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jsonzoup edited this page Dec 3, 2020 · 15 revisions

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Jmockdata

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Jmockdata是一款实现模拟JAVA类型或对象的实例化并随机初始化对象的数据的工具框架。

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The plugin of Jmockdata what through random algorithm mock java data.
Jmockdata插件通过随机算法模拟Java数据.

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Feature

  • 支持丰富多样的数据类型模拟，包括：Java基本类型、字符串、枚举、日期、数组、多维数组、集合[List|Set|Map]、枚举、Java对象等
  • 支持通过正则表达式反向模拟数据
  • 支持泛型
  • 支持继承
  • 支持循环依赖、自依赖(手动开启enabledCircle)
  • 支持忽略字段
  • 支持改变mockConfig来自定义模拟数据策略
  • 支持自定义Mocker类
  • 支持添加BeanMocker拦截器类
  • 支持JDK1.8+

Download

Jmockdata-4.3.0

Jar

Jmockdata-4.3.0

Maven

  <dependency>
     <groupId>com.github.jsonzou</groupId>
     <artifactId>jmockdata</artifactId>
     <version>4.3.0</version>
   </dependency>

Gradle

  compile group: 'com.github.jsonzou', name: 'jmockdata', version: '4.3.0'

更多已发布版本下载

https://github.com/jsonzou/jmockdata/releases

History version

Usage

基础类型

支持以下基础类型直接模拟

描述 类型
基础类型 byte boolean char short int long float double
包装类型包装 Byte Boolean Character Short Integer Long Float Double
常用类型 BigDecimal BigInteger Date LocalDateTime LocalDate LocalTime java.sql.Timestamp String Enum
多维数组 以上所有类型的多维数组 如：int[] int[][] int[][][] .... etc. 
//基本类型模拟
int intNum = JMockData.mock(int.class);
int[] intArray = JMockData.mock(int[].class);
Integer integer = JMockData.mock(Integer.class);
Integer[] integerArray = JMockData.mock(Integer[].class);
//常用类型模拟
BigDecimal bigDecimal = JMockData.mock(BigDecimal.class);
BigInteger bigInteger = JMockData.mock(BigInteger.class);
Date date = JMockData.mock(Date.class);
String str = JMockData.mock(String.class);

