Problems upgrading to v3.5.0-RC1

[Øyvind Harboe]

These imports no longer work:

import chiseltest.experimental.TestOptionBuilder._

import chiseltest.internal.VerilatorBackendAnnotation

import chiseltest.legacy.backends.verilator.VerilatorFlags

import chiseltest.legacy.backends.verilator.VerilatorCFlags

import chiseltest.internal.WriteVcdAnnotation

Some of these imports have moved, easy enough:

import chiseltest.VerilatorBackendAnnotation

import chiseltest.WriteVcdAnnotation

import chiseltest.simulator.VerilatorFlags

import chiseltest.simulator.VerilatorCFlags

However, I can't find the new location of:

import chiseltest.experimental.TestOptionBuilder._

[Øyvind Harboe]

I was able to purge the usage of TestOptionBuilder from my code.

Then I have one warning:

type FlatSpec in package scalatest is deprecated (since 3.1.0): The org.scalatest.FlatSpec trait has been moved and renamed. Please use org.scalatest.flatspec.AnyFlatSpec instead. This can be rewritten automatically with autofix: https://github.com/scalatest/autofix/tree/master/3.1.x

Following the instructions in the link, all the warnings were removed automatically :-)

Hmmm... fails with this class not found when running chiseltest...

[error] (Test / testOnly) java.lang.NoClassDefFoundError: com/vladsch/flexmark/ast/Node

[error] java.lang.NoClassDefFoundError: com/vladsch/flexmark/ast/Node

[error]         at org.scalatest.tools.ReporterFactory.createHtmlReporter(ReporterFactory.scala:194)

[error]         at org.scalatest.tools.ReporterFactory.getReporterFromConfiguration(ReporterFactory.scala:245)

[error]         at org.scalatest.tools.ReporterFactory.$anonfun$createReportersFromConfigurations$1(ReporterFactory.scala:254)

[error]         at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:273)

[error]         at scala.collection.Iterator.foreach(Iterator.scala:943)

[error]         at scala.collection.Iterator.foreach$(Iterator.scala:943)

[error]         at scala.collection.AbstractIterator.foreach(Iterator.scala:1431)

[error]         at scala.collection.IterableLike.foreach(IterableLike.scala:74)

[error]         at scala.collection.IterableLike.foreach$(IterableLike.scala:73)

So, punt on that dependency, disable HTML reports to get tests to work...

//testOptions in Test += Tests.Argument(TestFrameworks.ScalaTest, "-h", "reports/")

Got some funky errors when running tests in verilator, fixed by deleting "test_run_dir/".

So now I have something that compiles without warnings, runs basic tests.... Let's see how it fares on the build servers will full tests and P&R...

[Kevin Laeufer]

I would recommend to always `import chiseltest._`. That way you have all
public APIs available to you. With the 0.5 release we made sure that all
stable mainstream APIs are available through that import.

`TestOptionBuilder` is gone. `withAnnotations` is now just available by
default.

The Verilator flags are part of the `chiseltest.simulator` package since
they are a somewhat more advanced API that isn't as well tested. Please
let us know if you encounter any problems with them.

Thanks for the updates!

Kevin

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[Øyvind Harboe]

All tests are passing, including P&R and running on the FPGA.

The only other thing I had to do was to fix reset in Chisel tests in a few places as randomized verilator noise caused some false positives. Those were real bugs in my Chisel tests, they just hadn't materialized yet.