diff --git a/test/test_InfoExtractor.py b/test/test_InfoExtractor.py
index 0b581d620..962c93959 100644
--- a/test/test_InfoExtractor.py
+++ b/test/test_InfoExtractor.py
@@ -1948,41 +1948,53 @@ def test_search_nextjs_data(self):
             self.assertEqual(self.ie._search_nextjs_data('', None, default='{}'), {})
 
     def test_search_nuxt_json(self):
-        HTML = '''
-            <script data-ssr="true" id="__NUXT_DATA__" type="application/json">
-                [
-                    ["ShallowReactive",1],
-                    {"data":2,"state":21,"once":25,"_errors":28},
-                    ["ShallowReactive",3],
-                    {"$abcdef123456":4},
-                    {"podcast":5,"activeEpisodeData":7},
-                    {"podcast":6,"seasons":14},
-                    {"title":10,"id":11},
-                    ["Reactive",8],
-                    {"episode":9,"creators":18,"empty_list":20},
-                    {"title":12,"id":13},
-                    "Series Title",
-                    "podcast-id-01",
-                    "Episode Title",
-                    "episode-id-99",
-                    [15,16,17],
-                    1,
-                    2,
-                    3,
-                    [19],
-                    "Podcast Creator",
-                    [],
-                    {"$ssite-config":22},
-                    {"env":23,"name":24,"map":26,"numbers":14},
-                    "production",
-                    "podcast-website",
-                    ["Set"],
-                    ["Reactive",27],
-                    ["Map"],
-                    ["ShallowReactive",29],
-                    {}
-                ]
-            </script>'''
+        HTML_TMPL = '<script data-ssr="true" id="__NUXT_DATA__" type="application/json">[{}]</script>'
+        VALID_DATA = '''
+            ["ShallowReactive",1],
+            {"data":2,"state":21,"once":25,"_errors":28,"_server_errors":30},
+            ["ShallowReactive",3],
+            {"$abcdef123456":4},
+            {"podcast":5,"activeEpisodeData":7},
+            {"podcast":6,"seasons":14},
+            {"title":10,"id":11},
+            ["Reactive",8],
+            {"episode":9,"creators":18,"empty_list":20},
+            {"title":12,"id":13,"refs":34,"empty_refs":35},
+            "Series Title",
+            "podcast-id-01",
+            "Episode Title",
+            "episode-id-99",
+            [15,16,17],
+            1,
+            2,
+            3,
+            [19],
+            "Podcast Creator",
+            [],
+            {"$ssite-config":22},
+            {"env":23,"name":24,"map":26,"numbers":14},
+            "production",
+            "podcast-website",
+            ["Set"],
+            ["Reactive",27],
+            ["Map"],
+            ["ShallowReactive",29],
+            {},
+            ["NuxtError",31],
+            {"status":32,"message":33},
+            503,
+            "Service Unavailable",
+            [36,37],
+            [38,39],
+            ["Ref",40],
+            ["ShallowRef",41],
+            ["EmptyRef",42],
+            ["EmptyShallowRef",43],
+            "ref",
+            "shallow_ref",
+            "{\\"ref\\":1}",
+            "{\\"shallow_ref\\":2}"
+        '''
         PAYLOAD = {
             'data': {
                 '$abcdef123456': {
@@ -1997,6 +2009,8 @@ def test_search_nuxt_json(self):
                         'episode': {
                             'title': 'Episode Title',
                             'id': 'episode-id-99',
+                            'refs': ['ref', 'shallow_ref'],
+                            'empty_refs': [{'ref': 1}, {'shallow_ref': 2}],
                         },
                         'creators': ['Podcast Creator'],
                         'empty_list': [],
@@ -2013,20 +2027,43 @@ def test_search_nuxt_json(self):
             },
             'once': [],
             '_errors': {},
+            '_server_errors': {
+                'status': 503,
+                'message': 'Service Unavailable',
+            },
         }
-        BAD_HTML = '''
-            <script data-ssr="true" id="__NUXT_DATA__" type="application/json">
-                [
-                    ["ShallowReactive",1],
-                    {"data":2},
-                    {"improper_raw_list":3},
-                    [15,16,17]
-                ]
-            </script>'''
+        INVALID_LIST = [
+            '''
+                {"data":1},
+                {"invalid_raw_list":2},
+                [15,16,17]
+            ''',
+            '''
+                {"data":1},
+                ["EmptyRef",2],
+                "not valid JSON"
+            ''',
+            '''
+                {"data":1},
+                ["EmptyShallowRef",2],
+                "not valid JSON"
+            ''',
+            '''
+                {"data":1},
+                ["unsupported",2],
+                {}
+            ''',
+        ]
+        DEFAULT = {'default': 'works'}
 
-        self.assertEqual(self.ie._search_nuxt_json(HTML, 'id'), PAYLOAD)
+        self.assertEqual(self.ie._search_nuxt_json(HTML_TMPL.format(VALID_DATA), None), PAYLOAD)
         self.assertEqual(self.ie._search_nuxt_json('', None, fatal=False), {})
-        self.assertEqual(self.ie._search_nuxt_json(BAD_HTML, None, default={}), {})
+        self.assertEqual(self.ie._search_nuxt_json('', None, default=DEFAULT), DEFAULT)
+        self.assertEqual(self.ie._search_nuxt_json(HTML_TMPL.format(INVALID_LIST[0]), None, fatal=False), {})
+        for invalid_data in INVALID_LIST[1:]:
+            self.assertEqual(
+                self.ie._search_nuxt_json(HTML_TMPL.format(invalid_data), None, default=DEFAULT),
+                DEFAULT)
 
 
 if __name__ == '__main__':