Add PS dependency analysis to ansible-test.

test/runner/lib/powershell_import_analysis.py

@@ -0,0 +1,77 @@
+"""Analyze powershell import statements."""
+
+from __future__ import absolute_import, print_function
+
+import os
+import re
+
+from lib.util import (
+    display,
+)
+
+
+def get_powershell_module_utils_imports(powershell_targets):
+    """Return a dictionary of module_utils names mapped to sets of powershell file paths.
+    :type powershell_targets: list[TestTarget]
+    :rtype: dict[str, set[str]]
+    """
+
+    module_utils = enumerate_module_utils()
+
+    imports_by_target_path = {}
+
+    for target in powershell_targets:
+        imports_by_target_path[target.path] = extract_powershell_module_utils_imports(target.path, module_utils)
+
+    imports = dict([(module_util, set()) for module_util in module_utils])
+
+    for target_path in imports_by_target_path:
+        for module_util in imports_by_target_path[target_path]:
+            imports[module_util].add(target_path)
+
+    for module_util in sorted(imports):
+        if not imports[module_util]:
+            display.warning('No imports found which use the "%s" module_util.' % module_util)
+
+    return imports
+
+
+def enumerate_module_utils():
+    """Return a list of available module_utils imports.
+    :rtype: set[str]
+    """
+    return set(os.path.splitext(p)[0] for p in os.listdir('lib/ansible/module_utils/powershell') if os.path.splitext(p)[1] == '.psm1')
+
+
+def extract_powershell_module_utils_imports(path, module_utils):
+    """Return a list of module_utils imports found in the specified source file.
+    :type path: str
+    :type module_utils: set[str]
+    :rtype: set[str]
+    """
+    imports = set()
+
+    with open(path, 'r') as module_fd:
+        code = module_fd.read()
+
+        if '# POWERSHELL_COMMON' in code:
+            imports.add('Ansible.ModuleUtils.Legacy')
+
+        lines = code.splitlines()
+        line_number = 0
+
+        for line in lines:
+            line_number += 1
+            match = re.search(r'(?i)^#\s*requires\s+-module(?:s?)\s*(Ansible\.ModuleUtils\..+)', line)
+
+            if not match:
+                continue
+
+            import_name = match.group(1)
+
+            if import_name in module_utils:
+                imports.add(import_name)
+            else:
+                display.warning('%s:%d Invalid module_utils import: %s' % (path, line_number, import_name))
+
+    return imports