Fixed ParseError tests.

Author: Nurdok

src/pydocstyle/parser.py

@@ -274,6 +274,10 @@ def parse(self, filelike, filename):
         self.log = logging.getLogger()
         self.source = filelike.readlines()
         src = ''.join(self.source)
+        try:
+            compile(src, filename, 'exec')
+        except SyntaxError as error:
+            raise ParseError() from error
         self.stream = TokenStream(StringIO(src))
         self.filename = filename
         self.all = None

src/tests/parser_test.py

@@ -518,13 +518,6 @@ def test_dunder_all(code):
         from __future__ import unicode_literals; from __future__ import \
         nested_scopes
     """),
-    # pep257 does not detect that 'import string' prevents
-    # unicode_literals from being a valid __future__.
-    # That is detected by pyflakes.
-    CodeSnippet("""\
-        from __future__ import unicode_literals; import string; from \
-        __future__ import nested_scopes
-    """),
 ))
 def test_future_import(code):
     """Test that __future__ imports are properly parsed and collected."""
@@ -551,7 +544,13 @@ def foo():  # noqa: D100,D101
             try:
                 pass
     """),
-    CodeSnippet("["),
+    CodeSnippet("[\n"),
+    # Should result in `SyntaxError: from __future__ imports must occur
+    # at the beginning of the file`
+    CodeSnippet("""\
+        from __future__ import unicode_literals; import string; from \
+        __future__ import nested_scopes
+    """),
 ))
 def test_invalid_syntax(code):
     """Test invalid code input to the parser."""

src/tests/test_cases/noqa.py

@@ -0,0 +1,22 @@
+"""Test case for "# noqa" comments."""
+from .expected import Expectation
+
+
+expectation = Expectation()
+expect = expectation.expect
+
+
+def docstring_bad_ignore_all():  # noqa
+    """Runs something"""
+    pass
+
+
+def docstring_bad_ignore_one():  # noqa: D400,D401
+    """Runs something"""
+    pass
+
+
+@expect("D401: First line should be in imperative mood ('Run', not 'Runs')")
+def docstring_ignore_violations_of_pydocstyle_D400_and_PEP8_E501_but_catch_D401():  # noqa: E501,D400
+    """Runs something"""
+    pass