Add basic skeleton of tests for pip.

tests_new/integration/destructive.yml

 - hosts: testhost
   gather_facts: True
-  roles: []
+  roles: 
+    - { role: test_pip, tags: test_pip }
 

tests_new/integration/roles/test_pip/meta/main.yml

+dependencies: 
+  - prepare_tests
+

tests_new/integration/roles/test_pip/tasks/main.yml

+# test code for the pip module
+# (c) 2014, Michael DeHaan <michael.dehaan@gmail.com>
+
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+# FIXME: replace the python test package
+
+# first some tests installed system-wide
+# verify things were not installed to start with
+
+- name: ensure a package is not installed (precondition setup)
+  pip: name={{ pip_test_package }} state=absent
+
+# verify that a package that is uninstalled being set to absent
+# results in an unchanged state and that the test package is not
+# installed
+
+- name: ensure a package is not installed
+  pip: name={{ pip_test_package }} state=absent
+  register: uninstall_result
+
+- debug: var=installed_result
+- name: removing an unremoved package should return unchanged
+  assert: 
+    that:
+       - "not uninstall_result.changed"
+
+- shell: "python -c 'import {{ pip_test_package }}'"
+  register: absent_result
+  ignore_errors: True
+
+- name: verify {{ pip_test_package }} is not present
+  assert: 
+    that:
+       - "absent_result.rc != 0"
+
+# now we're going to install the test package knowing it is uninstalled
+# and check that installation was ok
+
+- name: ensure a package is installed
+  pip: name={{ pip_test_package }} state=present
+  register: install_result
+
+- name: verify we recorded a change
+  assert:
+    that:
+      - "install_result.changed == True"
+ 
+- shell: "python -c 'import {{ pip_test_package }}'"
+  register: installed_result
+
+# now remove it to test uninstallation of a package we are sure is installed
+
+- name: now uninstall so we can see that a change occured
+  pip: name={{ pip_test_package }} state=absent
+  register: absent2  
+
+- name: assert a change occured on uninstallation
+  assert:
+    that:
+      - "absent2.changed"
+
+# put the test package back
+
+- name: now put it back in case someone wanted it (like us!)
+  pip: name={{ pip_test_package }} state=present
+
+
+
+
+