From 3852c4efc918f0b7e3a6b5688c20287fb3863fc2 Mon Sep 17 00:00:00 2001
From: Mitja HORVAT <pinkfluid@gmail.com>
Date: Wed, 22 Sep 2021 19:22:37 +0200
Subject: [PATCH] meson: Add unit test framework

This commit also adds the first unit test. The unit test compares the
phonetic map generated by the Python and by the C implementation and
fails if the generated maps are different.
---
 meson.build           |  1 +
 tests/meson.build     | 12 ++++++++++++
 tests/test_phogen_map | 37 +++++++++++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+)
 create mode 100644 tests/meson.build
 create mode 100755 tests/test_phogen_map

diff --git a/meson.build b/meson.build
index 18daa75..1b33af6 100644
--- a/meson.build
+++ b/meson.build
@@ -8,3 +8,4 @@ PHOGEN_WORD_LIST = files('data/words_alpha.txt.backup')
 
 subdir('c')
 subdir('python')
+subdir('tests')
diff --git a/tests/meson.build b/tests/meson.build
new file mode 100644
index 0000000..bda9fd7
--- /dev/null
+++ b/tests/meson.build
@@ -0,0 +1,12 @@
+
+_phogen_map_c = PHOGEN_MAP_EXE.full_path()
+_phogen_map_py = meson.source_root() / '@0@'.format(PHOGEN_MAP_PY[0])
+_word_list = meson.source_root() / '@0@'.format(PHOGEN_WORD_LIST[0])
+
+test('test_phogen_map',
+    find_program('test_phogen_map'),
+    env : ['PHOGEN_MAP_C=@0@'.format(_phogen_map_c),
+           'PHOGEN_MAP_PY=@0@'.format(_phogen_map_py),
+           'PHOGEN_WORD_LIST=@0@'.format(_word_list)])
+
+
diff --git a/tests/test_phogen_map b/tests/test_phogen_map
new file mode 100755
index 0000000..ee3ad79
--- /dev/null
+++ b/tests/test_phogen_map
@@ -0,0 +1,37 @@
+#!/bin/sh -ex
+#
+# Test Case:
+#
+# Use the Python and C implementations to produce the various tables. Compare
+# if the generated files are identical for both.
+#
+# Environment:
+#
+# PHOGEN_MAP_C - should point to the C executable
+# PHOGEN_MAP_PY - should point to the Python executable
+# PHOGEN_WORD_LIST - word list
+
+function on_exit()
+{
+    rm -v /tmp/phogen_*_$$.h
+    rm -v /tmp/phogen_*_$$.json
+    rm -v /tmp/phogen_*_$$.py
+}
+
+trap on_exit EXIT
+
+$PHOGEN_MAP_C \
+    --input "$PHOGEN_WORD_LIST" \
+    --clang "/tmp/phogen_c_$$.h" \
+    --python "/tmp/phogen_c_$$.py" \
+    --json "/tmp/phogen_c_$$.json"
+
+$PHOGEN_MAP_PY \
+    --input "$PHOGEN_WORD_LIST" \
+    --clang "/tmp/phogen_py_$$.h" \
+    --python "/tmp/phogen_py_$$.py" \
+    --json "/tmp/phogen_py_$$.json"
+
+cmp /tmp/phogen_c_$$.h /tmp/phogen_py_$$.h
+cmp /tmp/phogen_c_$$.py /tmp/phogen_py_$$.py
+cmp /tmp/phogen_c_$$.json /tmp/phogen_py_$$.json