test/entity_test.rb in ro-crate-0.5.1 vs test/entity_test.rb in ro-crate-0.5.2

@@ -70,9 +70,26 @@
     assert_equal({ '@id' => '#fred' }, crate['author'])
     assert_equal({ '@id' => '#fred' }, person.reference)
     assert_equal(person.canonical_id, crate.author.canonical_id)
   end
 
+  test 'to_json' do
+    crate = ROCrate::Crate.new
+
+    crate['test'] = 'hello'
+    crate['test2'] = ['hello']
+    crate['test3'] = 123
+    crate['test4'] = { a: 'bc' }
+
+    json = crate.to_json
+    parsed = JSON.parse(json)
+
+    assert_equal 'hello', parsed['test']
+    assert_equal ['hello'], parsed['test2']
+    assert_equal 123, parsed['test3']
+    assert_equal({ 'a' => 'bc' }, parsed['test4'])
+  end
+
   test 'format various IDs' do
     assert_equal "#Hello%20World/Goodbye%20World", ROCrate::ContextualEntity.format_id('#Hello World/Goodbye World')
     assert_equal "#Hello%20World/Goodbye%20World", ROCrate::ContextualEntity.format_id('Hello World/Goodbye World')
     assert_equal "#%F0%9F%98%8A", ROCrate::ContextualEntity.format_id("😊")
     assert_equal "https://orcid.org/0000-0002-0048-3300", ROCrate::ContextualEntity.format_id("https://orcid.org/0000-0002-0048-3300")