Add build-time tests

This requires newer Saturnin version in order to avoid bug where
SATURNIN_CONF_PATH environment variable would be ignored.

Makefile

 
 MKIT_DIR=utils/mkit
 include $(MKIT_DIR)/mkit.mk
+
+TF_DIR=utils/tfkit
+include $(TF_DIR)/tfkit.mk

mkit.ini

     tarball  = mkit.ini
     tarball  = packaging
     tarball  = src
+    tarball  = tests
     tarball  = utils
     rpmstuff = packaging/template.spec
     debstuff = packaging/debian

packaging/debian/control

 Standards-Version: 3.9.2
 Build-Depends:
  debhelper (>= 9),
+ shellfu (>= 0.10),
+ shellfu (<< 0.11),
+ shellfu-bash-pretty,
+ shellfu-bash-saturnin (>= 0.4.8),
+ shellfu-bash-saturnin (<< 5.0),
 
 Package: __MKIT_PROJ_PKGNAME__
 Architecture: all
  shellfu (>= 0.10),
  shellfu (<< 0.11),
  shellfu-bash-pretty,
- shellfu-bash-saturnin (>= 0.4.7),
+ shellfu-bash-saturnin (>= 0.4.8),
  shellfu-bash-saturnin (<< 5.0),
 Description: __MKIT_PROJ_NAME__ - __MKIT_PROJ_TAGLINE__
  saturnin is Shellfu library that helps you easily build toolkit from

packaging/debian/rules

 override_dh_auto_install:
 
 	make install DESTDIR=debian/tmp PREFIX=/usr
+
+override_dh_auto_test:
+
+	make clean
+	make install PREFIX=/usr DESTDIR=TEST
+	make test \
+		PATH="$(shell pwd)/TEST/usr/bin:$(PATH)" \
+		SATURNIN_CONF_PATH="$(shell pwd)/TEST/usr/share/bmo/ini.d"

packaging/template.spec

 License:        LGPLv2
 Source0:        %{name}-%{version}.tar.gz
 BuildArch:      noarch
+BuildRequires:  shellfu >= 0.10, shellfu < 0.11
+BuildRequires:  shellfu-bash-saturnin >= 0.4.8, shellfu-bash-saturnin < 0.5.0
 
 Requires:       shellfu >= 0.10, shellfu < 0.11
-Requires:       shellfu-bash-saturnin >= 0.4.7, shellfu-bash-saturnin < 0.5.0
+Requires:       shellfu-bash-saturnin >= 0.4.8, shellfu-bash-saturnin < 0.5.0
 %description
 saturnin is Shellfu library that helps you easily build toolkit from
 various scripts that you may have lying around.  Instead of having a
 %install
 %make_install PREFIX=/usr
 
+%check
+make test \
+    PATH="%{buildroot}/%{_bindir}:$PATH" \
+    SATURNIN_CONF_PATH="%{buildroot}/%{_datadir}/%{name}/ini.d"
+
 %files
 %config %{_sysconfdir}/bash_completion.d/%{name}.bash
 %dir %{_datadir}/%{name}

tests/TF_HEADER

+#!/bin/bash
+
+. "$(sfpath)" || exit 3
+
+echo "version: $(saturnin-demo -V)"
+echo "binary: $(which saturnin-demo)"
+echo "saturnin-version: $(saturnin-demo --saturnin-get-saturnin-version)"
+echo "saturnin-conf-path: $(saturnin-demo --saturnin-get-saturnin-conf-path)"

tests/sd_echo/TF_RUN

+#!/bin/bash
+#shellcheck disable=SC1090
+
+. "$TF_DIR/include/subtest.sh"
+. "$TF_DIR/include/tools.sh"
+
+
+tf_enum_subtests() {
+    echo name
+    echo name_ex
+    echo world
+}
+
+mkini() {
+    mkdir -p "test/ini"
+    {
+        echo '[echo]'
+        echo '    prefix = Hello'
+    } > "test/ini/echo.ini"
+}
+
+mkoracle_out() {
+    mkdir -p oracle
+    case $TF_SUBTEST in
+        name)     echo 'HelloJoe' ;;
+        name_ex)  echo 'HelloMaggie!' ;;
+        world)    echo 'HelloWorld' ;;
+    esac > "oracle/$TF_SUBTEST.stdout"
+}
+
+mkoracle_err() {
+    mkdir -p oracle
+    true > "oracle/$TF_SUBTEST.stderr"
+}
+
+mkoracle_es() {
+    return 0
+}
+
+mkresult() {
+    local what
+    case $TF_SUBTEST in
+        name)    what="Joe" ;;
+        name_ex) what="Maggie!" ;;
+        world)   what="World" ;;
+    esac
+    (
+        export PRETTY=plain
+        export SATURNIN_CONF_PATH="test/ini"
+        saturnin-demo echo "$what"
+    )
+}
+
+tf_do_subtest() {
+    local o_es
+    mkini
+    mkoracle_out
+    mkoracle_err
+    mkoracle_es; o_es=$?
+    tf_testflt \
+      -n "$TF_SUBTEST" \
+      -O "oracle/$TF_SUBTEST.stdout" \
+      -E "oracle/$TF_SUBTEST.stderr" \
+      -S "$o_es" \
+      "mkresult"
+}
+
+tf_do_subtests