ScalaTest 2.0.RC1 released

[Bill Venners]

Hi All,

If you have time, please try out this release candidate of ScalaTest 2.0 and let us know if you find any issues by posting to scalatest-users.

Access the release:

http://scalatest.org/download#20rc1

View the release notes:

http://scalatest.org/release_notes/2.0

Browse the Scaladoc:

http://www.artima.com/docs-scalatest-2.0.RC1/#org.scalatest.FlatSpec

You may also be interested in this recent talk on the use of implicit parameters in ScalaTest 2.0:

http://functional.tv/post/62456792600/funconf1-bill-venners-scalatest-20

Thanks.

Bill

----
Bill Venners
Artima, Inc.
http://www.artima.com

[Yann Simon]

Hi,

I tried this version, and some assert cannot compile.

They are all asserts that have a "clue" parameter, like that:

assert(a === 1, "a should be 1")

If I remove the clue ("a should be 1"), it compiles fine.

Should I use a new API for that?

Cheers,

Yann

[Bill Venners]

Hi Yann,

Can you perhaps show the full class that exhibits this problem? It is supposed to still compile and work as before, and here's an interpreter session in which it does:

Mi-Novia:Downloads bv$ scala -cp scalatest_2.10-2.0.RC1.jar
Welcome to Scala version 2.10.0 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_43).
Type in expressions to have them evaluated.
Type :help for more information.

scala> import org.scalatest._
import org.scalatest._

scala> import Assertions._
import Assertions._

scala> val a = 12
a: Int = 12

scala> assert(a === 1, "a should be 1")
org.scalatest.exceptions.TestFailedException: a should be 1
12 did not equal 1
    at org.scalatest.Assertions$class.newAssertionFailedException(Assertions.scala:402)
    at org.scalatest.Assertions$.newAssertionFailedException(Assertions.scala:1253)
    at org.scalatest.Assertions$AssertionsHelper.macroAssertTrue(Assertions.scala:370)

Thanks.

Bill

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[Yann Simon]

Hi Bill,

Thanks for the info, I tried your code with in the REPL, and it does work

My project is a play application, using scala 2.9 for sbt 0.12.4, and compiling with scala 2.10.

It can maybe explain the error.

In that case, I will wait to having migrated to sbt 0.13

I cannot show you the test class, but I manage to reproduce the error with a very simple test:

import org.scalatest.FunSuite

class SimpleTest extends FunSuite {

  test("simple test") {

    assert(2 === 2, "2 should be equal to 2")

  }

}

Error:

[info] Compiling 1 Scala source to /home/simon/ePost/project/apps/safe/safeservice-ui/target/scala-2.10/test-classes...

[info] ======= Position error

[info] Synthetic tree [534] contains nonsynthetic tree [522]

[info] == Enclosing tree [534] of type Apply at [118]SimpleTest.scala

[info] 

[info] [L   8        ] #534    [118]           Apply      // Apply(method apply)

[info] 

[info] == Enclosed tree [522] of type Literal at [128:152]SimpleTest.scala

[info] 

[info] [L   8        ] #522    [128:152]       Literal    // "2 should be equal to 2")

[info] 

[info] 

[info] While validating #540

[info] [L   1        ] #540    [0:160]         PackageDef // models

[info] 

[info] Children:

[info]   [L   1 P#  540] #43     [8:14]          Ident      // models

[info]   [L   3 P#  540] #46     [16:45]         Import     // org.scalatest.FunSuite

[info]   [L   5 P#  540] #539    [47:160]        ClassDef   // SimpleTest extends FunSuite {

[info] =======

[error] 

[error]      while compiling: /home/simon/ePost/project/apps/safe/safeservice-ui/test/models/SimpleTest.scala

[error]         during phase: typer

[error]      library version: version 2.10.3

[error]     compiler version: version 2.10.3

[error]   reconstructed args: -encoding utf8 -bootclasspath /usr/lib/jvm/java-7-openjdk-amd64/jre/lib/resources.jar:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/rt.jar:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/sunrsasign.jar:[...]:/home/simon/.ivy2/cache/org.scalatest/scalatest_2.10/jars/scalatest_2.10-2.0.RC1.jar -unchecked -Xmax-classfile-name 128

[error] 

[error]   last tree to typer: Block

[error]               symbol: null

[error]    symbol definition: null

[error]                  tpe: Unit

[error]        symbol owners: 

[error]       context owners: value <local SimpleTest> -> class SimpleTest -> package models

[error] 

[error] == Enclosing template or block ==

[error] 

[error] Template( // val <local SimpleTest>: <notype> in class SimpleTest

[error]   "FunSuite" // parents

[error]   ValDef(

[error]     private

[error]     "_"

[error]     <tpt>

[error]     <empty>

[error]   )

[error]   // 2 statements

[error]   DefDef( // def <init>(): models.SimpleTest in class SimpleTest

[error]     <method>

[error]     "<init>"

[error]     []

[error]     List(Nil)

[error]     <tpt> // tree.tpe=models.SimpleTest

[error]     Block( // tree.tpe=Unit

[error]       Apply( // def <init>(): org.scalatest.FunSuite in class FunSuite, tree.tpe=org.scalatest.FunSuite

[error]         SimpleTest.super."<init>" // def <init>(): org.scalatest.FunSuite in class FunSuite, tree.tpe=()org.scalatest.FunSuite

[error]         Nil

[error]       )

[error]       ()

[error]     )

[error]   )

[error]   Apply(

[error]     Apply(

[error]       "test"

[error]       "simple test"

[error]     )

[error]     Apply(

[error]       "assert"

[error]       // 2 arguments

[error]       Apply(

[error]         2."$eq$eq$eq"

[error]         2

[error]       )

[error]       "2 should be equal to 2"

[error]     )

[error]   )

[error] )

[error] 

[error] == Expanded type of tree ==

[error] 

[error] TypeRef(TypeSymbol(final abstract class Unit extends AnyVal))

[error] 

[error] uncaught exception during compilation: scala.tools.nsc.interactive.RangePositions$ValidateException

[error] (test:compile) scala.tools.nsc.interactive.RangePositions$ValidateException: Synthetic tree [534] contains nonsynthetic tree [522]

[error] Total time: 1 s, completed 08.10.2013 08:48:56

Cheers,

Yann

2013/10/4 Bill Venners <bi...@artima.com>

[Yann Simon]

If any interest, I found out the problem.

I add the following options in my build:

scalacOptions in Test ++= Seq("-Yrangepos")

Removing that line resolved the problem, and I can use ScalaTest 2.0 now.

Cheers,

Yann

2013/10/8 Yann Simon <yann.s...@gmail.com>