tests: Speed up ssh timeout tests

docs/ansible_detailed.rst

@@ -247,6 +247,15 @@ Noteworthy Differences
   part of the core library, and should therefore be straightforward to fix as
   part of 0.2.x.
 
+* Connection and become timeouts are applied differently. Mitogen may consider
+  a connection to have timed out, when Ansible would have waited longer or
+  indefinately. For example if SSH authentication completes within the
+  timeout, but execution of login scripts exceeds it - then Mitogen will
+  consider the task to have timed out and that host to have failed.
+
+..
+    tests/ansible/integration/ssh/timeouts.yml covers (some of) this behaviour.
+
 ..
     * SSH and ``become`` are treated distinctly when applying timeouts, and
     timeouts apply up to the point when the new interpreter is ready to accept

tests/ansible/integration/ssh/timeouts.yml

@@ -1,7 +1,12 @@
 # Ensure 'ssh' connections time out correctly.
+# mitogen__slow_user performs a long sleep in ~/.profile.
+# Mitogen counts this time towards the connection timeout. Ansible doesn't.
+# ansible_python_interpreter=python3000 is an optimisation, to avoid waiting
+# on the timeout multiple times (e.g. interpreter discovery).
 
 - name: integration/ssh/timeouts.yml
   hosts: test-targets
+  gather_facts: false
   tasks:
     - include_tasks: ../_mitogen_only.yml
 
@@ -17,6 +22,7 @@
         test-targets
         -m custom_python_detect_environment
         -e ansible_user=mitogen__slow_user -e ansible_password=slow_user_password
+        -e ansible_python_interpreter=python3000
       args:
         chdir: ../..
       register: out

tests/ansible/integration/ssh/variables.yml

@@ -43,6 +43,7 @@
         test-targets
         -e ansible_ssh_user=mitogen__has_sudo
         -e ansible_ssh_pass=wrong_password
+        -e ansible_python_interpreter=python3000
       args:
         chdir: ../..
       register: out
@@ -82,6 +83,7 @@
         test-targets
         -e ansible_user=mitogen__has_sudo
         -e ansible_ssh_pass=wrong_password
+        -e ansible_python_interpreter=python3000
       args:
         chdir: ../..
       register: out
@@ -121,6 +123,7 @@
         test-targets
         -e ansible_user=mitogen__has_sudo
         -e ansible_password=wrong_password
+        -e ansible_python_interpreter=python3000
       args:
         chdir: ../..
       register: out
@@ -165,6 +168,7 @@
         test-targets
         -e ansible_user=mitogen__has_sudo
         -e ansible_ssh_private_key_file=/dev/null
+        -e ansible_python_interpreter=python3000
       args:
         chdir: ../..
       register: out