1 files changed, 35 insertions, 0 deletions
diff --git a/test/lib/ansible_test/_internal/cache.py b/test/lib/ansible_test/_internal/cache.py
new file mode 100644
index 00000000..85fdbb1f
--- /dev/null
+++ b/test/lib/ansible_test/_internal/cache.py
@@ -0,0 +1,35 @@
+"""Cache for commonly shared data that is intended to be immutable."""
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+
+class CommonCache:
+    """Common cache."""
+    def __init__(self, args):
+        """
+        :param args: CommonConfig
+        """
+        self.args = args
+
+    def get(self, key, factory):
+        """
+        :param key: str
+        :param factory: () -> any
+        :rtype: any
+        """
+        if key not in self.args.cache:
+            self.args.cache[key] = factory()
+
+        return self.args.cache[key]
+
+    def get_with_args(self, key, factory):
+        """
+        :param key: str
+        :param factory: (CommonConfig) -> any
+        :rtype: any
+        """
+
+        if key not in self.args.cache:
+            self.args.cache[key] = factory(self.args)
+
+        return self.args.cache[key]