mitogen/tests/ansible/integration/interpreter_discovery/ansible_2_8_tests.yml

# ripped and ported from https://github.com/ansible/ansible/pull/50163/files, when interpreter discovery was added to ansible
---

- name: integration/interpreter_discovery/ansible_2_8_tests.yml
  hosts: test-targets
  any_errors_fatal: true
  gather_facts: true
  tasks:
    - name: can only run these tests on ansible >= 2.8.0
      block:
        - name: ensure we can override ansible_python_interpreter
          vars:
            ansible_python_interpreter: overriddenpython
          assert:
            that:
            - ansible_python_interpreter == 'overriddenpython'
            fail_msg: "'ansible_python_interpreter' appears to be set at a high precedence to {{ ansible_python_interpreter }},
                      which breaks this test."

        - name: snag some facts to validate for later
          set_fact:
            distro: '{{ ansible_distribution | default("unknown") | lower }}'
            distro_version: '{{ ansible_distribution_version | default("unknown") }}'
            os_family: '{{ ansible_os_family | default("unknown") }}'

        - name: test that python discovery is working and that fact persistence makes it only run once
          block:
          - name: clear facts to force interpreter discovery to run
            meta: clear_facts

          - name: trigger discovery with auto
            vars:
              ansible_python_interpreter: auto
            ping:
            register: auto_out

          - name: get the interpreter being used on the target to execute modules
            vars:
              ansible_python_interpreter: auto
            test_echo_module:
            register: echoout

          # can't test this assertion:
          # - echoout.ansible_facts is not defined or echoout.ansible_facts.discovered_interpreter_python is not defined
          # because Mitogen's ansible_python_interpreter is a connection-layer configurable that
          # "must be extracted during each task execution to form the complete connection-layer configuration".
          # Discovery won't be reran though; the ansible_python_interpreter is read from the cache if already discovered
          - assert:
              that:
              - auto_out.ansible_facts.discovered_interpreter_python is defined
              - echoout.running_python_interpreter == auto_out.ansible_facts.discovered_interpreter_python


        - name: test that auto_legacy gives a dep warning when /usr/bin/python present but != auto result
          block:
          - name: clear facts to force interpreter discovery to run
            meta: clear_facts

          - name: trigger discovery with auto_legacy
            vars:
              ansible_python_interpreter: auto_legacy
            ping:
            register: legacy

          - name: check for dep warning (only on platforms where auto result is not /usr/bin/python and legacy is)
            assert:
              that:
              - legacy.deprecations | default([]) | length > 0
            # only check for a dep warning if legacy returned /usr/bin/python and auto didn't
            when: legacy.ansible_facts.discovered_interpreter_python == '/usr/bin/python' and
                  auto_out.ansible_facts.discovered_interpreter_python != '/usr/bin/python'


        - name: test that auto_silent never warns and got the same answer as auto
          block:
          - name: clear facts to force interpreter discovery to run
            meta: clear_facts

          - name: initial task to trigger discovery
            vars:
              ansible_python_interpreter: auto_silent
            ping:
            register: auto_silent_out

          - assert:
              that:
              - auto_silent_out.warnings is not defined
              - auto_silent_out.ansible_facts.discovered_interpreter_python == auto_out.ansible_facts.discovered_interpreter_python


        - name: test that auto_legacy_silent never warns and got the same answer as auto_legacy
          block:
          - name: clear facts to force interpreter discovery to run
            meta: clear_facts

          - name: trigger discovery with auto_legacy_silent
            vars:
              ansible_python_interpreter: auto_legacy_silent
            ping:
            register: legacy_silent

          - assert:
              that:
                - legacy_silent.warnings is not defined
                - legacy_silent.ansible_facts.discovered_interpreter_python == legacy.ansible_facts.discovered_interpreter_python

        - name: ensure modules can't set discovered_interpreter_X or ansible_X_interpreter
          block:
          - test_echo_module:
              facts:
                ansible_discovered_interpreter_bogus: from module
                discovered_interpreter_bogus: from_module
                ansible_bogus_interpreter: from_module
                test_fact: from_module
            register: echoout

          - assert:
              that:
              - test_fact == 'from_module'
              - discovered_interpreter_bogus | default('nope') == 'nope'
              - ansible_bogus_interpreter | default('nope') == 'nope'
              # this one will exist in facts, but with its prefix removed
              - ansible_facts['ansible_bogus_interpreter'] | default('nope') == 'nope'
              - ansible_facts['discovered_interpreter_bogus'] | default('nope') == 'nope'

          - name: fedora assertions
            assert:
              that:
              - auto_out.ansible_facts.discovered_interpreter_python == '/usr/bin/python3'
            when: distro == 'fedora' and distro_version is version('23', '>=')

          - name: rhel assertions
            assert:
              that:
              # rhel 6/7
              - (auto_out.ansible_facts.discovered_interpreter_python == '/usr/bin/python' and distro_version is version('8','<')) or distro_version is version('8','>=')
              # rhel 8+
              - (auto_out.ansible_facts.discovered_interpreter_python == '/usr/libexec/platform-python' and distro_version is version('8','>=')) or distro_version is version('8','<')
            when: distro in ('redhat', 'centos')

          - name: ubuntu assertions
            assert:
              that:
              # ubuntu < 16
              - (auto_out.ansible_facts.discovered_interpreter_python == '/usr/bin/python' and distro_version is version('16.04','<')) or distro_version is version('16.04','>=')
              # ubuntu >= 16
              - (auto_out.ansible_facts.discovered_interpreter_python == '/usr/bin/python3' and distro_version is version('16.04','>=')) or distro_version is version('16.04','<')
            when: distro == 'ubuntu'

          - name: mac assertions
            assert:
              that:
              - auto_out.ansible_facts.discovered_interpreter_python == '/usr/bin/python'
            when: os_family == 'Darwin'

          always:
          - meta: clear_facts
      when: ansible_version.full is version_compare('2.8.0', '>=')