issue #536: add mitogen_via= tests too.

ansible_mitogen/transport_config.py

@@ -495,7 +495,6 @@ class MitogenViaSpec(Spec):
         # interpreter is specified.
         return parse_python_path(s or '/usr/bin/python')
 
-
     def private_key_file(self):
         # TODO: must come from PlayContext too.
         return (

tests/ansible/integration/_mitogen_only.yml

@@ -0,0 +1,4 @@
+# Include me for plays that can't run on vanilla.
+#
+- meta: end_play
+  when: not is_mitogen

tests/ansible/integration/transport_config/python_path.yml

@@ -1,4 +1,5 @@
 # related: issue #511, #536
+# Each case is followed by mitogen_via= case to test hostvars method.
 
 
 # When no ansible_python_interpreter is set, executor/module_common.py chooses
@@ -6,57 +7,118 @@
 - name: integration/transport_config/python_path.yml
   hosts: tc-python-path-unset
   tasks:
-  - meta: end_play
-    when: not is_mitogen
+  - include: ../_mitogen_only.yml
   - mitogen_get_stack:
     register: out
   - assert_equal:
       left: out.result[0].kwargs.python_path
       right: ["/usr/bin/python"]
 
+- hosts: tc-python-path-hostvar
+  vars: {mitogen_via: tc-python-path-unset}
+  tasks:
+  - include: ../_mitogen_only.yml
+  - mitogen_get_stack:
+    register: out
+  - assert_equal:
+      left: out.result[0].kwargs.python_path
+      right: ["/usr/bin/python"]
+  - assert_equal:
+      left: out.result[1].kwargs.python_path
+      right: ["/hostvar/path/to/python"]
+
 
 # Non-localhost with explicit ansible_python_interpreter
 - hosts: tc-python-path-hostvar
   tasks:
-  - meta: end_play
-    when: not is_mitogen
+  - include: ../_mitogen_only.yml
   - mitogen_get_stack:
     register: out
   - assert_equal:
       left: out.result[0].kwargs.python_path
       right: [/hostvar/path/to/python]
 
+- hosts: tc-python-path-unset
+  vars: {mitogen_via: tc-python-path-hostvar}
+  tasks:
+  - include: ../_mitogen_only.yml
+  - mitogen_get_stack:
+    register: out
+  - assert_equal:
+      left: out.result[0].kwargs.python_path
+      right: ["/hostvar/path/to/python"]
+  - assert_equal:
+      left: out.result[1].kwargs.python_path
+      right: ["/usr/bin/python"]
+
 
 # Implicit localhost gets ansible_python_interpreter=virtualenv interpreter
 - hosts: localhost
   tasks:
-  - meta: end_play
-    when: not is_mitogen
+  - include: ../_mitogen_only.yml
+  - mitogen_get_stack:
+    register: out
+  - assert_equal:
+      left: out.result[0].kwargs.python_path
+      right: ["{{ansible_playbook_python}}"]
+
+- hosts: tc-python-path-unset
+  vars: {mitogen_via: localhost}
+  tasks:
+  - include: ../_mitogen_only.yml
   - mitogen_get_stack:
     register: out
   - assert_equal:
       left: out.result[0].kwargs.python_path
       right: ["{{ansible_playbook_python}}"]
+  - assert_equal:
+      left: out.result[1].kwargs.python_path
+      right: ["/usr/bin/python"]
 
 
 # explicit local connections get the same treatment as everything else.
 - hosts: tc-python-path-local-unset
   tasks:
-  - meta: end_play
-    when: not is_mitogen
+  - include: ../_mitogen_only.yml
   - mitogen_get_stack:
     register: out
   - assert_equal:
       left: out.result[0].kwargs.python_path
       right: ["/usr/bin/python"]
 
+- hosts: localhost
+  vars: {mitogen_via: tc-python-path-local-unset}
+  tasks:
+  - include: ../_mitogen_only.yml
+  - mitogen_get_stack:
+    register: out
+  - assert_equal:
+      left: out.result[0].kwargs.python_path
+      right: ["/usr/bin/python"]
+  - assert_equal:
+      left: out.result[1].kwargs.python_path
+      right: ["{{ansible_playbook_python}}"]
 
+
+# explicit local connection with explicit interpreter
 - hosts: tc-python-path-local-explicit
   tasks:
-  - meta: end_play
-    when: not is_mitogen
+  - include: ../_mitogen_only.yml
   - mitogen_get_stack:
     register: out
   - assert_equal:
       left: out.result[0].kwargs.python_path
       right: ["/a/b/c"]
+
+- hosts: localhost
+  vars: {mitogen_via: tc-python-path-local-explicit}
+  tasks:
+  - include: ../_mitogen_only.yml
+  - mitogen_get_stack:
+    register: out
+  - assert_equal:
+      left: out.result[0].kwargs.python_path
+      right: ["/a/b/c"]
+  - assert_equal:
+      left: out.result[1].kwargs.python_path
+      right: ["{{ansible_playbook_python}}"]