Filter (JUnit API)

Junit

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org.junit.runner.manipulation Class Filter

java.lang.Object
  org.junit.runner.manipulation.Filter

public abstract class Filter
extends Object

The canonical case of filtering is when you want to run a single test method in a class. Rather than introduce runner API just for that one case, JUnit provides a general filtering mechanism. If you want to filter the tests to be run, extend Filter and apply an instance of your filter to the Request before running it (see JUnitCore.run(Request). Alternatively, apply a Filter to a Runner before running tests (for example, in conjunction with RunWith.

字段摘要
`static Filter`	`ALL` A null `Filter` that passes all tests through.

构造器摘要
`Filter()`

方法摘要
`void`	`apply(Object child)` Invoke with a `Runner` to cause all tests it intends to run to first be checked with the filter.
`abstract String`	`describe()` Returns a textual description of this Filter
`static Filter`	`matchMethodDescription(Description desiredDescription)` Returns a `Filter` that only runs the single method described by `desiredDescription`
`abstract boolean`	`shouldRun(Description description)`

类方法继承： java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

字段详细信息

ALL

public static Filter ALL

A null Filter that passes all tests through.

构造器详细信息

Filter

public Filter()

方法详细信息

matchMethodDescription

public static Filter matchMethodDescription(Description desiredDescription)

Returns a Filter that only runs the single method described by desiredDescription

shouldRun

public abstract boolean shouldRun(Description description)

参数:: description - the description of the test to be run
返回:: true if the test should be run

describe

public abstract String describe()

Returns a textual description of this Filter

返回:: a textual description of this Filter

apply

public void apply(Object child)
           throws NoTestsRemainException

Invoke with a Runner to cause all tests it intends to run to first be checked with the filter. Only those that pass the filter will be run.

参数:: child - the runner to be filtered by the receiver
抛出异常:: NoTestsRemainException - if the receiver removes all tests

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