TableBuilderHelper::Column#link_to: Allow arbitrary number of arguments

This enables us to pass multiple objects into the lambda, so that we can
for example build a URL using a Rails helper using multiple objects.

Example:

    column.link_to(referential, item)

    lambda do |referential, item|
      some_path(referential, item)
    end

2 files changed, 16 insertions, 2 deletions

diff --git a/app/helpers/table_builder_helper/column.rb b/app/helpers/table_builder_helper/column.rb
index b4c569882..5834cbc4e 100644
--- a/app/helpers/table_builder_helper/column.rb
+++ b/app/helpers/table_builder_helper/column.rb
@@ -35,8 +35,8 @@ module TableBuilderHelper
       !@link_to.nil?
     end
 
-    def link_to(obj)
-      @link_to.call(obj)
+    def link_to(*objs)
+      @link_to.call(*objs)
     end
   end
 
diff --git a/spec/helpers/table_builder_helper/column_spec.rb b/spec/helpers/table_builder_helper/column_spec.rb
index e0bfd8a6a..1366d8c46 100644
--- a/spec/helpers/table_builder_helper/column_spec.rb
+++ b/spec/helpers/table_builder_helper/column_spec.rb
@@ -58,5 +58,19 @@ describe TableBuilderHelper::Column do
         ).link_to(train)
       ).to eq('TGV')
     end
+
+    it "takes any number of arguments" do
+      train = double('train', kind: 'Shinkansen')
+
+      expect(
+        TableBuilderHelper::Column.new(
+          name: 'unused',
+          attribute: nil,
+          link_to: lambda do |prefix, train|
+            "#{prefix}: #{train.kind}"
+          end
+        ).link_to('Type', train)
+      ).to eq('Type: Shinkansen')
+    end
   end
 end