SonarQube,JaCoCo :(应为22个条件中的11个,当应为3(或4)时]

问题描述 投票:0回答:1

我对SonarQube如何计算测试涵盖的条件一无所知。

使用的工具版本:* JaCoCo 0.8.1* SonarQube 7.4

这是我的常规代码

    boolean condition1(boolean b1, boolean b2) {
        !b1 || !b2
    }

    boolean condition2(boolean b1, boolean b2) {
        b1 || b2
    }

    boolean condition3(boolean b1, boolean b2) {
        !b1 && !b2
    }

    boolean condition4(boolean b1, boolean b2) {
        b1 && b2
    }

    boolean condition5(boolean b1, boolean b2) {
        b1 && !b2
    }

    boolean condition6(boolean b1, boolean b2, boolean b3) {
        b1 && b2 && b3
    }

这里是测试

    void "test condition 1"() {
        expect:
        service.condition1(c1,c2)

        where:
        c1    | c2
        true  | true
        true  | false
        false | true
        false | false
    }

    void "test condition 2"() {
        expect:
        service.condition2(c1,c2)

        where:
        c1    | c2
        true  | true
        true  | false
        false | true
        false | false
    }

    void "test condition 3"() {
        expect:
        service.condition3(c1,c2)

        where:
        c1    | c2
        true  | true
        true  | false
        false | true
        false | false
    }

    void "test condition 4"() {
        expect:
        service.condition4(c1,c2)

        where:
        c1    | c2
        true  | true
        true  | false
        false | true
        false | false
    }

    void "test condition 5"() {
        expect:
        service.condition5(c1,c2)

        where:
        c1    | c2
        true  | true
        true  | false
        false | true
        false | false
    }

    void "test condition 6"() {
        expect:
        service.condition6(c1, c2, c3)

        where:
        c1    | c2    | c3
        true  | true  | true
        true  | true  | false
        true  | false | true
        true  | false | false
        false | true  | true
        false | true  | false
        false | true  | true
        false | true  | false
        false | false | false
    }

代码覆盖率报告说不满足那些条件,以下是我获得的唯一信息

condition1. (11 of 22 conditions)
condition2. (7 of 14 conditions)
condition3. (11 of 22 conditions)
condition4. (7 of 14 conditions)
condition5. (9 of 18 conditions)
condition6. (11 of 22 conditions)

这虽然我从逻辑上相信,但我无法达到涵盖测试的100%。

我知道SonarQube文档https://docs.sonarqube.org/latest/user-guide/metric-definitions/它说的是

在包含某些布尔表达式的每一行代码中,条件覆盖率仅回答以下问题:'每个布尔表达式都被评估为true和false吗?'。这是在单元测试执行期间遵循的流量控制结构中可能条件的密度]

任何人都知道这实际上是如何工作的,以及我在这里做错了什么?

gradle groovy sonarqube jacoco
1个回答
0
投票

来自类似问题(例如“ Why is JaCoCo not covering my String switch statements?”和“ How does assert groupType != null contain 4 branches”))>

JaCoCo执行字节码分析

因此类似-看一下字节码。

对于Example.groovy

class Example {
    boolean condition2(boolean b1, boolean b2) {
        b1 || b2
    }
}

Groovy编译器(groovyc --version

Groovy compiler version 3.0.0-rc-1
Copyright 2003-2019 The Apache Software Foundation. http://groovy-lang.org/

产生(groovyc Example.groovy)以下字节码(javap -v -p Example.class

  public boolean condition2(boolean, boolean);
    descriptor: (ZZ)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=4, args_size=3
         0: invokestatic  #20                 // Method $getCallSiteArray:()[Lorg/codehaus/groovy/runtime/callsite/CallSite;
         3: astore_3
         4: invokestatic  #38                 // Method org/codehaus/groovy/runtime/BytecodeInterface8.isOrigZ:()Z
         7: ifeq          25
        10: getstatic     #40                 // Field __$stMC:Z
        13: ifne          25
        16: invokestatic  #43                 // Method org/codehaus/groovy/runtime/BytecodeInterface8.disabledStandardMetaClass:()Z
        19: ifne          25
        22: goto          42
        25: iload_1
        26: ifne          33
        29: iload_2
        30: ifeq          37
        33: iconst_1
        34: goto          38
        37: iconst_0
        38: ireturn
        39: nop
        40: nop
        41: athrow
        42: iload_1
        43: ifne          50
        46: iload_2
        47: ifeq          54
        50: iconst_1
        51: goto          55
        54: iconst_0
        55: ireturn
        56: nop
        57: nop
        58: nop
        59: nop
        60: nop
        61: nop
        62: nop
        63: nop
        64: athrow
      LineNumberTable:
        line 2: 4
        line 3: 25
        line 4: 39
        line 3: 42
        line 4: 56
      LocalVariableTable:
        Start  Length  Slot  Name   Signature
            0      56     0  this   LExample;
            0      56     1    b1   Z
            0      56     2    b2   Z

包含14个分支(每个条件跳转指令ifeqifne每个分支2个分支),并且您的测试仅覆盖其中的一半(执行路径,偏移量ifeq的第一个7跳转到偏移量25 ),这与JaCoCo报告的内容完全一致,因此显示在SonarQube中。

下面的讨论似乎在这里很重要-http://groovy.329449.n5.nabble.com/Branch-coverage-issues-td5686725.html,因为使用--indy选项(groovyc --indy Example.groovy)对其进行编译会产生以下字节码

  public boolean condition2(boolean, boolean);
    descriptor: (ZZ)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=3
         0: iload_1
         1: ifne          8
         4: iload_2
         5: ifeq          12
         8: iconst_1
         9: goto          13
        12: iconst_0
        13: ireturn
        14: nop
        15: nop
        16: nop
        17: nop
        18: nop
        19: nop
        20: nop
        21: nop
        22: athrow
      LineNumberTable:
        line 3: 0
        line 4: 14
      LocalVariableTable:
        Start  Length  Slot  Name   Signature
            0      14     0  this   LExample;
            0      14     1    b1   Z
            0      14     2    b2   Z

仅包含四个分支。

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