Scalatest expected exception
WebJul 14, 2009 · I want to set an expected exception for a JUnit 4 test using Scala. I am current doing something similar to the following: @Test (expected=classOf [NullPointerException]) def someTest () = { // Some test code } But I get the following compiler error: error: wrong number of arguments for constructor Test: ()org.junit.Test scala annotations junit4 WebYou.com is a search engine built on artificial intelligence that provides users with a customized search experience while keeping their data 100% private. Try it today.
Scalatest expected exception
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Problem: Using ScalaTest, you want to test a portion of your code that should throw an exception under certain conditions. Solution Use the intercept method to verify the exception occurs. In the following example, the boom method will always throw an exception. See more Use the intercept method to verify the exception occurs. In the following example, the boom method will always throw an exception. The interceptmethod lets you … See more This example used intercept to catch the exception, and assertto test the exception message, but this isn’t the only possible solution. The following code … See more http://duoduokou.com/scala/36721689854638006108.html
WebIf you need to further inspect an expected exception, you can capture it using this syntax: val thrown = the [IndexOutOfBoundsException] thrownBy s.charAt(-1) This expression returns … WebSometimes, we need to test if the code is throwing an expected exception. This can be tested in JUnit style as used in the test for Decimal, for example: try { Decimal ("XYZ") } catch { case e:IllegalArgumentException => assert (e.getMessage == "requirement failed: Unable to convert string to number") case _ =>fail }
WebOct 21, 2024 · An exception object is created and thrown using the throw keyword. Here is an example: throw new IllegalArgumentException . Scala try/catch Construct. Scala allows handling exceptions using a single try/catch block. Exceptions can then be pattern matched using case blocks instead of providing a separate catch clause for each exception. Here's ... WebBut if charAt completes normally, or throws a different exception, intercept will complete abruptly with a TestFailedException. intercept returns the caught exception so that you can inspect it further if you wish, for example, to ensure that data contained inside the exception has the expected values. Author Bill Venners Direct Known Subclasses:
http://doc.scalatest.org/2.1.0/org/scalatest/Assertions.html paint carving toolsWebFutures and expected exceptions . If you need to test for expected exceptions in the context of futures, you can use the recoverToSucceededIf and recoverToExceptionIf methods of trait RecoverMethods. Because this trait is mixed into supertrait AsyncTestSuite, both of these methods are available by default in an AsyncWordSpec. substitute for blood pressure medsWebMar 21, 2024 · Even if the exception raised at the moment of the call is suppressed. In this minimal example, it's easy to just remove the try/catch. But in my real use-case the mock is used in a place where I need to handle any arbitrary exception. To add to that, the call is inside a Future, inside an Akka actor, so I cannot just let the exception be raised. paint car with airless sprayer wagnerWebThe following examples show how to use org.scalatest.exceptions.TestFailedException . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. Example 1 Source File: BetterOptionValues.scala From pertax-frontend with Apache License 2.0 5 votes paint car with airbrushWebMar 23, 2024 · 我有以下单元测试:import org.scalatest.FunSpecimport org.scalatest.Matchers._class MyClassSpec extends FunSpec {describe(MyClass){describe(Scenario 1){it(Condition 1) {t substitute for blueberries in diethttp://www.scalatest.org/user_guide/using_matchers substitute for bochasweethttp://doc.scalatest.org/3.0.1/org/scalatest/Assertions.html substitute for body wash