Update plugin: XEP-0317 (hats)

Merge changes from nicoco's MR that I missed, improving tests and
interface.

slixmpp/plugins/xep_0317/hats.py

@@ -1,6 +1,4 @@
 from slixmpp.plugins import BasePlugin
-from slixmpp import Presence
-from slixmpp.xmlstream import register_stanza_plugin
 from . import stanza
 
 
@@ -8,13 +6,11 @@ class XEP_0317(BasePlugin):
     """
     XEP-0317: Hats
     """
-
     name = 'xep_0317'
     description = 'XEP-0317: Hats'
-    dependencies = {'xep_0030', 'xep_0050'}
+    dependencies = {'xep_0030', 'xep_0045', 'xep_0050'}
     stanza = stanza
     namespace = stanza.NS
 
     def plugin_init(self):
-        register_stanza_plugin(stanza.Hat, stanza.Hats)
+        stanza.register_plugin()
-        register_stanza_plugin(stanza.Hats, Presence)

slixmpp/plugins/xep_0317/stanza.py

@@ -1,4 +1,5 @@
-from slixmpp.xmlstream import ElementBase
+from slixmpp import Presence
+from slixmpp.xmlstream import ElementBase, register_stanza_plugin
 
 NS = 'urn:xmpp:hats:0'
 
@@ -25,6 +26,13 @@ class Hats(ElementBase):
     namespace = NS
     plugin_attrib = 'hats'
 
+    def add_hats(self, data: list[tuple[str, str]]) -> None:
+        for uri, title in data:
+            hat = Hat()
+            hat["uri"] = uri
+            hat["title"] = title
+            self.append(hat)
+
 
 class Hat(ElementBase):
     """
@@ -38,6 +46,12 @@ class Hat(ElementBase):
 
     """
     name = 'hat'
-    namespace = NS
     plugin_attrib = 'hat'
+    namespace = NS
     interfaces = {'title', 'uri'}
+    plugin_multi_attrib = "hats"
+
+
+def register_plugin() -> None:
+    register_stanza_plugin(Hats, Hat, iterable=True)
+    register_stanza_plugin(Presence, Hats)

slixmpp/pluginsdict.py

@@ -76,6 +76,7 @@ from slixmpp.plugins.xep_0297 import XEP_0297
 from slixmpp.plugins.xep_0300 import XEP_0300
 from slixmpp.plugins.xep_0308 import XEP_0308
 from slixmpp.plugins.xep_0313 import XEP_0313
+from slixmpp.plugins.xep_0317 import XEP_0317
 from slixmpp.plugins.xep_0319 import XEP_0319
 from slixmpp.plugins.xep_0332 import XEP_0332
 from slixmpp.plugins.xep_0333 import XEP_0333
@@ -171,6 +172,7 @@ class PluginsDict(TypedDict):
     xep_0300: XEP_0300
     xep_0308: XEP_0308
     xep_0313: XEP_0313
+    xep_0317: XEP_0317
     xep_0319: XEP_0319
     xep_0332: XEP_0332
     xep_0333: XEP_0333

tests/test_stanza_xep_0317.py

@@ -2,16 +2,15 @@ import unittest
 from slixmpp import Presence
 from slixmpp.test import SlixTest
 import slixmpp.plugins.xep_0317 as xep_0317
-from slixmpp.xmlstream import register_stanza_plugin
+from slixmpp.plugins.xep_0317 import stanza
 
 
 class TestStanzaHats(SlixTest):
 
     def setUp(self):
-        register_stanza_plugin(Presence, xep_0317.Hats)
+        stanza.register_plugin()
-        register_stanza_plugin(xep_0317.Hats, xep_0317.Hats)
 
-    def testCreateHats(self):
+    def test_create_hats(self):
         raw_xml = """
           <hats xmlns="urn:xmpp:hats:0">
             <hat uri="http://example.com/hats#Teacher" title="Teacher"/>
@@ -27,5 +26,42 @@ class TestStanzaHats(SlixTest):
 
         self.check(hats, raw_xml, use_values=False)
 
+    def test_set_single_hat(self):
+        presence = Presence()
+        presence["hats"]["hat"]["uri"] = "test-uri"
+        presence["hats"]["hat"]["title"] = "test-title"
+        self.check(
+            presence,  # language=XML
+            """
+            <presence>
+              <hats xmlns='urn:xmpp:hats:0'>
+                <hat uri='test-uri' title='test-title'/>
+              </hats>
+            </presence>
+            """,
+        )
+
+    def test_set_multi_hat(self):
+        presence = Presence()
+        presence["hats"].add_hats([("uri1", "title1"), ("uri2", "title2")])
+        self.check(
+            presence,  # language=XML
+            """
+            <presence>
+              <hats xmlns='urn:xmpp:hats:0'>
+                <hat uri='uri1' title='title1'/>
+                <hat uri='uri2' title='title2'/>
+              </hats>
+            </presence>
+            """,
+        )
+
+    def test_get_hats(self):
+        presence = Presence()
+        presence["hats"].add_hats([("uri1", "title1"), ("uri2", "title2")])
+        for i, hat in enumerate(presence["hats"]["hats"], start=1):
+            self.assertEqual(hat["uri"], f"uri{i}")
+            self.assertEqual(hat["title"], f"title{i}")
+
 
 suite = unittest.TestLoader().loadTestsFromTestCase(TestStanzaHats)