use specific imports for rex (#1918)

Author: MichaelChirico

NAMESPACE

@@ -137,8 +137,12 @@ export(with_defaults)
 export(with_id)
 export(xml_nodes_to_lints)
 export(yoda_test_linter)
-import(rex)
 importFrom(cyclocomp,cyclocomp)
+importFrom(rex,character_class)
+importFrom(rex,re_matches)
+importFrom(rex,re_substitutes)
+importFrom(rex,regex)
+importFrom(rex,rex)
 importFrom(stats,na.omit)
 importFrom(utils,capture.output)
 importFrom(utils,getParseData)

R/lintr-package.R

@@ -8,7 +8,7 @@
 "_PACKAGE"
 
 ## lintr namespace: start
-#' @import rex
+#' @importFrom rex rex regex re_matches re_substitutes character_class
 #' @importFrom stats na.omit
 #' @importFrom utils capture.output head getParseData relist
 #' @importFrom xml2 xml_find_all as_list

tests/testthat/test-fixed_regex_linter.R

@@ -59,14 +59,14 @@ patrick::with_parameters_test_that(
       fixed_regex_linter()
     )
   },
-  .cases = data.frame(
-    char = c(
+  .cases = local({
+    char <- c(
       "^", "$", "{", "}", "(", ")", ".", "*", "+", "?",
       "|", "[", "]", "\\\\", "<", ">", "=", ":", ";", "/",
       "_", "-", "!", "@", "#", "%", "&", "~"
-    ),
-    stringsAsFactors = FALSE
-  )
+    )
+    data.frame(char = char, .test_name = char, stringsAsFactors = FALSE)
+  })
 )
 
 test_that("fixed_regex_linter catches regex like [.] or [$]", {