Add test for reloading history including unicode (currently fails).

tools/unicode_tests.py

@@ -1,11 +1,16 b''
+#!/usr/bin/env python
 # coding: utf-8
 """These tests have to be run separately from the main test suite (iptest),
 because that sets the default encoding to utf-8, and it cannot be changed after
 the interpreter is up and running. The default encoding in a Python 2.x 
 environment is ASCII."""
-import unittest, sys
+import unittest
+import sys, os.path
 
+from IPython.core import ipapi
 from IPython.core import compilerop
+from IPython.core.history import HistoryManager
+from IPython.utils.tempdir import TemporaryDirectory
 
 assert sys.getdefaultencoding() == "ascii"
 
@@ -13,6 +18,34 b' class CompileropTest(unittest.TestCase):'
     def test_accept_unicode(self):
         cp = compilerop.CachingCompiler()
         cp(u"t = 'žćčšđ'", "single")
+        
+class HistoryTest(unittest.TestCase):
+    def test_reload_unicode(self):
+        ip = ipapi.get()
+        with TemporaryDirectory() as tmpdir:
+            histfile = os.path.realpath(os.path.join(tmpdir, 'history.json'))
+            # Ensure that we restore the history management that we mess with in
+            # this test doesn't affect the IPython instance used by the test suite
+            # beyond this test.
+            hist_manager_ori = ip.history_manager
+            try:
+                ip.history_manager = HistoryManager(ip)
+                ip.history_manager.hist_file = histfile
+                print 'test',histfile
+                hist = [u"t = 'žćčšđ'"]
+                # test save and load
+                ip.history_manager.input_hist_raw[:] = []
+                for h in hist:
+                    ip.history_manager.input_hist_raw.append(h)
+                ip.save_history()
+                ip.history_manager.input_hist_raw[:] = []
+                ip.reload_history()
+                self.assert_equal(len(ip.history_manager.input_hist_raw), len(hist))
+                for i,h in enumerate(hist):
+                    nt.assert_equal(hist[i], ip.history_manager.input_hist_raw[i])
+            finally:
+                # Restore history manager
+                ip.history_manager = hist_manager_ori
 
 if __name__ == "__main__":
     unittest.main()