All Classes

Class	Description
After	If you allocate external resources in a Before method you need to release them after the test runs.
AfterClass	If you allocate expensive external resources in a BeforeClass method you need to release them after all the tests in the class have run.
AllTests	Runner for use with JUnit 3.8.x-style AllTests classes (those that only implement a static suite() method).
Alphanumeric	A sorter that orders tests alphanumerically by test name.
Annotatable	A model element that may have annotations.
AnnotationsValidator	An AnnotationsValidator validates all annotations of a test class, including its annotated fields and methods.
AnnotationValidator	Validates annotations on classes and methods.
AnnotationValidatorFactory	Creates instances of Annotation Validators.
Assert	A set of assertion methods useful for writing tests.
Assume	A set of methods useful for stating assumptions about the conditions in which a test is meaningful.
AssumptionViolatedException	An exception class used to implement assumptions (state in which a given test is meaningful and should or should not be executed).
Before	When writing tests, it is common to find that several tests need similar objects created before they can run.
BeforeClass	Sometimes several tests need to share computationally expensive setup (like logging into a database).
BlockJUnit4ClassRunner	Implements the JUnit 4 standard test case class model, as defined by the annotations in the org.junit package.
BlockJUnit4ClassRunnerWithParameters	A BlockJUnit4ClassRunner with parameters support.
BlockJUnit4ClassRunnerWithParametersFactory	A ParametersRunnerFactory that creates BlockJUnit4ClassRunnerWithParameters.
Categories	From a given set of test classes, runs only the classes and methods that are annotated with either the category given with the @IncludeCategory annotation, or a subtype of that category.
Categories.CategoryFilter
Categories.ExcludeCategory
Categories.IncludeCategory
Category	Marks a test class or test method as belonging to one or more categories of tests.
CategoryValidator	Validates that there are no errors in the use of the Category annotation.
ClassRule	Annotates static fields that reference rules or methods that return them.
ComparisonFailure	Thrown when an assertEquals(String, String) fails.
Computer	Represents a strategy for computing runners and suites.
CouldNotReadCoreException	Thrown when Max cannot read the MaxCore serialization
DataPoint	Annotating an field or method with @DataPoint will cause the field value or the value returned by the method to be used as a potential parameter for theories in that class, when run with the Theories runner.
DataPoints	Annotating an array or iterable-typed field or method with @DataPoints will cause the values in the array or iterable given to be used as potential parameters for theories in that class when run with the Theories runner.
Describable	Represents an object that can describe itself
Description	A Description describes a test which is to be run or has been run.
DisableOnDebug	The DisableOnDebug Rule allows you to label certain rules to be disabled when debugging.
Enclosed	If you put tests in inner classes, Ant, for example, won't find them.
ErrorCollector	The ErrorCollector rule allows execution of a test to continue after the first problem is found (for example, to collect _all_ the incorrect rows in a table, and report them all at once):
ExcludeCategories	FilterFactory to exclude categories.
ExpectedException	The ExpectedException rule allows you to verify that your code throws a specific exception.
ExternalResource	A base class for Rules (like TemporaryFolder) that set up an external resource before a test (a file, socket, server, database connection, etc.), and guarantee to tear it down afterward:
Failure	A Failure holds a description of the failed test and the exception that was thrown while running it.
Filter	The canonical case of filtering is when you want to run a single test method in a class.
Filterable	Runners that allow filtering should implement this interface.
FilterFactory	Extend this class to create a factory that creates Filter.
FilterFactory.FilterNotCreatedException	Exception thrown if the Filter cannot be created.
FilterFactoryParams
FixMethodOrder	This class allows the user to choose the order of execution of the methods within a test class.
FrameworkField	Represents a field on a test class (currently used only for Rules in BlockJUnit4ClassRunner, but custom runners can make other uses)
FrameworkMember<T extends FrameworkMember<T>>	Parent class for FrameworkField and FrameworkMethod
FrameworkMethod	Represents a method on a test class to be invoked at the appropriate point in test execution.
FromDataPoints	Annotating a parameter of a @Theory method with @FromDataPoints will limit the datapoints considered as potential values for that parameter to just the DataPoints with the given name.
Ignore	Sometimes you want to temporarily disable a test or a group of tests.
IncludeCategories	FilterFactory to include categories.
InitializationError	Represents one or more problems encountered while initializing a Runner
InvalidOrderingException	Thrown when an ordering does something invalid (like remove or add children)
InvalidTestClassError	Thrown by Runners in case the class under test is not valid.
JUnit4	Aliases the current default JUnit 4 class runner, for future-proofing.
JUnitCore	JUnitCore is a facade for running tests.
JUnitMatchers	Convenience import class: these are useful matchers for use with the assertThat method, but they are not currently included in the basic CoreMatchers class from hamcrest.
MaxCore	A replacement for JUnitCore, which keeps track of runtime and failure history, and reorders tests to maximize the chances that a failing test occurs early in the test run.
MaxHistory	Stores a subset of the history of each test: Last failure timestamp Duration of last execution
MemberValueConsumer<T>	Represents a receiver for values of annotated fields/methods together with the declaring member.
MethodRule	A MethodRule is an alteration in how a test method is run and reported.
MethodSorters	Sort the methods into a specified execution order.
MultipleFailureException	Collects multiple Throwables into one exception.
NoTestsRemainException	Thrown when a filter removes all tests from a runner.
