Context: Manages binding of variables

test/data/demo_binds.yml

@@ -0,0 +1,38 @@
+-
+  variable_binds:
+    - TOKEN: "debugtalk"
+
+-
+  variable_binds:
+    - var: [1, 2, 3]
+
+-
+  variable_binds:
+    - data: {'name': 'user', 'password': '123456'}
+
+-
+  variable_binds:
+    - TOKEN: "debugtalk"
+    - token: $TOKEN
+
+-
+  function_binds:
+    add_one: "lambda x: x + 1"
+    add_two_nums: "lambda x, y: x + y"
+  variable_binds:
+    - add1: {"func": "add_one", "args": [2]}
+    - sum2nums: {"func": "add_two_nums", "args": [2, 3]}
+
+-
+  requires:
+    - random
+    - string
+    - hashlib
+  function_binds:
+    gen_random_string: "lambda str_len: ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(str_len))"
+    gen_md5: "lambda *str_args: hashlib.md5(''.join(str_args).encode('utf-8')).hexdigest()"
+  variable_binds:
+    - TOKEN: debugtalk
+    - random: {"func": "gen_random_string", "args": [5]}
+    - data: "{'name': 'user', 'password': '123456'}"
+    - authorization: {"func": "gen_md5", "args": [$TOKEN, $data, $random]}