(:ml_candidate_metrics, candidate: candidate2) }
let!(:metric2) { create(:ml_candidate_metrics, candidate: candidate2 ) }
let!(:metric3) { create(:ml_candidate_metrics, name: metric1.name, candidate: candidate2) }
subject { candidate2.latest_metrics }
it 'fetches only the last metric for the name' do
expect(subject).to match_array([metric2, metric3] )
end
end
describe "#including_metrics_and_params" do
subject { described_class.including_metrics_and_params.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)
end
end
end
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