# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1516496664 -3600
# Node ID 631922fcb0c1cb63b181d424e69beeeaaee09a4f
# Parent  e73ed084eba7ae04ba780d2dcffeda43de257eb0
Added a helper function to count and test occurrences of a string in output.

diff -r e73ed084eba7 -r 631922fcb0c1 tests/common.sh
--- a/tests/common.sh	Sat Jan 20 18:59:40 2018 +0100
+++ b/tests/common.sh	Sun Jan 21 02:04:24 2018 +0100
@@ -56,6 +56,15 @@
     echo "Success"
 }
 
+have_occurrences() {
+    # <string> <number> [ <filename> ]
+    if [ "$3" ]; then
+        [ `grep "$1" "$3" | wc -l` = "$2" ]
+    else
+        [ `grep "$1" | wc -l` = "$2" ]
+    fi
+}
+
 is_absent() {
     # <string> [ <filename> ]
     if [ "$2" ]; then