gradle compileJava错误：软件包org.junit不存在 [英] gradle compileJava error: package org.junit does not exist

问题描述

我试图用gradle实现一个简单的junit测试，并运行 gradle test 时遇到以下问题：

 ：compileJava 
 /Users/wogsland/Projects/gradling/src/test/CalculatorTest.java:1：错误：程序包org.junit不存在
 import static org.junit.Assert.assertEquals; 
 ^ 
 /Users/wogsland/Projects/gradling/src/test/CalculatorTest.java:1：错误：静态仅从类和接口导入
导入静态org.junit.Assert.assertEquals ; 
 ^ 
 /Users/wogsland/Projects/gradling/src/test/CalculatorTest.java:2：error：package org.junit does not exist 
 import org.junit.Test; 
 ^ 
 /Users/wogsland/Projects/gradling/src/test/CalculatorTest.java:5：错误：找不到符号
 @Test 
 ^ 
符号： class Test 
 location：class CalculatorTest 
 /Users/wogsland/Projects/gradling/src/test/CalculatorTest.java:9：错误：找不到符号
 assertEquals（6，sum）; 
 $ 
符号：方法assertEquals（int，int）
位置：类CalculatorTest 
 5错误
：compileJava失败
 
失败：构建例外失败。 
 
 *出错：
任务'compileJava'的执行失败。 
编译失败;详细信息请参阅编译器错误输出。 
  

所以我得到了这个 build.gradle file：

  apply plugin：'java'
 
 dependencies {
 testCompile'junit ：junit：4.12'
} 
 
 sourceSets {
 main {
 java {
 srcDir'src'
} 
} 
 
  

和 CalculatorTest.java ：

  import static org.junit.Assert.assertEquals; 
 import org.junit.Test; 
 
 public class CalculatorTest {
 @Test 
 public void evaluatesExpression（）{
 Calculator calculator = new Calculator（）; 
 int sum = calculator.evaluate（1 + 2 + 3）; 
 assertEquals（6，sum）; 
 
 
 $ / code $ / pre 
 
但我找不出为什么找不到junit当我将它包含在依赖关系中。
解决方案
显然，我需要添加一个编译依赖项，然后声明 repositories 。我的新版 build.gradle 成功运行测试：
  apply plugin ：'java'
 
 repositories {jcenter（）} 
 dependencies {
 testCompile'junit：junit：4.12'
 compile'junit：junit：4.12'
 
 
 sourceSets {
 main {
 java {
 srcDir'src'
} 
} 
} 
  
 
I'm trying to implement a simple junit test using gradle and running into the following issue when I run gradle test:
:compileJava
/Users/wogsland/Projects/gradling/src/test/CalculatorTest.java:1: error: package org.junit does not exist
import static org.junit.Assert.assertEquals;
                       ^
/Users/wogsland/Projects/gradling/src/test/CalculatorTest.java:1: error: static import only from classes and interfaces
import static org.junit.Assert.assertEquals;
^
/Users/wogsland/Projects/gradling/src/test/CalculatorTest.java:2: error: package org.junit does not exist
import org.junit.Test;
                ^
/Users/wogsland/Projects/gradling/src/test/CalculatorTest.java:5: error: cannot find symbol
  @Test
   ^
  symbol:   class Test
  location: class CalculatorTest
/Users/wogsland/Projects/gradling/src/test/CalculatorTest.java:9: error: cannot find symbol
    assertEquals(6, sum);
    ^
  symbol:   method assertEquals(int,int)
  location: class CalculatorTest
5 errors
:compileJava FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileJava'.
Compilation failed; see the compiler error output for details.
So I've got this build.gradle file:
apply plugin: 'java'

dependencies {
    testCompile 'junit:junit:4.12'
}

sourceSets {
  main {
    java {
      srcDir 'src'
    }
  }
}
And CalculatorTest.java:
import static org.junit.Assert.assertEquals;
import org.junit.Test;

public class CalculatorTest {
  @Test
  public void evaluatesExpression() {
    Calculator calculator = new Calculator();
    int sum = calculator.evaluate("1+2+3");
    assertEquals(6, sum);
  }
}
But I can't figure out why it's not finding junit when I've got it included in the dependencies.
解决方案
So apparently I needed to add a compile dependency and then also declare repositories. My new build.gradle that successfully runs the test:
apply plugin: 'java'

repositories { jcenter() }
dependencies {
    testCompile 'junit:junit:4.12'
    compile 'junit:junit:4.12'
}

sourceSets {
    main {
        java {
            srcDir 'src'
        }
    }
}


                        
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