Run tests in autotools build system.

* build-aux/test-driver.scm.in: New file.
* configure.ac: Generate build-aux/test-driver.scm.
* Makefile.am (TEST_EXTENSIONS): Add .scm.
(SCM_TESTS): Add tests/ccwl.scm and tests/yaml.scm.
(TESTS): Set to SCM_TESTS.
(EXTRA_DIST): Distribute test files.

3 files changed, 84 insertions, 0 deletions

diff --git a/Makefile.am b/Makefile.am
index a5e66f9..cabf6cc 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -44,11 +44,20 @@ SOURCES =			\
   ccwl/yaml.scm		        \
   ccwl/utils.scm
 
+TEST_EXTENSIONS = .scm
+
+SCM_TESTS =			\
+  tests/ccwl.scm                \
+  tests/yaml.scm
+
+TESTS = $(SCM_TESTS)
+
 SCM_LOG_DRIVER =		\
   $(top_builddir)/pre-inst-env	\
   $(GUILE) --no-auto-compile -s \
   $(top_builddir)/build-aux/test-driver.scm
 
 EXTRA_DIST +=			\
+  $(TESTS)                      \
   COPYING			\
   README.org
diff --git a/build-aux/test-driver.scm.in b/build-aux/test-driver.scm.in
new file mode 100644
index 0000000..2994739
--- /dev/null
+++ b/build-aux/test-driver.scm.in
@@ -0,0 +1,74 @@
+;;; ccwl --- Concise Common Workflow Language
+;;; Copyright © 2021 Arun Isaac <arunisaac@systemreboot.net>
+;;;
+;;; This file is part of ccwl.
+;;;
+;;; ccwl is free software: you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation, either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; ccwl is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with ccwl.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; This is a better test driver for Guile's (srfi srfi-64).
+;;
+;; TODO: Improve Guile's test driver so this module won't be
+;; necessary.
+
+;;; Code:
+
+(use-modules (ice-9 format)
+             (ice-9 getopt-long)
+             (srfi srfi-26)
+             (srfi srfi-64))
+
+;; Currently, only log-file and trs-file are understood. Everything
+;; else is ignored.
+(define %options
+  '((test-name (value #t))
+    (log-file (value #t))
+    (trs-file (value #t))
+    (color-tests (value #t))
+    (expect-failure (value #t))
+    (enable-hard-errors (value #t))))
+
+(define (my-gnu-runner log-port trs-port)
+  (let ((runner (test-runner-simple)))
+    (test-runner-on-group-begin! runner
+      (lambda (runner suite-name count)
+        (format #t "%%%% Starting test ~a~%" suite-name)
+        (format log-port "%%%% Starting test ~a~%" suite-name)
+        ;; Set log-port in the aux-value field for use by other parts
+        ;; of test-runner-simple
+        (test-runner-aux-value! runner log-port)
+        (format #t "  (Writing full log to \"~a\")~%" (port-filename log-port))))
+    (test-runner-on-group-end! runner (const #f))
+    (test-runner-on-test-end! runner
+      (lambda (runner)
+        (let ((name (test-runner-test-name runner))
+              (result (string-upcase
+                       (symbol->string (test-result-kind runner)))))
+          (format trs-port ":test-result: ~a ~a~%" result name)
+          (format (current-error-port)
+                  "\x1b[~:[31~;32~]m~a\x1b[0m ~a~%"
+                  (eq? (test-result-kind runner) 'pass)
+                  result name))))
+    runner))
+
+(let ((opts (getopt-long (command-line) %options)))
+  (call-with-output-file (string-append "@abs_top_builddir@/"
+                                        (option-ref opts 'log-file #f))
+    (lambda (log-port)
+      (call-with-output-file (option-ref opts 'trs-file #f)
+        (lambda (trs-port)
+          (chdir "@abs_top_srcdir@")
+          (test-with-runner (my-gnu-runner log-port trs-port)
+            (load-from-path (option-ref opts 'test-name #f))))))))
diff --git a/configure.ac b/configure.ac
index 531b29c..a7338b9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,5 +26,6 @@ GUILE_PROGS
 
 AC_CONFIG_FILES([Makefile])
 AC_CONFIG_FILES([pre-inst-env], [chmod +x pre-inst-env])
+AC_CONFIG_FILES([build-aux/test-driver.scm])
 AC_CONFIG_FILES([scripts/ccwl], [chmod +x scripts/ccwl])
 AC_OUTPUT