Add style dictionary find-token-reference test

frontend/src/app/main/ui/workspace/tokens/style_dictionary.cljs

@@ -24,21 +24,12 @@
 ;; Functions -------------------------------------------------------------------
 
 (defn find-token-references
-  "Finds token reference values in `str` and returns a set with all contained namespaces."
+  "Finds token reference values in `value-string` and returns a set with all contained namespaces."
-  [str]
+  [value-string]
-  (some->> (re-seq #"\{([^}]*)\}" str)
+  (some->> (re-seq #"\{([^}]*)\}" value-string)
            (map second)
            (into #{})))
 
-(comment
-  (find-token-references "{foo} + {bar}")
-  ;; => #{"foo" "bar"}
-  (find-token-references "{foo.bar.baz} + something")
-  ;; => #{"foo.bar.baz"}
-  (find-token-references "1 + 2")
-  ;; => nil
-  nil)
-
 (defn token-self-reference? [token-name reference-string]
   (let [escaped-name (str/replace token-name "." "\\.")
         regex (-> (str "{" escaped-name "}")

frontend/test/frontend_tests/tokens/style_dictionary_test.cljs

@@ -0,0 +1,19 @@
+;; This Source Code Form is subject to the terms of the Mozilla Public
+;; License, v. 2.0. If a copy of the MPL was not distributed with this
+;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;;
+;; Copyright (c) KALEIDOS INC
+(ns frontend-tests.tokens.style-dictionary-test
+  (:require
+   [app.main.ui.workspace.tokens.style-dictionary :as wtsd]
+   [cljs.test :as t :include-macros true]))
+
+(t/deftest test-find-token-references
+  ;; Return references
+  (t/is (= #{"foo" "bar"} (wtsd/find-token-references "{foo} + {bar}")))
+  ;; Ignore non reference text
+  (t/is (= #{"foo.bar.baz"} (wtsd/find-token-references "{foo.bar.baz} + something")))
+  ;; No references found
+  (t/is (nil? (wtsd/find-token-references "1 + 2")))
+  ;; Edge-case: Ignore unmatched closing parens
+  (t/is (= #{"foo" "bar"} (wtsd/find-token-references "{foo}} + {bar}"))))