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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Metrics::Dashboard::PanelPreviewService do
let_it_be(:project) { create(:project) }
let_it_be(:environment) { create(:environment, project: project) }
let_it_be(:panel_yml) do
<<~YML
---
title: test panel
YML
end
let_it_be(:dashboard) do
{
panel_groups: [
{
panels: [{ 'title' => 'test panel' }]
}
]
}
end
describe '#execute' do
subject(:service_response) { described_class.new(project, panel_yml, environment).execute }
context "valid panel's yaml" do
before do
allow_next_instance_of(::Gitlab::Metrics::Dashboard::Processor) do |processor|
allow(processor).to receive(:process).and_return(dashboard)
end
end
it 'returns success service response' do
expect(service_response.success?).to be_truthy
end
it 'returns processed panel' do
expect(service_response.payload).to eq('title' => 'test panel')
end
it 'uses dashboard processor' do
sequence = [
::Gitlab::Metrics::Dashboard::Stages::CommonMetricsInserter,
::Gitlab::Metrics::Dashboard::Stages::MetricEndpointInserter,
::Gitlab::Metrics::Dashboard::Stages::PanelIdsInserter,
::Gitlab::Metrics::Dashboard::Stages::AlertsInserter,
::Gitlab::Metrics::Dashboard::Stages::UrlValidator
]
processor_params = [project, dashboard, sequence, environment: environment]
expect_next_instance_of(::Gitlab::Metrics::Dashboard::Processor, *processor_params) do |processor|
expect(processor).to receive(:process).and_return(dashboard)
end
service_response
end
end
context "invalid panel's yaml" do
[
Gitlab::Metrics::Dashboard::Errors::DashboardProcessingError,
Gitlab::Config::Loader::Yaml::NotHashError,
Gitlab::Config::Loader::Yaml::DataTooLargeError,
Gitlab::Config::Loader::FormatError
].each do |error_class|
before do
allow_next_instance_of(::Gitlab::Metrics::Dashboard::Processor) do |processor|
allow(processor).to receive(:process).and_raise(error_class.new('error'))
end
end
it 'returns error service response' do
expect(service_response.error?).to be_truthy
end
it 'returns error message' do
expect(service_response.message).to eq('error')
end
end
end
end
end
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