TW-1610: Add tests

- More GC tests needed, this is just a basic "starter pack" to
  reproduce the problem reported in TW-1610.

test/gc.t

@@ -0,0 +1,69 @@
+#!/usr/bin/env python2.7
+# -*- coding: utf-8 -*-
+###############################################################################
+#
+# Copyright 2006 - 2015, Paul Beckingham, Federico Hernandez.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+# http://www.opensource.org/licenses/mit-license.php
+#
+###############################################################################
+
+import sys
+import os
+import unittest
+# Ensure python finds the local simpletap module
+sys.path.append(os.path.dirname(os.path.abspath(__file__)))
+
+from basetest import Task, TestCase
+
+
+class TestGC(TestCase):
+    def setUp(self):
+        self.t = Task()
+        self.t.config("report.gctest.description", "gctest")
+        self.t.config("report.gctest.columns", "id,description,tags")
+        self.t.config("report.gctest.sort", "id+")
+        self.t(("add", "one"))
+        self.t(("add", "two"))
+        self.t(("add", "three"))
+
+    def test_gc_off_id(self):
+        """ID retained when GC off"""
+        self.t.config("gc", "off")
+        self.t(("1", "done"))
+        code, out, err = self.t(("gctest",))
+        self.assertRegexpMatches(out, "1\s+one", "should still have ID")
+
+    def test_gc_off_mod(self):
+        """mod by ID after done with gc off"""
+        self.t.config("gc", "off")
+        self.t(("1", "done"))
+        self.t(("gctest",))
+        self.t(("2", "mod", "+TWO"))
+        code, out, err = self.t(("gctest",))
+        self.assertRegexpMatches(out, "2\s+two\s+TWO", "modified 'two'")
+
+
+if __name__ == "__main__":
+    from simpletap import TAPTestRunner
+    unittest.main(testRunner=TAPTestRunner())
+
+# vim: ai sts=4 et sw=4