[Piglit] [patch v3 12/15] glsl_parser_test.py: Strict key checking for config section

[Dylan Baker]

This enforces a set of valid keys, any key that isn't valid will raise
an exception with a message explaining the problem.

Signed-off-by: Dylan Baker <baker.dylan.c at gmail.com>
---
 framework/glsl_parser_test.py             | 13 ++++++++++++-
 framework/tests/glsl_parser_test_tests.py | 31 +++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/framework/glsl_parser_test.py b/framework/glsl_parser_test.py
index 1f1c1e7..5ffc101 100644
--- a/framework/glsl_parser_test.py
+++ b/framework/glsl_parser_test.py
@@ -78,9 +78,15 @@ class GLSLParserTest(PiglitTest):
                 .tesc, .tese, .geom or .frag
 
     """
+    _CONFIG_KEYS = frozenset(['expect_result', 'glsl_version',
+                              'require_extensions', 'check_link'])
+
     def __init__(self, filepath):
         os.stat(filepath)
 
+        # a set that stores a list of keys that have been found already
+        self.__found_keys = set()
+
         # Parse the config file and get the config section, then write this
         # section to a StringIO and pass that to ConfigParser
         with open(filepath, 'r') as testfile:
@@ -159,11 +165,16 @@ class GLSLParserTest(PiglitTest):
 
             match = is_metadata.match(line)
             if match:
+                if match.group('key') not in GLSLParserTest._CONFIG_KEYS:
+                    raise GLSLParserException(
+                        "Key {0} in file {1} is not a valid key for a "
+                        "glslparser test config block".format(
+                            match.group('key'), filepath))
                 keys[match.group('key')] = match.group('value')
             else:
                 raise GLSLParserException(
                     "The config section is malformed."
-                    "Check file {0}".format(filepath))
+                    "Check file {0} for line {1}".format(filepath, line))
         else:
             raise GLSLParserException("No [end config] section found!")
 
diff --git a/framework/tests/glsl_parser_test_tests.py b/framework/tests/glsl_parser_test_tests.py
index b4e9c24..8e29cc0 100644
--- a/framework/tests/glsl_parser_test_tests.py
+++ b/framework/tests/glsl_parser_test_tests.py
@@ -195,3 +195,34 @@ def test_config_to_command():
         check_config_to_command.description = \
             'Command correctly generated for {}'.format(desc)
         yield check_config_to_command, config, result
+
+
+def test_bad_section_name():
+    """ A section name not in the _CONFIG_KEYS name raises an error """
+    content = ('// [config]\n'
+               '// expect_result: pass\n'
+               '// glsl_version: 1.00\n'
+               '// new_awesome_key: foo\n'
+               '// [end config]\n')
+
+    with nt.assert_raises(glsl.GLSLParserException) as e:
+        _, name = _check_config(content)
+
+        nt.eq_(e.exception.message,
+               'Key new_awesome_key in file {0 is not a valid key for a '
+               'glslparser test config block'.format(name))
+
+
+def test_good_section_names():
+    """ A section name in the _CONFIG_KEYS does not raise an error """
+    content = ('// [config]\n'
+               '// expect_result: pass\n'
+               '// glsl_version: 1.00\n'
+               '// require_extensions: EXT_foo\n'
+               '// check_link: True\n'
+               '// [end config]\n')
+
+    try:
+        _check_config(content)
+    except glsl.GLSLParserException as e:
+        raise AssertionError(e)
-- 
2.0.2