Used call_command stdout parameter to capture output in staticfiles tests.

import shutil

import sys

import tempfile

from StringIO import StringIO

from io import BytesIO

from django.template import loader, Context

from django.conf import settings

    Test ``findstatic`` management command.

    """

    def _get_file(self, filepath):

        _stdout = sys.stdout

        sys.stdout = StringIO()

        try:

            call_command('findstatic', filepath, all=False, verbosity='0')

            sys.stdout.seek(0)

            lines = [l.strip() for l in sys.stdout.readlines()]

        out = BytesIO()

        call_command('findstatic', filepath, all=False, verbosity=0, stdout=out)

        out.seek(0)

        lines = [l.strip() for l in out.readlines()]

        contents = codecs.open(

            smart_unicode(lines[1].strip()), "r", "utf-8").read()

        finally:

            sys.stdout = _stdout

        return contents

    def test_all_files(self):

        """

        Test that findstatic returns all candidate files if run without --first.

        """

        _stdout = sys.stdout

        sys.stdout = StringIO()

        try:

            call_command('findstatic', 'test/file.txt', verbosity='0')

            sys.stdout.seek(0)

            lines = [l.strip() for l in sys.stdout.readlines()]

        finally:

            sys.stdout = _stdout

        out = BytesIO()

        call_command('findstatic', 'test/file.txt', verbosity=0, stdout=out)

        out.seek(0)

        lines = [l.strip() for l in out.readlines()]

        self.assertEqual(len(lines), 3)  # three because there is also the "Found <file> here" line

        self.assertIn('project', lines[1])

        self.assertIn('apps', lines[2])