X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/3794eb59917f309eb69dbfebbe09c8b594e712cc..ce5ad31aac392b38889fc04640fcd06474cebeb6:/services/api/test/integration/permissions_test.rb

diff --git a/services/api/test/integration/permissions_test.rb b/services/api/test/integration/permissions_test.rb
index fab51d4003..d2dce44f01 100644
--- a/services/api/test/integration/permissions_test.rb
+++ b/services/api/test/integration/permissions_test.rb
@@ -746,4 +746,53 @@ class PermissionsTest < ActionDispatch::IntegrationTest
       assert_equal expect, link1.name
     end
   end
+
+  test "creating duplicate login permission returns existing link" do
+    link1 = act_as_system_user do
+      Link.create!({
+                     link_class: "permission",
+                     tail_uuid: users(:active).uuid,
+                     head_uuid: virtual_machines(:testvm2).uuid,
+                     name: "can_login",
+                     properties: {"username": "foo1"}
+                   })
+    end
+    link2 = act_as_system_user do
+      Link.create!({
+                     link_class: "permission",
+                     tail_uuid: users(:active).uuid,
+                     head_uuid: virtual_machines(:testvm2).uuid,
+                     name: "can_login",
+                     properties: {"username": "foo2"}
+                   })
+    end
+    link3 = act_as_system_user do
+      Link.create!({
+                     link_class: "permission",
+                     tail_uuid: users(:active).uuid,
+                     head_uuid: virtual_machines(:testvm2).uuid,
+                     name: "can_read",
+                   })
+    end
+    post "/arvados/v1/links",
+         params: {
+           link: {
+             link_class: "permission",
+             tail_uuid: users(:active).uuid,
+             head_uuid: virtual_machines(:testvm2).uuid,
+             name: "can_login",
+             properties: {"username": "foo2"},
+           },
+         },
+         headers: auth(:admin)
+    assert_response :success
+    assert_equal link2.uuid, json_response["uuid"]
+    assert_equal link2.created_at.to_date, json_response["created_at"].to_date
+    assert_equal "can_login", json_response["name"]
+    assert_equal "foo2", json_response["properties"]["username"]
+    link1.reload
+    assert_equal "foo1", link1.properties["username"]
+    link2.reload
+    assert_equal "foo2", link2.properties["username"]
+  end
 end