JAVA对象

模拟bean，被模拟的数据最好是plain bean，通过反射给属性赋值。

支持模拟继承而来的属性。

//模拟Java对象
public class BasicBean {
  //基本类型
  private byte byteNum;
  private boolean booleanNum;
  private char charNum;
  private short shortNum;
  private int integerNum;
  private long longNum;
  private float floatNum;
  private double doubleNum;
  //基本包装类型
  private Byte byteBoxing;
  private Boolean booleanBoxing;
  private Character charBoxing;
  private Short shortBoxing;
  private Integer integerBoxing;
  private Long longBoxing;
  private Float floatBoxing;
  private Double doubleBoxing;
  //基本类型数组
  private byte[] byteNumArray;
  private boolean[] booleanNumArray;
  private char[] charNumArray;
  private short[] shortNumArray;
  private int[] integerNumArray;
  private long[] longNumArray;
  private float[] floatNumArray;
  private double[] doubleNumArray;
  //基本类型二维数组
  private byte[][] byteNumDoubleArray;
  private boolean[][] booleanNumDoubleArray;
  private char[][] charNumDoubleArray;
  private short[][] shortNumDoubleArray;
  private int[][] integerNumDoubleArray;
  private long[][] longNumDoubleArray;
  private float[][] floatNumDoubleArray;
  private double[][] doubleNumDoubleArray;
  //基本包装类型数组
  private Byte[] byteBoxingArray;
  private Boolean[] booleanBoxingArray;
  private Character[] charBoxingArray;
  private Short[] shortBoxingArray;
  private Integer[] integerBoxingArray;
  private Long[] longBoxingArray;
  private Float[] floatBoxingArray;
  private Double[] doubleBoxingArray;
  //基本包装类型二维数组
  private Byte[][] byteBoxingDoubleArray;
  private Boolean[][] booleanBoxingDoubleArray;
  private Character[][] charBoxingDoubleArray;
  private Short[][] shortBoxingDoubleArray;
  private Integer[][] integerBoxingDoubleArray;
  private Long[][] longBoxingDoubleArray;
  private Float[][] floatBoxingDoubleArray;
  private Double[][] doubleBoxingDoubleArray;
  //其他常用类型
  private BigDecimal bigDecimal;
  private BigInteger bigInteger;
  private Date date;
  private String string;
  //其他常用类型数组
  private BigDecimal[] bigDecimalArray;
  private BigInteger[] bigIntegerArray;
  private Date[] dateArray;
  private String[] stringArray;
  //其他常用类型二维数组
  private BigDecimal[][] bigDecimalDoubleArray;
  private BigInteger[][] bigIntegerDoubleArray;
  private Date[][] dateDoubleArray;
  private String[][] stringDoubleArray;
  //集合、MAP数组
  private List<Integer>[] listArray;
  private Set<Integer>[] setArray;
  private Map<Integer, String>[] mapArray;
  //集合、MAP二维数组
  private List<Integer>[][] listDoubleArray;
  private Set<Integer>[][] setDoubleArray;
  private Map<Integer, String>[][] mapDoubleArray;
  //集合、MAP二维数组(内部数组)
  private List<Integer[]>[][] listInnerArrayDoubleArray;
  private Set<Integer[]>[][] setInnerArrayDoubleArray;
  private Map<Integer[], String[]>[][] mapInnerArrayDoubleArray;
  //集合、MAP二维数组(内部二维数组)
  private List<Integer[][]>[][] listInnerDoubleArrayDoubleArray;
  private Set<Integer[][]>[][] setInnerDoubleArrayDoubleArray;
  private Map<Integer[][], String[][]>[][] mapInnerDoubleArrayDoubleArray;
  //LIST
  private List<Byte> byteBoxingList;
  private List<Boolean> booleanBoxingList;
  private List<Character> charBoxingList;
  private List<Short> shortBoxingList;
  private List<Integer> integerBoxingList;
  private List<Long> longBoxingList;
  private List<Float> floatBoxingList;
  private List<Double> doubleBoxingList;
  private List<BigDecimal> bigDecimalList;
  private List<BigInteger> bigIntegerList;
  private List<Date> dateList;
  private List<String> stringList;
  private List<List<String>> stringListList;
  private List<Set<String>> stringSetList;
  private List<Map<Integer, String>> mapList;
  //数组LIST
  private List<Byte[]> byteBoxingArrayList;
  private List<Boolean[]> booleanBoxingArrayList;
  private List<Character[]> charBoxingArrayList;
  private List<Short[]> shortBoxingArrayList;
  private List<Integer[]> integerBoxingArrayList;
  private List<Long[]> longBoxingArrayList;
  private List<Float[]> floatBoxingArrayList;
  private List<Double[]> doubleBoxingArrayList;
  private List<BigDecimal[]> bigDecimalArrayList;
  private List<BigInteger[]> bigIntegerArrayList;
  private List<Date[]> dateArrayList;
  private List<String[]> stringArrayList;
  //二维数组LIST
  private List<Byte[][]> byteBoxingDoubleArrayList;
  private List<Boolean[][]> booleanBoxingDoubleArrayList;
  private List<Character[][]> charBoxingDoubleArrayList;
  private List<Short[][]> shortBoxingDoubleArrayList;
  private List<Integer[][]> integerBoxingDoubleArrayList;
  private List<Long[][]> longBoxingDoubleArrayList;
  private List<Float[][]> floatBoxingDoubleArrayList;
  private List<Double[][]> doubleBoxingDoubleArrayList;
  private List<BigDecimal[][]> bigDecimalDoubleArrayList;
  private List<BigInteger[][]> bigIntegerDoubleArrayList;
  private List<Date[][]> dateDoubleArrayList;
  private List<String[][]> stringDoubleArrayList;
  //SET忽略同List
  //MAP
  private Map<String, Integer> basicMap;
  private Map<String[], Integer> keyArrayMap;
  private Map<String, Integer[]> valueArrayMap;
  private Map<String[], Integer[]> keyValueArrayMap;
  private Map<String[][], Integer[][]> keyValueDoubleArrayMap;
  private Map<List<String>, Map<String, Integer>> keyListValueMapMap;
  private Map<List<String>[], Map<String, Integer>[]> keyArrayListValueArrayMapMap;
  //getter setter省略...
}

