---
####################################################################
# WARNING: These are designed specifically for Ansible tests       #
# and should not be used as examples of how to write Ansible roles #
####################################################################

- block:
  - name: Create temporary playbook files
    tempfile:
      state: file
      suffix: temp
    loop: "{{ tests }}"
    loop_control:
      loop_var: test
      label: "{{ test.name }}"
    register: temporary_playbook_files

  - name: Set temporary playbook file content
    copy:
      content: "{{ test.playbook }}"
      dest: "{{ temporary_playbook_files.results[test_idx].path }}"
    loop: "{{ tests }}"
    loop_control:
      loop_var: test
      index_var: test_idx
      label: "{{ test.name }}"

  - name: Collect outputs
    command: "ansible-playbook -i {{ inventory }} {{ playbook }}"
    environment: "{{ test.environment }}"
    loop: "{{ tests }}"
    loop_control:
      loop_var: test
      label: "{{ test.name }}"
    register: outputs
    changed_when: false
    vars:
      inventory: "{{ role_path }}/inventory.yml"
      playbook: "
        {%- for result in temporary_playbook_files.results -%}
        {%-   if result.test.name == test.name -%}
        {{-     result.path -}}
        {%-   endif -%}
        {%- endfor -%}"

  - name: Assert test output equals expected output
    assert:
      that: result.output.differences | length == 0
    loop: "{{ results }}"
    loop_control:
      loop_var: result
      label: "{{ result.name }}"
    register: assertions
    vars:
      results: >-
        {%- set results = []                                                                           -%}
        {%- for result in outputs.results                                                              -%}
        {%-   set differences = []                                                                     -%}
        {%-   for i in range([result.test.expected_output | count, result.stdout_lines | count] | max) -%}
        {%-     set line = "line_%s" | format(i+1)                                                     -%}
        {%-     set test_line = result.stdout_lines[i] | default(none)                                 -%}
        {%-     set expected_lines = result.test.expected_output[i] | default(none)                    -%}
        {%-     if expected_lines is not string and expected_lines is not none                         -%}
        {%-       if test_line not in expected_lines                                                   -%}
        {{-         differences.append({
                      line: {
                        'expected_one_of': expected_lines,
                        'got': test_line }})                                                           -}}
        {%-       endif                                                                                -%}
        {%-     else                                                                                   -%}
        {%-       if expected_lines != test_line                                                       -%}
        {{-         differences.append({
                      line: {
                        'expected': expected_lines,
                        'got': test_line }})                                                           -}}
        {%-       endif                                                                                -%}
        {%-     endif                                                                                  -%}
        {%-   endfor                                                                                   -%}
        {{-   results.append({
                'name': result.test.name,
                'output': {
                    'differences': differences,
                    'expected': result.test.expected_output,
                    'got': result.stdout_lines }})                                                     -}}
        {%- endfor                                                                                     -%}
        {{- results                                                                                    -}}

  always:
  - name: Remove temporary playbooks
    file:
      path: "{{ temporary_file.path }}"
      state: absent
    loop: "{{ temporary_playbook_files.results }}"
    loop_control:
      loop_var: temporary_file
      label: "{{ temporary_file.test.name }}: {{ temporary_file.path }}"