feat: add a config for flag set metadata to circumvent flagd bug with metadata merging

flags/metadata-flags.json

@@ -23,6 +23,21 @@
           "external"
         ]
       }
+    },
+    "metadata-flag": {
+      "state": "ENABLED",
+      "variants": {
+        "true": true,
+        "false": false
+      },
+      "defaultVariant": "false",
+      "targeting": {},
+      "metadata": {
+        "string": "a",
+        "integer": 1,
+        "float": 1.2,
+        "boolean": true
+      }
     }
   }
 }

flags/selector-flag-combined-metadata.json

@@ -14,6 +14,15 @@
         "float": 1.2,
         "boolean": true
       }
+    },
+    "only-set-metadata-flag": {
+      "state": "ENABLED",
+      "variants": {
+        "true": true,
+        "false": false
+      },
+      "defaultVariant": "false",
+      "targeting": {}
     }
   },
   "metadata": {

gherkin/metadata.feature

@@ -6,8 +6,7 @@ Feature: flag and flag set metadata
   # It should be used in conjunction with the suites supplied by the OpenFeature specification.
 
   Scenario: Returns metadata
-    Given an option "selector" of type "String" with value "rawflags/selector-flag-metadata.json"
-    And a stable flagd provider
+    Given a stable flagd provider
     And a Boolean-flag with key "metadata-flag" and a default value "true"
     When the flag was evaluated with details
     Then the resolved metadata should contain
@@ -18,20 +17,24 @@ Feature: flag and flag set metadata
       | boolean | Boolean       | true  |
 
   Scenario: Returns flag set metadata
-    Given an option "selector" of type "String" with value "rawflags/selector-flag-set-metadata.json"
-    And a stable flagd provider
-    And a Boolean-flag with key "set-metadata-flag" and a default value "true"
+    Given an option "selector" of type "String" with value "rawflags/selector-flag-combined-metadata.json"
+    And a metadata flagd provider
+    And a Boolean-flag with key "only-set-metadata-flag" and a default value "true"
     When the flag was evaluated with details
     Then the resolved metadata should contain
-      | key     | metadata_type | value |
-      | string  | String        | a     |
-      | integer | Integer       | 1     |
-      | float   | Float         | 1.2   |
-      | boolean | Boolean       | true  |
+      | key              | metadata_type | value |
+      | string           | String        | b     |
+      | integer          | Integer       | 2     |
+      | float            | Float         | 2.2   |
+      | boolean          | Boolean       | false |
+      | flag-set-string  | String        | c     |
+      | flag-set-integer | Integer       | 3     |
+      | flag-set-float   | Float         | 3.2   |
+      | flag-set-boolean | Boolean       | false |
 
   Scenario: Flag metadata overwrites flag set metadata
     Given an option "selector" of type "String" with value "rawflags/selector-flag-combined-metadata.json"
-    And a stable flagd provider
+    And a metadata flagd provider
     And a Boolean-flag with key "combined-metadata-flag" and a default value "true"
     When the flag was evaluated with details
     Then the resolved metadata should contain

launchpad/configs/default.json

@@ -8,14 +8,6 @@
       "uri": "rawflags/selector-flags.json",
       "provider": "file"
     },
-    {
-      "uri": "rawflags/selector-flag-metadata.json",
-      "provider": "file"
-    },
-    {
-      "uri": "rawflags/selector-flag-set-metadata.json",
-      "provider": "file"
-    },
     {
       "uri": "rawflags/selector-flag-combined-metadata.json",
       "provider": "file"

launchpad/configs/metadata.json

@@ -0,0 +1,8 @@
+{
+  "sources": [
+    {
+      "uri": "rawflags/selector-flag-combined-metadata.json",
+      "provider": "file"
+    }
+  ]
+}

launchpad/configs/ssl.json

@@ -10,14 +10,6 @@
       "uri": "rawflags/selector-flags.json",
       "provider": "file"
     },
-    {
-      "uri": "rawflags/selector-flag-metadata.json",
-      "provider": "file"
-    },
-    {
-      "uri": "rawflags/selector-flag-set-metadata.json",
-      "provider": "file"
-    },
     {
       "uri": "rawflags/selector-flag-combined-metadata.json",
       "provider": "file"