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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe ::Ml::CandidatesCsvPresenter, feature_category: :mlops do
# rubocop:disable RSpec/FactoryBot/AvoidCreate
let_it_be(:project) { create(:project, :repository) }
let_it_be(:experiment) { create(:ml_experiments, user_id: project.creator, project: project) }
let_it_be(:candidate0) do
create(:ml_candidates, experiment: experiment, user: project.creator,
project: project, start_time: 1234, end_time: 5678).tap do |c|
c.params.create!([{ name: 'param1', value: 'p1' }, { name: 'param2', value: 'p2' }])
c.metrics.create!(
[{ name: 'metric1', value: 0.1 }, { name: 'metric2', value: 0.2 }, { name: 'metric3', value: 0.3 }]
)
end
end
let_it_be(:candidate1) do
create(:ml_candidates, experiment: experiment, user: project.creator, name: 'candidate1',
project: project, start_time: 1111, end_time: 2222).tap do |c|
c.params.create([{ name: 'param2', value: 'p3' }, { name: 'param3', value: 'p4' }])
c.metrics.create!(name: 'metric3', value: 0.4)
end
end
# rubocop:enable RSpec/FactoryBot/AvoidCreate
describe '.present' do
subject { described_class.new(::Ml::Candidate.where(id: [candidate0.id, candidate1.id])).present }
it 'generates header row correctly' do
expected_header = %w[project_id experiment_iid candidate_iid name external_id start_time end_time param1 param2
param3 metric1 metric2 metric3].join(',')
header = subject.split("\n")[0]
expect(header).to eq(expected_header)
end
it 'generates the first row correctly' do
expected_row = [
candidate0.project_id,
1, # experiment.iid
1, # candidate0.internal_id
'', # candidate0 has no name, column is empty
candidate0.eid,
candidate0.start_time,
candidate0.end_time,
candidate0.params[0].value,
candidate0.params[1].value,
'', # candidate0 has no param3, column is empty
candidate0.metrics[0].value,
candidate0.metrics[1].value,
candidate0.metrics[2].value
].map(&:to_s)
row = subject.split("\n")[1].split(",")
expect(row).to match_array(expected_row)
end
it 'generates the second row correctly' do
expected_row = [
candidate1.project_id,
1, # experiment.iid
2, # candidate1.internal_id
'candidate1',
candidate1.eid,
candidate1.start_time,
candidate1.end_time,
'', # candidate1 has no param1, column is empty
candidate1.params[0].value,
candidate1.params[1].value,
'', # candidate1 has no metric1, column is empty
'', # candidate1 has no metric2, column is empty
candidate1.metrics[0].value
].map(&:to_s)
row = subject.split("\n")[2].split(",")
expect(row).to match_array(expected_row)
end
end
end
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