/
AnyFreeSpecLike.scala
551 lines (515 loc) · 27.2 KB
/
AnyFreeSpecLike.scala
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/*
* Copyright 2001-2013 Artima, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.scalatest.freespec
import org.scalactic.{source, Prettifier}
import org.scalatest._
import org.scalatest.Suite.autoTagClassAnnotations
import org.scalatest.verbs.BehaveWord
import org.scalatest.exceptions._
/**
* Implementation trait for class <code>AnyFreeSpec</code>, which
* facilitates a “behavior-driven” style of development (BDD),
* in which tests are nested inside text clauses denoted with the dash
* operator (<code>-</code>).
*
* <p>
* <a href="AnyFreeSpec.html"><code>AnyFreeSpec</code></a> is a class, not a trait,
* to minimize compile time given there is a slight compiler overhead to
* mixing in traits compared to extending classes. If you need to mix the
* behavior of <code>AnyFreeSpec</code> into some other class, you can use this
* trait instead, because class <code>AnyFreeSpec</code> does nothing more than
* extend this trait and add a nice <code>toString</code> implementation.
* </p>
*
* <p>
* See the documentation of the class for a <a href="AnyFreeSpec.html">detailed
* overview of <code>AnyFreeSpec</code></a>.
* </p>
*
* @author Bill Venners
*/
//SCALATESTJS-ONLY @scala.scalajs.reflect.annotation.EnableReflectiveInstantiation
//SCALATESTNATIVE-ONLY @scala.scalajs.reflect.annotation.EnableReflectiveInstantiation
trait AnyFreeSpecLike extends TestSuite with TestRegistration with Informing with Notifying with Alerting with Documenting { thisSuite =>
private final val engine = new Engine(Resources.concurrentFreeSpecMod, "FreeSpec")
import engine._
/**
* Returns an <code>Informer</code> that during test execution will forward strings passed to its
* <code>apply</code> method to the current reporter. If invoked in a constructor, it
* will register the passed string for forwarding later during test execution. If invoked from inside a scope,
* it will forward the information to the current reporter immediately. If invoked from inside a test function,
* it will record the information and forward it to the current reporter only after the test completed, as <code>recordedEvents</code>
* of the test completed event, such as <code>TestSucceeded</code>. If invoked at any other time, it will print to the standard output.
* This method can be called safely by any thread.
*/
protected def info: Informer = atomicInformer.get
/**
* Returns a <code>Notifier</code> that during test execution will forward strings passed to its
* <code>apply</code> method to the current reporter. If invoked in a constructor, it
* will register the passed string for forwarding later during test execution. If invoked while this
* <code>AnyFreeSpec</code> is being executed, such as from inside a test function, it will forward the information to
* the current reporter immediately. If invoked at any other time, it will
* print to the standard output. This method can be called safely by any thread.
*/
protected def note: Notifier = atomicNotifier.get
/**
* Returns an <code>Alerter</code> that during test execution will forward strings passed to its
* <code>apply</code> method to the current reporter. If invoked in a constructor, it
* will register the passed string for forwarding later during test execution. If invoked while this
* <code>AnyFreeSpec</code> is being executed, such as from inside a test function, it will forward the information to
* the current reporter immediately. If invoked at any other time, it will
* print to the standard output. This method can be called safely by any thread.
*/
protected def alert: Alerter = atomicAlerter.get
/**
* Returns a <code>Documenter</code> that during test execution will forward strings passed to its
* <code>apply</code> method to the current reporter. If invoked in a constructor, it
* will register the passed string for forwarding later during test execution. If invoked from inside a scope,
* it will forward the information to the current reporter immediately. If invoked from inside a test function,
* it will record the information and forward it to the current reporter only after the test completed, as <code>recordedEvents</code>
* of the test completed event, such as <code>TestSucceeded</code>. If invoked at any other time, it will print to the standard output.
* This method can be called safely by any thread.
