1 files changed, 119 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/uploaded_file_test.rb b/actionpack/test/dispatch/uploaded_file_test.rb
new file mode 100644
index 0000000000..21169fcb5c
--- /dev/null
+++ b/actionpack/test/dispatch/uploaded_file_test.rb
@@ -0,0 +1,119 @@
+# frozen_string_literal: true
+
+require "abstract_unit"
+
+module ActionDispatch
+  class UploadedFileTest < ActiveSupport::TestCase
+    def test_constructor_with_argument_error
+      assert_raises(ArgumentError) do
+        Http::UploadedFile.new({})
+      end
+    end
+
+    def test_original_filename
+      uf = Http::UploadedFile.new(filename: "foo", tempfile: Object.new)
+      assert_equal "foo", uf.original_filename
+    end
+
+    def test_filename_is_different_object
+      file_str = "foo"
+      uf = Http::UploadedFile.new(filename: file_str, tempfile: Object.new)
+      assert_not_equal file_str.object_id, uf.original_filename.object_id
+    end
+
+    def test_filename_should_be_in_utf_8
+      uf = Http::UploadedFile.new(filename: "foo", tempfile: Object.new)
+      assert_equal "UTF-8", uf.original_filename.encoding.to_s
+    end
+
+    def test_filename_should_always_be_in_utf_8
+      uf = Http::UploadedFile.new(filename: "foo".encode(Encoding::SHIFT_JIS),
+                                  tempfile: Object.new)
+      assert_equal "UTF-8", uf.original_filename.encoding.to_s
+    end
+
+    def test_content_type
+      uf = Http::UploadedFile.new(type: "foo", tempfile: Object.new)
+      assert_equal "foo", uf.content_type
+    end
+
+    def test_headers
+      uf = Http::UploadedFile.new(head: "foo", tempfile: Object.new)
+      assert_equal "foo", uf.headers
+    end
+
+    def test_tempfile
+      uf = Http::UploadedFile.new(tempfile: "foo")
+      assert_equal "foo", uf.tempfile
+    end
+
+    def test_to_io_returns_the_tempfile
+      tf = Object.new
+      uf = Http::UploadedFile.new(tempfile: tf)
+      assert_equal tf, uf.to_io
+    end
+
+    def test_delegates_path_to_tempfile
+      tf = Class.new { def path; "thunderhorse" end }
+      uf = Http::UploadedFile.new(tempfile: tf.new)
+      assert_equal "thunderhorse", uf.path
+    end
+
+    def test_delegates_open_to_tempfile
+      tf = Class.new { def open; "thunderhorse" end }
+      uf = Http::UploadedFile.new(tempfile: tf.new)
+      assert_equal "thunderhorse", uf.open
+    end
+
+    def test_delegates_close_to_tempfile
+      tf = Class.new { def close(unlink_now = false); "thunderhorse" end }
+      uf = Http::UploadedFile.new(tempfile: tf.new)
+      assert_equal "thunderhorse", uf.close
+    end
+
+    def test_close_accepts_parameter
+      tf = Class.new { def close(unlink_now = false); "thunderhorse: #{unlink_now}" end }
+      uf = Http::UploadedFile.new(tempfile: tf.new)
+      assert_equal "thunderhorse: true", uf.close(true)
+    end
+
+    def test_delegates_read_to_tempfile
+      tf = Class.new { def read(length = nil, buffer = nil); "thunderhorse" end }
+      uf = Http::UploadedFile.new(tempfile: tf.new)
+      assert_equal "thunderhorse", uf.read
+    end
+
+    def test_delegates_read_to_tempfile_with_params
+      tf = Class.new { def read(length = nil, buffer = nil); [length, buffer] end }
+      uf = Http::UploadedFile.new(tempfile: tf.new)
+      assert_equal %w{ thunder horse }, uf.read(*%w{ thunder horse })
+    end
+
+    def test_delegate_respects_respond_to?
+      tf = Class.new { def read; yield end; private :read }
+      uf = Http::UploadedFile.new(tempfile: tf.new)
+      assert_raises(NoMethodError) do
+        uf.read
+      end
+    end
+
+    def test_delegate_eof_to_tempfile
+      tf = Class.new { def eof?; true end; }
+      uf = Http::UploadedFile.new(tempfile: tf.new)
+      assert_predicate uf, :eof?
+    end
+
+    def test_delegate_to_path_to_tempfile
+      tf = Class.new { def to_path; "/any/file/path" end; }
+      uf = Http::UploadedFile.new(tempfile: tf.new)
+      assert_equal "/any/file/path", uf.to_path
+    end
+
+    def test_respond_to?
+      tf = Class.new { def read; yield end }
+      uf = Http::UploadedFile.new(tempfile: tf.new)
+      assert_respond_to uf, :headers
+      assert_respond_to uf, :read
+    end
+  end
+end