old_contents: import pytest
  
  from pre_commit.languages import pygrep
  
  
  @pytest.fixture
  def some_files(tmpdir):
      tmpdir.join('f1').write_binary(b'foo\nbar\n')
      tmpdir.join('f2').write_binary(b'[INFO] hi\n')
      tmpdir.join('f3').write_binary(b"with'quotes\n")
      with tmpdir.as_cwd():
          yield
  
  
  @pytest.mark.usefixtures('some_files')
  @pytest.mark.parametrize(
      ('pattern', 'expected_retcode', 'expected_out'),
      (
          ('baz', 0, ''),
          ('foo', 1, 'f1:1:foo\n'),
          ('bar', 1, 'f1:2:bar\n'),
          (r'(?i)\[info\]', 1, 'f2:1:[INFO] hi\n'),
          ("h'q", 1, "f3:1:with'quotes\n"),
      ),
  )
  def test_main(some_files, cap_out, pattern, expected_retcode, expected_out):
      ret = pygrep.main((pattern, 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == expected_retcode
      assert out == expected_out
  
  
  def test_ignore_case(some_files, cap_out):
      ret = pygrep.main(('--ignore-case', 'info', 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == 1
      assert out == 'f2:1:[INFO] hi\n'
  
  
  def test_multiline(some_files, cap_out):
      ret = pygrep.main(('--multiline', r'foo\nbar', 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == 1
      assert out == 'f1:1:foo\nbar\n'
  
  
  def test_multiline_line_number(some_files, cap_out):
      ret = pygrep.main(('--multiline', r'ar', 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == 1
      assert out == 'f1:2:bar\n'
  
  
  def test_multiline_dotall_flag_is_enabled(some_files, cap_out):
      ret = pygrep.main(('--multiline', r'o.*bar', 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == 1
      assert out == 'f1:1:foo\nbar\n'
  
  
  def test_multiline_multiline_flag_is_enabled(some_files, cap_out):
      ret = pygrep.main(('--multiline', r'foo$.*bar', 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == 1
      assert out == 'f1:1:foo\nbar\n'
  
new_contents: import pytest
  
  from pre_commit.languages import pygrep
  
  
  @pytest.fixture
  def some_files(tmpdir):
      tmpdir.join('f1').write_binary(b'foo\nbar\n')
      tmpdir.join('f2').write_binary(b'[INFO] hi\n')
      tmpdir.join('f3').write_binary(b"with'quotes\n")
      with tmpdir.as_cwd():
          yield
  
  
  @pytest.mark.usefixtures('some_files')
  @pytest.mark.parametrize(
      ('pattern', 'expected_retcode', 'expected_out'),
      (
          ('baz', 0, ''),
          ('foo', 1, 'f1:1:foo\n'),
          ('bar', 1, 'f1:2:bar\n'),
          (r'(?i)\[info\]', 1, 'f2:1:[INFO] hi\n'),
          ("h'q", 1, "f3:1:with'quotes\n"),
      ),
  )
  def test_main(cap_out, pattern, expected_retcode, expected_out):
      ret = pygrep.main((pattern, 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == expected_retcode
      assert out == expected_out
  
  
  @pytest.mark.usefixtures('some_files')
  def test_ignore_case(cap_out):
      ret = pygrep.main(('--ignore-case', 'info', 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == 1
      assert out == 'f2:1:[INFO] hi\n'
  
  
  @pytest.mark.usefixtures('some_files')
  def test_multiline(cap_out):
      ret = pygrep.main(('--multiline', r'foo\nbar', 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == 1
      assert out == 'f1:1:foo\nbar\n'
  
  
  @pytest.mark.usefixtures('some_files')
  def test_multiline_line_number(cap_out):
      ret = pygrep.main(('--multiline', r'ar', 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == 1
      assert out == 'f1:2:bar\n'
  
  
  @pytest.mark.usefixtures('some_files')
  def test_multiline_dotall_flag_is_enabled(cap_out):
      ret = pygrep.main(('--multiline', r'o.*bar', 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == 1
      assert out == 'f1:1:foo\nbar\n'
  
  
  @pytest.mark.usefixtures('some_files')
  def test_multiline_multiline_flag_is_enabled(cap_out):
      ret = pygrep.main(('--multiline', r'foo$.*bar', 'f1', 'f2', 'f3'))
      out = cap_out.get()
      assert ret == 1
      assert out == 'f1:1:foo\nbar\n'
  
subject: Remove unnecessary fixtures in signatures from pygrep tests