Remove linebreaks from test descriptions in snapshots; fixes #1900 (#…

…1902)

NEWS.md

@@ -1,5 +1,6 @@
 # testthat (development version)
 
+* `expect_snapshot()` now strips line breaks in test descriptions (@LDSamson, #1900).
 * `expect_snapshot()` now errors when called from a `test_that()` that has an empty description (@kevinushey, #1980).
 * `skip_if_not_installed()` produces a clearer message (@MichaelChirico, #1959).
 * `with_mock()` and `local_mock()` have been unconditionally deprecated as they will no longer work in future versions of R (#1999).

R/snapshot-reporter.R

@@ -35,7 +35,7 @@ SnapshotReporter <- R6::R6Class("SnapshotReporter",
     },
 
     start_test = function(context, test) {
-      self$test <- test
+      self$test <- gsub("\n", "", test)
     },
 
     # Called by expectation