Fix :follow_links option not doing anything when set to false

lib/docs/filters/core/internal_urls.rb

@@ -30,15 +30,15 @@ module Docs
     end
 
     def skip_links?
-      if context[:skip_links].is_a? Proc
-        context[:skip_links].call self
-      else
-        context[:skip_links]
-      end
+      return context[:skip_links].call(self) if context[:skip_links].is_a?(Proc)
+      return true if context[:skip_links]
+      false
     end
 
     def follow_links?
-      !(context[:follow_links] && context[:follow_links].call(self) == false)
+      return false if context[:follow_links] == false
+      return false if context[:follow_links].is_a?(Proc) && context[:follow_links].call(self) == false
+      true
     end
 
     def to_internal_url(str)

test/lib/docs/filters/core/internal_urls_test.rb

@@ -331,11 +331,26 @@ class InternalUrlsFilterTest < MiniTest::Spec
     end
   end
 
-  context "context[:follow_links] is a block" do
+  context "context[:follow_links]" do
     before do
       @body = link_to context[:url]
     end
 
+    context "when it is false" do
+      before do
+        context[:follow_links] = false
+      end
+
+      it "doesn't set :internal_urls" do
+        refute internal_urls
+      end
+
+      it "replaces urls" do
+        refute_equal @body, filter_output_string
+      end
+    end
+
+    context "when it is a block" do
       it "calls the block with the filter instance" do
         context[:follow_links] = ->(arg) { @arg = arg; nil }
         filter.call
@@ -366,6 +381,7 @@ class InternalUrlsFilterTest < MiniTest::Spec
         end
       end
     end
+  end
 
   context "context[:skip_link] is a block" do
     before do