*/
protected def markup: Documenter = atomicDocumenter.get
final def registerTest(testText: String, testTags: Tag*)(testFun: => Any /* Assertion */)(implicit pos: source.Position): Unit = {
// SKIP-SCALATESTJS,NATIVE-START
val stackDepthAdjustment = -2
// SKIP-SCALATESTJS,NATIVE-END
//SCALATESTJS,NATIVE-ONLY val stackDepthAdjustment = -4
engine.registerTest(testText, Transformer(() => testFun), Resources.testCannotBeNestedInsideAnotherTest, "AnyFreeSpecLike.scala", "registerTest", 5, stackDepthAdjustment, None, None, Some(pos), None, testTags: _*)
}
final def registerIgnoredTest(testText: String, testTags: Tag*)(testFun: => Any /* Assertion */)(implicit pos: source.Position): Unit = {
// SKIP-SCALATESTJS,NATIVE-START
val stackDepthAdjustment = -3
// SKIP-SCALATESTJS,NATIVE-END
//SCALATESTJS,NATIVE-ONLY val stackDepthAdjustment = -4
engine.registerIgnoredTest(testText, Transformer(() => testFun), Resources.testCannotBeNestedInsideAnotherTest, "AnyFreeSpecLike.scala", "registerIgnoredTest", 4, stackDepthAdjustment, None, Some(pos), testTags: _*)
}
/**
* Register a test with the given spec text, optional tags, and test function value that takes no arguments.
* An invocation of this method is called an “example.”
*
* This method will register the test for later execution via an invocation of one of the <code>execute</code>
* methods. The name of the test will be a concatenation of the text of all surrounding describers,
* from outside in, and the passed spec text, with one space placed between each item. (See the documenation
* for <code>testNames</code> for an example.) The resulting test name must not have been registered previously on
* this <code>AnyFreeSpec</code> instance.
*
* @param specText the specification text, which will be combined with the descText of any surrounding describers
* to form the test name
* @param testTags the optional list of tags for this test
* @param methodName caller's method name
* @param testFun the test function
* @throws DuplicateTestNameException if a test with the same name has been registered previously
* @throws TestRegistrationClosedException if invoked after <code>run</code> has been invoked on this suite
* @throws NullArgumentException if <code>specText</code> or any passed test tag is <code>null</code>
*/
private def registerTestToRun(specText: String, testTags: List[Tag], methodName: String, testFun: () => Any /* Assertion */, pos: source.Position): Unit = {
// SKIP-SCALATESTJS,NATIVE-START
val stackDepth = 4
val stackDepthAdjustment = -3
// SKIP-SCALATESTJS,NATIVE-END
//SCALATESTJS,NATIVE-ONLY val stackDepth = 6
//SCALATESTJS,NATIVE-ONLY val stackDepthAdjustment = -5
engine.registerTest(specText, Transformer(testFun), Resources.inCannotAppearInsideAnotherIn, "AnyFreeSpecLike.scala", methodName, stackDepth, stackDepthAdjustment, None, None, Some(pos), None, testTags: _*)
}
/**
* Register a test to ignore, which has the given spec text, optional tags, and test function value that takes no arguments.
* This method will register the test for later ignoring via an invocation of one of the <code>execute</code>
* methods. This method exists to make it easy to ignore an existing test by changing the call to <code>it</code>
* to <code>ignore</code> without deleting or commenting out the actual test code. The test will not be executed, but a
* report will be sent that indicates the test was ignored. The name of the test will be a concatenation of the text of all surrounding describers,
* from outside in, and the passed spec text, with one space placed between each item. (See the documenation
* for <code>testNames</code> for an example.) The resulting test name must not have been registered previously on
* this <code>AnyFreeSpec</code> instance.
*
* @param specText the specification text, which will be combined with the descText of any surrounding describers
* to form the test name
* @param testTags the optional list of tags for this test
* @param methodName caller's method name
* @param testFun the test function
* @throws DuplicateTestNameException if a test with the same name has been registered previously
* @throws TestRegistrationClosedException if invoked after <code>run</code> has been invoked on this suite
* @throws NullArgumentException if <code>specText</code> or any passed test tag is <code>null</code>
*/
private def registerTestToIgnore(specText: String, testTags: List[Tag], methodName: String, testFun: () => Any /* Assertion */, pos: source.Position): Unit = {
// SKIP-SCALATESTJS,NATIVE-START
val stackDepth = 4
val stackDepthAdjustment = -4
// SKIP-SCALATESTJS,NATIVE-END
//SCALATESTJS,NATIVE-ONLY val stackDepth = 6
//SCALATESTJS,NATIVE-ONLY val stackDepthAdjustment = -6
engine.registerIgnoredTest(specText, Transformer(testFun), Resources.ignoreCannotAppearInsideAnIn, "AnyFreeSpecLike.scala", methodName, stackDepth, stackDepthAdjustment, None, Some(pos), testTags: _*)
}
/**
* Class that supports the registration of tagged tests.
