// NewEmpire returns a new Empire instance suitable for testing. It ensures that
// the database is clean before returning.
func NewEmpire(t testing.TB) *empire.Empire {
db, err := empire.OpenDB(DatabaseURL)
if err != nil {
t.Fatal(err)
}
if err := db.MigrateUp(); err != nil {
t.Fatal(err)
}
// Log queries if verbose mode is set.
if testing.Verbose() {
db.Debug()
}
e := empire.New(db)
e.Scheduler = scheduler.NewFakeScheduler()
e.ProcfileExtractor = ExtractProcfile(nil)
e.RunRecorder = empire.RecordTo(ioutil.Discard)
if err := e.Reset(); err != nil {
t.Fatal(err)
}
return e
}
func TestEmpire_Deploy_Concurrent(t *testing.T) {
e := empiretest.NewEmpire(t)
s := new(mockScheduler)
e.Scheduler = scheduler.NewFakeScheduler()
e.ExtractProcfile = func(ctx context.Context, img image.Image, w io.Writer) (procfile.Procfile, error) {
return nil, nil
}
user := &empire.User{Name: "ejholmes"}
// Create the first release for this app.
r, err := e.Deploy(context.Background(), empire.DeploymentsCreateOpts{
User: user,
Output: ioutil.Discard,
Image: image.Image{Repository: "remind101/acme-inc"},
})
assert.NoError(t, err)
assert.Equal(t, 1, r.Version)
// We'll use the procfile extractor to synchronize two concurrent
// deployments.
v2Started, v3Started := make(chan struct{}), make(chan struct{})
e.ExtractProcfile = func(ctx context.Context, img image.Image, w io.Writer) (procfile.Procfile, error) {
switch img.Tag {
case "v2":
close(v2Started)
<-v3Started
case "v3":
close(v3Started)
}
return nil, nil
}
v2Done := make(chan struct{})
go func() {
r, err = e.Deploy(context.Background(), empire.DeploymentsCreateOpts{
User: user,
Output: ioutil.Discard,
Image: image.Image{Repository: "remind101/acme-inc", Tag: "v2"},
})
assert.NoError(t, err)
assert.Equal(t, 2, r.Version)
close(v2Done)
}()
<-v2Started
r, err = e.Deploy(context.Background(), empire.DeploymentsCreateOpts{
User: user,
Output: ioutil.Discard,
Image: image.Image{Repository: "remind101/acme-inc", Tag: "v3"},
})
assert.NoError(t, err)
assert.Equal(t, 3, r.Version)
<-v2Done
s.AssertExpectations(t)
}
// NewEmpire returns a new Empire instance suitable for testing. It ensures that
// the database is clean before returning.
func NewEmpire(t testing.TB) *empire.Empire {
db, err := empire.OpenDB(DatabaseURL)
if err != nil {
t.Fatal(err)
}
// TODO: Run db.MigrateUp once migrations are in the binary.
// Log queries if verbose mode is set.
if testing.Verbose() {
db.Debug()
}
e := empire.New(db, empire.DefaultOptions)
e.Scheduler = scheduler.NewFakeScheduler()
e.ExtractProcfile = ExtractProcfile
if err := e.Reset(); err != nil {
t.Fatal(err)
}
return e
}