122 lines
3.3 KiB
Ruby
122 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.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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let(:data) { fixture_file('lib/gitlab/metrics/dashboard/sample_dashboard.yml') }
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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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describe '#valid?' do
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before do
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allow(PerformanceMonitoring::PrometheusDashboard).to receive(:from_json)
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end
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it 'calls prepare! on the viewer' do
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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 'processes dashboard yaml and 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 true
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end
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end
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describe '#errors' do
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it 'returns empty array' do
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expect(viewer.errors).to eq []
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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 false
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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 eq error.model.errors.messages.map { |messages| messages.join(': ') }
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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 false
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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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expect(viewer.errors).to eq ["YAML syntax: (<unknown>): did not find expected key while parsing a block mapping at line 1 column 1"]
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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(
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receive(:new).and_raise(::Gitlab::Config::Loader::Yaml::DataTooLargeError, 'The parsed YAML is too big')
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)
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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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expect(viewer.errors).to eq ["YAML syntax: The parsed YAML is too big"]
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end
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end
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end
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