128 lines
3.5 KiB
Ruby
128 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe BlobViewer::MetricsDashboardYml do
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include FakeBlobHelpers
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include RepoHelpers
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let_it_be(:project) { create(:project, :repository) }
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let(:blob) { fake_blob(path: '.gitlab/dashboards/custom-dashboard.yml', data: data) }
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let(:sha) { sample_commit.id }
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subject(:viewer) { described_class.new(blob) }
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context 'when the definition is valid' do
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let(:data) { File.read(Rails.root.join('config/prometheus/common_metrics.yml')) }
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describe '#valid?' do
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it 'calls prepare! on the viewer' do
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allow(PerformanceMonitoring::PrometheusDashboard).to receive(:from_json)
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expect(viewer).to receive(:prepare!)
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viewer.valid?
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end
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it 'returns true', :aggregate_failures do
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yml = ::Gitlab::Config::Loader::Yaml.new(data).load_raw!
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expect_next_instance_of(::Gitlab::Config::Loader::Yaml, data) do |loader|
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expect(loader).to receive(:load_raw!).and_call_original
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end
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expect(PerformanceMonitoring::PrometheusDashboard)
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.to receive(:from_json)
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.with(yml)
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.and_call_original
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expect(viewer.valid?).to be_truthy
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end
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end
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describe '#errors' do
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it 'returns nil' do
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allow(PerformanceMonitoring::PrometheusDashboard).to receive(:from_json)
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expect(viewer.errors).to be nil
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end
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end
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end
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context 'when definition is invalid' do
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let(:error) { ActiveModel::ValidationError.new(PerformanceMonitoring::PrometheusDashboard.new.tap(&:validate)) }
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let(:data) do
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<<~YAML
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dashboard:
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YAML
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end
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describe '#valid?' do
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it 'returns false' do
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expect(PerformanceMonitoring::PrometheusDashboard)
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.to receive(:from_json).and_raise(error)
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expect(viewer.valid?).to be_falsey
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end
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end
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describe '#errors' do
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it 'returns validation errors' do
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allow(PerformanceMonitoring::PrometheusDashboard)
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.to receive(:from_json).and_raise(error)
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expect(viewer.errors).to be error.model.errors
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end
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end
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end
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context 'when YAML syntax is invalid' do
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let(:data) do
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<<~YAML
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dashboard: 'empty metrics'
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panel_groups:
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- group: 'Group Title'
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YAML
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end
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describe '#valid?' do
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it 'returns false' do
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expect(PerformanceMonitoring::PrometheusDashboard).not_to receive(:from_json)
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expect(viewer.valid?).to be_falsey
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end
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end
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describe '#errors' do
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it 'returns validation errors' do
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yaml_wrapped_errors = { 'YAML syntax': ["(<unknown>): did not find expected key while parsing a block mapping at line 1 column 1"] }
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expect(viewer.errors).to be_kind_of ActiveModel::Errors
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expect(viewer.errors.messages).to eql(yaml_wrapped_errors)
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end
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end
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end
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context 'when YAML loader raises error' do
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let(:data) do
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<<~YAML
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large yaml file
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YAML
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end
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before do
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allow(::Gitlab::Config::Loader::Yaml).to receive(:new)
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.and_raise(::Gitlab::Config::Loader::Yaml::DataTooLargeError, 'The parsed YAML is too big')
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end
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it 'is invalid' do
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expect(PerformanceMonitoring::PrometheusDashboard).not_to receive(:from_json)
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expect(viewer.valid?).to be(false)
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end
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it 'returns validation errors' do
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yaml_wrapped_errors = { 'YAML syntax': ["The parsed YAML is too big"] }
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expect(viewer.errors).to be_kind_of(ActiveModel::Errors)
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expect(viewer.errors.messages).to eq(yaml_wrapped_errors)
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end
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end
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end
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