tests: add tests for abuild-keygen

tests/abuild-keygen.bats

@@ -0,0 +1,31 @@
+setup() {
+	export ABUILD_KEYGEN="$PWD/../abuild-keygen"
+	export ABUILD_SHAREDIR="$PWD/.."
+	tmpdir="$BATS_TMPDIR"/abuild-keygen
+	export ABUILD_USERDIR="$tmpdir"/user
+	export PACKAGER="Test User <user@example.com>"
+	mkdir -p "$ABUILD_USERDIR"
+}
+
+teardown() {
+	rm -rf "$tmpdir"
+}
+
+@test "abuild-keygen: help text" {
+	$ABUILD_KEYGEN --help
+}
+
+@test "abuild-keygen: generate key non-interactively" {
+	$ABUILD_KEYGEN -n
+}
+
+@test "abuild-keygen: --append option" {
+	$ABUILD_KEYGEN --append -n
+	grep ^PACKAGER_PRIVKEY= "$ABUILD_USERDIR"/abuild.conf
+}
+
+@test "abuild-keygen: --install option fails without SUDO" {
+	run SUDO=false $ABUILD_KEYGEN --install
+	[ $status -ne 0 ]
+}
+