*
* <p>
* Instances of this class are returned by the <code>taggedAs</code> method of
* class <code>FreeSpecStringWrapper</code>.
* </p>
*
* @author Bill Venners
*/
protected final class ResultOfTaggedAsInvocationOnString(specText: String, tags: List[Tag], pos: source.Position) {
/**
* Supports tagged test registration.
*
* <p>
* For example, this method supports syntax such as the following:
* </p>
*
* <pre class="stHighlighted">
* <span class="stQuotedString">"complain on peek"</span> taggedAs(<span class="stType">SlowTest</span>) in { ... }
* ^
* </pre>
*
* <p>
* For more information and examples of this method's use, see the <a href="AnyFreeSpec.html">main documentation</a> for trait <code>AnyFreeSpec</code>.
* </p>
*/
def in(testFun: => Any /* Assertion */): Unit = {
registerTestToRun(specText, tags, "in", () => testFun, pos)
}
/**
* Supports registration of tagged, pending tests.
*
* <p>
* For example, this method supports syntax such as the following:
* </p>
*
* <pre class="stHighlighted">
* <span class="stQuotedString">"complain on peek"</span> taggedAs(<span class="stType">SlowTest</span>) is (pending)
* ^
* </pre>
*
* <p>
* For more information and examples of this method's use, see the <a href="AnyFreeSpec.html">main documentation</a> for trait <code>AnyFreeSpec</code>.
* </p>
*/
def is(testFun: => PendingStatement): Unit = {
registerTestToRun(specText, tags, "is", () => { testFun; succeed }, pos)
}
/**
* Supports registration of tagged, ignored tests.
*
* <p>
* For example, this method supports syntax such as the following:
* </p>
*
* <pre class="stHighlighted">
* <span class="stQuotedString">"complain on peek"</span> taggedAs(<span class="stType">SlowTest</span>) ignore { ... }
* ^
* </pre>
*
* <p>
* For more information and examples of this method's use, see the <a href="AnyFreeSpec.html">main documentation</a> for trait <code>AnyFreeSpec</code>.
* </p>
*/
def ignore(testFun: => Any /* Assertion */): Unit = {
registerTestToIgnore(specText, tags, "ignore", () => testFun, pos)
}
}
/**
* A class that via an implicit conversion (named <code>convertToFreeSpecStringWrapper</code>) enables
* methods <code>in</code>, <code>is</code>, <code>taggedAs</code> and <code>ignore</code>,
* as well as the dash operator (<code>-</code>), to be invoked on <code>String</code>s.
*
* @author Bill Venners
*/
protected final class FreeSpecStringWrapper(string: String, pos: source.Position) {
/**
* Register some text that may surround one or more tests. Thepassed function value may contain surrounding text
* registrations (defined with dash (<code>-</code>)) and/or tests (defined with <code>in</code>). This trait's
* implementation of this method will register the text (passed to the contructor of <code>FreeSpecStringWrapper</code>
* and immediately invoke the passed function.
