JunitParams在Android 19及更低版本上运行检测测试的例外情况

Question

Description

我在Android 19及更低版本上使用JunitParams运行程序时遇到异常。

Steps to Reproduce

1. 编写简单的测试套件，并使用最新的Android测试支持库在Android 19或更低版本上执行

Code

以下测试套件将重现该问题

@RunWith(JUnitParamsRunner.class)
public class SimpleTest {
    @Test
    @Parameters({ "false", "true" })
    public void simpleParameterizedTest(boolean enabled) {
        // Should execute and pass
    }
}

Expected Behavior

测试应该执行并通过。

Actual Behavior

没有运行测试，因为“没有找到测试”

Logs

我检查了日志，发现以下异常。

09-07 12:17:01.187 3338-3355/com.twilio.video.test W/dalvikvm: Exception Ljava/util/regex/PatternSyntaxException; thrown while initializing Ljunitparams/naming/MacroSubstitutionNamingStrategy;
09-07 12:17:01.187 3338-3355/com.twilio.video.test E/TestExecutor: Fatal exception when running tests
                                                                   java.lang.ExceptionInInitializerError
                                                                       at junitparams.internal.TestMethod$1.computeValue(TestMethod.java:40)
                                                                       at junitparams.internal.TestMethod$1.computeValue(TestMethod.java:35)
                                                                       at junitparams.internal.Memoizer.get(Memoizer.java:11)
                                                                       at junitparams.internal.TestMethod.describe(TestMethod.java:116)
                                                                       at junitparams.internal.ParameterisedTestClassRunner.describeParameterisedMethod(ParameterisedTestClassRunner.java:161)
                                                                       at junitparams.JUnitParamsRunner.describeMethod(JUnitParamsRunner.java:502)
                                                                       at junitparams.internal.ParametrizedTestMethodsFilter.filteredMethods(ParametrizedTestMethodsFilter.java:30)
                                                                       at junitparams.JUnitParamsRunner.getListOfMethods(JUnitParamsRunner.java:498)
                                                                       at junitparams.JUnitParamsRunner.getDescription(JUnitParamsRunner.java:487)
                                                                       at org.junit.runners.Suite.describeChild(Suite.java:123)
                                                                       at org.junit.runners.Suite.describeChild(Suite.java:27)
                                                                       at org.junit.runners.ParentRunner.shouldRun(ParentRunner.java:434)
                                                                       at org.junit.runners.ParentRunner.filter(ParentRunner.java:382)
                                                                       at org.junit.runner.manipulation.Filter.apply(Filter.java:97)
                                                                       at android.support.test.internal.runner.TestRequestBuilder$LenientFilterRequest.getRunner(TestRequestBuilder.java:413)
                                                                       at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
                                                                       at android.support.test.internal.runner.TestExecutor.execute(TestExecutor.java:58)
                                                                       at android.support.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:375)
                                                                       at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1701)
                                                                    Caused by: java.util.regex.PatternSyntaxException: Look-behind pattern matches must have a bounded maximum length near index 40:
                                                                   (?=\{[^\}]{0,50}\})|(?<=\{[^\}]{0,50}\})
                                                                                                           ^
                                                                       at java.util.regex.Pattern.compileImpl(Native Method)
                                                                       at java.util.regex.Pattern.compile(Pattern.java:411)
                                                                       at java.util.regex.Pattern.<init>(Pattern.java:394)
                                                                       at java.util.regex.Pattern.compile(Pattern.java:381)
                                                                       at junitparams.naming.MacroSubstitutionNamingStrategy.<clinit>(MacroSubstitutionNamingStrategy.java:13)
                                                                        ... 19 more

Versions

这是我的build.gradle文件的片段。

androidTestCompile 'pl.pragmatists:JUnitParams:1.1.0'
androidTestCompile 'com.android.support.test.espresso:espresso-core:3.0.1'
androidTestCompile 'com.android.support.test:runner:1.0.1'
androidTestCompile 'com.android.support.test:rules:1.0.1'
androidTestCompile 'com.android.support.test.uiautomator:uiautomator-v18:2.1.2'

Answer 1

我们刚刚在JUnitParams中解决了这个问题并发布了新版本。

现在您可以获取最新版本并开始在Android 19及更低版本中使用它！

androidTestCompile 'pl.pragmatists:JUnitParams:1.1.1'

Answer 2

在较新版本的Studio中，您需要编写：

testImplementation 'pl.pragmatists:JUnitParams:1.1.1'

但不是androidTestImplementation ...不起作用。