### What changes were proposed in this pull request?
There are currently the R test failures after upgrading `testthat` to 2.0.0, and R version 3.5.2 as of SPARK-23435. This PR targets to fix the tests and make the tests pass. See the explanations and causes below:
```
test_context.R:49: failure: Check masked functions
length(maskedCompletely) not equal to length(namesOfMaskedCompletely).
1/1 mismatches
[1] 6 - 4 == 2
test_context.R:53: failure: Check masked functions
sort(maskedCompletely, na.last = TRUE) not equal to sort(namesOfMaskedCompletely, na.last = TRUE).
5/6 mismatches
x[2]: "endsWith"
y[2]: "filter"
x[3]: "filter"
y[3]: "not"
x[4]: "not"
y[4]: "sample"
x[5]: "sample"
y[5]: NA
x[6]: "startsWith"
y[6]: NA
```
From my cursory look, R base and R's version are mismatched. I fixed accordingly and Jenkins will test it out.
```
test_includePackage.R:31: error: include inside function
package or namespace load failed for ���plyr���:
package ���plyr��� was installed by an R version with different internals; it needs to be reinstalled for use with this R version
Seems it's a package installation issue. Looks like plyr has to be re-installed.
```
From my cursory look, previously installed `plyr` remains and it's not compatible with the new R version. I fixed accordingly and Jenkins will test it out.
```
test_sparkSQL.R:499: warning: SPARK-17811: can create DataFrame containing NA as date and time
Your system is mis-configured: ���/etc/localtime��� is not a symlink
```
Seems a env problem. I suppressed the warnings for now.
```
test_sparkSQL.R:499: warning: SPARK-17811: can create DataFrame containing NA as date and time
It is strongly recommended to set envionment variable TZ to ���America/Los_Angeles��� (or equivalent)
```
Seems a env problem. I suppressed the warnings for now.
```
test_sparkSQL.R:1814: error: string operators
unable to find an inherited method for function ���startsWith��� for signature ���"character"���
1: expect_true(startsWith("Hello World", "Hello")) at /home/jenkins/workspace/SparkPullRequestBuilder2/R/pkg/tests/fulltests/test_sparkSQL.R:1814
2: quasi_label(enquo(object), label)
3: eval_bare(get_expr(quo), get_env(quo))
4: startsWith("Hello World", "Hello")
5: (function (classes, fdef, mtable)
{
methods <- .findInheritedMethods(classes, fdef, mtable)
if (length(methods) == 1L)
return(methods[[1L]])
else if (length(methods) == 0L) {
cnames <- paste0("\"", vapply(classes, as.character, ""), "\"", collapse = ", ")
stop(gettextf("unable to find an inherited method for function %s for signature %s",
sQuote(fdefgeneric), sQuote(cnames)), domain = NA)
}
else stop("Internal error in finding inherited methods; didn't return a unique method",
domain = NA)
})(list("character"), new("nonstandardGenericFunction", .Data = function (x, prefix)
{
standardGeneric("startsWith")
}, generic = structure("startsWith", package = "SparkR"), package = "SparkR", group = list(),
valueClass = character(0), signature = c("x", "prefix"), default = NULL, skeleton = (function (x,
prefix)
stop("invalid call in method dispatch to 'startsWith' (no default method)", domain = NA))(x,
prefix)), <environment>)
6: stop(gettextf("unable to find an inherited method for function %s for signature %s",
sQuote(fdefgeneric), sQuote(cnames)), domain = NA)
```
From my cursory look, R base and R's version are mismatched. I fixed accordingly and Jenkins will test it out.
Also, this PR causes a CRAN check failure as below:
```
* creating vignettes ... ERROR
Error: processing vignette 'sparkr-vignettes.Rmd' failed with diagnostics:
package ���htmltools��� was installed by an R version with different internals; it needs to be reinstalled for use with this R version
```
This PR disables it for now.
### Why are the changes needed?
To unblock other PRs.
### Does this PR introduce any user-facing change?
No. Test only and dev only.
### How was this patch tested?
No. I am going to use Jenkins to test.
Closes#27460 from HyukjinKwon/r-test-failure.
Authored-by: HyukjinKwon <gurwls223@apache.org>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
e2d984aa1c