Merge pull request #73 from skoji/allow-nil-and-ignore

Allow nil and ignore (fix #71)
skoji · May 23, 2018 · f189a7a · f189a7a
2 parents c8ca9ff + 4c3de0a
commit f189a7a
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diff --git a/lib/gepub/metadata.rb b/lib/gepub/metadata.rb
@@ -140,6 +140,7 @@ def oldstyle_meta_clear
       define_method(node+'=') {
         |content|
         send(node + "_clear")
+        return if content.nil?
         if node == 'date'
           add_date(content, nil)
         else

diff --git a/spec/example_spec.rb b/spec/example_spec.rb
@@ -110,5 +110,23 @@
       book.generate_epub(epubname)
       epubcheck(epubname)
     end
+
+    it 'should generate simple EPUB3 with some nil metadata' do
+      book = GEPUB::Book.new
+      book.identifier = 'http://example.jp/bookid_in_url'
+      book.title = 'GEPUB Sample Book'
+      book.creator = 'KOJIMA Satoshi'
+      book.language = 'ja'
+      book.publisher = nil
+
+      book.ordered do
+        item = book.add_item('name.xhtml')
+        item.add_content StringIO.new('<html xmlns="http://www.w3.org/1999/xhtml"><head><title>c1</title></head><body><p>the first page</p></body></html>')
+      end
+
+      epubname = File.join(File.dirname(__FILE__), 'example_test.epub')
+      book.generate_epub(epubname)
+      epubcheck(epubname)
+    end
   end
 end