Class: Scan::DetectValues

Inherits:
Object
  • Object
show all
Defined in:
lib/scan/detect_values.rb

Overview

This class detects all kinds of default values

Class Method Summary collapse

Class Method Details

.default_derived_data ⇒ Object 



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# File 'lib/scan/detect_values.rb', line 32

def self.default_derived_data
  return unless Scan.config[:derived_data_path].to_s.empty?
  default_path = Scan.project.build_settings(key: "BUILT_PRODUCTS_DIR")
  # => /Users/.../Library/Developer/Xcode/DerivedData/app-bqrfaojicpsqnoglloisfftjhksc/Build/Products/Release-iphoneos
  # We got 3 folders up to point to ".../DerivedData/app-[random_chars]/"
  default_path = File.expand_path("../../..", default_path)
  UI.verbose("Detected derived data path '#{default_path}'")
  Scan.config[:derived_data_path] = default_path
end

.detect_destination ⇒ Object

Is it an iOS, a tvOS or a macOS device?



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# File 'lib/scan/detect_values.rb', line 166

def self.detect_destination
  if Scan.config[:destination]
    UI.important("It's not recommended to set the `destination` value directly")
    UI.important("Instead use the other options available in `scan --help`")
    UI.important("Using your value '#{Scan.config[:destination]}' for now")
    UI.important("because I trust you know what you're doing...")
    return
  end

  # building up the destination now
  if Scan.project.ios?
    Scan.config[:destination] = Scan.devices.map { |d| "platform=iOS Simulator,id=#{d.udid}" }
  elsif Scan.project.tvos?
    Scan.config[:destination] = Scan.devices.map { |d| "platform=tvOS Simulator,id=#{d.udid}" }
  else
    Scan.config[:destination] = min_xcode8? ? ["platform=macOS"] : ["platform=OS X"]
  end
end

.detect_simulator(requested_os_type, deployment_target_key, default_device_name, simulator_type_descriptor) ⇒ Object 



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# File 'lib/scan/detect_values.rb', line 78

def self.detect_simulator(requested_os_type, deployment_target_key, default_device_name, simulator_type_descriptor)
  require 'set'
  devices = Scan.config[:devices] || Array(Scan.config[:device]) # important to use Array(nil) for when the value is nil

  deployment_target_version = Scan.project.build_settings(key: deployment_target_key)

  simulators = filter_simulators(
    FastlaneCore::DeviceManager.simulators(requested_os_type).tap do |array|
      if array.empty?
        UI.user_error!(['No', simulator_type_descriptor, 'simulators found on local machine'].reject(&:nil?).join(' '))
      end
    end,
    :greater_than_or_equal,
    deployment_target_version
  ).tap do |sims|
    if sims.empty?
      UI.error("No simulators found that are greater than or equal to the version of deployment target (#{deployment_target_version})")
    end
  end

  # At this point we have all simulators for the given deployment target (or higher)

  # We create 2 lambdas, which we iterate over later on
  # If the first lambda `matches` found a simulator to use
  # we'll never call the second one

  matches = lambda do
    set_of_simulators = devices.inject(
      Set.new # of simulators
    ) do |set, device_string|
      pieces = device_string.split(regular_expression_for_split_on_whitespace_followed_by_parenthesized_version)

      selector = ->(sim) { pieces.count > 0 && sim.name == pieces.first }

      set + (
        if pieces.count == 0
          [] # empty array
        elsif pieces.count == 1
          simulators
            .select(&selector)
            .reverse # more efficient, because `simctl` prints higher versions first
            .sort_by! { |sim| Gem::Version.new(sim.os_version) }
            .pop(1)
        else # pieces.count == 2 -- mathematically, because of the 'end of line' part of our regular expression
          version = pieces[1].tr('()', '')
          potential_emptiness_error = lambda do |sims|
            UI.error("No simulators found that are equal to the version " \
            "of specifier (#{version}) and greater than or equal to the version " \
            "of deployment target (#{deployment_target_version})") if sims.empty?
          end
          filter_simulators(simulators, :equal, version).tap(&potential_emptiness_error).select(&selector)
        end
      ).tap do |array|
        UI.error("Ignoring '#{device_string}', couldn’t find matching simulator") if array.empty?
      end
    end

