Add integration test targets for core supported modules (#24217)

A preliminary set of test targets for "core" supported module that had no independent tests. These will also help us ensure python3 compatibility for those modules and prevent future regressions.

test/integration/targets/blockinfile/tasks/main.yml

@@ -0,0 +1,67 @@
+# Test code for the blockinfile module.
+# (c) 2017, James Tanner <tanner.jc@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/>.
+
+- set_fact: output_dir_test={{output_dir}}/test_blockinfile
+
+- name: make sure our testing sub-directory does not exist
+  file: path="{{ output_dir_test }}" state=absent
+
+- name: create our testing sub-directory
+  file: path="{{ output_dir_test }}" state=directory
+
+##
+## blockinfile
+##
+
+- name: copy the sshd_config to the test dir
+  copy:
+      src: sshd_config
+      dest: "{{ output_dir_test }}"
+
+- name: insert/update "Match User" configuration block in sshd_config
+  blockinfile:
+      path: "{{ output_dir_test }}/sshd_config"
+      block: |
+          Match User ansible-agent
+          PasswordAuthentication no
+  register: blockinfile_test0
+- name: check content
+  shell: 'grep -e "Match User ansible-agent" -e "PasswordAuthentication no" {{ output_dir_test }}/sshd_config'
+  register: blockinfile_test0_grep
+- debug: var=blockinfile_test0
+- debug: var=blockinfile_test0_grep
+- name: validate first example results
+  assert:
+      that:
+          - 'blockinfile_test0.changed is defined'
+          - 'blockinfile_test0.msg is defined'
+          - 'blockinfile_test0.changed'
+          - 'blockinfile_test0.msg == "Block inserted"'
+          - 'blockinfile_test0_grep.stdout_lines | length == 2'
+
+- name: check idemptotence
+  blockinfile:
+      path: "{{ output_dir_test }}/sshd_config"
+      block: |
+          Match User ansible-agent
+          PasswordAuthentication no
+  register: blockinfile_test1
+- name: validate idempotence results
+  assert:
+      that:
+          - 'not blockinfile_test1.changed'