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|
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe PrometheusMetricsFinder do
describe '#execute' do
let(:finder) { described_class.new(params) }
let(:params) { {} }
subject { finder.execute }
context 'with params' do
let_it_be(:project) { create(:project) }
let_it_be(:project_metric) { create(:prometheus_metric, project: project) }
let_it_be(:common_metric) { create(:prometheus_metric, :common) }
let_it_be(:unique_metric) do
create(
:prometheus_metric,
:common,
title: 'Unique title',
y_label: 'Unique y_label',
group: :kubernetes,
identifier: 'identifier',
created_at: 5.minutes.ago
)
end
context 'with appropriate indexes' do
before do
allow_any_instance_of(described_class).to receive(:appropriate_index?).and_return(true)
end
context 'with project' do
let(:params) { { project: project } }
it { is_expected.to eq([project_metric]) }
end
context 'with group' do
let(:params) { { group: project_metric.group } }
it { is_expected.to contain_exactly(common_metric, project_metric) }
end
context 'with title' do
let(:params) { { title: project_metric.title } }
it { is_expected.to contain_exactly(project_metric, common_metric) }
end
context 'with y_label' do
let(:params) { { y_label: project_metric.y_label } }
it { is_expected.to contain_exactly(project_metric, common_metric) }
end
context 'with common' do
let(:params) { { common: true } }
it { is_expected.to contain_exactly(common_metric, unique_metric) }
end
context 'with ordered' do
let(:params) { { ordered: true } }
it { is_expected.to eq([unique_metric, project_metric, common_metric]) }
end
context 'with indentifier' do
let(:params) { { identifier: unique_metric.identifier } }
it 'raises an error' do
expect { subject }.to raise_error(
ArgumentError,
':identifier must be scoped to a :project or :common'
)
end
context 'with common' do
let(:params) { { identifier: unique_metric.identifier, common: true } }
it { is_expected.to contain_exactly(unique_metric) }
end
context 'with id' do
let(:params) { { id: 14, identifier: 'string' } }
it 'raises an error' do
expect { subject }.to raise_error(
ArgumentError,
'Only one of :identifier, :id is permitted'
)
end
end
end
context 'with id' do
let(:params) { { id: common_metric.id } }
it { is_expected.to contain_exactly(common_metric) }
end
context 'with multiple params' do
let(:params) do
{
group: project_metric.group,
title: project_metric.title,
y_label: project_metric.y_label,
common: true,
ordered: true
}
end
it { is_expected.to contain_exactly(common_metric) }
end
end
context 'without an appropriate index' do
let(:params) do
{
title: project_metric.title,
ordered: true
}
end
it 'raises an error' do
expect { subject }.to raise_error(
ArgumentError,
'An index should exist for params: [:title]'
)
end
end
end
context 'without params' do
it 'raises an error' do
expect { subject }.to raise_error(
ArgumentError,
'Please provide one or more of: [:project, :group, :title, :y_label, :identifier, :id, :common, :ordered]'
)
end
end
end
end
|
