meta/classes: add ptest-perl.bbclass

* Enable easier testing of perl modules
  - Installs t/* to PTEST_PATH
  - Uses common run-ptest script

(From OE-Core rev: aeffa15350252489c62cd221b2e0548043fec548)

Signed-off-by: Tim Orling <timothy.t.orling@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/ptest-perl.bbclass

@@ -0,0 +1,30 @@
+inherit ptest
+
+FILESEXTRAPATHS_prepend := "${COREBASE}/meta/files:"
+
+SRC_URI += "file://ptest-perl/run-ptest"
+
+do_install_ptest_perl() {
+	install -d ${D}${PTEST_PATH}
+	if [ ! -f ${D}${PTEST_PATH}/run-ptest ]; then
+		install -m 0755 ${WORKDIR}/ptest-perl/run-ptest ${D}${PTEST_PATH}
+	fi
+	cp -r ${B}/t ${D}${PTEST_PATH}
+	chown -R root:root ${D}${PTEST_PATH}
+}
+
+FILES_${PN}-ptest_prepend = "${PTEST_PATH}/t/* ${PTEST_PATH}/run-ptest "
+
+RDEPENDS_${PN}-ptest_prepend = "perl "
+
+addtask install_ptest_perl after do_install_ptest_base before do_package
+
+python () {
+    if not bb.data.inherits_class('native', d) and not bb.data.inherits_class('cross', d):
+        d.setVarFlag('do_install_ptest_perl', 'fakeroot', '1')
+
+    # Remove all '*ptest_perl' tasks when ptest is not enabled
+    if not(d.getVar('PTEST_ENABLED') == "1"):
+        for i in ['do_install_ptest_perl']:
+            bb.build.deltask(i, d)
+}

meta/files/ptest-perl/run-ptest

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+for case in `find t -type f -name '*.t'`; do
+    perl $case >$case.output 2>&1
+    ret=$?
+    cat $case.output
+    if [ $ret -ne 0 ]; then
+        echo "FAIL: ${case%.t}"
+    elif grep -i 'SKIP' $case.output; then
+        echo "SKIP: ${case%.t}"
+    else
+        echo "PASS: ${case%.t}"
+    fi
+
+    rm -f $case.output
+done