tests: add tests for package preserve keyword

tests/xbps/libxbps/shell/Kyuafile

@@ -25,3 +25,4 @@ atf_test_program{name="cyclic_deps"}
 atf_test_program{name="conflicts"}
 atf_test_program{name="downgrade_hold"}
 atf_test_program{name="ignore"}
+atf_test_program{name="preserve"}

tests/xbps/libxbps/shell/Makefile

@@ -7,7 +7,7 @@ TESTSHELL+= replace_test installmode_test obsoletefiles_test
 TESTSHELL+= issue31_test scripts_test incorrect_deps_test
 TESTSHELL+= vpkg_test install_test preserve_files_test configure_test
 TESTSHELL+= update_shlibs update_hold update_repolock cyclic_deps conflicts
-TESTSHELL+= update_itself downgrade_hold ignore
+TESTSHELL+= update_itself downgrade_hold ignore preserve
 EXTRA_FILES = Kyuafile
 
 include $(TOPDIR)/mk/test.mk

tests/xbps/libxbps/shell/preserve.sh

@@ -0,0 +1,91 @@
+#!/usr/bin/env atf-sh
+
+atf_test_case preserve_update
+
+preserve_update_head() {
+	atf_set "descr" "Tests for pkg install/upgrade with preserve"
+}
+
+preserve_update_body() {
+	mkdir some_repo
+	mkdir -p pkg_A/1.0
+	echo "blahblah" > pkg_A/1.0/blah
+	echo "foofoo" > pkg_A/1.0/foo
+
+	cd some_repo
+	xbps-create -A noarch -n A-1.0_1 -s "A pkg" --preserve ../pkg_A
+	atf_check_equal $? 0
+	xbps-rindex -d -a $PWD/*.xbps
+	atf_check_equal $? 0
+	cd ..
+
+	xbps-install -r root --repository=$PWD/some_repo -yd A
+	atf_check_equal $? 0
+
+	cd some_repo
+	mv ../pkg_A/1.0 ../pkg_A/1.1
+	rm -f *.xbps
+	xbps-create -A noarch -n A-1.1_1 -s "A pkg" --preserve ../pkg_A
+	atf_check_equal $? 0
+	xbps-rindex -d -a $PWD/*.xbps
+	atf_check_equal $? 0
+	cd ..
+
+	xbps-install -r root --repository=$PWD/some_repo -yd A
+	atf_check_equal $? 0
+
+	rv=0
+	[ -e root/1.0/blah -a -e root/1.0/blah ] || rv=1
+	[ -e root/1.1/blah -a -e root/1.1/blah ] || rv=2
+	atf_check_equal $rv 0
+
+	xbps-pkgdb -r root -av
+	atf_check_equal $? 0
+}
+
+atf_test_case preserve_update_conflict
+
+preserve_update_conflict_head() {
+	# current behaviour is to not fail
+	atf_set "descr" "Tests for pkg install/upgrade with preserve conflict"
+}
+
+preserve_update_conflict_body() {
+	mkdir some_repo
+	mkdir -p pkg_A/1.0
+	echo "blahblah" > pkg_A/1.0/blah
+	echo "foofoo" > pkg_A/1.0/foo
+
+	cd some_repo
+	xbps-create -A noarch -n A-1.0_1 -s "A pkg" --preserve ../pkg_A
+	atf_check_equal $? 0
+	xbps-rindex -d -a $PWD/*.xbps
+	atf_check_equal $? 0
+	cd ..
+
+	xbps-install -r root --repository=$PWD/some_repo -yd A
+	atf_check_equal $? 0
+
+	cd some_repo
+	rm -f *.xbps
+	xbps-create -A noarch -n A-1.0_2 -s "A pkg" --preserve ../pkg_A
+	atf_check_equal $? 0
+	xbps-rindex -d -a $PWD/*.xbps
+	atf_check_equal $? 0
+	cd ..
+
+	xbps-install -r root --repository=$PWD/some_repo -yd A
+	atf_check_equal $? 0
+
+	rv=0
+	[ -e root/1.0/blah -a -e root/1.0/blah ] || rv=1
+	atf_check_equal $rv 0
+
+	xbps-pkgdb -r root -av
+	atf_check_equal $? 0
+}
+
+atf_init_test_cases() {
+	atf_add_test_case preserve_update
+	atf_add_test_case preserve_update_conflict
+}