接口测试系列：工作中所用（九：测试数据的生成：比如：整数、随机数、uuid等）

import string
import random
import time
import uuid


class GenUtil:
    """
    生成测试数据。
    """
    __instance = None  # 实例

    def __new__(cls, *args, **kwargs):
        '''
        单实例
        :param args:
        :param kwargs:
        :return:
        '''
        if not cls.__instance:
            cls.__instance = super(GenUtil, cls).__new__(cls, *args)
        return cls.__instance

    def gen_phones(self, count = 1):
        '''
        生成手机号 1[3,4,5,7,8][1~9]
        :param count: 生成数量
        :return:list
        '''
        try:
            list = []
            for i in range(count):
                list.append(
                        '1' + ''.join(random.choice("34578")) + ''.join(random.choice( "123456789")) + ''.join(
                                random.sample( string.digits, 9)))
            if count == 1:
                return list[0]
            else:
                return list
        except Exception as e:
            print( "生成手机号出错！----" + str(e))

    def gen_digits(self, length = 10, count = 1):
        '''
        生成正整数
        :param length:正整数的位数
        :param count:生成数量
        :return:list
        '''
        try:
            list = []
            if length <= 10:
                for i in range(count):
                    list.append(''.join(random.sample(string.digits, length)))
            elif length > 10:
                for i in range(count):
                    list.append(''.join([random.choice(string.digits) for _ in range(length)]))
            if count == 1:
                return list[0]
            else:
                return list
        except Exception as e:
            print( "生成正整数出错！----" + str(e))

    def gen_chinese_name(self, count = 1):
        '''
        生成中文+时间（年月日时分秒）
        :param count:生成姓名的个数
        :return:
        '''
        try:
            list = []
            for i in range(count):
                list.append('测试' + ''.join(time.strftime('%Y%m%d%H%M%S', time.localtime())))
            if count == 1:
                return list[0]
            else:
                return list
        except Exception as e:
            print( "生成中文+4位随机数出错！----" + str(e))

    def gen_characters(self, length = 10, count = 1):
        '''
        生成随机字符（字母+数字）
        :param length:单个字符串的长度
        :param count:生成字符串的个数
        :return:
        '''
        try:
            chars = string.ascii_letters + string.digits
            list = []
            if length <= 62:
                for i in range(count):
                    list.append( ''.join(random.sample(chars, length)))
                if count == 1:
                    return list[0]
                else:
                    return list
            else:
                for i in range(count):
                    list.append(''.join([random.choice(chars) for i in range(length)]))
                if count == 1:
                    return list[0]
                else:
                    return list
        except Exception as e:
            print( "生成随机字符（字母+数字）出错！----" + str(e))

    def gen_uuid(self, id):
        '''
        生成uuid
        '''
        name = 'test'
        namespace = uuid.NAMESPACE_URL
        if id == 1:
            return str(uuid.uuid1()).replace('-', '')
        if id == 3:
            return uuid.uuid3(namespace, name)
        if id == 4:
            return str(uuid.uuid4()).replace('-', '')
        if id == 5:
            return uuid.uuid5(namespace, name)