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org.scalatest.concurrent

DeprecatedTimeLimitedTests

trait DeprecatedTimeLimitedTests extends TestSuiteMixin

Trait that when mixed into a suite class establishes a time limit for its tests.

This trait overrides withFixture, wrapping a super.withFixture(test) call in a failAfter invocation, specifying a timeout obtained by invoking timeLimit and an Interruptor by invoking defaultTestInterruptor:

failAfter(timeLimit) {
  super.withFixture(test)
} (defaultTestInterruptor)

Note that the failAfter method executes the body of the by-name passed to it using the same thread that invoked failAfter. This means that the same thread will run the withFixture method as well as each test, so no extra synchronization is required. A second thread is used to run a timer, and if the timeout expires, that second thread will attempt to interrupt the main test thread via the defaultTestInterruptor.

The timeLimit field is abstract in this trait. Thus you must specify a time limit when you use it. For example, the following code specifies that each test must complete within 200 milliseconds:

import org.scalatest.FunSpec
import org.scalatest.concurrent.DeprecatedTimeLimitedTests
import org.scalatest.time.SpanSugar._

class ExampleSpec extends FunSpec with DeprecatedTimeLimitedTests {

  // Note: You may need to either write 200.millis or (200 millis), or
  // place a semicolon or blank line after plain old 200 millis, to
  // avoid the semicolon inference problems of postfix operator notation.
  val timeLimit = 200 millis

  describe("A time-limited test") {
    it("should succeed if it completes within the time limit") {
      Thread.sleep(100)
    }
    it("should fail if it is taking too darn long") {
      Thread.sleep(300)
    }
  }
}

If you run the above ExampleSpec, the second test will fail with the error message:

The test did not complete within the specified 200 millisecond time limit.

The failAfter method uses an Interruptor to attempt to interrupt the main test thread if the timeout expires. The default Interruptor returned by the defaultTestInterruptor method is a ThreadInterruptor, which calls interrupt on the main test thread. If you wish to change this interruption strategy, override defaultTestInterruptor to return a different Interruptor. For example, here's how you'd change the default to DoNotInterrupt, a very patient interruption strategy that does nothing to interrupt the main test thread:

import org.scalatest.FunSpec
import org.scalatest.concurrent.DeprecatedTimeLimitedTests
import org.scalatest.time.SpanSugar._

class ExampleSpec extends FunSpec with DeprecatedTimeLimitedTests {

  val timeLimit = 200 millis

  override val defaultTestInterruptor = DoNotInterrupt

  describe("A time-limited test") {
    it("should succeed if it completes within the time limit") {
      Thread.sleep(100)
    }
    it("should fail if it is taking too darn long") {
      Thread.sleep(300)
    }
  }
}

Like the previous incarnation of ExampleSuite, the second test will fail with an error message that indicates a timeout expired. But whereas in the previous case, the Thread.sleep would be interrupted after 200 milliseconds, in this case it is never interrupted. In the previous case, the failed test requires a little over 200 milliseconds to run. In this case, because the sleep(300) is never interrupted, the failed test requires a little over 300 milliseconds to run.

Self Type
DeprecatedTimeLimitedTests with TestSuite
Annotations
@deprecated
Deprecated

DeprecatedTimeLimitedTests is deprecated and will be removed in a future version of ScalaTest. Please use TimeLimitedTests instead.

Source
DeprecatedTimeLimitedTests.scala
Linear Supertypes
TestSuiteMixin, SuiteMixin, AnyRef, Any
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Abstract Value Members

  1. abstract def expectedTestCount(filter: Filter): Int

    The total number of tests that are expected to run when this Suite's run method is invoked.

    The total number of tests that are expected to run when this Suite's run method is invoked.

    filter

    a Filter with which to filter tests to count based on their tags

    Definition Classes
    SuiteMixin
  2. abstract def nestedSuites: IndexedSeq[Suite]

    An immutable IndexedSeq of this SuiteMixin object's nested Suites.

    An immutable IndexedSeq of this SuiteMixin object's nested Suites. If this SuiteMixin contains no nested Suites, this method returns an empty IndexedSeq.

    Definition Classes
    SuiteMixin
  3. abstract def rerunner: Option[String]

    The fully qualified name of the class that can be used to rerun this suite.

    The fully qualified name of the class that can be used to rerun this suite.

    Definition Classes
    SuiteMixin
  4. abstract def run(testName: Option[String], args: Args): Status

    Runs this suite of tests.

    Runs this suite of tests.

    testName

    an optional name of one test to execute. If None, all relevant tests should be executed. I.e., None acts like a wildcard that means execute all relevant tests in this Suite.

    args

    the Args for this run

    returns

    a Status object that indicates when all tests and nested suites started by this method have completed, and whether or not a failure occurred.

    Definition Classes
    SuiteMixin
    Exceptions thrown

    NullArgumentException if any passed parameter is null.

  5. abstract def runNestedSuites(args: Args): Status

    Runs zero to many of this suite's nested suites.

    Runs zero to many of this suite's nested suites.

    args

    the Args for this run

    returns

    a Status object that indicates when all nested suites started by this method have completed, and whether or not a failure occurred.

    Attributes
    protected
    Definition Classes
    SuiteMixin
    Exceptions thrown

    NullArgumentException if args is null.

