android如何在单元测试和仪器测试之间共享资源?

How to share resources between unit test and instrumentation test in android?

我正在关注此 post、http://blog.danlew.net/2015/11/02/sharing-code-between-unit-tests-and-instrumentation-tests-on-android/, to share code, but how to share an asset?, like a fixture file?, I want to mock an api response, so I have a JSON file to do it, but I try this: https://gist.github.com/nebiros/91a68aaf6995fa635507

在单元测试中,这有效:

ClassLoader.getSystemResourceAsStream("some_response.json");

但是在Android Intrumentation Tests 中,它没有,我可以把这些fixture 文件放在哪里?

我找到了这种方式,可以共享从 testandroidTest 的夹具文件:

  • 将您的夹具文件添加到 testresources 文件夹中,此处:src/test/resources
  • test 资源文件夹添加到 androidTestresources.srcDirs += ['src/test/resources'],这是一个示例:

    android {
        sourceSets {
            String sharedTestJavaDir = 'src/sharedTest/java'
    
            test {
                java.srcDirs += [sharedTestJavaDir]
            }
    
            androidTest {
                java.srcDirs += [sharedTestJavaDir]
                resources.srcDirs += ['src/test/resources']
            }
        }
    }
    
  • 以这种方式从您的 androidTest 环境访问夹具文件:this.getClass().getClassLoader().getResourceAsStream(filename);