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# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::Metrics::Dashboard::Stages::PanelIdsInserter do
let(:project) { build_stubbed(:project) }
def fetch_panel_ids(dashboard_hash)
dashboard_hash[:panel_groups].flat_map { |group| group[:panels].flat_map { |panel| panel[:id] } }
end
describe '#transform!' do
subject(:transform!) { described_class.new(project, dashboard, nil).transform! }
let(:dashboard) { YAML.safe_load(fixture_file('lib/gitlab/metrics/dashboard/sample_dashboard.yml')).deep_symbolize_keys }
context 'when dashboard panels are present' do
it 'assigns unique ids to each panel using PerformanceMonitoring::PrometheusPanel', :aggregate_failures do
dashboard.fetch(:panel_groups).each do |group|
group.fetch(:panels).each do |panel|
panel_double = instance_double(::PerformanceMonitoring::PrometheusPanel)
expect(::PerformanceMonitoring::PrometheusPanel).to receive(:new).with(panel).and_return(panel_double)
expect(panel_double).to receive(:id).with(group[:group]).and_return(FFaker::Lorem.unique.characters(125))
end
end
transform!
expect(fetch_panel_ids(dashboard)).not_to include nil
end
end
context 'when dashboard panels has duplicated ids' do
it 'no panel has assigned id' do
panel_double = instance_double(::PerformanceMonitoring::PrometheusPanel)
allow(::PerformanceMonitoring::PrometheusPanel).to receive(:new).and_return(panel_double)
allow(panel_double).to receive(:id).and_return('duplicated id')
transform!
expect(fetch_panel_ids(dashboard)).to all be_nil
expect(fetch_panel_ids(dashboard)).not_to include 'duplicated id'
end
end
context 'when there are no panels in the dashboard' do
it 'raises a processing error' do
dashboard[:panel_groups][0].delete(:panels)
expect { transform! }.to(
raise_error(::Gitlab::Metrics::Dashboard::Errors::DashboardProcessingError)
)
end
end
context 'when there are no panel_groups in the dashboard' do
it 'raises a processing error' do
dashboard.delete(:panel_groups)
expect { transform! }.to(
raise_error(::Gitlab::Metrics::Dashboard::Errors::DashboardProcessingError)
)
end
end
context 'when dashboard panels has unknown schema attributes' do
before do
error = ActiveModel::UnknownAttributeError.new(double, 'unknown_panel_attribute')
allow(::PerformanceMonitoring::PrometheusPanel).to receive(:new).and_raise(error)
end
it 'no panel has assigned id' do
transform!
expect(fetch_panel_ids(dashboard)).to all be_nil
end
it 'logs the failure' do
expect(Gitlab::ErrorTracking).to receive(:log_exception)
transform!
end
end
end
end
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