Fix incorrect key in param encoding (#1488)

stripe · Nov 15, 2024 · 56b9950 · 56b9950
1 parent c4d0746
commit 56b9950
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/lib/stripe/util.rb b/lib/stripe/util.rb
@@ -259,7 +259,7 @@ def self.flatten_params_array(value, api_mode, calculated_key)
         if elem.is_a?(Hash)
           result += flatten_params(elem, api_mode, "#{calculated_key}[#{i}]")
         elsif elem.is_a?(Array)
-          result += flatten_params_array(elem, calculated_key, api_mode)
+          result += flatten_params_array(elem, api_mode, calculated_key)
         else
           result << if api_mode == :v2
                       [calculated_key, elem]

diff --git a/test/stripe/util_test.rb b/test/stripe/util_test.rb
@@ -16,13 +16,24 @@ class UtilTest < Test::Unit::TestCase
 
           # NOTE: the empty hash won't even show up in the request
           g: [],
+
         }
         assert_equal(
           "a=3&b=%2Bfoo%3F&c=bar%26baz&d[a]=a&d[b]=b&e[0]=0&e[1]=1&f=",
           Stripe::Util.encode_parameters(params, :v1)
         )
       end
 
+      should "correctly represent nested arrays" do
+        params = {
+          a: [[foo: "bar", baz: "qux"]],
+        }
+        assert_equal(
+          "a[0][foo]=bar&a[0][baz]=qux",
+          Stripe::Util.encode_parameters(params, :v1)
+        )
+      end
+
       should "use correct array expansion for v2 query params" do
         params = {
           d: { a: "a", b: "b" },