我使用Java,Selenium,Junit,Maven开发了一整套的自动化测试。
对于每个测试,它们都有一个或多个@Category批注,描述每个测试涵盖的软件区域。例如:
@Test
@Category({com.example.core.categories.Priority1.class,
com.example.core.categories.Export.class,
com.example.core.categories.MemberData.class})
@Test
@Category({com.example.core.categories.Priority1.class,
com.example.core.categories.Import.class,
com.example.core.categories.MemberData.class})
@Test
@Ignore
@Category({com.example.core.categories.Priority2.class,
com.example.core.categories.Import.class,
com.example.core.categories.MemberData.class})
我正在尝试做的是找到一种方法来计算包含任何给定类别的测试数量。所有可能的类别都是
//com/example/core/categories
文件夹中的文件名作为源列表。我曾尝试构建一个shell脚本来进行字数统计,这似乎还可以,但是我认为还有更多的“内置”来处理@Category。
我最大的问题是,即使我得到了正确的计数,也很有可能将一个或多个测试标记为@Ignore,这应该使该测试@Category无效,但无需大量使用标志并逐行读取每个文件为了摆脱正确的计数。
有没有一种好方法可以逐项列出@Category,这也是@Ignore的因素?
示例输出
| Category | Count |
|----------------------------------------------|------:|
| com.example.core.categories.Export.class | 1 |
| com.example.core.categories.Import.class | 1 |
| com.example.core.categories.MemberData.class | 2 |
| com.example.core.categories.Priority1.class | 2 |
| com.example.core.categories.Priority2.class | 0 |
| com.example.core.categories.Priority3.class | 0 |
最佳答案
动态“按类别测试”计算机
(推荐方法)
我尝试了一种使用抽象层中的计数器执行此操作的方法,但是这很痛苦,必须在每个Test方法的开头添加源代码。
最后,这是我为满足您的需求而编写的源代码。它很繁重(反射...),但是它对现有源代码的干扰较小,可以完全满足您的需求。
首先,您必须创建一个Testsuite
(包含各种其他套件,或直接包含所有想要的Test类),以确保最后已装载了您想要统计的所有Test。
在此套件中,您必须实现一个名为@AfterClass
的“最终挂钩”,当整个测试套件已由 JUnit 完全管理时,它将被一次调用。
这是我为您编写的测试套件实现:
package misc.category;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Vector;
import java.util.concurrent.atomic.AtomicInteger;
import org.junit.AfterClass;
import org.junit.runner.RunWith;
import org.junit.runners.Suite;
@RunWith(Suite.class)
@Suite.SuiteClasses({ UnitTestWithCategory.class })
public class TestSuiteCountComputer {
public static final String MAIN_TEST_PACKAGES = "misc.category";
private static final Class<?>[] getClasses(final ClassLoader classLoader)
throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
Class<?> CL_class = classLoader.getClass();
while (CL_class != java.lang.ClassLoader.class) {
CL_class = CL_class.getSuperclass();
}
java.lang.reflect.Field ClassLoader_classes_field = CL_class.getDeclaredField("classes");
ClassLoader_classes_field.setAccessible(true);
Vector<?> classVector = (Vector<?>) ClassLoader_classes_field.get(classLoader);
Class<?>[] classes = new Class[classVector.size()]; // Creates an array to avoid concurrent modification
// exception.
return classVector.toArray(classes);
}
// Registers the information.
private static final void registerTest(Map<String, AtomicInteger> testByCategoryMap, String category) {
AtomicInteger count;
if (testByCategoryMap.containsKey(category)) {
count = testByCategoryMap.get(category);
} else {
count = new AtomicInteger(0);
testByCategoryMap.put(category, count);
}
count.incrementAndGet();
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
Map<String, AtomicInteger> testByCategoryMap = new HashMap<>();
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
while (classLoader != null) {
for (Class<?> classToCheck : getClasses(classLoader)) {
String packageName = classToCheck.getPackage() != null ? classToCheck.getPackage().getName() : "";
if (!packageName.startsWith(MAIN_TEST_PACKAGES))
continue;
// For each methods of the class.
for (Method method : classToCheck.getDeclaredMethods()) {
Class<?>[] categoryClassToRegister = null;
boolean ignored = false;
for (Annotation annotation : method.getAnnotations()) {
if (annotation instanceof org.junit.experimental.categories.Category) {
categoryClassToRegister = ((org.junit.experimental.categories.Category) annotation).value();
} else if (annotation instanceof org.junit.Ignore) {
ignored = true;
} else {
// Ignore this annotation.
continue;
}
}
if (ignored) {
// If you want to compute count of ignored test.
