Add testing for spack blame; refactor llnl.util tests

lib/spack/llnl/util/lang.py

@@ -22,6 +22,8 @@
 # License along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ##############################################################################
+from __future__ import division
+
 import os
 import re
 import functools
@@ -104,21 +106,6 @@ def index_by(objects, *funcs):
     return result
 
 
-def partition_list(elements, predicate):
-    """Partition a list into two lists, the first containing elements
-       for which the predicate evaluates to true, the second containing
-       those for which it is false.
-    """
-    trues = []
-    falses = []
-    for elt in elements:
-        if predicate(elt):
-            trues.append(elt)
-        else:
-            falses.append(elt)
-    return trues, falses
-
-
 def caller_locals():
     """This will return the locals of the *parent* of the caller.
        This allows a function to insert variables into its caller's
@@ -425,30 +412,30 @@ def pretty_date(time, now=None):
         if second_diff < 120:
             return "a minute ago"
         if second_diff < 3600:
-            return str(second_diff / 60) + " minutes ago"
+            return str(second_diff // 60) + " minutes ago"
         if second_diff < 7200:
             return "an hour ago"
         if second_diff < 86400:
-            return str(second_diff / 3600) + " hours ago"
+            return str(second_diff // 3600) + " hours ago"
     if day_diff == 1:
         return "yesterday"
     if day_diff < 7:
         return str(day_diff) + " days ago"
     if day_diff < 28:
-        weeks = day_diff / 7
+        weeks = day_diff // 7
         if weeks == 1:
             return "a week ago"
         else:
-            return str(day_diff / 7) + " weeks ago"
+            return str(day_diff // 7) + " weeks ago"
     if day_diff < 365:
-        months = day_diff / 30
+        months = day_diff // 30
         if months == 1:
             return "a month ago"
         elif months == 12:
             months -= 1
         return str(months) + " months ago"
 
-    diff = day_diff / 365
+    diff = day_diff // 365
     if diff == 1:
         return "a year ago"
     else:

lib/spack/spack/test/cmd/blame.py

@@ -55,5 +55,5 @@ def test_blame_by_git(builtin_mock, capfd):
     """Sanity check the blame command to make sure it works."""
     with capfd.disabled():
         out = blame('--git', 'mpich')
-    assert 'Mpich' in out
-    assert 'mock_packages' in out
+    assert 'class Mpich' in out
+    assert '    homepage   = "http://www.mpich.org"' in out

lib/spack/spack/test/llnl/util/lang.py

@@ -0,0 +1,96 @@
+##############################################################################
+# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+import pytest
+from datetime import datetime, timedelta
+
+from llnl.util.lang import *
+
+
+def test_pretty_date():
+    """Make sure pretty_date prints the right dates."""
+    now = datetime.now()
+
+    just_now = now - timedelta(seconds=5)
+    assert pretty_date(just_now, now) == "just now"
+
+    seconds = now - timedelta(seconds=30)
+    assert pretty_date(seconds, now) == "30 seconds ago"
+
+    a_minute = now - timedelta(seconds=60)
+    assert pretty_date(a_minute, now) == "a minute ago"
+
+    minutes = now - timedelta(seconds=1800)
+    assert pretty_date(minutes, now) == "30 minutes ago"
+
+    an_hour = now - timedelta(hours=1)
+    assert pretty_date(an_hour, now) == "an hour ago"
+
+    hours = now - timedelta(hours=2)
+    assert pretty_date(hours, now) == "2 hours ago"
+
+    yesterday = now - timedelta(days=1)
+    assert pretty_date(yesterday, now) == "yesterday"
+
+    days = now - timedelta(days=3)
+    assert pretty_date(days, now) == "3 days ago"
+
+    a_week = now - timedelta(weeks=1)
+    assert pretty_date(a_week, now) == "a week ago"
+
+    weeks = now - timedelta(weeks=2)
+    assert pretty_date(weeks, now) == "2 weeks ago"
+
+    a_month = now - timedelta(days=30)
+    assert pretty_date(a_month, now) == "a month ago"
+
+    months = now - timedelta(days=60)
+    assert pretty_date(months, now) == "2 months ago"
+
+    a_year = now - timedelta(days=365)
+    assert pretty_date(a_year, now) == "a year ago"
+
+    years = now - timedelta(days=365 * 2)
+    assert pretty_date(years, now) == "2 years ago"
+
+
+def test_match_predicate():
+    matcher = match_predicate(lambda x: True)
+    assert matcher('foo')
+    assert matcher('bar')
+    assert matcher('baz')
+
+    matcher = match_predicate(['foo', 'bar'])
+    assert matcher('foo')
+    assert matcher('bar')
+    assert not matcher('baz')
+
+    matcher = match_predicate(r'^(foo|bar)$')
+    assert matcher('foo')
+    assert matcher('bar')
+    assert not matcher('baz')
+
+    with pytest.raises(ValueError):
+        matcher = match_predicate(object())
+        matcher('foo')