Add get_resolved_spec and get_resolved_ref_url methods

binderhub/repoproviders.py

@@ -322,8 +322,26 @@ def get_resolved_ref(self):
             major=resp["data"]["latestVersion"]["versionNumber"],
             minor=resp["data"]["latestVersion"]["versionMinorNumber"],
         )
+
+        # NOTE: data.protocol should be potentially prepended here
+        #  {protocol}:{authority}/{identifier}
+        self.resolved_spec = "{authority}/{identifier}".format(
+            authority=resp["data"]["authority"],
+            identifier=resp["data"]["identifier"],
+        )
+        self.resolved_ref_url = resp["data"]["persistentUrl"]
         return self.record_id
 
+    async def get_resolved_spec(self):
+        if not hasattr(self, 'resolved_spec'):
+            await self.get_resolved_ref()
+        return self.resolved_spec
+
+    async def get_resolved_ref_url(self):
+        if not hasattr(self, 'resolved_ref_url'):
+            await self.get_resolved_ref()
+        return self.resolved_ref_url
+
     def get_repo_url(self):
         # While called repo URL, the return value of this function is passed
         # as argument to repo2docker, hence we return the spec as is.

binderhub/tests/test_repoproviders.py

@@ -99,18 +99,28 @@ async def test_figshare(spec, resolved_spec, resolved_ref, resolved_ref_url, bui
     assert spec == resolved_spec
 
 
-async def test_dataverse():
-    spec = '10.7910/DVN/TJCLKP'
-
+@pytest.mark.parametrize('spec,resolved_spec,resolved_ref,resolved_ref_url,build_slug', [
+    ['10.7910/DVN/TJCLKP',
+     '10.7910/DVN/TJCLKP',
+     '3035124.v3.0',
+     'https://doi.org/10.7910/DVN/TJCLKP',
+     'dataverse-dvn-2ftjclkp'],
+])
+async def test_dataverse(spec, resolved_spec, resolved_ref, resolved_ref_url, build_slug):
     provider = DataverseProvider(spec=spec)
+
     # have to resolve the ref first
     ref = await provider.get_resolved_ref()
-    assert ref == '3035124.v3.0'
+    assert ref == resolved_ref
 
     slug = provider.get_build_slug()
-    assert slug == 'dataverse-dvn-2ftjclkp'
+    assert slug == build_slug
     repo_url = provider.get_repo_url()
     assert repo_url == spec
+    ref_url = await provider.get_resolved_ref_url()
+    assert ref_url == resolved_ref_url
+    spec = await provider.get_resolved_spec()
+    assert spec == resolved_spec
 
 
 @pytest.mark.github_api