use real parser

src/allmydata/test/test_testing.py

@@ -15,6 +15,10 @@ from twisted.internet.defer import (
     inlineCallbacks,
 )
 
+from allmydata.uri import (
+    from_string,
+    CHKFileURI,
+)
 from allmydata.testing.web import (
     create_tahoe_treq_client,
 )
@@ -60,11 +64,12 @@ class FakeWebTest(TestCase):
             resp = yield self.http_client.put("http://example.com/uri", content)
             self.assertEqual(resp.code, 201)
 
-            cap = yield resp.content()
-            self.assertTrue(cap.startswith("URI:CHK:"))
+            cap_raw = yield resp.content()
+            cap = from_string(cap_raw)
+            self.assertIsInstance(cap, CHKFileURI)
 
             resp = yield self.http_client.get(
-                "http://example.com/uri?uri={}".format(cap)
+                "http://example.com/uri?uri={}".format(cap.to_string())
             )
             self.assertEqual(resp.code, 200)
 

src/allmydata/testing/web.py

@@ -90,7 +90,7 @@ def capability_generator(kind):
         key = base32.b2a(key_hasher.digest()[:16])  # key is 16 bytes
         ueb_hash = base32.b2a(ueb_hasher.digest())  # ueb hash is 32 bytes
 
-        cap = u"{kind}:{key}:{ueb_hash}:{n}:{k}:{size}".format(
+        cap = u"{kind}{key}:{ueb_hash}:{n}:{k}:{size}".format(
             kind=kind,
             key=key,
             ueb_hash=ueb_hash,