Add `assert_match` and `assert_not_match`

1 files changed, 33 insertions, 0 deletions

diff --git a/test/assert.rb b/test/assert.rb
index c57b04c12..4b01bd450 100644
--- a/test/assert.rb
+++ b/test/assert.rb
@@ -137,6 +137,39 @@ def _assert_include(affirmed, collection, obj, msg = nil)
 end
 
 ##
+# Fail unless +str+ matches against +pattern+.
+#
+# +pattern+ is interpreted as pattern for File.fnmatch?. It may contain the
+# following metacharacters:
+#
+# <code>*</code> ::
+#   Matches any string.
+#
+# <code>?</code> ::
+#   Matches any one character.
+#
+# <code>[_SET_]</code>, <code>[^_SET_]</code> (<code>[!_SET_]</code>) ::
+#   Matches any one character in _SET_.  Behaves like character sets in
+#   Regexp, including set negation (<code>[^a-z]</code>).
+#
+# <code>{_A_,_B_}</code> ::
+#   Matches pattern _A_ or pattern _B_.
+#
+# <code> \ </code> ::
+#   Escapes the next character.
+def assert_match(*args); _assert_match(true, *args) end
+def assert_not_match(*args); _assert_match(false, *args) end
+def _assert_match(affirmed, pattern, str, msg = nil)
+  receiver, *args = RUBY_ENGINE == "mruby" ?
+    [self, :_str_match?, pattern, str] :
+    [File, :fnmatch?, pattern, str, File::FNM_EXTGLOB|File::FNM_DOTMATCH]
+  unless ret = !receiver.__send__(*args) == !affirmed
+    diff = "    Expected #{pattern.inspect} to #{'not ' unless affirmed}match #{str.inspect}."
+  end
+  assert_true(ret, msg, diff)
+end
+
+##
 # Fails unless +obj+ is a kind of +cls+.
 def assert_kind_of(cls, obj, msg = nil)
   unless ret = obj.kind_of?(cls)