autotest: add test_build_options to test each entry in build_options.py

Tools/autotest/pysim/util.py

@@ -96,7 +96,7 @@ def relwaf():
     return "./modules/waf/waf-light"
 
 
-def waf_configure(board, j=None, debug=False, math_check_indexes=False, coverage=False, ekf_single=False, postype_single=False, sitl_32bit=False, extra_args=[]):
+def waf_configure(board, j=None, debug=False, math_check_indexes=False, coverage=False, ekf_single=False, postype_single=False, sitl_32bit=False, extra_args=[], extra_hwdef=None):
     cmd_configure = [relwaf(), "configure", "--board", board]
     if debug:
         cmd_configure.append('--debug')
@@ -110,6 +110,8 @@ def waf_configure(board, j=None, debug=False, math_check_indexes=False, coverage
         cmd_configure.append('--postype-single')
     if sitl_32bit:
         cmd_configure.append('--sitl-32bit')
+    if extra_hwdef is not None:
+        cmd_configure.extend(['--extra-hwdef', extra_hwdef])
     if j is not None:
         cmd_configure.extend(['-j', str(j)])
     pieces = [shlex.split(x) for x in extra_args]
@@ -122,6 +124,12 @@ def waf_clean():
     run_cmd([relwaf(), "clean"], directory=topdir(), checkfail=True)
 
 
+def waf_build(target=None):
+    cmd = [relwaf(), "build"]
+    if target is not None:
+        cmd.append(target)
+    run_cmd(cmd, directory=topdir(), checkfail=True)
+
 def build_SITL(build_target, j=None, debug=False, board='sitl', clean=True, configure=True, math_check_indexes=False, coverage=False,
                ekf_single=False, postype_single=False, sitl_32bit=False, extra_configure_args=[]):
 

Tools/autotest/test_build_options.py

@@ -0,0 +1,83 @@
+#!/usr/bin/env python
+
+"""
+Contains functions used to test the ArduPilot build_options.py structures
+
+AP_FLAKE8_CLEAN
+"""
+
+from __future__ import print_function
+
+
+import os
+
+from pysim import util
+
+
+# swiped from app.py:
+def get_build_options_from_ardupilot_tree():
+    '''return a list of build options'''
+    import importlib.util
+    spec = importlib.util.spec_from_file_location(
+        "build_options.py",
+        os.path.join(os.path.dirname(os.path.realpath(__file__)),
+                     '..', 'scripts', 'build_options.py'))
+    mod = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(mod)
+    return mod.BUILD_OPTIONS
+
+
+def write_defines_to_file(defines, filepath):
+    content = "\n".join(["define %s %s" % (a, b) for (a, b) in defines.items()])
+    with open(filepath, "w") as f:
+        f.write(content)
+
+
+def get_defines(feature, options):
+    '''returns a hash of (name, value) defines to turn feature off -
+    recursively gets dependencies'''
+    ret = {
+        feature.define: 0,
+    }
+    if feature.dependency is None:
+        return ret
+    for depname in feature.dependency.split(','):
+        dep = None
+        for f in options:
+            if f.label == depname:
+                dep = f
+        if dep is None:
+            raise ValueError("Invalid dep (%s)" % dep)
+        ret.update(get_defines(dep, options))
+    return ret
+
+
+def test_feature(feature, options):
+    defines = get_defines(feature, options)
+    extra_hwdef_filepath = "/tmp/extra.hwdef"
+    write_defines_to_file(defines, extra_hwdef_filepath)
+    util.waf_configure(
+        "CubeOrange",
+        extra_hwdef=extra_hwdef_filepath,
+    )
+    for t in 'copter', 'plane', 'rover', 'antennatracker', 'sub', 'blimp':
+        try:
+            util.waf_build(t)
+        except Exception:
+            print("Failed to build (%s) with (%s) disabled" %
+                  (t, feature.label))
+            raise
+
+
+def run():
+    options = get_build_options_from_ardupilot_tree()
+    count = 1
+    for feature in options:
+        print("##### Disabling feature %s(%s) (%u/%u)" %
+              (feature.label, feature.define, count, len(options)))
+        test_feature(feature, options)
+        count += 1
+
+
+if __name__ == '__main__':
+    run()