diff --git a/codecov.yml b/codecov.yml
index 805f5187..0a7e08aa 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -22,5 +22,3 @@ parsers:
       loop: yes
       method: no
       macro: no
-
-# comment: false
diff --git a/nw/common.py b/nw/common.py
index 71aa4873..2d82290b 100644
--- a/nw/common.py
+++ b/nw/common.py
@@ -224,9 +224,9 @@ def fuzzyTime(secDiff):
         return "%d weeks ago" % int(round(secDiff/604800))
     elif secDiff < 3888000: # 45 days
         return "a month ago"
-    elif secDiff < 31104000: # 360 days
+    elif secDiff < 29808000: # 345 days
         return "%d months ago" % int(round(secDiff/2592000))
-    elif secDiff < 47304000: # 1.5 years
+    elif secDiff < 47336400: # 1.5 years
         return "a year ago"
     else:
         return "%d years ago" % int(round(secDiff/31557600))
diff --git a/tests/test_common.py b/tests/test_common.py
index f2b895e2..94e384db 100644
--- a/tests/test_common.py
+++ b/tests/test_common.py
@@ -3,7 +3,10 @@
 """
 
 import pytest
-from nw.common import checkString, checkBool, checkInt, colRange
+from nw.common import (
+    checkString, checkBool, checkInt, colRange, formatInt, transferCase,
+    fuzzyTime
+)
 from nwtools import cmpList
 
 @pytest.mark.core
@@ -62,3 +65,55 @@ def testColRange():
         colRange([200, 50, 0], [50, 200, 0], 5),
         [[200, 50, 0], [162, 87, 0], [124, 124, 0], [86, 161, 0], [50, 200, 0]]
     )
+
+@pytest.mark.core
+def testFormatInt():
+    assert formatInt(1000) == "1000"
+    assert formatInt(1234) == "1.23k"
+    assert formatInt(12345) == "12.3k"
+    assert formatInt(123456) == "123k"
+    assert formatInt(1234567) == "1.23M"
+    assert formatInt(12345678) == "12.3M"
+    assert formatInt(123456789) == "123M"
+    assert formatInt(1234567890) == "1.23G"
+
+@pytest.mark.core
+def testTransferCase():
+    assert transferCase(1, "TaRgEt") == "TaRgEt"
+    assert transferCase("source", 1) == 1
+    assert transferCase("", "TaRgEt") == "TaRgEt"
+    assert transferCase("source", "") == ""
+    assert transferCase("Source", "target") == "Target"
+    assert transferCase("SOURCE", "target") == "TARGET"
+    assert transferCase("source", "TARGET") == "target"
+
+@pytest.mark.core
+def testFuzzyTime():
+    assert fuzzyTime(-1) == "in the future"
+    assert fuzzyTime(0) == "just now"
+    assert fuzzyTime(29) == "just now"
+    assert fuzzyTime(30) == "a minute ago"
+    assert fuzzyTime(89) == "a minute ago"
+    assert fuzzyTime(90) == "2 minutes ago"
+    assert fuzzyTime(149) == "2 minutes ago"
+    assert fuzzyTime(151) == "3 minutes ago"
+    assert fuzzyTime(3299) == "55 minutes ago"
+    assert fuzzyTime(3300) == "an hour ago"
+    assert fuzzyTime(5399) == "an hour ago"
+    assert fuzzyTime(5400) == "2 hours ago"
+    assert fuzzyTime(84599) == "23 hours ago"
+    assert fuzzyTime(84600) == "a day ago"
+    assert fuzzyTime(129599) == "a day ago"
+    assert fuzzyTime(129600) == "2 days ago"
+    assert fuzzyTime(561599) == "6 days ago"
+    assert fuzzyTime(561600) == "a week ago"
+    assert fuzzyTime(907199) == "a week ago"
+    assert fuzzyTime(907200) == "2 weeks ago"
+    assert fuzzyTime(2419199) == "4 weeks ago"
+    assert fuzzyTime(2419200) == "a month ago"
+    assert fuzzyTime(3887999) == "a month ago"
+    assert fuzzyTime(3888000) == "2 months ago"
+    assert fuzzyTime(29807999) == "11 months ago"
+    assert fuzzyTime(29808000) == "a year ago"
+    assert fuzzyTime(47336399) == "a year ago"
+    assert fuzzyTime(47336400) == "2 years ago"