[som] Add revision range exapansion.

go/src/infra/appengine/sheriff-o-matic/main_test.go

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package som
 
 import (
         "crypto/sha1"
         "fmt"
         "io/ioutil"
         "net/http"
         "net/http/httptest"
         "strings"
         "testing"
         "time"
 
         "github.com/julienschmidt/httprouter"
 
         "github.com/luci/gae/service/datastore"
+        "github.com/luci/gae/service/urlfetch"
         "github.com/luci/luci-go/appengine/gaetesting"
         "github.com/luci/luci-go/common/clock"
         "github.com/luci/luci-go/common/clock/testclock"
         "github.com/luci/luci-go/server/auth"
         "github.com/luci/luci-go/server/auth/authtest"
         "golang.org/x/net/context"
 
         . "github.com/smartystreets/goconvey/convey"
 )
 
@@ skipping 324 matching lines @@
                                 So(err, ShouldBeNil)
 
                                 So(ds.Get(tree), ShouldBeNil)
                                 So(tree.DisplayName, ShouldEqual, "Oak")
                                 So(tree.AlertStreams, ShouldResemble, []string{"thing"})
                         })
 
                 })
         })
 }
+
+func TestRevRangeHandler(t *testing.T) {
+        t.Parallel()
+
+        Convey("get rev range", t, func() {
+                Convey("ok", func() {
+                        c := gaetesting.TestingContext()
+                        w := httptest.NewRecorder()
+                        c = urlfetch.Set(c, http.DefaultTransport)
+
+                        getRevRangeHandler(c, w, makeGetRequest(),
+                                makeParams("start", "123", "end", "456"))
+
+                        So(w.Code, ShouldEqual, 301)
+                })
+                Convey("bad request", func() {
+                        c := gaetesting.TestingContext()
+                        w := httptest.NewRecorder()
+                        c = urlfetch.Set(c, http.DefaultTransport)
+
+                        getRevRangeHandler(c, w, makeGetRequest(), nil)
+
+                        So(w.Code, ShouldEqual, 400)
+                })
+        })
+}