Orderable	Interface for runners that allow ordering of tests.
Orderer	Orders tests.
Ordering	Reorders tests.
Ordering.Context	Context about the ordering being applied.
Ordering.Factory	Factory for creating Ordering instances.
OrderWith	When a test class is annotated with @OrderWith or extends a class annotated with @OrderWith, JUnit will order the tests in the test class (and child test classes, if any) using the ordering defined by the Ordering class.
OrderWithValidator	Validates that there are no errors in the use of the OrderWith annotation.
ParallelComputer
Parameterized	The custom runner Parameterized implements parameterized tests.
Parameterized.AfterParam	Annotation for public static void methods which should be executed after evaluating tests with particular parameters.
Parameterized.BeforeParam	Annotation for public static void methods which should be executed before evaluating tests with particular parameters.
Parameterized.Parameter	Annotation for fields of the test class which will be initialized by the method annotated by Parameters.
Parameterized.Parameters	Annotation for a method which provides parameters to be injected into the test class constructor by Parameterized.
Parameterized.UseParametersRunnerFactory	Add this annotation to your test class if you want to generate a special runner.
ParameterSignature
ParametersRunnerFactory	A ParametersRunnerFactory creates a runner for a single TestWithParameters.
ParametersSuppliedBy	Annotating a Theory method parameter with @ParametersSuppliedBy causes it to be supplied with values from the named ParameterSupplier when run as a theory by the Theories runner.
ParameterSupplier	Abstract parent class for suppliers of input data points for theories.
ParentRunner<T>	Provides most of the functionality specific to a Runner that implements a "parent node" in the test tree, with children defined by objects of some data type T.
PotentialAssignment
PotentialAssignment.CouldNotGenerateValueException
PrintableResult	A test result that prints nicely in error messages.
PublicClassValidator	Validates that a TestClass is public.
Request	A Request is an abstract description of tests to be run.
Result	A Result collects and summarizes information from running multiple tests.
ResultMatchers	Matchers on a PrintableResult, to enable JUnit self-tests.
Rule	Annotates fields that reference rules or methods that return a rule.
RuleChain	The RuleChain can be used for creating composite rules.
RunListener	Register an instance of this class with RunNotifier to be notified of events that occur during a test run.
RunListener.ThreadSafe	Indicates a RunListener that can have its methods called concurrently.
Runner	A Runner runs tests and notifies a RunNotifier of significant events as it does so.
RunnerBuilder	A RunnerBuilder is a strategy for constructing runners for classes.
RunnerScheduler	Represents a strategy for scheduling when individual test methods should be run (in serial or parallel) WARNING: still experimental, may go away.
RunNotifier	If you write custom runners, you may need to notify JUnit of your progress running tests.
RunRules	Runs a collection of rules on a statement.
RunWith	When a class is annotated with @RunWith or extends a class annotated with @RunWith, JUnit will invoke the class it references to run the tests in that class instead of the runner built into JUnit.
Sortable	Interface for runners that allow sorting of tests.
Sorter	A Sorter orders tests.
Statement	Represents one or more actions to be taken at runtime in the course of running a JUnit test suite.
StoppedByUserException	Thrown when a user has requested that the test run stop.
Stopwatch	The Stopwatch Rule notifies one of its own protected methods of the time spent by a test.
Suite	Using Suite as a runner allows you to manually build a suite containing tests from many classes.
Suite.SuiteClasses	The SuiteClasses annotation specifies the classes to be run when a class annotated with @RunWith(Suite.class) is run.
TemporaryFolder	The TemporaryFolder Rule allows creation of files and folders that should be deleted when the test method finishes (whether it passes or fails).
TemporaryFolder.Builder	Builds an instance of TemporaryFolder.
Test	The Test annotation tells JUnit that the public void method to which it is attached can be run as a test case.
Test.None	Default empty exception.
TestClass	Wraps a class to be run, providing method validation and annotation searching
TestClassValidator	Validates a single facet of a test class.
TestCouldNotBeSkippedException	Indicates that a test that indicated that it should be skipped could not be skipped.
TestedOn	Annotating a Theory method int parameter with @TestedOn causes it to be supplied with values from the ints array given when run as a theory by the Theories runner.
TestedOnSupplier
TestName	The TestName Rule makes the current test name available inside test methods:
TestRule	A TestRule is an alteration in how a test method, or set of test methods, is run and reported.
TestTimedOutException	Exception thrown when a test fails on timeout.
TestWatcher	TestWatcher is a base class for Rules that take note of the testing action, without modifying it.
TestWatchman	Deprecated. Use TestWatcher (which implements TestRule) instead.
TestWithParameters	A TestWithParameters keeps the data together that are needed for creating a runner for a single data set of a parameterized test.
Theories	The Theories runner allows to test a certain functionality against a subset of an infinite set of data points.
Theories.TheoryAnchor
Theory	Marks test methods that should be read as theories by the Theories runner.
ThrowingRunnable	This interface facilitates the use of Assert.assertThrows(Class, ThrowingRunnable) from Java 8.
Timeout	The Timeout Rule applies the same timeout to all test methods in a class:
Timeout.Builder	Builder for Timeout.
ValidateWith	Allows for an AnnotationValidator to be attached to an annotation.
Verifier	Verifier is a base class for Rules like ErrorCollector, which can turn otherwise passing test methods into failing tests if a verification check is failed