patman: Drop references to __future__

[oweals/u-boot.git] / tools / dtoc / dtoc.py

diff --git a/tools/dtoc/dtoc.py b/tools/dtoc/dtoc.py
index 6eacfc90a0a7bb28bbe25eef95aa8dba7232cf29..8e05b434318ac46597dc8add71dd20e662da13c2 100755 (executable)
--- a/tools/dtoc/dtoc.py
+++ b/tools/dtoc/dtoc.py
@@ -1,10 +1,9 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0+
 #
 # Copyright (C) 2016 Google, Inc
 # Written by Simon Glass <sjg@chromium.org>
 #
-# SPDX-License-Identifier:     GPL-2.0+
-#
 
 """Device tree to C tool
 
@@ -23,7 +22,7 @@ Dtoc produces two output files:
 This tool is used in U-Boot to provide device tree data to SPL without
 increasing the code size of SPL. This supports the CONFIG_SPL_OF_PLATDATA
 options. For more information about the use of this options and tool please
-see doc/driver-model/of-plat.txt
+see doc/driver-model/of-plat.rst
 """
 
 from optparse import OptionParser
@@ -35,41 +34,80 @@ import unittest
 our_path = os.path.dirname(os.path.realpath(__file__))
 sys.path.append(os.path.join(our_path, '../patman'))
 
+# Bring in the libfdt module
+sys.path.insert(0, 'scripts/dtc/pylibfdt')
+sys.path.insert(0, os.path.join(our_path,
+                '../../build-sandbox_spl/scripts/dtc/pylibfdt'))
+
 import dtb_platdata
+import test_util
 
-def run_tests():
-    """Run all the test we have for dtoc"""
+def run_tests(args):
+    """Run all the test we have for dtoc
+
+    Args:
+        args: List of positional args provided to dtoc. This can hold a test
+            name to execute (as in 'dtoc -t test_empty_file', for example)
+    """
     import test_dtoc
 
     result = unittest.TestResult()
     sys.argv = [sys.argv[0]]
+    test_name = args and args[0] or None
     for module in (test_dtoc.TestDtoc,):
-        suite = unittest.TestLoader().loadTestsFromTestCase(module)
+        if test_name:
+            try:
+                suite = unittest.TestLoader().loadTestsFromName(test_name, module)
+            except AttributeError:
+                continue
+        else:
+            suite = unittest.TestLoader().loadTestsFromTestCase(module)
         suite.run(result)
 
-    print result
+    print(result)
     for _, err in result.errors:
-        print err
+        print(err)
     for _, err in result.failures:
-        print err
+        print(err)
+    if result.errors or result.failures:
+        print('dtoc tests FAILED')
+        return 1
+    return 0
+
+def RunTestCoverage():
+    """Run the tests and check that we get 100% coverage"""
+    sys.argv = [sys.argv[0]]
+    test_util.RunTestCoverage('tools/dtoc/dtoc.py', '/dtoc.py',
+            ['tools/patman/*.py', '*/fdt*', '*test*'], options.build_dir)
+
 
 if __name__ != '__main__':
     sys.exit(1)
 
 parser = OptionParser()
+parser.add_option('-B', '--build-dir', type='string', default='b',
+        help='Directory containing the build output')
 parser.add_option('-d', '--dtb-file', action='store',
                   help='Specify the .dtb input file')
 parser.add_option('--include-disabled', action='store_true',
                   help='Include disabled nodes')
 parser.add_option('-o', '--output', action='store', default='-',
                   help='Select output filename')
+parser.add_option('-P', '--processes', type=int,
+                  help='set number of processes to use for running tests')
 parser.add_option('-t', '--test', action='store_true', dest='test',
                   default=False, help='run tests')
+parser.add_option('-T', '--test-coverage', action='store_true',
+                default=False, help='run tests and check for 100% coverage')
 (options, args) = parser.parse_args()
 
 # Run our meagre tests
 if options.test:
-    run_tests()
+    ret_code = run_tests(args)
+    sys.exit(ret_code)
+
+elif options.test_coverage:
+    RunTestCoverage()
 
 else:
     dtb_platdata.run_steps(args, options.dtb_file, options.include_disabled,