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JUnit 4.13.2 Source Code Files
JUnit Source Code Files are provided in the
source package file, junit-4.13.2-sources.jar.
You can browse JUnit Source Code files below:
✍: FYIcenter.com
⏎ org/junit/runner/Description.java
package org.junit.runner; import java.io.Serializable; import java.lang.annotation.Annotation; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.concurrent.ConcurrentLinkedQueue; import java.util.regex.Matcher; import java.util.regex.Pattern; /** * A <code>Description</code> describes a test which is to be run or has been run. <code>Descriptions</code> * can be atomic (a single test) or compound (containing children tests). <code>Descriptions</code> are used * to provide feedback about the tests that are about to run (for example, the tree view * visible in many IDEs) or tests that have been run (for example, the failures view). * <p> * <code>Descriptions</code> are implemented as a single class rather than a Composite because * they are entirely informational. They contain no logic aside from counting their tests. * <p> * In the past, we used the raw {@link junit.framework.TestCase}s and {@link junit.framework.TestSuite}s * to display the tree of tests. This was no longer viable in JUnit 4 because atomic tests no longer have * a superclass below {@link Object}. We needed a way to pass a class and name together. Description * emerged from this. * * @see org.junit.runner.Request * @see org.junit.runner.Runner * @since 4.0 */ public class Description implements Serializable { private static final long serialVersionUID = 1L; private static final Pattern METHOD_AND_CLASS_NAME_PATTERN = Pattern .compile("([\\s\\S]*)\\((.*)\\)"); /** * Create a <code>Description</code> named <code>name</code>. * Generally, you will add children to this <code>Description</code>. * * @param name the name of the <code>Description</code> * @param annotations meta-data about the test, for downstream interpreters * @return a <code>Description</code> named <code>name</code> */ public static Description createSuiteDescription(String name, Annotation... annotations) { return new Description(null, name, annotations); } /** * Create a <code>Description</code> named <code>name</code>. * Generally, you will add children to this <code>Description</code>. * * @param name the name of the <code>Description</code> * @param uniqueId an arbitrary object used to define uniqueness (in {@link #equals(Object)} * @param annotations meta-data about the test, for downstream interpreters * @return a <code>Description</code> named <code>name</code> */ public static Description createSuiteDescription(String name, Serializable uniqueId, Annotation... annotations) { return new Description(null, name, uniqueId, annotations); } /** * Create a <code>Description</code> of a single test named <code>name</code> in the 'class' named * <code>className</code>. Generally, this will be a leaf <code>Description</code>. This method is a better choice * than {@link #createTestDescription(Class, String, Annotation...)} for test runners whose test cases are not * defined in an actual Java <code>Class</code>. * * @param className the class name of the test * @param name the name of the test (a method name for test annotated with {@link org.junit.Test}) * @param annotations meta-data about the test, for downstream interpreters * @return a <code>Description</code> named <code>name</code> */ public static Description createTestDescription(String className, String name, Annotation... annotations) { return new Description(null, formatDisplayName(name, className), annotations); } /** * Create a <code>Description</code> of a single test named <code>name</code> in the class <code>clazz</code>. * Generally, this will be a leaf <code>Description</code>. * * @param clazz the class of the test * @param name the name of the test (a method name for test annotated with {@link org.junit.Test}) * @param annotations meta-data about the test, for downstream interpreters * @return a <code>Description</code> named <code>name</code> */ public static Description createTestDescription(Class<?> clazz, String name, Annotation... annotations) { return new Description(clazz, formatDisplayName(name, clazz.getName()), annotations); } /** * Create a <code>Description</code> of a single test named <code>name</code> in the class <code>clazz</code>. * Generally, this will be a leaf <code>Description</code>. * (This remains for binary compatibility with clients of JUnit 4.3) * * @param clazz the class of the test * @param name the name of the test (a method name for test annotated with {@link org.junit.Test}) * @return a <code>Description</code> named <code>name</code> */ public static Description createTestDescription(Class<?> clazz, String name) { return new Description(clazz, formatDisplayName(name, clazz.getName())); } /** * Create a <code>Description</code> of a single test named <code>name</code> in the class <code>clazz</code>. * Generally, this will be a leaf <code>Description</code>. * * @param name the name of the test (a method name for test annotated with {@link org.junit.Test}) * @return a <code>Description</code> named <code>name</code> */ public static Description createTestDescription(String className, String name, Serializable uniqueId) { return new Description(null, formatDisplayName(name, className), uniqueId); } private static String formatDisplayName(String name, String className) { return String.format("%s(%s)", name, className); } /** * Create a <code>Description</code> named after <code>testClass</code> * * @param testClass A {@link Class} containing tests * @return a <code>Description</code> of <code>testClass</code> */ public static Description createSuiteDescription(Class<?