<commit_before>require "tmpdir"
require "fileutils"

class Suite
  class Config < Struct.new(:root)
    def bin
      @bin ||= File.join(root, "bin/git-media")
    end

    def version
      @version ||= cmd(:version)
    end

    def tmp
      @tmp ||= Dir.tmpdir
    end

    # Gets existing GIT_* env vars
    def env
      @env ||= ENV.inject({}) do |memo, (k, v)|
        if k =~ /\AGIT_/
          memo.update k => v
        else
          memo
        end
      end
    end

    def env_string
      env.inject [] do |memo, (key, value)|
        memo << "#{key}=#{value}"
      end.join("\n")
    end

  private
    def cmd(file)
      %x{go run #{root}/integration/#{file}.go}.strip
    end
  end

  def self.config
    @config ||= Config.new(File.expand_path("../..", __FILE__))
  end

  def self.tests
    @tests ||= []
  end

  def self.test_tmpdir
    @test_tmpdir ||= begin
      tmp = File.join(config.tmp, "git-media-tests")
      FileUtils.rm_rf(tmp)
      tmp
    end
  end

  # Gets the global git configuration.
  def self.global_git_config
    `git config -l --global`.strip.split("\n")
  end

  # Clones the sample repository to a test
  def self.clone(name)
    path = File.join(config.root, "integration", "repos", name.to_s)
    if !File.exist?(path)
      path += ".git"
    end

    if !File.exist?(path)
      raise ArgumentError, "No example repository #{name} (#{path.inspect})"
    end

    dest = File.join(test_tmpdir, name.to_s)
    Dir.chdir File.join(config.root, "integration", "repos") do
      %x{git clone #{name} #{dest}}
      # set a default origin remote for each test case
      Dir.chdir dest do
        `git remote remove origin`
        `git remote add origin https://example.com/git/media`
      end
    end

    dest
  end

  def self.test(repo_name)
    t = Test.new(clone(repo_name))
    yield t if block_given?
    tests << t
  end

  class Test
    attr_reader :path

    def initialize(*repositories)
      @path = expand(repositories.first)
      @repositories = repositories
      @commands = []
      @successful = true
    end

    def failed?
      !@successful
    end

    def repository(path)
      @repositories << path
    end

    def command(cmd, output = nil)
      c = Command.new(cmd, output)
      yield c if block_given?
      @commands << c
    end

    def run!
      @repositories.each do |r|
        Dir.chdir(r) { run(r) }
      end
    end

    def run(r)
      puts "Integration tests for #{r}"
      puts
      @commands.each do |c|
        if !c.run!(r)
          @successful = false
        end
      end
      puts
    end

  private
    # expands the /var path which gets symlinked to "private/var" on OSX.
    def expand(path)
      pieces = path.split "/"
      pieces.shift
      expanded = ""
      pieces.each do |part|<commit_msg>clone the repos before each test<commit_after>require "tmpdir"
require "fileutils"

class Suite
  class Config < Struct.new(:root)
    def bin
      @bin ||= File.join(root, "bin/git-media")
    end

    def version
      @version ||= cmd(:version)
    end

    def tmp
      @tmp ||= Dir.tmpdir
    end

    # Gets existing GIT_* env vars
    def env
      @env ||= ENV.inject({}) do |memo, (k, v)|
        if k =~ /\AGIT_/
          memo.update k => v
        else
          memo
        end
      end
    end

    def env_string
      env.inject [] do |memo, (key, value)|
        memo << "#{key}=#{value}"
      end.join("\n")
    end

  private
    def cmd(file)
      %x{go run #{root}/integration/#{file}.go}.strip
    end
  end

  def self.config
    @config ||= Config.new(File.expand_path("../..", __FILE__))
  end

  def self.tests
    @tests ||= []
  end

  def self.test_tmpdir
    @test_tmpdir ||= begin
      tmp = File.join(config.tmp, "git-media-tests")
      FileUtils.rm_rf(tmp)
      tmp
    end
  end

  # Gets the global git configuration.
  def self.global_git_config
    `git config -l --global`.strip.split("\n")
  end

  def self.test(repo_name)
    t = Test.new(repo_name)
    yield t if block_given?
    tests << t
  end

  class Test
    attr_reader :path

    def initialize(name)
      @repository_name = name
      @path = expand(File.join(Suite.test_tmpdir, name.to_s))
      @repositories = [@path]
      @commands = []
      @successful = true
    end

    def failed?
      !@successful
    end

    def repository(path)
      @repositories << path
    end

    def command(cmd, output = nil)
      c = Command.new(cmd, output)
      yield c if block_given?
      @commands << c
    end

    def run!
      @repositories.each { |r| run(r) }
    end

    def run(r)
      puts "Integration tests for #{r}"
      puts
      @commands.each do |c|
        clone(r) do
          @successful = false unless c.run!(r)
        end
      end
      puts
    end

  private
    def clone(path)
      FileUtils.rm_rf @path
      Dir.chdir File.join(Suite.config.root, "integration", "repos") do
        %x{git clone #{@repository_name} #{@path} 2> /dev/null}
        # set a default origin remote for each test case
        Dir.chdir @path do
          `git remote remove origin 2> /dev/null`
          `git remote add origin https://example.com/git/media 2> /dev/null`
        end
      end

      Dir.chdir(path) do
        yield
      end
    end

    # expands the /var path which gets symlinked to "private/var" on OSX.
    def expand(path)
      pieces = path.split "/"
      pieces.shift
      expanded = ""
      pieces.each do |part|
{'fraction_non_alphanumeric': 0.12051048313582498, 'fraction_numerical': 0.0005469462169553327, 'mean_word_length': 1.9431330472103003, 'pattern_counts': {'":': 0, '<': 21, '<?xml version=': 0, '>': 8, 'https://': 2, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 1, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1315803', 'n_tokens_mistral': 1860, 'n_tokens_neox': 1813, 'n_words': 515}