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# frozen_string_literal: true
require 'rspec'
require 'spec_helper'
require 'mime/types'
RSpec.describe Projects::Ml::ExperimentsHelper, feature_category: :mlops do
let_it_be(:project) { create(:project, :private) }
let_it_be(:experiment) { create(:ml_experiments, user_id: project.creator, project: project) }
let_it_be(:candidate0) do
create(:ml_candidates, :with_artifact, experiment: experiment, user: project.creator).tap do |c|
c.params.build([{ 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').tap do |c|
c.params.build([{ name: 'param2', value: 'p3' }, { name: 'param3', value: 'p4' }])
c.metrics.create!(name: 'metric3', value: 0.4)
end
end
let_it_be(:candidates) { [candidate0, candidate1] }
describe '#candidates_table_items' do
subject { Gitlab::Json.parse(helper.candidates_table_items(candidates)) }
it 'creates the correct model for the table', :aggregate_failures do
expected_values = [
{ 'param1' => 'p1', 'param2' => 'p2', 'metric1' => '0.1000', 'metric2' => '0.2000', 'metric3' => '0.3000',
'artifact' => "/#{project.full_path}/-/packages/#{candidate0.artifact.id}",
'details' => "/#{project.full_path}/-/ml/candidates/#{candidate0.iid}",
'name' => candidate0.name,
'created_at' => candidate0.created_at.strftime('%Y-%m-%dT%H:%M:%S.%LZ'),
'user' => { 'username' => candidate0.user.username, 'path' => "/#{candidate0.user.username}" } },
{ 'param2' => 'p3', 'param3' => 'p4', 'metric3' => '0.4000',
'artifact' => nil, 'details' => "/#{project.full_path}/-/ml/candidates/#{candidate1.iid}",
'name' => candidate1.name,
'created_at' => candidate1.created_at.strftime('%Y-%m-%dT%H:%M:%S.%LZ'),
'user' => { 'username' => candidate1.user.username, 'path' => "/#{candidate1.user.username}" } }
]
subject.sort_by! { |s| s[:name] }
expect(subject[0]).to eq(expected_values[0])
expect(subject[1]).to eq(expected_values[1])
end
context 'when candidate does not have user' do
let(:candidates) { [candidate0] }
before do
allow(candidate0).to receive(:user).and_return(nil)
end
it 'has the user property, but is nil' do
expect(subject[0]['user']).to be_nil
end
end
end
describe '#unique_logged_names' do
context 'when for params' do
subject { Gitlab::Json.parse(helper.unique_logged_names(candidates, &:params)) }
it { is_expected.to match_array(%w[param1 param2 param3]) }
end
context 'when latest_metrics is passed' do
subject { Gitlab::Json.parse(helper.unique_logged_names(candidates, &:latest_metrics)) }
it { is_expected.to match_array(%w[metric1 metric2 metric3]) }
end
end
describe '#show_candidate_view_model' do
let(:candidate) { candidate0 }
subject { Gitlab::Json.parse(helper.show_candidate_view_model(candidate))['candidate'] }
it 'generates the correct params' do
expect(subject['params']).to include(
hash_including('name' => 'param1', 'value' => 'p1'),
hash_including('name' => 'param2', 'value' => 'p2')
)
end
it 'generates the correct metrics' do
expect(subject['metrics']).to include(
hash_including('name' => 'metric1', 'value' => 0.1),
hash_including('name' => 'metric2', 'value' => 0.2),
hash_including('name' => 'metric3', 'value' => 0.3)
)
end
it 'generates the correct info' do
expected_info = {
'iid' => candidate.iid,
'path_to_artifact' => "/#{project.full_path}/-/packages/#{candidate.artifact.id}",
'experiment_name' => candidate.experiment.name,
'path_to_experiment' => "/#{project.full_path}/-/ml/experiments/#{experiment.iid}",
'status' => 'running'
}
expect(subject['info']).to include(expected_info)
end
end
describe '#experiments_as_data' do
let(:experiments) { [experiment] }
subject { Gitlab::Json.parse(helper.experiments_as_data(project, experiments)) }
before do
allow(experiment).to receive(:candidate_count).and_return(2)
end
it 'generates the correct info' do
expected_info = {
"name" => experiment.name,
"path" => "/#{project.full_path}/-/ml/experiments/#{experiment.iid}",
"candidate_count" => 2
}
expect(subject[0]).to eq(expected_info)
end
end
describe '#page_info' do
def paginator(cursor = nil)
experiment.candidates.keyset_paginate(cursor: cursor, per_page: 1)
end
let_it_be(:first_page) { paginator }
let_it_be(:second_page) { paginator(first_page.cursor_for_next_page) }
let(:page) { nil }
subject { helper.page_info(page) }
context 'when is first page' do
let(:page) { first_page }
it 'generates the correct page_info' do
is_expected.to include({
has_next_page: true,
has_previous_page: false,
start_cursor: nil
})
end
end
context 'when is last page' do
let(:page) { second_page }
it 'generates the correct page_info' do
is_expected.to include({
has_next_page: false,
has_previous_page: true,
start_cursor: second_page.cursor_for_previous_page,
end_cursor: nil
})
end
end
end
describe '#formatted_page_info' do
it 'formats to json' do
expect(helper.formatted_page_info({ a: 1, b: 'c' })).to eq("{\"a\":1,\"b\":\"c\"}")
end
end
end
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