add unlighthouse scan after staging

.github/workflows/scan_unlighthouse.yml

@@ -0,0 +1,39 @@
+name: Unlighthouse reports
+
+on:
+  workflow_dispatch:
+
+jobs:
+  generate-unlighthouse-report:
+    runs-on: ubuntu-latest
+    if: github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.merged == true
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.3.5
+          bundler-cache: true
+
+      - name: Set up Unlighthouse Scan
+        run: npm install -g @unlighthouse/cli puppeteer
+
+      - name: Unlighthouse Assertions and Client
+        run: unlighthouse-ci --site http://51.44.25.104/en --build-static --output-path .unlighthouse/dist
+
+      - name: Convert JSON to CSV
+        run: |
+            ruby -e "require './lib/convert_json_to_csv_service'; ConvertJsonToCsvService.call('.unlighthouse/dist/ci-result.json', '.unlighthouse/ci-result.csv')"
+
+      - name: Upload Unlighthouse Report
+        uses: actions/upload-artifact@v4
+        with:
+          name: unlighthouse-report
+          path: .unlighthouse/dist/**
+
+      - name: Upload CSV Report
+        uses: actions/upload-artifact@v4
+        with:
+          name: csv-report
+          path: .unlighthouse/ci-result.csv

app/services/convert_json_to_csv_service.rb

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+class ConvertJsonToCsvService
+  def self.call(input_file, output_file)
+    new(input_file, output_file).call
+  end
+
+  def initialize(input_file, output_file)
+    @input_file  = input_file
+    @output_file = output_file
+  end
+
+  def call
+    json_data = JSON.parse(File.read(@input_file))
+
+    CSV.open(@output_file, "w", write_headers: true, headers: json_data.first.keys) do |csv|
+      json_data.each { |row| csv << row.values }
+    end
+    @output_file
+  end
+end

spec/fixtures/files/output.csv

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+path,score,performance,accessibility,best-practices,seo
+/en,0.78,0.64,0.86,0.79,0.83
+/en/about-us,0.78,0.63,0.77,0.79,0.92

spec/fixtures/files/unlighthouse_report.json

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+[
+  {
+    "path": "/en",
+    "score": 0.78,
+    "performance": 0.64,
+    "accessibility": 0.86,
+    "best-practices": 0.79,
+    "seo": 0.83
+  },
+  {
+    "path": "/en/about-us",
+    "score": 0.78,
+    "performance": 0.63,
+    "accessibility": 0.77,
+    "best-practices": 0.79,
+    "seo": 0.92
+  }
+]

spec/services/convert_json_to_csv_service_spec.rb

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+require "rails_helper"
+
+RSpec.describe ConvertJsonToCsvService do
+  let(:input_file) { "spec/fixtures/files/unlighthouse_report.json" }
+  let(:output_file) { "spec/fixtures/files/output.csv" }
+  let(:csv_content) { CSV.read(output_file, headers: true) }
+
+  describe ".call" do
+    context "when initializing and calling an instance" do
+      let(:service_instance) { instance_double(ConvertJsonToCsvService) }
+
+      before do
+        allow(ConvertJsonToCsvService).to receive(:new).with(input_file, output_file).and_return(service_instance)
+        allow(service_instance).to receive(:call).and_return(output_file)
+      end
+
+      it "initializes and calls the instance with the provided arguments" do
+        result = ConvertJsonToCsvService.call(input_file, output_file)
+
+        expect(ConvertJsonToCsvService).to have_received(:new).with(input_file, output_file)
+        expect(service_instance).to have_received(:call)
+        expect(result).to eq(output_file)
+      end
+    end
+
+    context "when creating a CSV file" do
+      it "creates a csv file with correct data" do
+        result = ConvertJsonToCsvService.call(input_file, output_file)
+
+        expect(result).to eq(output_file)
+        expect(File.exist?(output_file)).to be_truthy
+        expect(csv_content.headers).to eq(["path", "score", "performance", "accessibility", "best-practices", "seo"])
+        expect(csv_content[0]["path"]).to eq("/en")
+        expect(csv_content[0]["score"]).to eq("0.78")
+        expect(csv_content[0]["performance"]).to eq("0.64")
+        expect(csv_content[0]["accessibility"]).to eq("0.86")
+        expect(csv_content[0]["best-practices"]).to eq("0.79")
+        expect(csv_content[0]["seo"]).to eq("0.83")
+      end
+    end
+  end
+end