Accept a list of regexes in buttercup-mark-skipped

This means regexes are accepted on the command line --pattern option
again.  --pattern was downgraded to substring matching in
41424d5.

Fixes jorgenschaefer#191.

bin/buttercup

@@ -29,10 +29,11 @@ Buttercup options:
 --pattern, -p PATTERN   Only run tests with names matching PATTERN.
                           This option can be used multiple times, in
                           which case tests will be run if they match
-                          any of the given patterns. PATTERN is
-                          matched as a substring of the full test
-                          description (the concatenation of the test
-                          and all paremt suites descriptions).
+                          any of the given patterns. PATTERN should be
+                          an Emacs regex that will be matched against
+                          the full test description (the concatenation
+                          of the test and all parent suites
+                          descriptions).
 
 --no-skip               Do not print the descriptions for tests that
                           are filtered out with "--pattern" or disabled

bin/buttercup.bat

@@ -33,7 +33,11 @@ echo.
 echo --pattern, -p PATTERN   Only run tests with names matching PATTERN.
 echo                           This option can be used multiple times, in
 echo                           which case tests will be run if they match
-echo                           any of the given patterns.
+echo                           any of the given patterns. PATTERN should be
+echo                           an Emacs regex that will be matched against
+echo                           the full test description (the concatenation
+echo                           of the test and all parent suites
+echo                           descriptions).
 echo.
 echo --no-skip               Do not print the descriptions for tests that
 echo                           are filtered out with "--pattern" or disabled

buttercup.el

@@ -1399,21 +1399,25 @@ current directory."
         (when (not (string-match "\\(^\\|/\\)\\." (file-relative-name file)))
           (load file nil t))))
     (when patterns
-      (buttercup-mark-skipped (regexp-opt patterns) t))
+      (buttercup-mark-skipped patterns t))
     (buttercup-run)))
 
 (defun buttercup-mark-skipped (matcher &optional reverse)
   "Mark any spec that match MATCHER as skipped.
-MATCHER can be either a regex or a function taking a spec as the
-single argument. If REVERSE is non-nil, specs will be marked as
-pending when MATCHER does not match."
+MATCHER can be either a regex, a list of regexes, or a function
+taking a spec as the single argument. If REVERSE is non-nil,
+specs will be marked as pending when MATCHER does not match."
   (cl-etypecase matcher
     (string (buttercup--mark-skipped
              buttercup-suites
              (lambda (spec)
                (string-match matcher (buttercup-spec-full-name spec)))
              reverse))
-    (function (buttercup--mark-skipped buttercup-suites matcher reverse))))
+    (function (buttercup--mark-skipped buttercup-suites matcher reverse))
+    (list (buttercup-mark-skipped (mapconcat (lambda (re)
+                                               (concat "\\(?:" re "\\)"))
+                                             matcher "\\|")
+                                  reverse))))
 
 (defun buttercup--mark-skipped (suites predicate &optional reverse-predicate)
   "Mark all specs in SUITES as skipped if PREDICATE(spec) is true.

tests/test-buttercup.el

@@ -1549,7 +1549,7 @@ text properties using `ansi-color-apply'."
     (expect (buttercup-suites-total-specs-pending suites) :to-equal 11))
   (it "should handle multiple patterns"
     (with-local-buttercup :suites suites
-      (buttercup-mark-skipped (regexp-opt '("1-1-1" "1-1-2" "1-4" "2-4")) t))
+      (buttercup-mark-skipped '("1-1-1" "1-1-2" "1-4" "2-4") t))
     (expect (buttercup-suites-total-specs-defined suites) :to-equal 11)
     (expect (buttercup-suites-total-specs-pending suites) :to-equal 8))
   (it "should support predicates"