*/
def -(fun: => Unit): Unit = {
// SKIP-SCALATESTJS,NATIVE-START
val stackDepth = 3
// SKIP-SCALATESTJS,NATIVE-END
//SCALATESTJS,NATIVE-ONLY val stackDepth = 5
try {
registerNestedBranch(string, None, fun, Resources.dashCannotAppearInsideAnIn, "AnyFreeSpecLike.scala", "-", stackDepth, -2, None, Some(pos))
}
catch {
case e: TestFailedException => throw new NotAllowedException(FailureMessages.assertionShouldBePutInsideInClauseNotDashClause, Some(e), e.position.getOrElse(pos))
case e: TestCanceledException => throw new NotAllowedException(FailureMessages.assertionShouldBePutInsideInClauseNotDashClause, Some(e), e.position.getOrElse(pos))
case tgce: TestRegistrationClosedException => throw tgce
case e: DuplicateTestNameException => throw new NotAllowedException(FailureMessages.exceptionWasThrownInDashClause(Prettifier.default, UnquotedString(e.getClass.getName), string, e.getMessage), Some(e), e.position.getOrElse(pos))
case other: Throwable if (!Suite.anExceptionThatShouldCauseAnAbort(other)) => throw new NotAllowedException(FailureMessages.exceptionWasThrownInDashClause(Prettifier.default, UnquotedString(other.getClass.getName), string, other.getMessage), Some(other), pos)
case other: Throwable => throw other
}
}
/**
* Supports test registration.
*
* <p>
* For example, this method supports syntax such as the following:
* </p>
*
* <pre class="stHighlighted">
* <span class="stQuotedString">"complain on peek"</span> in { ... }
* ^
* </pre>
*
* <p>
* For more information and examples of this method's use, see the <a href="AnyFreeSpec.html">main documentation</a> for trait <code>AnyFreeSpec</code>.
* </p>
*/
def in(f: => Any /* Assertion */): Unit = {
registerTestToRun(string, List(), "in", () => f, pos)
}
/**
* Supports ignored test registration.
*
* <p>
* For example, this method supports syntax such as the following:
* </p>
*
* <pre class="stHighlighted">
* <span class="stQuotedString">"complain on peek"</span> ignore { ... }
* ^
* </pre>
*
* <p>
* For more information and examples of this method's use, see the <a href="AnyFreeSpec.html">main documentation</a> for trait <code>AnyFreeSpec</code>.
* </p>
*/
def ignore(f: => Any /* Assertion */): Unit = {
registerTestToIgnore(string, List(), "ignore", () => f, pos)
}
/**
* Supports pending test registration.
*
* <p>
* For example, this method supports syntax such as the following:
* </p>
*
* <pre class="stHighlighted">
* <span class="stQuotedString">"complain on peek"</span> is (pending)
* ^
* </pre>
*
* <p>
* For more information and examples of this method's use, see the <a href="AnyFreeSpec.html">main documentation</a> for trait <code>AnyFreeSpec</code>.
* </p>
*/
def is(f: => PendingStatement): Unit = {
registerTestToRun(string, List(), "is", () => { f; succeed }, pos)
}
/**
* Supports tagged test registration.
*
* <p>
* For example, this method supports syntax such as the following:
* </p>
*
* <pre class="stHighlighted">
* <span class="stQuotedString">"complain on peek"</span> taggedAs(<span class="stType">SlowTest</span>) in { ... }
* ^
* </pre>
*
* <p>
* For more information and examples of this method's use, see the <a href="AnyFreeSpec.html">main documentation</a> for trait <code>AnyFreeSpec</code>.
* </p>
*/
def taggedAs(firstTestTag: Tag, otherTestTags: Tag*): ResultOfTaggedAsInvocationOnString = {
val tagList = firstTestTag :: otherTestTags.toList
new ResultOfTaggedAsInvocationOnString(string, tagList, pos)
}
}
import scala.language.implicitConversions
/**
* Implicitly converts <code>String</code>s to <code>FreeSpecStringWrapper</code>, which enables
* methods <code>in</code>, <code>is</code>, <code>taggedAs</code> and <code>ignore</code>,
* as well as the dash operator (<code>-</code>), to be invoked on <code>String</code>s.
*/
protected implicit def convertToFreeSpecStringWrapper(s: String)(implicit pos: source.Position): FreeSpecStringWrapper = new FreeSpecStringWrapper(s, pos)
/**
* A <code>Map</code> whose keys are <code>String</code> names of tagged tests and whose associated values are
* the <code>Set</code> of tags for the test. If this <code>AnyFreeSpec</code> contains no tags, this method returns an empty <code>Map</code>.
*
* <p>
* This trait's implementation returns tags that were passed as strings contained in <code>Tag</code> objects passed to
* <code>taggedAs</code>.
* </p>
*
* <p>
* In addition, this trait's implementation will also auto-tag tests with class level annotations.
