Refactor files structure (#20)

add tests and fix #2

lib/github_check_run_service.rb

@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+class GithubCheckRunService
+  CHECK_NAME = 'Rubocop'
+
+  def initialize(report, github_data, report_adapter)
+    @report = report
+    @github_data = github_data
+    @report_adapter = report_adapter
+    @client = GithubClient.new(@github_data[:token], user_agent: 'rubocop-action')
+  end
+
+  def run
+    id = @client.post(
+      endpoint_url,
+      create_check_payload
+    )['id']
+    @summary = @report_adapter.summary(@report)
+    @annotations = @report_adapter.annotations(@report)
+    @conclusion = @report_adapter.conslusion(@report)
+
+    @client.patch(
+      "#{endpoint_url}/#{id}",
+      update_check_payload
+    )
+  end
+
+  private
+
+  def endpoint_url
+    "/repos/#{@github_data[:owner]}/#{@github_data[:repo]}/check-runs"
+  end
+
+  def create_check_payload
+    {
+      name: CHECK_NAME,
+      head_sha: @github_data[:sha],
+      status: 'in_progress',
+      started_at: Time.now.iso8601
+    }
+  end
+
+  def update_check_payload
+    {
+      name: CHECK_NAME,
+      head_sha: @github_data[:sha],
+      status: 'completed',
+      completed_at: Time.now.iso8601,
+      conclusion: @conclusion,
+      output: {
+        title: CHECK_NAME,
+        summary: @summary,
+        annotations: @annotations
+      }
+    }
+  end
+
+end

lib/github_client.rb

@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+class GithubClient
+  def initialize(github_token, user_agent: 'ruby')
+    @github_token = github_token
+    @user_agent = user_agent
+  end
+
+  def patch(url, body = {})
+    request_http do |http|
+      http.patch(url, body.to_json, headers)
+    end
+  end
+
+  def post(url, body = {})
+    request_http do |http|
+      http.post(url, body.to_json, headers)
+    end
+  end
+
+  private
+
+  def headers
+    @headers ||= {
+      "Content-Type": 'application/json',
+      "Accept": 'application/vnd.github.antiope-preview+json',
+      "Authorization": "Bearer #{@github_token}",
+      "User-Agent": @user_agent
+    }
+  end
+
+  def request_http
+    http = Net::HTTP.new('api.github.com', 443)
+    http.use_ssl = true
+    response = yield(http)
+    raise "#{response.message}: #{response.body}" if response.code.to_i >= 300
+
+    JSON.parse(response.body)
+  end
+end

lib/index.rb

@@ -1,134 +1,29 @@
+# frozen_string_literal: true
+
 require 'net/http'
 require 'json'
 require 'time'
+require_relative './report_adapter'
+require_relative './github_check_run_service'
+require_relative './github_client'
 
-@GITHUB_SHA = ENV["GITHUB_SHA"]
-@GITHUB_EVENT_PATH = ENV["GITHUB_EVENT_PATH"]
-@GITHUB_TOKEN = ENV["GITHUB_TOKEN"]
-@GITHUB_WORKSPACE = ENV["GITHUB_WORKSPACE"]
+def read_json(path)
+  JSON.parse(File.read(path))
+end
 
-@event = JSON.parse(File.read(ENV["GITHUB_EVENT_PATH"]))
-@repository = @event["repository"]
-@owner = @repository["owner"]["login"]
-@repo = @repository["name"]
-@conclusion = "success"
-@check_name = "Rubocop"
-@headers = {
-  "Content-Type": 'application/json',
-  "Accept": 'application/vnd.github.antiope-preview+json',
-  "Authorization": "Bearer #{@GITHUB_TOKEN}",
-  "User-Agent": 'rubocop-action'
+@event_json = read_json(ENV['GITHUB_EVENT_PATH']) if ENV['GITHUB_EVENT_PATH']
+@github_data = {
+  sha: ENV['GITHUB_SHA'],
+  token: ENV['GITHUB_TOKEN'],
+  owner: ENV['GITHUB_REPOSITORY_OWNER'] || @event_json.dig('repository', 'owner', 'login'),
+  repo: ENV['GITHUB_REPOSITORY_NAME'] || @event_json.dig('repository', 'name')
 }
 
-def create_check
-  body = {
-    "name" => @check_name,
-    "head_sha" => @GITHUB_SHA,
-    "status" => "in_progress",
-    "started_at" => Time.now.iso8601
-  }
-
-  http = Net::HTTP.new('api.github.com', 443)
-  http.use_ssl = true
-  path = "/repos/#{@owner}/#{@repo}/check-runs"
-
-  resp = http.post(path, body.to_json, @headers)
-
-  if resp.code.to_i >= 300
-    raise resp.message
+@report =
+  if ENV['REPORT_PATH']
+    read_json(ENV['REPORT_PATH'])
+  else
+    Dir.chdir(ENV['GITHUB_WORKSPACE']) { JSON.parse(`rubocop -f json`) }
   end
 
