require_relative '../../../test_helper'require_relative '../../../../lib/docs' class DocsFileStoreTest < Minitest::Spec  let :store do    Docs::FileStore.new(tmp_path)  end   after do    FileUtils.rm_rf "#{tmp_path}/."  end   def expand_path(path)    File.join(tmp_path, path)  end   def read(path)    File.read expand_path(path)  end   def write(path, content)    File.write expand_path(path), content  end   def exists?(path)    File.exist? expand_path(path)  end   def touch(path)    FileUtils.touch expand_path(path)  end   def mkpath(path)    FileUtils.mkpath expand_path(path)  end   describe "#read" do    it "reads a file" do      write 'file', 'content'      assert_equal 'content', store.read('file')    end  end   describe "#write" do    context "with a string" do      it "creates the file when it doesn't exist" do        store.write 'file', 'content'        assert exists?('file')        assert_equal 'content', read('file')      end       it "updates the file when it exists" do        touch 'file'        store.write 'file', 'content'        assert_equal 'content', read('file')      end    end     context "with a Tempfile" do      let :file do        Tempfile.new('tmp').tap do |file|          file.write 'content'          file.close        end      end       it "creates the file when it doesn't exist" do        store.write 'file', file        assert exists?('file')        assert_equal 'content', read('file')      end       it "updates the file when it exists" do        touch 'file'        store.write 'file', file        assert_equal 'content', read('file')      end    end     it "recursively creates directories" do      store.write '1/2/file', ''      assert exists?('1/2/file')    end  end   describe "#delete" do    it "deletes a file" do      touch 'file'      store.delete 'file'      refute exists?('file')    end     it "deletes a directory" do      mkpath '1/2'      touch '1/2/file'      store.delete '1'      refute exists?('1/2/exist')      refute exists?('1/2')      refute exists?('1')    end  end   describe "#exist?" do    it "returns true when the file exists" do      touch 'file'      assert store.exist?('file')    end     it "returns false when the file doesn't exist" do      refute store.exist?('file')    end  end   describe "#mtime" do    it "returns the file modification time" do      touch 'file'      created_at = Time.now.round - 86400      modified_at = created_at + 1      File.utime created_at, modified_at, expand_path('file')      assert_equal modified_at, store.mtime('file')    end  end   describe "#size" do    it "returns the file's size" do      write 'file', 'content'      assert_equal File.size(expand_path('file')), store.size('file')    end  end   describe "#each" do    let :paths do      paths = []      store.each { |path| paths << path.remove(tmp_path) }      paths    end     it "yields file paths" do      touch 'file'      assert_equal ['/file'], paths    end     it "yields directory paths" do      mkpath 'dir'      assert_equal ['/dir'], paths    end     it "yields file paths recursively" do      mkpath 'dir'      touch 'dir/file'      assert_includes paths, '/dir/file'    end     it "yields directory paths recursively" do      mkpath 'dir/dir'      assert_includes paths, '/dir/dir'    end     it "doesn't yield file paths that start with '.'" do      touch '.file'      assert_empty paths    end     it "doesn't yield directory paths that start with '.'" do      mkpath '.dir'      assert_empty paths    end     it "yields directories before what's inside them" do      mkpath 'dir'      touch 'dir/file'      assert paths.index('/dir') < paths.index('/dir/file')    end     context "when the block deletes the directory" do      it "stops yielding what was inside it" do        mkpath 'dir'        touch 'dir/file'        store.each do |path|          (@paths ||= []) << path          FileUtils.rm_rf(path) if path == expand_path('dir')        end        refute_includes @paths, expand_path('dir/file')      end    end  endend