* For example, if you annotate <code>@Ignore</code> at the class level, all test methods in the class will be auto-annotated with
* <code>org.scalatest.Ignore</code>.
* </p>
*/
override def tags: Map[String, Set[String]] = autoTagClassAnnotations(atomic.get.tagsMap, this)
/**
* Run a test. This trait's implementation runs the test registered with the name specified by
* <code>testName</code>. Each test's name is a concatenation of the text of all describers surrounding a test,
* from outside in, and the test's spec text, with one space placed between each item. (See the documentation
* for <code>testNames</code> for an example.)
*
* @param testName the name of one test to execute.
* @param args the <code>Args</code> for this run
* @return a <code>Status</code> object that indicates when the test started by this method has completed, and whether or not it failed .
*
* @throws NullArgumentException if any of <code>testName</code>, <code>reporter</code>, <code>stopper</code>, or <code>configMap</code>
* is <code>null</code>.
*/
protected override def runTest(testName: String, args: Args): Status = {
def invokeWithFixture(theTest: TestLeaf): Outcome = {
val theConfigMap = args.configMap
val testData = testDataFor(testName, theConfigMap)
withFixture(
new NoArgTest {
val name = testData.name
def apply(): Outcome = { theTest.testFun() }
val configMap = testData.configMap
val scopes = testData.scopes
val text = testData.text
val tags = testData.tags
val pos = testData.pos
}
)
}
runTestImpl(thisSuite, testName, args, true, invokeWithFixture)
}
/**
* Run zero to many of this <code>AnyFreeSpec</code>'s tests.
*
* <p>
* This method takes a <code>testName</code> parameter that optionally specifies a test to invoke.
* If <code>testName</code> is <code>Some</code>, this trait's implementation of this method
* invokes <code>runTest</code> on this object, passing in:
* </p>
*
* <ul>
* <li><code>testName</code> - the <code>String</code> value of the <code>testName</code> <code>Option</code> passed
* to this method</li>
* <li><code>reporter</code> - the <code>Reporter</code> passed to this method, or one that wraps and delegates to it</li>
* <li><code>stopper</code> - the <code>Stopper</code> passed to this method, or one that wraps and delegates to it</li>
* <li><code>configMap</code> - the <code>configMap</code> passed to this method, or one that wraps and delegates to it</li>
* </ul>
*
* <p>
* This method takes a <code>Set</code> of tag names that should be included (<code>tagsToInclude</code>), and a <code>Set</code>
* that should be excluded (<code>tagsToExclude</code>), when deciding which of this <code>Suite</code>'s tests to execute.
* If <code>tagsToInclude</code> is empty, all tests will be executed
* except those those belonging to tags listed in the <code>tagsToExclude</code> <code>Set</code>. If <code>tagsToInclude</code> is non-empty, only tests
* belonging to tags mentioned in <code>tagsToInclude</code>, and not mentioned in <code>tagsToExclude</code>
* will be executed. However, if <code>testName</code> is <code>Some</code>, <code>tagsToInclude</code> and <code>tagsToExclude</code> are essentially ignored.
* Only if <code>testName</code> is <code>None</code> will <code>tagsToInclude</code> and <code>tagsToExclude</code> be consulted to
* determine which of the tests named in the <code>testNames</code> <code>Set</code> should be run. For more information on trait tags, see the main documentation for this trait.
* </p>
*
* <p>
* If <code>testName</code> is <code>None</code>, this trait's implementation of this method
* invokes <code>testNames</code> on this <code>Suite</code> to get a <code>Set</code> of names of tests to potentially execute.
* (A <code>testNames</code> value of <code>None</code> essentially acts as a wildcard that means all tests in
* this <code>Suite</code> that are selected by <code>tagsToInclude</code> and <code>tagsToExclude</code> should be executed.)
* For each test in the <code>testName</code> <code>Set</code>, in the order
* they appear in the iterator obtained by invoking the <code>elements</code> method on the <code>Set</code>, this trait's implementation
* of this method checks whether the test should be run based on the <code>tagsToInclude</code> and <code>tagsToExclude</code> <code>Set</code>s.
