diff --git a/lib/rails/controller/testing/template_assertions.rb b/lib/rails/controller/testing/template_assertions.rb
index 5a4c29f..af35343 100644
--- a/lib/rails/controller/testing/template_assertions.rb
+++ b/lib/rails/controller/testing/template_assertions.rb
@@ -11,7 +11,7 @@ module TemplateAssertions
           teardown :teardown_subscriptions
         end
 
-        RENDER_TEMPLATE_INSTANCE_VARIABLES = %w{partials templates layouts files}.freeze
+        RENDER_TEMPLATE_INSTANCE_VARIABLES = %w{partials templates layouts files identifiers}.freeze
 
         def setup_subscriptions
           RENDER_TEMPLATE_INSTANCE_VARIABLES.each do |instance_variable|
@@ -31,6 +31,11 @@ def setup_subscriptions
           end
 
           @_subscribers << ActiveSupport::Notifications.subscribe("!render_template.action_view") do |_name, _start, _finish, _id, payload|
+            path = payload[:identifier]
+            if path
+              @_identifiers[path] += 1
+            end
+
             if virtual_path = payload[:virtual_path]
               partial = virtual_path =~ /^.*\/_[^\/]*$/
 
@@ -40,12 +45,9 @@ def setup_subscriptions
               end
 
               @_templates[virtual_path] += 1
-            else
-              path = payload[:identifier]
-              if path
-                @_files[path] += 1
-                @_files[path.split("/").last] += 1
-              end
+            elsif path
+              @_files[path] += 1
+              @_files[path.split("/").last] += 1
             end
           end
         end
@@ -101,6 +103,9 @@ def reset_template_assertion
         #   assert_template file: nil
         #   assert_template file: false
         #
+        #   # assert that the template "/path/to/app/views/admin/posts/new.html.erb" was rendered
+        #   assert_template identifier: "/path/to/app/views/admin/posts/new.html.erb"
+        #
         # In a view test case, you can also assert that specific locals are passed
         # to partials:
         #
@@ -131,7 +136,7 @@ def assert_template(options = {}, message = nil)
               end
             assert matches_template, msg
           when Hash
-            options.assert_valid_keys(:layout, :partial, :locals, :count, :file)
+            options.assert_valid_keys(:layout, :partial, :locals, :count, :file, :identifier)
 
             if options.key?(:layout)
               expected_layout = options[:layout]
@@ -156,6 +161,10 @@ def assert_template(options = {}, message = nil)
               assert @_files.blank?, "expected no files but #{@_files.keys} was rendered"
             end
 
+            if options[:identifier]
+              assert_includes @_identifiers.keys, options[:identifier]
+            end
+
             if expected_partial = options[:partial]
               if expected_locals = options[:locals]
                 if defined?(@_rendered_views)
diff --git a/test/controllers/template_assertions_test.rb b/test/controllers/template_assertions_test.rb
index d1a6fa3..41ea38c 100644
--- a/test/controllers/template_assertions_test.rb
+++ b/test/controllers/template_assertions_test.rb
@@ -160,6 +160,27 @@ def test_passes_with_correct_layout_symbol
     assert_template layout: :standard
   end
 
+  def test_identifier
+    get :render_with_template
+    assert_template identifier: Rails.root.join('app/views/test/hello_world.html.erb').to_s
+  end
+
+  def test_identifier_with_layout
+    get :render_with_layout
+    assert_template identifier: Rails.root.join('app/views/layouts/standard.html.erb').to_s
+  end
+
+  def test_identifier_with_partial
+    get :render_with_partial
+    assert_template identifier: Rails.root.join('app/views/test/_partial.html.erb').to_s
+  end
+
+  def test_identifier_with_layout_and_partial
+    get :render_with_layout_and_partial
+    assert_template identifier: Rails.root.join('app/views/layouts/standard.html.erb').to_s
+    assert_template identifier: Rails.root.join('app/views/test/_partial.html.erb').to_s
+  end
+
   def test_assert_template_reset_between_requests
     get :render_with_template
     assert_template 'test/hello_world'