86 lines
2.5 KiB
Ruby
86 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe PerformanceMonitoring::PrometheusPanel do
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let(:json_content) do
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{
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"max_value" => 1,
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"type" => "area-chart",
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"title" => "Chart Title",
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"y_label" => "Y-Axis",
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"weight" => 1,
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"metrics" => [{
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"id" => "metric_of_ages",
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"unit" => "count",
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"label" => "Metric of Ages",
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"query_range" => "http_requests_total"
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}]
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}
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end
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describe '#new' do
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it 'accepts old schema format' do
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expect { described_class.new(json_content) }.not_to raise_error
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end
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it 'accepts new schema format' do
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expect { described_class.new(json_content.merge("y_axis" => { "precision" => 0 })) }.not_to raise_error
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end
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end
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describe '.from_json' do
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subject { described_class.from_json(json_content) }
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it 'creates a PrometheusPanelGroup object' do
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expect(subject).to be_a PerformanceMonitoring::PrometheusPanel
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expect(subject.type).to eq(json_content['type'])
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expect(subject.title).to eq(json_content['title'])
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expect(subject.y_label).to eq(json_content['y_label'])
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expect(subject.weight).to eq(json_content['weight'])
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expect(subject.metrics).to all(be_a PerformanceMonitoring::PrometheusMetric)
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end
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describe 'validations' do
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context 'json_content is not a hash' do
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let(:json_content) { nil }
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subject { described_class.from_json(json_content) }
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it { expect { subject }.to raise_error(ActiveModel::ValidationError) }
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end
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context 'when title is missing' do
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before do
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json_content['title'] = nil
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end
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subject { described_class.from_json(json_content) }
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it { expect { subject }.to raise_error(ActiveModel::ValidationError) }
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end
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context 'when metrics are missing' do
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before do
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json_content.delete('metrics')
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end
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subject { described_class.from_json(json_content) }
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it { expect { subject }.to raise_error(ActiveModel::ValidationError) }
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end
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end
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end
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describe '.id' do
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it 'returns hexdigest of group_title, type and title as the panel id' do
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group_title = 'Business Group'
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panel_type = 'area-chart'
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panel_title = 'New feature requests made'
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expect(Digest::SHA2).to receive(:hexdigest).with("#{group_title}#{panel_type}#{panel_title}").and_return('hexdigest')
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expect(described_class.new(title: panel_title, type: panel_type).id(group_title)).to eql 'hexdigest'
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end
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end
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end
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