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JUnit: eliminate classes with no @Test annotations.

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Otherwise, JUnit 4 throws :-(
This commit is contained in:
Cedric Beust 2015-12-26 10:24:47 +04:00
parent f34a220ff4
commit ddbe2e376e
2 changed files with 17 additions and 4 deletions
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10
modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/GenericRunner.kt
View file

@ -25,7 +25,8 @@ abstract class GenericTestRunner : ITestRunnerContributor {
if (project.testDependencies.any { it.id.contains(dependencyName)}) IAffinity.DEFAULT_POSITIVE_AFFINITY
else 0
protected fun findTestClasses(project: Project, classpath: List<IClasspathDependency>): List<String> {
protected fun findTestClasses(project: Project, classpath: List<IClasspathDependency>,
classFilter : (Class<*>) -> Boolean = {true}): List<String> {
val path = KFiles.joinDir(project.directory, project.buildDirectory, KFiles.TEST_CLASSES_DIR)
val result = KFiles.findRecursively(File(path), arrayListOf(File(".")), {
file -> file.endsWith(".class")
@ -36,8 +37,11 @@ abstract class GenericTestRunner : ITestRunnerContributor {
// Only keep classes with a parameterless constructor
val urls = arrayOf(File(path).toURI().toURL()) +
classpath.map { it.jarFile.get().toURI().toURL() }
URLClassLoader(urls).loadClass(it).getConstructor()
true
val cl = URLClassLoader(urls).loadClass(it)
val constructor = cl.getConstructor()
// If we get past this, we have a default constructor
classFilter(cl)
} catch(ex: Exception) {
log(2, "Skipping non test class $it: ${ex.message}")
false

11
modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/JUnitRunner.kt
View file

@ -9,6 +9,15 @@ open public class JUnitRunner() : GenericTestRunner() {
override val dependencyName = "junit"
override fun args(project: Project, classpath: List<IClasspathDependency>) = findTestClasses(project, classpath)
override fun args(project: Project, classpath: List<IClasspathDependency>)
= findTestClasses(project, classpath) {
// Only return a class if it contains at least one @Test method, otherwise
// JUnit 4 throws an exception :-(
it.declaredMethods.flatMap {
it.annotations.toList()
}.filter {
ann: Annotation -> ann.javaClass.name.contains("Test")
}.size > 0
}
}