cc now by default not run tests (#4185)

.dev/CRAN_Release.cmd

@@ -208,7 +208,7 @@ grep asCharacter *.c | grep -v PROTECT | grep -v SET_VECTOR_ELT | grep -v setAtt
 
 cd ..
 R
-cc(clean=TRUE, CC="gcc-8")  # to compile with -pedandic -Wall, latest gcc as CRAN: https://cran.r-project.org/web/checks/check_flavors.html
+cc(test=TRUE, clean=TRUE, CC="gcc-8")  # to compile with -pedandic -Wall, latest gcc as CRAN: https://cran.r-project.org/web/checks/check_flavors.html
 saf = options()$stringsAsFactors
 options(stringsAsFactors=!saf)    # check tests (that might be run by user) are insensitive to option, #2718
 test.data.table()

.dev/README.md

@@ -7,24 +7,24 @@
 Developer helper script providing `cc` function. If one starts R session in `data.table` project root directory `.dev/cc.R` file should be automatically sourced (due to local `.Rprofile` file) making `cc()` (and `dd()`) function available straightaway.
 
 ```r
-cc(test=TRUE, clean=FALSE, debug=FALSE, omp=!debug, cc_dir, path=Sys.getenv("PROJ_PATH"), CC="gcc")
+cc(test=FALSE, clean=FALSE, debug=FALSE, omp=!debug, cc_dir, path=Sys.getenv("PROJ_PATH"), CC="gcc")
 ```
 
-Use `cc` to re-compile all C sources and attach all `data.table` R functions (including non-exported ones).
-By default `cc(test=TRUE)` will also run main test script `"tests.Rraw"`, so one may want to use `cc(F)` to re-compile and attach newly modified code but not run any test script. As of now running main tests with `cc()` requires to uninstall package to avoid S4 classes namespace issues (see [#3808](https://github.com/Rdatatable/data.table/issues/3808)).
+Use `cc()` to re-compile all C sources and attach all `data.table` R functions (including non-exported ones).
+One might want to re-compile and run main test script `"tests.Rraw"` automatically, then `cc(test=TRUE)` should be used. As of now running main tests with `cc(T)` requires to uninstall package to avoid S4 classes namespace issues (see [#3808](https://github.com/Rdatatable/data.table/issues/3808)).
 When working on a bigger feature, one may want to put new unit tests into dedicated test file, then `cc("feature.Rraw")` can be used to run only chosen test script.
 
 Usage of `cc()` from `R`:
 ```r
-# run test
+# re-compile and attach
 cc()
-# change some files, run test
+# change some files, re-compile and re-attach
 cc()
-# compile, reload but not test
-cc(F)
-# clean, compile, reload but not test
+# compile, reload and run main test script
+cc(T)
+# clean, compile, reload
 cc(F, T)
-# clean, compile using specific compiler version, reload but not test
+# clean, compile using specific compiler version, reload
 cc(F, T, CC="gcc-8")
 ```
 

.dev/cc.R

@@ -5,11 +5,12 @@
 # > cc()
 # # change some files
 # > cc()
-# # compile, reload but not test
-# > cc(F)
-# # clean, compile, reload but not test
+# # run your tests
+# # to compile, reload and run main test script
+# > cc(T)
+# # clean, compile, reload
 # > cc(F, T)
-# # clean, compile using specific version, reload but not test
+# # clean, compile using specific version, reload
 # > cc(F, T, CC="gcc-8")
 #
 # To debug C level :
@@ -23,7 +24,7 @@
 
 options(datatable.print.class = TRUE)
 
-sourceDir <- function(path=getwd(), trace = TRUE, ...) {
+sourceDir = function(path=getwd(), trace = TRUE, ...) {
   # copied verbatim from example(source) in base R
   for (nm in list.files(path, pattern = "\\.[RrSsQq]$")) {
     if(trace) cat(nm," ")
@@ -32,7 +33,7 @@ sourceDir <- function(path=getwd(), trace = TRUE, ...) {
   if(trace) cat("\n")
 }
 
-cc = function(test=TRUE, clean=FALSE, debug=FALSE, omp=!debug, cc_dir, path=Sys.getenv("PROJ_PATH"), CC="gcc") {
+cc = function(test=FALSE, clean=FALSE, debug=FALSE, omp=!debug, cc_dir, path=Sys.getenv("PROJ_PATH"), CC="gcc") {
   if (!missing(cc_dir)) {
     warning("'cc_dir' arg is deprecated, use 'path' argument or 'PROJ_PATH' env var instead")
     path = cc_dir
@@ -87,5 +88,5 @@ cc = function(test=TRUE, clean=FALSE, debug=FALSE, omp=!debug, cc_dir, path=Sys.
   invisible()
 }
 
-dd = function(omp=FALSE)cc(FALSE,debug=TRUE,omp=omp,clean=TRUE)
+dd = function(omp=FALSE)cc(test=FALSE,debug=TRUE,omp=omp,clean=TRUE)