feat: add fractional as condition flag (#354)

Signed-off-by: Todd Baert <todd.baert@dynatrace.com>

Author: toddbaert

flags/custom-ops.json

@@ -166,6 +166,26 @@
         ]
       }
     },
+    "fractional-as-condition-flag": {
+      "state": "ENABLED",
+      "variants": {
+        "big": "hundreds",
+        "small": "ones",
+        "fallback": "zero"
+      },
+      "defaultVariant": "fallback",
+      "targeting": {
+        "if": [
+          {
+            "fractional": [
+              [ false, 0 ],
+              [ true, 100 ]
+            ]
+          },
+          "big", "small"
+        ]
+      }
+    },
     "starts-ends-flag": {
       "state": "ENABLED",
       "variants": {

gherkin/targeting.feature

@@ -186,6 +186,13 @@ Feature: Targeting rules
       | user1           | premium | red     |
       | user1           | basic   | blue    |
 
+  @fractional @fractional-nested
+  Scenario: Fractional as condition
+    Given a String-flag with key "fractional-as-condition-flag" and a default value "zero"
+    And a context containing a targeting key with value "some-targeting-key"
+    When the flag was evaluated with details
+    Then the resolved details value should be "hundreds"
+
   @string
   Scenario Outline: Substring operators
     Given a String-flag with key "starts-ends-flag" and a default value "fallback"