test/test-pdf.rb in chupa-text-decomposer-pdf-1.0.8 vs test/test-pdf.rb in chupa-text-decomposer-pdf-1.1.0

@@ -1,6 +1,6 @@
-# Copyright (C) 2013-2017  Kouhei Sutou <[e-mail]>
+# Copyright (C) 2013-2019  Kouhei Sutou <[e-mail]>
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
 # version 2.1 of the License, or (at your option) any later version.
@@ -30,10 +30,17 @@
   def fixture_path(*components)
     base_path = Pathname(__FILE__).dirname + "fixture"
     base_path.join(*components)
   end
 
+  def capture_log(&block)
+    ChupaText::CaptureLogger.capture(&block).collect do |level, message|
+      message = message.split("\n", 2)[0]
+      [level, message]
+    end
+  end
+
   sub_test_case("target?") do
     sub_test_case("extension") do
       def create_data(uri)
         data = ChupaText::Data.new
         data.body = "%PDF-1.4"
@@ -208,9 +215,26 @@
 
       def load_image_fixture(fixture_name)
         File.open(fixture_path(fixture_name), "rb") do |file|
           load_image_data(file.read)
         end
+      end
+    end
+
+    sub_test_case("invalid") do
+      def test_empty
+        messages = capture_log do
+          assert_equal([],
+                       decompose(fixture_path("empty.pdf")).collect(&:body))
+        end
+        assert_equal([
+                       [
+                         :error,
+                         "[decomposer][pdf] Failed to process PDF: " +
+                         "Poppler::Error::Damaged: PDF document is damaged",
+                       ],
+                     ],
+                     messages)
       end
     end
   end
 end