go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/common/tsmon/monitor/fake.go (about)

     1  // Copyright 2016 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package monitor
    16  
    17  import (
    18  	"context"
    19  
    20  	"go.chromium.org/luci/common/tsmon/types"
    21  )
    22  
    23  // Fake is a fake Monitor.
    24  type Fake struct {
    25  	CS      int
    26  	Cells   [][]types.Cell
    27  	SendErr error
    28  }
    29  
    30  // ChunkSize returns the fake value.
    31  func (m *Fake) ChunkSize() int {
    32  	return m.CS
    33  }
    34  
    35  // Send appends the cells to Cells, unless SendErr is set.
    36  func (m *Fake) Send(ctx context.Context, cells []types.Cell) error {
    37  	if m.SendErr != nil {
    38  		return m.SendErr
    39  	}
    40  	m.Cells = append(m.Cells, cells)
    41  	return nil
    42  }
    43  
    44  // Close always works.
    45  func (m *Fake) Close() error {
    46  	return nil
    47  }