registerTest(testByCategoryMap, "(Ignored Tests)");
} else if (categoryClassToRegister != null) {
for (Class<?> categoryClass : categoryClassToRegister) {
registerTest(testByCategoryMap, categoryClass.getCanonicalName());
}
}
}
}
classLoader = classLoader.getParent();
}
System.out.println("\nFinal Statistics:");
System.out.println("Count of Tests\t\tCategory");
for (Entry<String, AtomicInteger> info : testByCategoryMap.entrySet()) {
System.out.println("\t" + info.getValue() + "\t\t" + info.getKey());
}
}
}
您可以适应您的需求,尤其是我在开始时创建的常数,以对软件包进行考虑。
这样一来,您只需要完成已有的工作即可。
例如,这是我很小的测试类:
package misc.category;
import org.junit.Test;
import org.junit.experimental.categories.Category;
public class UnitTestWithCategory {
@Category({CategoryA.class, CategoryB.class})
@Test
public final void Test() {
System.out.println("In Test 1");
}
@Category(CategoryA.class)
@Test
public final void Test2() {
System.out.println("In Test 2");
}
}
在这种情况下,输出为:
In Test 1
In Test 2
Final Statistics:
Count of Tests Category
1 misc.category.CategoryB
2 misc.category.CategoryA
并带有包含
@Ignore
批注的测试用例:package misc.category;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.experimental.categories.Category;
public class UnitTestWithCategory {
@Category({CategoryA.class, CategoryB.class})
@Test
public final void Test() {
System.out.println("In Test 1");
}
@Category(CategoryA.class)
@Test
public final void Test2() {
System.out.println("In Test 2");
}
@Category(CategoryA.class)
@Ignore
@Test
public final void Test3() {
System.out.println("In Test 3");
}
}
您将获得输出:
In Test 1
In Test 2
Final Statistics:
Count of Tests Category
1 (Ignored Tests)
1 misc.category.CategoryB
2 misc.category.CategoryA
您可以根据需要轻松删除“(已忽略的测试)”注册,并且当然可以根据需要调整输出。
最终版本的优点是,它将处理已经真正加载/执行的测试类,因此您将获得有关已执行内容的真实统计信息,而不是到目前为止的静态统计信息。
静态“按类别测试”计算机
如果您希望像您所要求的那样与现有源代码无关,那么这是一种静态执行“按类别测试”计算的方法。
这是我为您编写的
StaticTestWithCategoryCounter
:import java.io.File;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Vector;
import java.util.concurrent.atomic.AtomicInteger;
public class StaticTestWithCategoryCounter {
public static final String ROOT_DIR_TO_SCAN = "bin";
public static final String MAIN_TEST_PACKAGES = "misc.category";
private static final Class<?>[] getClasses(final ClassLoader classLoader)
throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
Class<?> CL_class = classLoader.getClass();
while (CL_class != java.lang.ClassLoader.class) {
CL_class = CL_class.getSuperclass();
}
java.lang.reflect.Field ClassLoader_classes_field = CL_class.getDeclaredField("classes");
ClassLoader_classes_field.setAccessible(true);
Vector<?> classVector = (Vector<?>) ClassLoader_classes_field.get(classLoader);
Class<?>[] classes = new Class[classVector.size()]; // Creates an array to avoid concurrent modification
// exception.
return classVector.toArray(classes);
}
// Registers the information.
private static final void registerTest(Map<String, AtomicInteger> testByCategoryMap, String category) {
AtomicInteger count;
if (testByCategoryMap.containsKey(category)) {
count = testByCategoryMap.get(category);
} else {
count = new AtomicInteger(0);
testByCategoryMap.put(category, count);
}
count.incrementAndGet();
}
public static void computeCategoryCounters() throws Exception {
Map<String, AtomicInteger> testByCategoryMap = new HashMap<>();
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
while (classLoader != null) {
for (Class<?> classToCheck : getClasses(classLoader)) {
String packageName = classToCheck.getPackage() != null ? classToCheck.getPackage().getName() : "";
if (!packageName.startsWith(MAIN_TEST_PACKAGES))
continue;
// For each methods of the class.
for (Method method : classToCheck.getDeclaredMethods()) {
Class<?>[] categoryClassToRegister = null;
boolean ignored = false;
for (Annotation annotation : method.getAnnotations()) {
if (annotation instanceof org.junit.experimental.categories.Category) {
categoryClassToRegister = ((org.junit.experimental.categories.Category) annotation).value();
} else if (annotation instanceof org.junit.Ignore) {
ignored = true;
} else {
// Ignore this annotation.
continue;
}
}
if (ignored) {
// If you want to compute count of ignored test.
registerTest(testByCategoryMap, "(Ignored Tests)");
} else if (categoryClassToRegister != null) {
for (Class<?> categoryClass : categoryClassToRegister) {
registerTest(testByCategoryMap, categoryClass.getCanonicalName());
}
}
}
}
classLoader = classLoader.getParent();
}
System.out.println("\nFinal Statistics:");
System.out.println("Count of Tests\t\tCategory");
for (Entry<String, AtomicInteger> info : testByCategoryMap.entrySet()) {
System.out.println("\t" + info.getValue() + "\t\t" + info.getKey());
}
}
public static List<String> listNameOfAvailableClasses(String rootDirectory, File directory, String packageName) throws ClassNotFoundException {
List<String> classeNameList = new ArrayList<>();
if (!directory.exists()) {
return classeNameList;
}
File[] files = directory.listFiles();
for (File file : files) {
if (file.isDirectory()) {
if (file.getName().contains("."))
continue;
classeNameList.addAll(listNameOfAvailableClasses(rootDirectory, file, packageName));
} else if (file.getName().endsWith(".class")) {
String qualifiedName = file.getPath().substring(rootDirectory.length() + 1);
qualifiedName = qualifiedName.substring(0, qualifiedName.length() - 6).replaceAll(File.separator, ".");
if (packageName ==null || qualifiedName.startsWith(packageName))
classeNameList.add(qualifiedName);
}
}
return classeNameList;
}
public static List<Class<?>> loadAllAvailableClasses(String rootDirectory, String packageName) throws ClassNotFoundException {
List<String> classeNameList = listNameOfAvailableClasses(rootDirectory, new File(rootDirectory), packageName);
List<Class<?>> classes = new ArrayList<>();
for (final String className: classeNameList) {
classes.add(Class.forName(className));
}
return classes;
}
public static void main(String[] args) {
try {
loadAllAvailableClasses(ROOT_DIR_TO_SCAN, MAIN_TEST_PACKAGES);
computeCategoryCounters();
} catch (Exception e) {
e.printStackTrace();
}
}
}
您只需要在开始指定两个常量时就对其进行调整即可:
null
以考虑100%可用的程序包)这个新版本的想法是:
让我知道您是否需要更多信息。