    set_of_simulators.to_a
  end

  default = lambda do
    UI.error("Couldn't find any matching simulators for '#{devices}' - falling back to default simulator")

    result = Array(
      simulators
        .select { |sim| sim.name == default_device_name }
        .reverse # more efficient, because `simctl` prints higher versions first
        .sort_by! { |sim| Gem::Version.new(sim.os_version) }
        .last || simulators.first
    )

    UI.error("Found simulator \"#{result.first.name} (#{result.first.os_version})\"") if result.first

    result
  end

  # grab the first unempty evaluated array
  Scan.devices = [matches, default].lazy.map { |x|
    arr = x.call
    arr unless arr.empty?
  }.reject(&:nil?).first
end

.detect_simulator_ios ⇒ Object 



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# File 'lib/scan/detect_values.rb', line 69

def self.detect_simulator_ios
  # An iPhone 5s is a reasonably small and useful default for tests
  detect_simulator('iOS', 'IPHONEOS_DEPLOYMENT_TARGET', 'iPhone 5s', nil)
end

.detect_simulator_tvos ⇒ Object 



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# File 'lib/scan/detect_values.rb', line 74

def self.detect_simulator_tvos
  detect_simulator('tvOS', 'TVOS_DEPLOYMENT_TARGET', 'Apple TV 1080p', 'TV')
end

.filter_simulators(simulators, operator = :greater_than_or_equal, deployment_target) ⇒ Object 



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# File 'lib/scan/detect_values.rb', line 42

def self.filter_simulators(simulators, operator = :greater_than_or_equal, deployment_target)
  deployment_target_version = Gem::Version.new(deployment_target)
  simulators.select do |s|
    sim_version = Gem::Version.new(s.os_version)
    if operator == :greater_than_or_equal
      sim_version >= deployment_target_version
    elsif operator == :equal
      sim_version == deployment_target_version
    else
      false # this will show an error message in the detect_simulator method
    end
  end
end

.min_xcode8? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/scan/detect_values.rb', line 161

def self.min_xcode8?
  Helper.xcode_version.split(".").first.to_i >= 8
end

.regular_expression_for_split_on_whitespace_followed_by_parenthesized_version ⇒ Object 



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# File 'lib/scan/detect_values.rb', line 56

def self.regular_expression_for_split_on_whitespace_followed_by_parenthesized_version
  # %r{
  #   \s # a whitespace character
  #   (?= # followed by -- using lookahead
  #   \( # open parenthesis
  #   [\d\.]+ # our version -- one or more digits or full stops
  #   \) # close parenthesis
  #   $ # end of line
  #   ) # end of lookahead
  # }
  /\s(?=\([\d\.]+\)$)/
end

.set_additional_default_values ⇒ Object

This is needed as these are more complex default values Returns the finished config object



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# File 'lib/scan/detect_values.rb', line 6

def self.set_additional_default_values
  config = Scan.config

  # First, try loading the Scanfile from the current directory
  config.load_configuration_file(Scan.scanfile_name)

  # Detect the project
  FastlaneCore::Project.detect_projects(config)
  Scan.project = FastlaneCore::Project.new(config)

  # Go into the project's folder, as there might be a Snapfile there
  Dir.chdir(File.expand_path("..", Scan.project.path)) do
    config.load_configuration_file(Scan.scanfile_name)
  end

  Scan.project.select_scheme

  detect_simulator_ios if Scan.project.ios?
  detect_simulator_tvos if Scan.project.tvos?
  detect_destination

  default_derived_data

  return config
end