1 files changed, 31 insertions, 0 deletions
diff --git a/tools/util_test.py b/tools/util_test.py
new file mode 100644
index 000000000..3315a4eaf
--- /dev/null
+++ b/tools/util_test.py
@@ -0,0 +1,31 @@
+# Copyright 2018 the Deno authors. All rights reserved. MIT license.
+from util import pattern_match
+
+
+def pattern_match_test():
+    print "Testing util.pattern_match()..."
+    # yapf: disable
+    fixtures = [("foobarbaz", "foobarbaz", True),
+                ("[WILDCARD]", "foobarbaz", True),
+                ("foobar", "foobarbaz", False),
+                ("foo[WILDCARD]baz", "foobarbaz", True),
+                ("foo[WILDCARD]baz", "foobazbar", False),
+                ("foo[WILDCARD]baz[WILDCARD]qux", "foobarbazqatqux", True),
+                ("foo[WILDCARD]", "foobar", True),
+                ("foo[WILDCARD]baz[WILDCARD]", "foobarbazqat", True)]
+    # yapf: enable
+
+    # Iterate through the fixture lists, testing each one
+    for (pattern, string, expected) in fixtures:
+        actual = pattern_match(pattern, string)
+        assert expected == actual, "expected %s for\nExpected:\n%s\nTo equal actual:\n%s" % (
+            expected, pattern, string)
+
+    assert pattern_match("foo[BAR]baz", "foobarbaz",
+                         "[BAR]") == True, "expected wildcard to be set"
+    assert pattern_match("foo[BAR]baz", "foobazbar",
+                         "[BAR]") == False, "expected wildcard to be set"
+
+
+def util_test():
+    pattern_match_test()