  6. abstract def runTest(testName: String, args: Args): Status

    Runs a test.

    Runs a test.

    testName

    the name of one test to execute.

    args

    the Args for this run

    returns

    a Status object that indicates when the test started by this method has completed, and whether or not it failed .

    Attributes
    protected
    Definition Classes
    SuiteMixin
    Exceptions thrown

    NullArgumentException if any of testName or args is null.

  7. abstract def runTests(testName: Option[String], args: Args): Status

    Runs zero to many of this suite's tests.

    Runs zero to many of this suite's tests.

    testName

    an optional name of one test to run. If None, all relevant tests should be run. I.e., None acts like a wildcard that means run all relevant tests in this Suite.

    args

    the Args for this run

    returns

    a Status object that indicates when all tests started by this method have completed, and whether or not a failure occurred.

    Attributes
    protected
    Definition Classes
    SuiteMixin
    Exceptions thrown

    NullArgumentException if either testName or args is null.

  8. abstract val styleName: String

    This suite's style name.

    This suite's style name.

    This lifecycle method provides a string that is used to determine whether this suite object's style is one of the chosen styles for the project.

    Definition Classes
    SuiteMixin
  9. abstract def suiteId: String

    A string ID for this Suite that is intended to be unique among all suites reported during a run.

    A string ID for this Suite that is intended to be unique among all suites reported during a run.

    The suite ID is intended to be unique, because ScalaTest does not enforce that it is unique. If it is not unique, then you may not be able to uniquely identify a particular test of a particular suite. This ability is used, for example, to dynamically tag tests as having failed in the previous run when rerunning only failed tests.

    returns

    this Suite object's ID.

    Definition Classes
    SuiteMixin
  10. abstract def suiteName: String

    A user-friendly suite name for this Suite.

    A user-friendly suite name for this Suite.

    This trait's implementation of this method returns the simple name of this object's class. This trait's implementation of runNestedSuites calls this method to obtain a name for Reports to pass to the suiteStarting, suiteCompleted, and suiteAborted methods of the Reporter.

    returns

    this Suite object's suite name.

    Definition Classes
    SuiteMixin
  11. abstract def tags: Map[String, Set[String]]

    A Map whose keys are String names of tagged tests and whose associated values are the Set of tag names for the test.

    A Map whose keys are String names of tagged tests and whose associated values are the Set of tag names for the test. If a test has no associated tags, its name does not appear as a key in the returned Map. If this Suite contains no tests with tags, this method returns an empty Map.

    Subclasses may override this method to define and/or discover tags in a custom manner, but overriding method implementations should never return an empty Set as a value. If a test has no tags, its name should not appear as a key in the returned Map.

    Definition Classes
    SuiteMixin
  12. abstract def testDataFor(testName: String, theConfigMap: ConfigMap): TestData

    Provides a TestData instance for the passed test name, given the passed config map.

    Provides a TestData instance for the passed test name, given the passed config map.

    This method is used to obtain a TestData instance to pass to withFixture(NoArgTest) and withFixture(OneArgTest) and the beforeEach and afterEach methods of trait BeforeAndAfterEach.

    testName

    the name of the test for which to return a TestData instance

    theConfigMap

    the config map to include in the returned TestData

    returns

    a TestData instance for the specified test, which includes the specified config map

    Definition Classes
    SuiteMixin
  13. abstract def testNames: Set[String]

    A Set of test names.

    A Set of test names. If this Suite contains no tests, this method returns an empty Set.

    Although subclass and subtrait implementations of this method may return a Set whose iterator produces String test names in a well-defined order, the contract of this method does not required a defined order. Subclasses are free to implement this method and return test names in either a defined or undefined order.

    Definition Classes
    SuiteMixin
  14. abstract def timeLimit: Span

    The time limit, in milliseconds, in which each test in a Suite that mixes in DeprecatedTimeLimitedTests must complete.

    The time limit, in milliseconds, in which each test in a Suite that mixes in DeprecatedTimeLimitedTests must complete.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  6. val defaultTestInterruptor: Interruptor

    The default Interruptor strategy used to interrupt tests that exceed their time limit.

    The default Interruptor strategy used to interrupt tests that exceed their time limit.

    This trait's implementation of this method returns ThreadInterruptor, which invokes interrupt on the main test thread. Override this method to change the test interruption strategy.

    returns

    a ThreadInterruptor

  7. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  8. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  9. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  10. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
  11. def hashCode(): Int
    Definition Classes
    AnyRef → Any
  12. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  13. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  14. final def notify(): Unit
    Definition Classes
    AnyRef
  15. final def notifyAll(): Unit
    Definition Classes
    AnyRef
  16. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  17. def toString(): String
    Definition Classes
    AnyRef → Any
  18. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  19. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  20. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  21. def withFixture(test: (DeprecatedTimeLimitedTests.this)#NoArgTest): Outcome

    A stackable implementation of withFixture that wraps a call to super.withFixture in a failAfter invocation.

    A stackable implementation of withFixture that wraps a call to super.withFixture in a failAfter invocation.

    test

    the test on which to enforce a time limit

    Definition Classes
    DeprecatedTimeLimitedTests → TestSuiteMixin

Inherited from TestSuiteMixin

Inherited from SuiteMixin

Inherited from AnyRef

Inherited from Any

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