R Under development (unstable) (2024-07-30 r86939 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> ## unit tests will not be done if RUnit is not available
> if(require("RUnit", quietly=TRUE)) {    
+  
+   ## --- Setup ---
+  
+   pkg <- "mdw" # <-- Change to package name!
+   if(Sys.getenv("RCMDCHECK") == "FALSE") {
+     ## Path to unit tests for standalone running under Makefile (not R CMD check)
+     ## PKG/tests/../inst/unitTests
+     path <- file.path(getwd(), "unitTests")
+   } else {
+     ## Path to unit tests for R CMD check
+     ## PKG.Rcheck/tests/../PKG/unitTests
+     # path <- system.file("unitTests", package=pkg)
+     # 2017/12/2 per Kurt email
+     path=tempdir() 
+   }
+   cat("\nRunning unit tests\n")
+   print(list(pkg=pkg, getwd=getwd(), pathToUnitTests=path))
+  
+   library(package=pkg, character.only=TRUE)
+  
+   ## If desired, load the name space to allow testing of private functions
+   ## if (is.element(pkg, loadedNamespaces()))
+   ##     attach(loadNamespace(pkg), name=paste("namespace", pkg, sep=":"), pos=3)
+   ##
+   ## or simply call PKG:::myPrivateFunction() in tests
+  
+   ## --- Testing ---
+  
+   ## Define tests
+   testSuite <- defineTestSuite(name=paste(pkg, "unit testing"),
+                                           dirs=path)
+   ## Run
+   tests <- runTestSuite(testSuite)
+  
+   ## Default report name
+   pathReport <- file.path(path, "report")
+  
+   ## Report to stdout and text files
+   cat("------------------- UNIT TEST SUMMARY ---------------------\n\n")
+   printTextProtocol(tests, showDetails=FALSE)
+   printTextProtocol(tests, showDetails=FALSE,
+                     fileName=paste(pathReport, "Summary.txt", sep=""))
+   printTextProtocol(tests, showDetails=TRUE,
+                     fileName=paste(pathReport, ".txt", sep=""))
+  
+   ## Report to HTML file
+   printHTMLProtocol(tests, fileName=paste(pathReport, ".html", sep=""))
+  
+   ## Return stop() to cause R CMD check stop in case of
+   ##  - failures i.e. FALSE to unit tests or
+   ##  - errors i.e. R errors
+   tmp <- getErrors(tests)
+   if(tmp$nFail > 0 | tmp$nErr > 0) {
+     stop(paste("\n\nunit testing failed (#test failures: ", tmp$nFail,
+                ", #R errors: ",  tmp$nErr, ")\n\n", sep=""))
+   }
+ } else {
+   warning("cannot run unit tests -- package RUnit is not available")
+ }

Running unit tests
$pkg
[1] "mdw"

$getwd
[1] "d:/RCompile/CRANincoming/R-devel/mdw.Rcheck/tests"

$pathToUnitTests
[1] "D:\\temp\\RtmpiaL4Hs"

------------------- UNIT TEST SUMMARY ---------------------

RUNIT TEST PROTOCOL -- Wed Jul 31 23:40:52 2024 
*********************************************** 
Number of test functions: 0 
Number of errors: 0 
Number of failures: 0 

 
1 Test Suite : 
mdw unit testing - 0 test functions, 0 errors, 0 failures
> 
> proc.time()
   user  system elapsed 
   0.76    0.17    0.89