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Diffstat (limited to 'spec/models/performance_monitoring/prometheus_panel_spec.rb')
-rw-r--r-- | spec/models/performance_monitoring/prometheus_panel_spec.rb | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/spec/models/performance_monitoring/prometheus_panel_spec.rb b/spec/models/performance_monitoring/prometheus_panel_spec.rb new file mode 100644 index 00000000000..f5e04ec91e2 --- /dev/null +++ b/spec/models/performance_monitoring/prometheus_panel_spec.rb @@ -0,0 +1,77 @@ +# frozen_string_literal: true + +require 'spec_helper' + +describe PerformanceMonitoring::PrometheusPanel do + let(:json_content) do + { + "max_value" => 1, + "type" => "area-chart", + "title" => "Chart Title", + "y_label" => "Y-Axis", + "weight" => 1, + "metrics" => [{ + "id" => "metric_of_ages", + "unit" => "count", + "label" => "Metric of Ages", + "query_range" => "http_requests_total" + }] + } + end + + describe '#new' do + it 'accepts old schema format' do + expect { described_class.new(json_content) }.not_to raise_error + end + + it 'accepts new schema format' do + expect { described_class.new(json_content.merge("y_axis" => { "precision" => 0 })) }.not_to raise_error + end + end + + describe '.from_json' do + subject { described_class.from_json(json_content) } + + it 'creates a PrometheusPanelGroup object' do + expect(subject).to be_a PerformanceMonitoring::PrometheusPanel + expect(subject.type).to eq(json_content['type']) + expect(subject.title).to eq(json_content['title']) + expect(subject.y_label).to eq(json_content['y_label']) + expect(subject.weight).to eq(json_content['weight']) + expect(subject.metrics).to all(be_a PerformanceMonitoring::PrometheusMetric) + end + + describe 'validations' do + context 'when title is missing' do + before do + json_content['title'] = nil + end + + subject { described_class.from_json(json_content) } + + it { expect { subject }.to raise_error(ActiveModel::ValidationError) } + end + + context 'when metrics are missing' do + before do + json_content['metrics'] = [] + end + + subject { described_class.from_json(json_content) } + + it { expect { subject }.to raise_error(ActiveModel::ValidationError) } + end + end + end + + describe '.id' do + it 'returns hexdigest of group_title, type and title as the panel id' do + group_title = 'Business Group' + panel_type = 'area-chart' + panel_title = 'New feature requests made' + + expect(Digest::SHA2).to receive(:hexdigest).with("#{group_title}#{panel_type}#{panel_title}").and_return('hexdigest') + expect(described_class.new(title: panel_title, type: panel_type).id(group_title)).to eql 'hexdigest' + end + end +end |