[WIP] Set code coverage

Gemfile

@@ -1,4 +1,23 @@
 source 'https://rubygems.org'
 
 gem 'cocoapods', '1.6.0.beta.1'
-gem 'fastlane'
+gem 'xcpretty'
+
+# Danger
+group :test, :danger do
+  gem 'slather'
+  gem 'circleci_artifact'
+  gem 'xcov'
+  gem 'fastlane'
+end
+
+group :danger do
+  gem 'danger'
+  gem 'danger-swiftlint'
+  gem 'danger-xcov'
+  gem 'danger-junit'
+end
+
+plugins_path = File.join(File.dirname(__FILE__), 'fastlane', 'Pluginfile')
+eval_gemfile(plugins_path) if File.exist?(plugins_path)
+

Gemfile.lock

@@ -11,7 +11,15 @@ GEM
       public_suffix (>= 2.0.2, < 4.0)
     atomos (0.1.3)
     babosa (1.0.2)
+    circleci (2.0.2)
+    circleci_artifact (0.1.0)
+      circleci (~> 2.0)
     claide (1.0.2)
+    claide-plugins (0.9.2)
+      cork
+      nap
+      open4 (~> 1.3)
+    clamp (0.6.5)
     cocoapods (1.6.0.beta.1)
       activesupport (>= 4.0.2, < 5)
       claide (>= 1.0.2, < 2.0)
@@ -50,6 +58,30 @@ GEM
     commander-fastlane (4.4.6)
       highline (~> 1.7.2)
     concurrent-ruby (1.0.5)
+    cork (0.3.0)
+      colored2 (~> 3.1)
+    danger (5.7.0)
+      claide (~> 1.0)
+      claide-plugins (>= 0.9.2)
+      colored2 (~> 3.1)
+      cork (~> 0.1)
+      faraday (~> 0.9)
+      faraday-http-cache (~> 1.0)
+      git (~> 1.5)
+      kramdown (~> 1.5)
+      no_proxy_fix
+      octokit (~> 4.7)
+      terminal-table (~> 1)
+    danger-junit (0.7.4)
+      danger (> 2.0)
+      ox (~> 2.0)
+    danger-swiftlint (0.17.4)
+      danger
+      rake (> 10)
+      thor (~> 0.19)
+    danger-xcov (0.4.1)
+      danger (>= 2.1)
+      xcov (>= 1.1.2)
     declarative (0.0.10)
     declarative-option (0.1.0)
     domain_name (0.5.20180417)
@@ -63,6 +95,8 @@ GEM
     faraday-cookie_jar (0.0.6)
       faraday (>= 0.7.4)
       http-cookie (~> 1.0.0)
+    faraday-http-cache (1.3.1)
+      faraday (~> 0.8)
     faraday_middleware (0.12.2)
       faraday (>= 0.7.4, < 1.0)
     fastimage (2.1.4)
@@ -105,6 +139,7 @@ GEM
     fourflusher (2.0.1)
     fuzzy_match (2.0.4)
     gh_inspector (1.1.3)
+    git (1.5.0)
     google-api-client (0.23.9)
       addressable (~> 2.5, >= 2.5.1)
       googleauth (>= 0.5, < 0.7.0)
@@ -128,11 +163,13 @@ GEM
       concurrent-ruby (~> 1.0)
     json (2.1.0)
     jwt (2.1.0)
+    kramdown (1.17.0)
     memoist (0.16.0)
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
     mini_magick (4.5.1)
+    mini_portile2 (2.3.0)
     minitest (5.11.3)
     molinillo (0.6.6)
     multi_json (1.13.1)
@@ -142,9 +179,17 @@ GEM
     nap (1.1.0)
     naturally (2.2.0)
     netrc (0.11.0)
+    no_proxy_fix (0.1.2)
+    nokogiri (1.8.5)
+      mini_portile2 (~> 2.3.0)
+    octokit (4.13.0)
+      sawyer (~> 0.8.0, >= 0.5.3)
+    open4 (1.3.4)
     os (1.0.0)
+    ox (2.10.0)
     plist (3.4.0)
     public_suffix (2.0.5)
+    rake (12.3.1)
     representable (3.0.4)
       declarative (< 0.1.0)
       declarative-option (< 0.2.0)
@@ -153,6 +198,9 @@ GEM
     rouge (2.0.7)
     ruby-macho (1.2.0)
     rubyzip (1.2.2)
+    sawyer (0.8.1)
+      addressable (>= 2.3.5, < 2.6)
+      faraday (~> 0.8, < 1.0)
     security (0.1.3)
     signet (0.9.2)
       addressable (~> 2.3)
@@ -163,9 +211,15 @@ GEM
       CFPropertyList
       naturally
     slack-notifier (2.3.2)
+    slather (2.4.0)
+      activesupport (>= 4.0.2, < 5)
+      clamp (~> 0.6)
+      nokogiri (~> 1.6)
+      xcodeproj (>= 0.20, < 2.0.0)
     terminal-notifier (1.8.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
+    thor (0.20.0)
     thread_safe (0.3.6)
     tty-cursor (0.6.0)
     tty-screen (0.6.5)
@@ -185,6 +239,12 @@ GEM
       claide (>= 1.0.2, < 2.0)
       colored2 (~> 3.1)
       nanaimo (~> 0.2.6)
+    xcov (1.5.0)
+      fastlane (>= 2.82.0, < 3.0.0)
+      multipart-post
+      slack-notifier
+      terminal-table
+      xcodeproj
     xcpretty (0.3.0)
       rouge (~> 2.0.7)
     xcpretty-travis-formatter (1.0.0)
@@ -194,8 +254,16 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  circleci_artifact
   cocoapods (= 1.6.0.beta.1)
+  danger
+  danger-junit
+  danger-swiftlint
+  danger-xcov
   fastlane
+  slather
+  xcov
+  xcpretty
 
