add: endpoint /tags

fix: leaks from config (now using static length for config strings)

tests/tavern_tests/3.0.tags.tavern.yaml

@@ -97,3 +97,12 @@ stages:
         number: !int "{returned_number:d}"
         controller_id: "{returned_id}"
         tag: "{returned_tag}"
+
+- name: "[tags] get tags"
+  request:
+    method: GET
+    url: "http://localhost:5000/api/v1/tags/"
+  response:
+    status_code: 200
+    verify_response_with:
+      function: validate_tag:multiple

tests/tavern_utils/validate_tag.py

@@ -0,0 +1,34 @@
+import json
+
+def _verify_single(tag):
+    assert isinstance(tag, str), "tag is not a string"
+
+def single(response):
+    _verify_single(response.json())
+
+def multiple(response):
+    assert isinstance(response.json(), list), "response is not a list"
+    for tag in response.json():
+        _verify_single(tag)
+
+#def find(response, name=None, number=None, controller_id=None, tag=None):
+#    print(response.json())
+#    for tag in response.json():
+#        if number != None and number != tag.get("number"):
+#            continue
+#
+#        if name != None and name != tag.get("name"):
+#            continue
+#
+#        if controller_id != None and controller_id != tag.get("controller_id"):
+#            continue
+#
+#        if tag != None:
+#            found_in_response = False
+#            for response_tag in tag.get("tags"):
+#                if response_tag == tag:
+#                    found_in_response = True
+#            if not found_in_response:
+#                continue
+#        return
+#    assert False, "tag not found in list"