tests/*: fundamental implementation of build-time package integrity check modules

Signed-off-by: Camber Huang <camber@aosc.io>

Author: CamberLoid

tests/00-self_file.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+##tests/00-self_file.sh: invoke testing function defined in `autobuild/test`
+##Part of AB3 build-time package integrity check implementation.
+##@copyright GPL-2.0+
+
+. "$AB/tests"/_base.sh
+
+abtest() {
+    abwarn "ABTEST_TYPE is set to self, but no abtest() found in autobuild{,/\$ARCH}/test"
+    return 127
+}
+
+abtest_unprivileged() {
+    abwarn "ABTEST_TYPE is set to self, but no abtest_unprivileged() found in autobuild{,/\$ARCH}/test"
+    return 127
+}
+
+# Redefine 
+arch_loadfile "$SRCDIR"/test
+
+abtest || abtest_non-zero-handler $1 "$SRCDIR"/test
+abtest_unprivileged || abtest_unprivileged_non-zero-handler $1 "$SRCDIR"/test

tests/01-self_files.sh

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+#!/bin/bash
+##tests/01-self_files.sh: invoke testing function defined in `autobuild/tests/T*.sh`
+##Part of AB3 build-time package integrity check implementation.
+##@copyright GPL-2.0+
+
+. "$AB/tests"/_base.sh
+
+for i in "$SRCDIR"/tests/T*.sh
+do
+    arch_loadfile $i
+    abtest || abtest_non-zero-handler $? $i
+    abtest_unprivileged || abtest_non-zero-handler $? $i
+    unset abtest abtest_unprivileged
+done
+

tests/_base.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+##tests/_base.sh: Basic functions of build-time package integrity check modules.
+##@copyright GPL-2.0+
+
+abtest_non-zero-handler() {
+    case $1 in
+        0) return 0;;
+        127) abwarn "No abtest() available in file ${2}";;
+        *) abwarn "Non-zero returned: ${1}!";;
+    esac
+}
+
+abtest_unprivileged_non-zero-handler() {
+    case $1 in
+        127) abwarn "No abtest_unprivileged() available in file ${2}";;
+        *) abtest_non-zero-handler $1 $2;;
+    esac
+}