* If so, this implementation invokes <code>runTest</code>, passing in:
* </p>
*
* <ul>
* <li><code>testName</code> - the <code>String</code> name of the test to run (which will be one of the names in the <code>testNames</code> <code>Set</code>)</li>
* <li><code>reporter</code> - the <code>Reporter</code> passed to this method, or one that wraps and delegates to it</li>
* <li><code>stopper</code> - the <code>Stopper</code> passed to this method, or one that wraps and delegates to it</li>
* <li><code>configMap</code> - the <code>configMap</code> passed to this method, or one that wraps and delegates to it</li>
* </ul>
*
* @param testName an optional name of one test to run. If <code>None</code>, all relevant tests should be run.
* I.e., <code>None</code> acts like a wildcard that means run all relevant tests in this <code>Suite</code>.
* @param args the <code>Args</code> for this run
* @return a <code>Status</code> object that indicates when all tests started by this method have completed, and whether or not a failure occurred.
*
* @throws NullArgumentException if any of the passed parameters is <code>null</code>.
* @throws IllegalArgumentException if <code>testName</code> is defined, but no test with the specified test name
* exists in this <code>Suite</code>
*/
protected override def runTests(testName: Option[String], args: Args): Status = {
runTestsImpl(thisSuite, testName, args, info, true, runTest)
}
/**
* An immutable <code>Set</code> of test names. If this <code>AnyFreeSpec</code> contains no tests, this method returns an
* empty <code>Set</code>.
*
* <p>
* This trait's implementation of this method will return a set that contains the names of all registered tests. The set's
* iterator will return those names in the order in which the tests were registered. Each test's name is composed
* of the concatenation of the text of each surrounding describer, in order from outside in, and the text of the
* example itself, with all components separated by a space. For example, consider this <code>AnyFreeSpec</code>:
* </p>
*
* <pre class="stHighlighted">
* <span class="stReserved">import</span> org.scalatest.freespec.AnyFreeSpec
* <br/><span class="stReserved">class</span> <span class="stType">StackSpec</span> <span class="stReserved">extends</span> <span class="stType">AnyFreeSpec</span> {
* <span class="stQuotedString">"A Stack"</span> - {
* <span class="stQuotedString">"when not empty"</span> - {
* <span class="stQuotedString">"must allow me to pop"</span> in {}
* }
* <span class="stQuotedString">"when not full"</span> - {
* <span class="stQuotedString">"must allow me to push"</span> in {}
* }
* }
* }
* </pre>
*
* <p>
* Invoking <code>testNames</code> on this <code>AnyFreeSpec</code> will yield a set that contains the following
* two test name strings:
* </p>
*
* <pre>
* "A Stack when not empty must allow me to pop"
* "A Stack when not full must allow me to push"
* </pre>
*/
override def testNames: Set[String] = {
InsertionOrderSet(atomic.get.testNamesList)
}
override def run(testName: Option[String], args: Args): Status = {
runImpl(thisSuite, testName, args, super.run)
}
/**
* Supports shared test registration in <code>AnyFreeSpec</code>s.
*
* <p>
* This field enables syntax such as the following:
* </p>
*
* <pre class="stHighlighted">
* behave like nonFullStack(stackWithOneItem)
* ^
* </pre>
*
* <p>
* For more information and examples of the use of <cod>behave</code>, see the <a href="#sharedTests">Shared tests section</a>
* in the main documentation for this trait.
* </p>
*/
protected val behave = new BehaveWord
/**
* <strong>The <code>styleName</code> lifecycle method has been deprecated and will be removed in a future version of ScalaTest.</strong>
*
* <p>This method was used to support the chosen styles feature, which was deactivated in 3.1.0. The internal modularization of ScalaTest in 3.2.0
* will replace chosen styles as the tool to encourage consistency across a project. We do not plan a replacement for <code>styleName</code>.</p>
*/
@deprecated("The styleName lifecycle method has been deprecated and will be removed in a future version of ScalaTest with no replacement.", "3.1.0")
final override val styleName: String = "org.scalatest.FreeSpec"
override def testDataFor(testName: String, theConfigMap: ConfigMap = ConfigMap.empty): TestData = createTestDataFor(testName, theConfigMap, this)
}