/
writer_option_test.go
119 lines (112 loc) · 2.87 KB
/
writer_option_test.go
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// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package managedwriter
import (
"sync"
"testing"
"github.com/google/go-cmp/cmp"
)
func TestWriterOptions(t *testing.T) {
testCases := []struct {
desc string
options []WriterOption
want *ManagedStream
}{
{
desc: "WithType",
options: []WriterOption{WithType(BufferedStream)},
want: func() *ManagedStream {
ms := &ManagedStream{
streamSettings: defaultStreamSettings(),
}
ms.streamSettings.streamType = BufferedStream
return ms
}(),
},
{
desc: "WithMaxInflightRequests",
options: []WriterOption{WithMaxInflightRequests(2)},
want: func() *ManagedStream {
ms := &ManagedStream{
streamSettings: defaultStreamSettings(),
}
ms.streamSettings.MaxInflightRequests = 2
return ms
}(),
},
{
desc: "WithMaxInflightBytes",
options: []WriterOption{WithMaxInflightBytes(5)},
want: func() *ManagedStream {
ms := &ManagedStream{
streamSettings: defaultStreamSettings(),
}
ms.streamSettings.MaxInflightBytes = 5
return ms
}(),
},
{
desc: "WithTracePrefix",
options: []WriterOption{WithTraceID("foo")},
want: func() *ManagedStream {
ms := &ManagedStream{
streamSettings: defaultStreamSettings(),
}
ms.streamSettings.TraceID = "foo"
return ms
}(),
},
{
desc: "WithDestinationTable",
options: []WriterOption{WithDestinationTable("foo")},
want: func() *ManagedStream {
ms := &ManagedStream{
streamSettings: defaultStreamSettings(),
destinationTable: "foo",
}
return ms
}(),
},
{
desc: "multiple",
options: []WriterOption{
WithType(PendingStream),
WithMaxInflightBytes(5),
WithTraceID("id"),
},
want: func() *ManagedStream {
ms := &ManagedStream{
streamSettings: defaultStreamSettings(),
}
ms.streamSettings.MaxInflightBytes = 5
ms.streamSettings.streamType = PendingStream
ms.streamSettings.TraceID = "id"
return ms
}(),
},
}
for _, tc := range testCases {
got := &ManagedStream{
streamSettings: defaultStreamSettings(),
}
for _, o := range tc.options {
o(got)
}
if diff := cmp.Diff(got, tc.want,
cmp.AllowUnexported(ManagedStream{}, streamSettings{}),
cmp.AllowUnexported(sync.Mutex{})); diff != "" {
t.Errorf("diff in case (%s):\n%v", tc.desc, diff)
}
}
}