Implement run_sources_tests.py

Add SourceTest.build method to construct a test to verify correct
formatting of a file. Add new front-end run_sources_tests.py to set up
tests to verify that uncrustify's own sources are correctly formatted.
Add a CTest to run these tests.

tests/CMakeLists.txt

@@ -50,6 +50,15 @@ else()
   endforeach()
 endif()
 
+add_test(
+  NAME sources_format
+  COMMAND ${PYTHON_EXECUTABLE} run_sources_tests.py
+    --executable $<TARGET_FILE:uncrustify>
+    -d --git ${GIT_EXECUTABLE}
+    --result-dir ${CMAKE_CURRENT_BINARY_DIR}
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
 add_test(
   NAME cli_options
   COMMAND ${PYTHON_EXECUTABLE}

tests/run_format_tests.py

@@ -17,7 +17,7 @@
 
 # -----------------------------------------------------------------------------
 def main(argv):
-    parser = argparse.ArgumentParser(description='Run uncrustify tests')
+    parser = argparse.ArgumentParser(description='Run uncrustify format tests')
     tu.add_format_tests_arguments(parser)
     args = tu.parse_args(parser)
 

tests/run_sources_tests.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python
+#
+# Checks the formatting of uncrustify's own sources.
+#
+# * @author  Matthew Woehlke    June 2018
+#
+
+import argparse
+import os
+import sys
+
+import test_uncrustify as tu
+
+
+# -----------------------------------------------------------------------------
+def main(argv):
+    parser = argparse.ArgumentParser(description='Run uncrustify source tests')
+    tu.add_source_tests_arguments(parser)
+    args = tu.parse_args(parser)
+
+    # Get required filesystem information
+    root = os.path.dirname(tu.test_dir)
+    src_dir = os.path.join(root, 'src')
+    config = os.path.join(root, 'forUncrustifySources.cfg')
+
+    # Create tests
+    tests = []
+    for s in os.listdir(src_dir):
+        if os.path.splitext(s)[1] in ('.cpp', '.h'):
+            t = tu.SourceTest()
+            t.build(test_input=os.path.join(src_dir, s),
+                    test_lang='CPP', test_config=config)
+            tests.append(t)
+
+    counts = tu.run_tests(tests, args)
+    tu.report(counts)
+
+    if counts['failing'] > 0:
+        sys.exit(2)
+    if counts['mismatch'] > 0:
+        sys.exit(1)
+
+
+# %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))

tests/test_uncrustify/test.py

@@ -45,6 +45,14 @@ def _diff(self, expected, actual):
         cmd = [config.git_exe, 'diff', '--no-index', expected, actual]
         subprocess.call(cmd)
 
+    # -------------------------------------------------------------------------
+    def build(self, test_input, test_lang, test_config):
+        self.test_name = os.path.basename(test_input)
+        self.test_lang = test_lang
+        self.test_input = test_input
+        self.test_config = test_config
+        self.test_expected = test_input
+
     # -------------------------------------------------------------------------
     def _check(self):
         self._check_attr('test_name')