Add unit tests for ansible.module_utils.urls (#38059)

* Start of tests for ansible.module_utils.urls

* Start adding file for generic functions throughout urls

* Add tests for maybe_add_ssl_handler

* Remove commented out line

* Improve coverage of maybe_add_ssl_handler, test basic_auth_header

* Start tests for open_url

* pep8 and ignore urlopen in test_url_open.py tests

* Extend auth tests, add test for validate_certs=False

* Finish tests for open_url

* Add tests for fetch_url

* Add fetch_url tests to replace-urlopen ignore

* dummy instead of _

* Add BadStatusLine test

* Reorganize/rename tests

* Add tests for RedirectHandlerFactory

* Add POST test to confirm behavior is to convert to GET

* Update tests to handle recent changes to RedirectHandlerFactory

* Special test, just to confirm that aliasing http_error_308 to http_error_307 does not cause issues with urllib2 type redirects

test/units/module_utils/urls/test_RequestWithMethod.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# (c) 2018 Matt Martz <matt@sivel.net>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+from ansible.module_utils.urls import RequestWithMethod
+
+
+def test_RequestWithMethod():
+    get = RequestWithMethod('https://ansible.com/', 'GET')
+    assert get.get_method() == 'GET'
+
+    post = RequestWithMethod('https://ansible.com/', 'POST', data='foo', headers={'Bar': 'baz'})
+    assert post.get_method() == 'POST'
+    assert post.get_full_url() == 'https://ansible.com/'
+    assert post.data == 'foo'
+    assert post.headers == {'Bar': 'baz'}
+
+    none = RequestWithMethod('https://ansible.com/', '')
+    assert none.get_method() == 'GET'