Add some simple regression tests for regexes.re_single_line_field

In particular, check fields that being with a colon (see d7eb2f0).

diff --git a/tests/test_regexes.py b/tests/test_regexes.py
new file mode 100755 (executable)
index 0000000..7c43d09
--- /dev/null
+++ b/tests/test_regexes.py
@@ -0,0 +1,31 @@
+import unittest
+
+import os, sys
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from daklib import regexes
+
+class re_single_line_field(unittest.TestCase):
+    MATCH = regexes.re_single_line_field.match
+
+    def testSimple(self):
+        self.assertEqual(self.MATCH('Foo: bar').groups(), ('Foo', 'bar'))
+
+    def testLeadingWhitespace(self):
+        self.assertEqual(self.MATCH(' Foo: bar'), None)
+
+    def testTrailingWhitespace(self):
+        self.assertEqual(self.MATCH('Foo: bar \n').groups(), ('Foo', 'bar '))
+
+    def testMiddleWhitespace(self):
+        self.assertEqual(self.MATCH('Foo:  bar').groups(), ('Foo', 'bar'))
+        self.assertEqual(self.MATCH('Foo :  bar').groups(), ('Foo', 'bar'))
+        self.assertEqual(self.MATCH('Foo \n:\n  bar').groups(), ('Foo', 'bar'))
+        self.assertEqual(self.MATCH('Foo:bar').groups(), ('Foo', 'bar'))
+
+    def testColons(self):
+        self.assertEqual(self.MATCH('Foo: :').groups(), ('Foo', ':'))
+        self.assertEqual(self.MATCH('Foo: ::').groups(), ('Foo', '::'))
+        self.assertEqual(self.MATCH(': ::').groups(), ('', '::'))
+        self.assertEqual(self.MATCH('Foo::bar').groups(), ('Foo', ':bar'))
+        self.assertEqual(self.MATCH('Foo: :bar').groups(), ('Foo', ':bar'))