Allow managing bucket subscriptions

test/controllers/buckets/subscriptions_controller_test.rb

@@ -0,0 +1,25 @@
+require "test_helper"
+
+class Buckets::SubscriptionsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    sign_in_as :jz
+  end
+
+  test "subscribing to a bucket" do
+    assert_changes -> { buckets(:writebook).subscribed_by?(users(:jz)) }, from: false, to: true do
+      put bucket_subscriptions_url(buckets(:writebook)), params: { subscribed: "1" }
+    end
+
+    assert_response :success
+  end
+
+  test "unsubscribing from a bucket" do
+    buckets(:writebook).subscribe(users(:jz))
+
+    assert_changes -> { buckets(:writebook).subscribed_by?(users(:jz)) }, from: true, to: false do
+      put bucket_subscriptions_url(buckets(:writebook)), params: { subscribed: "0" }
+    end
+
+    assert_response :success
+  end
+end