diff --git a/humanize/time_test.go b/humanize/time_test.go
new file mode 100644
index 0000000..e921d28
--- /dev/null
+++ b/humanize/time_test.go
@@ -0,0 +1,24 @@
+package humanize
+
+import (
+	"testing"
+	"time"
+)
+
+var timeSinceTests = []struct {
+	in  time.Time
+	out string
+}{
+	{time.Now().AddDate(0, 0, -1), "1 day"},
+	{time.Now().AddDate(0, -1, -1), "1 month 1 day"},
+	{time.Now().Add(time.Minute * -10), "10 mins"},
+	{time.Now().Add(time.Minute * -10 + time.Second * -30), "10 mins 30 secs"},
+}
+
+func TestTimeSince(t *testing.T) {
+	for _, testCase := range timeSinceTests {
+		if since := TimeSince(testCase.in); since != testCase.out {
+			t.Errorf("Incorrect time since string. Expected %s, Actual: %s", testCase.out, since)
+		}
+	}
+}
\ No newline at end of file