-  data = JSON.parse(resp.body)
-  return data["id"]
-end
-
-def update_check(id, conclusion, output)
-  body = {
-    "name" => @check_name,
-    "completed_at" => Time.now.iso8601,
-    "conclusion" => conclusion,
-    "output" => output
-  }
-
-  http = Net::HTTP.new('api.github.com', 443)
-  http.use_ssl = true
-  path = "/repos/#{@owner}/#{@repo}/check-runs/#{id}"
-  resp = http.patch(path, body.to_json, @headers)
-
-  if resp.code.to_i >= 300
-    raise resp.message
-  end
-end
-
-@annotation_levels = {
-  "refactor" => 'failure',
-  "convention" => 'failure',
-  "warning" => 'warning',
-  "error" => 'failure',
-  "fatal" => 'failure'
-}
-
-def run_rubocop
-  annotations = annotation_messages
-
-  output = {
-    "title": @check_name,
-    "summary": "#{annotations.size} offense(s) found",
-    "annotations" => annotations
-  }
-
-  return { "output" => output, "conclusion" => @conclusion }
-end
-
-def annotation_messages
-  errors = nil
-  count = 0
-  annotation_list = []
-
-  Dir.chdir(@GITHUB_WORKSPACE) {
-    errors = JSON.parse(`rubocop --format json`)
-  }
-
-  errors["files"].each do |file|
-    path = file["path"]
-    offenses = file["offenses"]
-
-    offenses.each do |offense|
-      severity = offense["severity"]
-      message = offense["message"]
-      location = offense["location"]
-      annotation_level = @annotation_levels[severity]
-      count = count + 1
-
-      return annotation_list if count == 48
-
-      if annotation_level == "failure"
-        @conclusion = "failure"
-      end
-
-      annotation_list.push({
-                        "path" => path,
-                        "start_line" => location["start_line"],
-                        "end_line" => location["start_line"],
-                        "annotation_level": annotation_level,
-                        "message" => message
-                      })
-    end
-  end
-  return annotation_list
-end
-
-def run
-  id = create_check()
-  begin
-    results = run_rubocop()
-    conclusion = results["conclusion"]
-    output = results["output"]
-    update_check(id, conclusion, output)
-  rescue
-    update_check(id, "failure", nil)
-    fail
-  end
-end
-
-run()
+GithubCheckRunService.new(@report, @github_data, ReportAdapter).run

lib/report_adapter.rb

@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+class ReportAdapter
+  class << self
+    CONCLUSION_TYPES = { failure: 'failure', success: 'success' }.freeze
+    ANNOTATION_LEVELS = {
+      'refactor' => 'failure',
+      'convention' => 'failure',
+      'warning' => 'warning',
+      'error' => 'failure',
+      'fatal' => 'failure'
+    }.freeze
+
+    def conslusion(report)
+      return CONCLUSION_TYPES[:failure] if total_offenses(report).positive?
+
+      CONCLUSION_TYPES[:success]
+    end
+
+    def summary(report)
+      "#{total_offenses(report)} offense(s) found"
+    end
+
+    def annotations(report)
+      annotation_list = []
+      count = 0
+      report['files'].each do |file|
+        file['offenses'].each do |offense|
+          count += 1
+          return annotation_list if count == 48
+
+          location = offense['location']
+          annotation_list.push({
+            'path' => file['path'],
+            'start_line' => location['start_line'],
+            'end_line' => location['last_line'],
+            'annotation_level' => annotation_level(offense['severity']),
+            'message' => offense['message']
+          })
+        end
+      end
+    end
+
+    private
+
+    def annotation_level(severity)
+      ANNOTATION_LEVELS[severity]
+    end
+
+    def total_offenses(report)
+      report.dig('summary', 'offense_count')
+    end
+  end
+end

spec/github_check_run_service_spec.rb

@@ -0,0 +1,18 @@
+require './spec/spec_helper'
+
+describe GithubCheckRunService do
+  let(:rubocop_report) { JSON(File.read('./spec/fixtures/report.json')) }
+  let(:github_data) { { sha: 'sha', token: 'token', owner: 'owner', repo: 'repository_name' } }
+  let(:service) { GithubCheckRunService.new(rubocop_report, github_data, ReportAdapter) }
+
+  it '#run' do
+    stub_request(:any, 'https://api.github.com/repos/owner/repository_name/check-runs/id')
+      .to_return(status: 200, body: '{}')
+
+    stub_request(:any, 'https://api.github.com/repos/owner/repository_name/check-runs')
+      .to_return(status: 200, body: '{"id": "id"}')
+
+    output = service.run
+    expect(output).to be_a(Hash)
+  end
+end

spec/report_adapter_spec.rb

@@ -0,0 +1,30 @@
+require './spec/spec_helper'
+
+describe ReportAdapter do
+  let(:rubocop_report) {
+    JSON(File.read('./spec/fixtures/report.json'))
+  }
+
+  let(:adapter) { ReportAdapter }
+
+  it '.conslusion' do
+    result = adapter.conslusion(rubocop_report)
+    expect(result).to eq('failure')
+  end
+
+  it '.summary' do
+    result = adapter.summary(rubocop_report)
+    expect(result).to eq('201 offense(s) found')
+  end
+
+  it '.annotations' do
+    result = adapter.annotations(rubocop_report)
+    expect(result.first).to eq({
+      'path' => 'Gemfile',
+      'start_line' => 1,
+      'end_line' => 1,
+      'annotation_level' => 'failure',
+      'message' => 'Missing magic comment `# frozen_string_literal: true`.'
+    })
+  end
+end

spec/spec_helper.rb

@@ -0,0 +1,6 @@
+require 'webmock/rspec'
+require 'json'
+require 'pry'
+require './lib/report_adapter'
+require './lib/github_check_run_service'
+require './lib/github_client'