test: add build configs for catch2

meson.build

@@ -360,6 +360,15 @@ if scdoc.found()
     endforeach
 endif
 
+catch2 = dependency(
+    'catch2',
+    fallback: ['catch2', 'catch2_dep'],
+    required: get_option('tests'),
+)
+if catch2.found()
+    subdir('test')
+endif
+
 clangtidy = find_program('clang-tidy', required: false)
 
 if clangtidy.found()

meson_options.txt

@@ -10,3 +10,4 @@ option('mpd', type: 'feature', value: 'auto', description: 'Enable support for t
 option('gtk-layer-shell', type: 'feature', value: 'auto', description: 'Use gtk-layer-shell library for popups support')
 option('rfkill', type: 'feature', value: 'auto', description: 'Enable support for RFKILL')
 option('sndio', type: 'feature', value: 'auto', description: 'Enable support for sndio')
+option('tests', type: 'feature', value: 'auto', description: 'Enable tests')

subprojects/catch2.wrap

@@ -0,0 +1,12 @@
+[wrap-file]
+directory = Catch2-2.13.3
+source_url = https://github.com/catchorg/Catch2/archive/v2.13.3.zip
+source_filename = Catch2-2.13.3.zip
+source_hash = 1804feb72bc15c0856b4a43aa586c661af9c3685a75973b6a8fc0b950c7cfd13
+patch_url = https://github.com/mesonbuild/catch2/releases/download/2.13.3-2/catch2.zip
+patch_filename = catch2-2.13.3-2-wrap.zip
+patch_hash = 21b590ab8c65b593ad5ee8f8e5b822bf9877b2c2672f97fbb52459751053eadf
+
+[provide]
+catch2 = catch2_dep
+

test/config.cpp

@@ -0,0 +1,4 @@
+#define CATCH_CONFIG_MAIN
+#include "config.hpp"
+
+#include <catch2/catch.hpp>

test/meson.build

@@ -0,0 +1,21 @@
+test_inc = include_directories('../include')
+test_dep = [
+    catch2,
+    fmt,
+    jsoncpp,
+    spdlog,
+]
+
+config_test = executable(
+    'config_test',
+    'config.cpp',
+    '../src/config.cpp',
+    dependencies: test_dep,
+    include_directories: test_inc,
+)
+
+test(
+    'Configuration test',
+    config_test,
+    workdir: meson.source_root(),
+)