//调用模拟数据的方法模拟Java对象
BasicBean basicBean = JMockData.mock(BasicBean.class);

容器类型（LIST,SET,MAP）

@Test
//******注意TypeReference要加{}才能模拟******
public void testTypeRefrence() {
  //模拟基础类型，不建议使用这种方式，参考基础类型章节直接模拟。
  Integer integerNum = JMockData.mock(new TypeReference<Integer>(){});
  Integer[] integerArray = JMockData.mock(new TypeReference<Integer[]>(){});
  //模拟集合
  List<Integer> integerList = JMockData.mock(new TypeReference<List<Integer>>(){});
  //模拟数组集合
  List<Integer[]> integerArrayList = JMockData.mock(new TypeReference<List<Integer[]>>(){});
  //模拟集合数组
  List<Integer>[] integerListArray = JMockData.mock(new TypeReference<List<Integer>[]>(){});
  //模拟集合实体
  List<BasicBean> basicBeanList = JMockData.mock(new TypeReference<List<BasicBean>>(){});
  //各种组合忽略。。。。map同理。下面模拟一个不知道什么类型的map
  Map<List<Map<Integer, String[][]>>, Map<Set<String>, Double[]>> some = JMockData.mock(new TypeReference<Map<List<Map<Integer, String[][]>>, Map<Set<String>, Double[]>>>(){});
}

更改随机范围以及排除某些不模拟数据的字段

字段支持三种模式匹配，可快速配置：[*FieldWord*]、[*FieldWord]、[FieldWord*]

MockConfig mockConfig = new MockConfig()
            // 全局配置
            .globalConfig()
            .setEnabledStatic(false);
            .setEnabledPrivate(false);
            .setEnabledPublic(false);
            .setEnabledProtected(false);
            .sizeRange(1,1)
            .charSeed((char) 97, (char) 98)
            .byteRange((byte) 0, Byte.MAX_VALUE)
            .shortRange((short) 0, Short.MAX_VALUE)

            // 某些字段（名等于integerNum的字段、包含float的字段、double开头的字段）配置
            .subConfig("integerNum","*float*","double*")
            .intRange(10, 11)
            .floatRange(1.22f, 1.50f)
            .doubleRange(1.50,1.99)

            // 某个类的某些字段（long开头的字段、date结尾的字段、包含string的字段）配置。
            .subConfig(BasicBean.class,"long*","*date","*string*")
            .longRange(12, 13)
            .dateRange("2018-11-20", "2018-11-30")
            .stringSeed("SAVED", "REJECT", "APPROVED")
            .sizeRange(1,1)

            // 全局配置
            .globalConfig()
            // 排除所有包含list/set/map字符的字段。表达式不区分大小写。
            .excludes("*List*","*Set*","*Map*")
            // 排除所有Array开头/Boxing结尾的字段。表达式不区分大小写。
            .excludes(BasicBean.class,"*Array","Boxing*");
    BasicBean basicBean = JMockData.mock(BasicBean.class, mockConfig);

高级特性

设置小数位数

 public void testDecimalScaleMock() {
    MockConfig mockConfig = new MockConfig()
            .doubleRange(-1.1d,9999.99999d)
            .floatRange(-1.11111f,9999.99999f)
            .decimalScale(3) // 设置小数位数为3，默认是2
            .globalConfig();
    JMockData.mock(BigDecimal.class,mockConfig);
  }

根据正则模拟数据

支持\w \W \d \D \s \S

支持[0-9a-zA-Z] [abc123_]

支持{n} {n,} {n,m}

支持 * + . ?

