token-server: Warmup some local caches in /_ah/warmup.

tokenserver/appengine/impl/certconfig/ca_test.go

Index: tokenserver/appengine/impl/certconfig/ca_test.go
diff --git a/tokenserver/appengine/impl/certconfig/ca_test.go b/tokenserver/appengine/impl/certconfig/ca_test.go
index ade0dc2a827816be3ee778df5ec483b3c9cea53b..abb6dbf545565cc1cb06ec5679b452a076f799b9 100644
--- a/tokenserver/appengine/impl/certconfig/ca_test.go
+++ b/tokenserver/appengine/impl/certconfig/ca_test.go
@@ -8,6 +8,8 @@ import (
 	"testing"
 	"time"
 
+	ds "github.com/luci/gae/service/datastore"
+
 	"github.com/luci/luci-go/appengine/gaetesting"
 	"github.com/luci/luci-go/common/clock/testclock"
 	"github.com/luci/luci-go/common/data/caching/proccache"
@@ -15,6 +17,26 @@ import (
 	. "github.com/smartystreets/goconvey/convey"
 )
 
+func TestListCAs(t *testing.T) {
+	Convey("ListCAs works", t, func() {
+		ctx := gaetesting.TestingContext()
+
+		// Empty.
+		cas, err := ListCAs(ctx)
+		So(err, ShouldBeNil)
+		So(len(cas), ShouldEqual, 0)
+
+		// Add some.
+		err = ds.Put(ctx, &CA{CN: "abc", Removed: true}, &CA{CN: "def"})
+		So(err, ShouldBeNil)
+		ds.GetTestable(ctx).CatchupIndexes()
+
+		cas, err = ListCAs(ctx)
+		So(err, ShouldBeNil)
+		So(cas, ShouldResemble, []string{"def"})
+	})
+}
+
 func TestCAUniqueIDToCNMapLoadStore(t *testing.T) {
 	Convey("CAUniqueIDToCNMap Load and Store works", t, func() {
 		ctx := gaetesting.TestingContext()