Remove unnecessary and outdated test runner

tests/unit/test_file_processor.py

@@ -1,26 +1,33 @@
-"""Tests for the FileChecker class."""
-from flake8 import checker
+"""Tests for the FileProcessor class."""
+import optparse
+
+from flake8 import processor
 
 import pytest
 
 
+def options_from(**kwargs):
+    kwargs.setdefault('hang_closing', True)
+    kwargs.setdefault('max_line_length', 79)
+    kwargs.setdefault('verbose', False)
+    return optparse.Values(kwargs)
+
+
 def test_read_lines_splits_lines():
     """Verify that read_lines splits the lines of the file."""
-    file_checker = checker.FileChecker(__file__, [])
-    lines = file_checker.read_lines()
+    file_processor = processor.FileProcessor(__file__, options_from())
+    lines = file_processor.lines
     assert len(lines) > 5
-    assert '"""Tests for the FileChecker class."""\n' in lines
+    assert '"""Tests for the FileProcessor class."""\n' in lines
 
 
 @pytest.mark.parametrize('first_line', [
     '\xEF\xBB\xBF"""Module docstring."""\n',
-    '\uFEFF"""Module docstring."""\n',
+    u'\uFEFF"""Module docstring."""\n',
 ])
 def test_strip_utf_bom(first_line):
     r"""Verify that we strip '\xEF\xBB\xBF' from the first line."""
     lines = [first_line]
-    file_checker = checker.FileChecker('stdin', [])
-    file_checker.lines = lines[:]
-    file_checker.strip_utf_bom()
-    assert file_checker.lines != lines
-    assert file_checker.lines[0] == '"""Module docstring."""\n'
+    file_processor = processor.FileProcessor('-', options_from(), lines[:])
+    assert file_processor.lines != lines
+    assert file_processor.lines[0] == '"""Module docstring."""\n'