不支持其他，如() ^ $ | \n \t \cx \b \B \f 等等

   /**
    * 根据正则模拟数据
    * 正则优先于其他规则
    */
   @Test
   public void testRegexMock() {
     MockConfig mockConfig = new MockConfig()
                 // 随机段落字符串
                 .stringRegex("I'am a nice man\\.And I'll just scribble the characters, like：[a-z]{2}-[0-9]{2}-[abc123]{2}-\\w{2}-\\d{2}@\\s{1}-\\S{1}\\.?-.")
                 // 邮箱
                 .subConfig(RegexTestDataBean.class,"userEmail")
                 .stringRegex("[a-z0-9]{5,15}\\@\\w{3,5}\\.[a-z]{2,3}")
                 // 用户名规则
                 .subConfig(RegexTestDataBean.class,"userName")
                 .stringRegex("[a-zA-Z_]{1}[a-z0-9_]{5,15}")
                 // 年龄
                 .subConfig(RegexTestDataBean.class,"userAge")
                 .numberRegex("[1-9]{1}\\d?")
                 // 用户现金
                 .subConfig(RegexTestDataBean.class,"userMoney")
                 .numberRegex("[1-9]{2}\\.\\d?")
                 // 用户的得分
                 .subConfig(RegexTestDataBean.class,"userScore")
                 .numberRegex("[1-9]{1}\\d{1}")
                 // 用户身价
                 .subConfig(RegexTestDataBean.class,"userValue")
                 .numberRegex("[1-9]{1}\\d{3,8}")
                 .globalConfig();

   }

循环依赖

public class AXB {
  private BXA BXA;
  private String name;
  //getter setter省略...
}
public class BXA {
  private AXB AXB;
  private String name;
  //getter setter省略...
}
@Test
public void testCircular() {
   AXB axb = JMockData.mock(AXB.class);
   AXB circularAxb = axb.getBXA().getAXB();
   assertSame(axb, circularAxb);
}

自依赖

public class SelfRefData {

  private Integer id;
  private String name;
  private SelfRefData parent;
  private Map<SelfRefData, SelfRefData> parentMap;
  private SelfRefData[] parentArray;
  private List<SelfRefData> list;
  private List<SelfRefData[]> listArray;
  private List<List<SelfRefData[]>> listListArray;
  private List<SelfRefData>[] arrayList;

  private SelfRefData[][][] data;
  private Map<SelfRefData, SelfRefData[]> mapArray;
  private Map<SelfRefData, List<SelfRefData>> mapList;
  private Map<SelfRefData, List<SelfRefData[]>> mapListArray;
  //getter setter省略...
}
@Test
public void testSelf() {
   SelfRefData selfRefData = JMockData.mock(SelfRefData.class);
   assertSame(selfRefData.getParent(), selfRefData);
}

泛型继承

//定义一个泛型父类
public class GenericData<A, B, C> {
  private A a;
  private B b;
  private C c;
  private A[] aArray;
  private List<B> bList;
  private Map<A, B> map;
  private List<C>[] cArray;
  private Map<Map<A, B>, List<C>>[] d;
  //getter setter省略...
}

@Test
public void testGenericData() {
    GenericData<Integer, String, BasicBean> genericData = JMockData.mock(new TypeReference<GenericData<Integer, String, BasicBean>>() {});
    assertNotNull(genericData);
  }

自定义Mocker类注册

MockConfig mockConfig = new MockConfig()
            .registerMocker(Mocker mocker, Class<T>... clazzs)

定义BeanMocker拦截器

通过实现接口BeanMockerInterceptor实现模拟bean时拦截功能，改变模拟行为

拦截器返回值类型说明:

  • 返回InterceptType.UNMOCK 不模拟, 排除此字段的模拟
  • 返回InterceptType.MOCK 自动模拟
  • 其他返回值，作为field的值通过反射注入
MockConfig mockConfig = new MockConfig()
           .registerBeanMockerInterceptor(new BeanMockerInterceptor() {...}) // 全局拦截
           .registerBeanMockerInterceptor(SimpleBean.class,new BeanMockerInterceptor<SimpleBean>() {...})// 类型拦截
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