Initial distributor implementation

appengine/cmd/dm/mutate/schedule_execution_test.go

 // Copyright 2015 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package mutate
 
 import (
+        "fmt"
         "testing"
+        "time"
 
-        "github.com/luci/gae/impl/memory"
+        . "github.com/smartystreets/goconvey/convey"
+
+        "github.com/luci/gae/service/datastore"
+        "github.com/luci/luci-go/appengine/cmd/dm/distributor/fake"
+        "github.com/luci/luci-go/appengine/cmd/dm/model"
         "github.com/luci/luci-go/common/api/dm/service/v1"
-        . "github.com/smartystreets/goconvey/convey"
-        "golang.org/x/net/context"
+        "github.com/luci/luci-go/common/errors"
+        . "github.com/luci/luci-go/common/testing/assertions"
 )
 
 func TestScheduleExecution(t *testing.T) {
         t.Parallel()
 
         Convey("ScheduleExecution", t, func() {
-                c := memory.Use(context.Background())
-                se := &ScheduleExecution{dm.NewAttemptID("quest", 1)}
+                _, c, dist, _ := fake.Setup(FinishExecutionFn)
+
+                qdesc := fake.QuestDesc("quest")
+                qid := qdesc.QuestID()
+                se := &ScheduleExecution{dm.NewAttemptID(qid, 1)}
 
                 Convey("Root", func() {
-                        So(se.Root(c).String(), ShouldEqual, `dev~app::/Attempt,"quest|fffffffe"`)
+                        So(se.Root(c).String(), ShouldEqual, fmt.Sprintf(`dev~app::/Attempt,"%s|fffffffe"`, qid))
                 })
 
                 Convey("RollForward", func() {
-                        muts, err := se.RollForward(c)
-                        So(err, ShouldBeNil)
-                        So(muts, ShouldBeNil)
+                        ds := datastore.Get(c)
+                        q := &model.Quest{ID: qid, Desc: *qdesc}
+                        a := &model.Attempt{
+                                ID:    *se.For,
+                                State: dm.Attempt_SCHEDULING,
+                        }
+                        e := model.ExecutionFromID(c, dm.NewExecutionID(qid, 1, 1))
+                        So(ds.Put(q, a), ShouldBeNil)
+
+                        Convey("basic", func() {
+                                dist.TimeToStart = time.Minute * 5
+
+                                muts, err := se.RollForward(c)
+                                So(err, ShouldBeNil)
+                                So(muts, ShouldBeNil)
+
+                                So(ds.Get(a, e), ShouldBeNil)
+                                Convey("distributor information is saved", func() {
+                                        tok := fake.MkToken(dm.NewExecutionID(qid, 1, 1))
+
+                                        So(a.State, ShouldEqual, dm.Attempt_EXECUTING)
+                                        So(e.State, ShouldEqual, dm.Execution_SCHEDULING)
+                                        So(e.DistributorConfigName, ShouldEqual, "fakeDistributor")
+                                        So(e.DistributorToken, ShouldEqual, tok)
+                                        So(e.DistributorConfigVersion, ShouldEqual, "testing")
+                                        So(e.TimeToStart, ShouldEqual, time.Minute*5)
+                                })
+                                Convey("a timeout is set", func() {
+                                        ex, err := ds.Exists(ds.MakeKey(
+                                                "Attempt", a.ID.DMEncoded(),
+                                                "Execution", 1,
+                                                "tumble.Mutation", "n:timeout"))
+                                        So(err, ShouldBeNil)
+                                        So(ex.All(), ShouldBeTrue)
+                                })
+                        })
+
+                        Convey("transient", func() {
+                                dist.RunError = errors.WrapTransient(errors.New("transient failure"))
+
+                                muts, err := se.RollForward(c)
+                                So(err, ShouldErrLike, "transient")
+                                So(muts, ShouldBeNil)
+                        })
+
+                        Convey("rejection", func() {
+                                dist.RunError = errors.New("no soup for you")
+
+                                muts, err := se.RollForward(c)
+                                So(err, ShouldBeNil)
+                                So(muts, ShouldBeNil)
+
+                                So(ds.Get(a, e), ShouldBeNil)
+                                So(a.State, ShouldEqual, dm.Attempt_ABNORMAL_FINISHED)
+                                So(a.AbnormalFinish.Status, ShouldEqual, dm.AbnormalFinish_REJECTED)
+                                So(a.AbnormalFinish.Reason, ShouldContainSubstring, "non-transient")
+
+                                So(e.State, ShouldEqual, dm.Execution_ABNORMAL_FINISHED)
+                                So(e.AbnormalFinish.Status, ShouldEqual, dm.AbnormalFinish_REJECTED)
+                                So(e.AbnormalFinish.Reason, ShouldContainSubstring, "non-transient")
+                        })
+
                 })
         })
 }