> testClass) { return new Description(testClass, testClass.getName(), testClass.getAnnotations()); } /** * Create a <code>Description</code> named after <code>testClass</code> * * @param testClass A not null {@link Class} containing tests * @param annotations meta-data about the test, for downstream interpreters * @return a <code>Description</code> of <code>testClass</code> */ public static Description createSuiteDescription(Class<?> testClass, Annotation... annotations) { return new Description(testClass, testClass.getName(), annotations); } /** * Describes a Runner which runs no tests */ public static final Description EMPTY = new Description(null, "No Tests"); /** * Describes a step in the test-running mechanism that goes so wrong no * other description can be used (for example, an exception thrown from a Runner's * constructor */ public static final Description TEST_MECHANISM = new Description(null, "Test mechanism"); /* * We have to use the f prefix until the next major release to ensure * serialization compatibility. * See https://github.com/junit-team/junit4/issues/976 */ private final Collection<Description> fChildren = new ConcurrentLinkedQueue<Description>(); private final String fDisplayName; private final Serializable fUniqueId; private final Annotation[] fAnnotations; private volatile /* write-once */ Class<?> fTestClass; private Description(Class<?> clazz, String displayName, Annotation... annotations) { this(clazz, displayName, displayName, annotations); } private Description(Class<?> testClass, String displayName, Serializable uniqueId, Annotation... annotations) { if ((displayName == null) || (displayName.length() == 0)) { throw new IllegalArgumentException( "The display name must not be empty."); } if ((uniqueId == null)) { throw new IllegalArgumentException( "The unique id must not be null."); } this.fTestClass = testClass; this.fDisplayName = displayName; this.fUniqueId = uniqueId; this.fAnnotations = annotations; } /** * @return a user-understandable label */ public String getDisplayName() { return fDisplayName; } /** * Add <code>Description</code> as a child of the receiver. * * @param description the soon-to-be child. */ public void addChild(Description description) { fChildren.add(description); } /** * Gets the copy of the children of this {@code Description}. * Returns an empty list if there are no children. */ public ArrayList<Description> getChildren() { return new ArrayList<Description>(fChildren); } /** * @return <code>true</code> if the receiver is a suite */ public boolean isSuite() { return !isTest(); } /** * @return <code>true</code> if the receiver is an atomic test */ public boolean isTest() { return fChildren.isEmpty(); } /** * @return the total number of atomic tests in the receiver */ public int testCount() { if (isTest()) { return 1; } int result = 0; for (Description child : fChildren) { result += child.testCount(); } return result; } @Override public int hashCode() { return fUniqueId.hashCode(); } @Override public boolean equals(Object obj) { if (!(obj instanceof Description)) { return false; } Description d = (Description) obj; return fUniqueId.equals(d.fUniqueId); } @Override public String toString() { return getDisplayName(); } /** * @return true if this is a description of a Runner that runs no tests */ public boolean isEmpty() { return equals(EMPTY); } /** * @return a copy of this description, with no children (on the assumption that some of the * children will be added back) */ public Description childlessCopy() { return new Description(fTestClass, fDisplayName, fAnnotations); } /** * @return the annotation of type annotationType that is attached to this description node, * or null if none exists */ public <T extends Annotation> T getAnnotation(Class<T> annotationType) { for (Annotation each : fAnnotations) { if (each.annotationType().equals(annotationType)) { return annotationType.cast(each); } } return null; } /** * @return all of the annotations attached to this description node */ public Collection<Annotation> getAnnotations() { return Arrays.asList(fAnnotations); } /** * @return If this describes a method invocation, * the class of the test instance. */ public Class<?> getTestClass() { if (fTestClass != null) { return fTestClass; } String name = getClassName(); if (name == null) { return null; } try { fTestClass = Class.forName(name, false, getClass().getClassLoader()); return fTestClass; } catch (ClassNotFoundException e) { return null; } } /** * @return If this describes a method invocation, * the name of the class of the test instance */ public String getClassName() { return fTestClass != null ? fTestClass.getName() : methodAndClassNamePatternGroupOrDefault(2, toString()); } /** * @return If this describes a method invocation, * the name of the method (or null if not) */ public String getMethodName() { return methodAndClassNamePatternGroupOrDefault(1, null); } private String methodAndClassNamePatternGroupOrDefault(int group, String defaultString) { Matcher matcher = METHOD_AND_CLASS_NAME_PATTERN.matcher(toString()); return matcher.matches() ? matcher.group(group) : defaultString; } }
⏎ org/junit/runner/Description.java
Or download all of them as a single archive file:
File name: junit-4.13.2-sources.jar File size: 234540 bytes Release date: 2021-02-13 Download
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