目录时间戳的规律

# Copyright © 2022, 飞麦 <fitmap@qq.com>, All rights reserved.

# frozen_string_literal: true

# 测试目录各时间戳的规律(通用)
class Dirtime
    def result(newtime, oldtime)
        newtime == oldtime ? '不变' : '变'
    end

    def compare(title)
        new_stat = File.stat(@cur_dir_name)
        puts "#{title} 目录创建时刻 #{result(new_stat.ctime, @cur_stat.ctime)}"
        puts "#{title} 目录修改时刻 #{result(new_stat.mtime, @cur_stat.mtime)}"
        puts "#{title} 目录存取时刻 #{result(new_stat.atime, @cur_stat.atime)}"
        @cur_stat = new_stat
    end

    def test(func, title)
        sleep(0.01)
        method(func).call
        compare(title)
    end
end

# 测试目录各时间戳的规律(孙目录级)
class Dirtime
    def create_deep_dir
        Dir.mkdir(@deep_dir_name)
    end

    def create_deep_file
        File.write(@deep_file_name, '~' * 4096)
    end

    def change_deep_dir_name
        File.rename(@deep_dir_name, '壬申猴')
        File.rename('壬申猴', @deep_dir_name)
    end

    def change_deep_dir_attr
        system("attrib.exe +h #{@deep_dir_name}")
        system("attrib.exe -h #{@deep_dir_name}")
    end

    def remove_deep_dir
        Dir.rmdir(@deep_dir_name)
    end

    def change_deep_file_name
        File.rename(@deep_file_name, '癸酉鸡')
        File.rename('癸酉鸡', @deep_file_name)
    end

    def change_deep_file_attr
        system("attrib.exe +h #{@deep_file_name}")
        system("attrib.exe -h #{@deep_file_name}")
    end

    def change_deep_file_text
        File.write(@deep_file_name, '&' * 4096)
    end

    def remove_deep_file
        File.delete(@deep_file_name)
    end

    # 测试孙目录
    def check_deep
        test(:create_deep_dir, '创建孙目录')
        test(:create_deep_file, '创建孙文件')
        test(:change_deep_dir_name, '改变孙目录名称')
        test(:change_deep_dir_attr, '变更孙目录属性')
        test(:remove_deep_dir, '删除孙目录')
        test(:change_deep_file_name, '改变孙文件名称')
        test(:change_deep_file_attr, '变更孙文件属性')
        test(:change_deep_file_text, '修改孙文件内容')
        test(:remove_deep_file, '删除孙文件')
    end

    def deal_deep
        @deep_dir_name = '庚午马'
        @deep_file_name = '辛未羊'
        Dir.chdir(@sub_dir_name) do
            check_deep
        end
    end
end

# 测试目录各时间戳的规律(子目录级)
class Dirtime
    def create_sub_dir
        Dir.mkdir(@sub_dir_name)
    end

    def create_sub_file
        File.write(@sub_file_name, '~' * 4096)
    end

    def query_sub_dir
        Dir.chdir(@sub_dir_name) do
            Dir.glob('*')
        end
    end

    def change_sub_dir_name
        File.rename(@sub_dir_name, '戊辰龙')
        File.rename('戊辰龙', @sub_dir_name)
    end

    def change_sub_dir_attr
        system("attrib.exe +h #{@sub_dir_name}")
        system("attrib.exe -h #{@sub_dir_name}")
    end

    def remove_sub_dir
        Dir.rmdir(@sub_dir_name)
    end

    def change_sub_file_name
        File.rename(@sub_file_name, '己巳蛇')
        File.rename('己巳蛇', @sub_file_name)
    end

    def change_sub_file_attr
        system("attrib.exe +h #{@sub_file_name}")
        system("attrib.exe -h #{@sub_file_name}")
    end

    def change_sub_file_text
        File.write(@sub_file_name, '&' * 4096)
    end

    def remove_sub_file
        File.delete(@sub_file_name)
    end

    def check_sub
        test(:create_sub_dir, '创建子目录')
        test(:create_sub_file, '创建子文件')
        test(:query_sub_dir, '查询子目录列表')
        test(:change_sub_dir_name, '改变子目录名称')
        test(:change_sub_dir_attr, '变更子目录属性')
        deal_deep
        test(:remove_sub_dir, '删除子目录')
        test(:change_sub_file_name, '改变子文件名称')
        test(:change_sub_file_attr, '变更子文件属性')
        test(:change_sub_file_text, '修改子文件内容')
        test(:remove_sub_file, '删除子文件')
    end

    def deal_sub
        @sub_dir_name = '丙寅虎'
        @sub_file_name = '丁卯兔'
        Dir.chdir(@cur_dir_name) do
            check_sub
        end
    end
end

# 测试目录各时间戳的规律(目录级)
class Dirtime
    def change_cur_name
        File.rename(@cur_dir_name, '乙丑牛')
        File.rename('乙丑牛', @cur_dir_name)
    end

    def change_cur_attr
        system("attrib.exe +h #{@cur_dir_name}")
        system("attrib.exe -h #{@cur_dir_name}")
    end

    def query_cur_dir
        Dir.glob('*')
    end

    def check_cur
        test(:change_cur_name, '改变目录名称')
        test(:change_cur_attr, '变更目录属性')
        test(:query_cur_dir, '查询目录列表')
    end
end

# 测试目录各时间戳的规律
class Dirtime
    def init_cur
        @cur_dir_name = File.join(Dir.home, '甲子鼠')
        Dir.mkdir(@cur_dir_name)
        @cur_stat = File.stat(@cur_dir_name)
        puts '测试目录的时间戳：'
    end

    def recover_current
        Dir.rmdir(@cur_dir_name)
    end

    def main
        Dir.chdir(Dir.home) do
            init_cur
            check_cur
            deal_sub
            recover_current
        end
        puts '总结：'
        puts '当前目录的创建时间戳：创建当前目录时记录，后续操作不再改变。'
        puts '当前目录的修改与存取时间戳：创建、改名、删除子目录或子文件时改变，修改子文件内容及操作孙目录时不变。'
    end
end

$PROGRAM_NAME == __FILE__ && Dirtime.new.main