Add is_package_installed function to know if a package is installed
This helps reduce the distro-dependent code in stack.sh, and also fixes
the bug where "rpm -qa | grep sudo" will work if gnome-sudoku is
installed.
Rebased
Change-Id: Ib1330b29b915b41d9724197edd791f0d4e0fe373
diff --git a/tests/functions.sh b/tests/functions.sh
index f111a48..3a0f319 100755
--- a/tests/functions.sh
+++ b/tests/functions.sh
@@ -239,3 +239,44 @@
test_disable_negated_services 'b,a,-a' 'b'
test_disable_negated_services 'a,b,-a' 'b'
test_disable_negated_services 'a,-a,b' 'b'
+
+
+echo "Testing is_package_installed()"
+
+if [[ -z "$os_PACKAGE" ]]; then
+ GetOSVersion
+fi
+
+if [[ "$os_PACKAGE" = "deb" ]]; then
+ is_package_installed dpkg
+ VAL=$?
+else
+ is_package_installed rpm
+ VAL=$?
+fi
+if [[ "$VAL" -eq 0 ]]; then
+ echo "OK"
+else
+ echo "is_package_installed() on existing package failed"
+fi
+
+if [[ "$os_PACKAGE" = "deb" ]]; then
+ is_package_installed dpkg bash
+ VAL=$?
+else
+ is_package_installed rpm bash
+ VAL=$?
+fi
+if [[ "$VAL" -eq 0 ]]; then
+ echo "OK"
+else
+ echo "is_package_installed() on more than one existing package failed"
+fi
+
+is_package_installed zzzZZZzzz
+VAL=$?
+if [[ "$VAL" -ne 0 ]]; then
+ echo "OK"
+else
+ echo "is_package_installed() on non-existing package failed"
+fi