 BUNDLED WITH
-   1.16.3
+   1.16.5

fastlane/Fastfile

@@ -0,0 +1,165 @@
+# This file contains the fastlane.tools configuration
+# You can find the documentation at https://docs.fastlane.tools
+#
+# For a list of all available actions, check out
+#
+#     https://docs.fastlane.tools/actions
+#
+
+# Uncomment the line if you want fastlane to automatically update itself
+# update_fastlane
+
+# default_platform(:ios)
+fastlane_require 'circleci_artifact'
+fastlane_version "2.93.1"
+
+BUILD_PATH="./build"
+DERIVED_DATA_PATH = "#{BUILD_PATH}/derived_data"
+PROJECT_NAME='Anchorage.xcodeproj'
+
+desc "Tests: iOS, tvOS, macOS. Builds: watchOS."
+lane :coverage_all do
+  bundle_ios = coverage(scheme: "Anchorage-iOS", devices: get_devices(ios_latest: true, ios_10_3: true))
+  bundle_tvos = coverage(scheme: "Anchorage-tvOS")
+  # For some reason fastlane tries to build for tvOS simulator unless destination is manually set
+  bundle_macos = coverage(scheme: "Anchorage-OSX", destination: "platform=macOS")
+
+  xchtmlreport(result_bundle_paths: [bundle_ios, bundle_tvos, bundle_macos],
+               enable_junit: true)
+  # Unit testing is not available on watchOS
+  xcodebuild(scheme: "Anchorage-watchOS",
+             derivedDataPath: DERIVED_DATA_PATH)
+end
+
+platform :mac do
+  desc "Runs Tests & Generates Code Coverage Reports for macOS"
+  lane :coverage_macos do
+    coverage(scheme: "Anchorage-OSX")
+  end
+end
+
+platform :ios do
+  desc "Runs Tests & Generates Code Coverage Reports for iOS 10.3.1 and latest iOS"
+  lane :coverage_ios do
+    devices = get_devices(ios_latest: true, ios_10_3: true)
+    coverage(scheme: "Anchorage-iOS",
+             devices: devices)
+  end
+
+  desc "Runs Tests & Generates Code Coverage Reports for iOS 10.3.1"
+  lane :coverage_ios_10_3 do
+    devices = get_devices(ios_10_3: true)
+    coverage(scheme: "Anchorage-iOS",
+             devices: devices)
+  end
+
+  desc "Runs Tests & Generates Code Coverage Reports for latest iOS"
+  lane :coverage_ios_latest do
+    devices = get_devices(ios_latest: true)
+    coverage(scheme: "Anchorage-iOS",
+             devices: devices)
+  end
+
+  desc "Runs Tests & Generates Code Coverage Reports for tvOS"
+  lane :coverage_tvos do
+    coverage(scheme: "Anchorage-tvOS")
+  end
+
+  # Tests cannot be run on watchOS
+  desc "Build for watchOS"
+  lane :build_watchos do
+    xcodebuild(scheme: "Anchorage-watchOS",
+               derivedDataPath: DERIVED_DATA_PATH)
+  end
+end
+
+
+def coverage(scheme:, devices: nil, destination: nil)
+  scan_output_path = "#{BUILD_PATH}/#{scheme}/scan"
+
