[libgweather/ebassi/test-style-format: 4/7] tests: Add coding style check

[Emmanuele Bassi <ebassi src gnome org>]

commit 430ba87d96d10bfa5fbf0d237d19a30c200996a2
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Jan 17 11:22:52 2022 +0000

    tests: Add coding style check
    
    Since we're going to run it on our CI pipeline, we might as well do this
    in the test suite. This should allow people to catch coding style issues
    before opening a merge request. And by "people" I really mean "me".

 libgweather/meson.build | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)
---
diff --git a/libgweather/meson.build b/libgweather/meson.build
index b5d0b4d4..f573d452 100644
--- a/libgweather/meson.build
+++ b/libgweather/meson.build
@@ -150,7 +150,6 @@ gweather_enum_types = gnome.mkenums('gweather-enum-types',
 install_headers(gweather_headers + ['gweather.h'], subdir: header_subdir)
 
 gweather_c_sources = [
-  gweather_enum_types,
   'gweather.c',
   'gweather-info.c',
   'gweather-location.c',
@@ -166,10 +165,15 @@ gweather_priv_sources = [
   'weather-moon.c',
 ]
 
-introspection_sources = gweather_c_sources + gweather_headers
+introspection_sources = [
+  gweather_enum_types,
+  gweather_c_sources,
+  gweather_headers,
+]
 
 libgweather_static = static_library('gweather',
   sources: [
+    gweather_enum_types,
     gweather_c_sources,
     gweather_priv_sources,
   ],
@@ -180,7 +184,8 @@ libgweather_static = static_library('gweather',
   ],
 )
 
-libgweather_static_dep = declare_dependency(sources: gweather_c_sources,
+libgweather_static_dep = declare_dependency(
+  sources: gweather_enum_types,
   include_directories: [
     include_directories('.'),
     include_directories('..'),
@@ -277,4 +282,13 @@ pkgconfig.generate(
 if get_option('tests')
   subdir('tests')
   subdir('tools')
+
+  clang_format = find_program('clang-format', required: false)
+  if clang_format.found()
+    test('style-format', clang_format,
+      args: ['--dry-run', '--Werror', gweather_c_sources],
+      workdir: meson.current_source_dir(),
+      suite: ['lint'],
+    )
+  endif
 endif