+  # NOTE: Running too many devices concurrently breaks CircleCI resource limits
+  disable_concurrent_testing = false
+  if ENV['CIRCLE_BUILD_NUM']
+    disable_concurrent_testing = true
+  end
+
+  begin
+    scan(
+      output_types: 'junit,html',
+      devices: devices,
+      destination: destination,
+      scheme: scheme,
+      output_directory: scan_output_path,
+      code_coverage: true,
+      derived_data_path: DERIVED_DATA_PATH,
+      result_bundle: true,
+      disable_concurrent_testing: disable_concurrent_testing
+    )
+  rescue => ex
+    # Don't fail the entire lane when running tests, but print failure to STDERR
+    STDERR.puts ex
+  end
+
+  result_bundle_path = Scan.cache[:result_bundle_path]
+  xchtmlreport(result_bundle_path: result_bundle_path)
+
+  slather_use_circleci = "false"
+
+  if ENV['CIRCLE_BUILD_NUM']
+    slather_use_circleci = "true"
+  end
+
+  xcov(
+    project: PROJECT_NAME,
+    scheme: scheme,
+    output_directory: "#{BUILD_PATH}/#{scheme}/xcov",
+    derived_data_path: DERIVED_DATA_PATH
+  )
+
+  # Add binaries here as you create internal frameworks
+  slather_binaries = ['Anchorage']
+  slather_output_directory = "#{BUILD_PATH}/#{scheme}/slather"
+
+  # html and cobertura_xml output must be run separately
+  slather(
+    proj: PROJECT_NAME,
+    scheme: scheme,
+    binary_basename: slather_binaries,
+    output_directory: slather_output_directory,
+    html: "true",
+    build_directory: DERIVED_DATA_PATH
+  )
+  # Using Cobertura XML allows us to upload to Codecov.io
+  # Uploading to codecov is handled separately in the .circleci/config.yml
+  slather(
+    proj: PROJECT_NAME,
+    scheme: scheme,
+    binary_basename: slather_binaries,
+    output_directory: slather_output_directory,
+    circleci: slather_use_circleci,
+    cobertura_xml: "true",
+    build_directory: DERIVED_DATA_PATH
+  )
+  result_bundle_path
+end
+
+def get_devices(ios_latest: false, ios_10_3: false)
+  # The full list of iOS simulators available on CircleCI
+  # https://circleci.com/docs/2.0/testing-ios/#supported-xcode-versions
+  devices = []
+  if ios_latest
+    devices.push("iPhone SE")
+    devices.push("iPhone X")
+    devices.push("iPhone 8")
+    devices.push("iPhone 8 Plus")
+    devices.push("iPad Pro (10.5-inch)")
+  end
+
+  if ios_10_3
+    devices.push("iPhone SE (10.3.1)")
+    devices.push("iPhone 7 (10.3.1)")
+    devices.push("iPhone 7 Plus (10.3.1)")
+    devices.push("iPad Pro (10.5-inch) (10.3.1)")
+  end
+  devices
+end

fastlane/Pluginfile

@@ -0,0 +1,3 @@
+# Autogenerated by fastlane
+#
+# Ensure this file is checked in to source control!