github.com/go-kivik/kivik/v4@v4.3.2/int/mock/changes.go (about)

     1  // Licensed under the Apache License, Version 2.0 (the "License"); you may not
     2  // use this file except in compliance with the License. You may obtain a copy of
     3  // the License at
     4  //
     5  //  http://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
     9  // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
    10  // License for the specific language governing permissions and limitations under
    11  // the License.
    12  
    13  package mock
    14  
    15  import (
    16  	"io"
    17  
    18  	"github.com/go-kivik/kivik/v4/driver"
    19  )
    20  
    21  // Changes mocks driver.Changes
    22  type Changes struct {
    23  	NextFunc    func(*driver.Change) error
    24  	CloseFunc   func() error
    25  	LastSeqFunc func() string
    26  	PendingFunc func() int64
    27  	ETagFunc    func() string
    28  }
    29  
    30  var _ driver.Changes = &Changes{}
    31  
    32  // Next calls c.NextFunc
    33  func (c *Changes) Next(change *driver.Change) error {
    34  	if c.NextFunc == nil {
    35  		return io.EOF
    36  	}
    37  	return c.NextFunc(change)
    38  }
    39  
    40  // Close calls c.CloseFunc
    41  func (c *Changes) Close() error {
    42  	if c.CloseFunc == nil {
    43  		return nil
    44  	}
    45  	return c.CloseFunc()
    46  }
    47  
    48  // LastSeq calls c.LastSeqFunc
    49  func (c *Changes) LastSeq() string {
    50  	if c.LastSeqFunc != nil {
    51  		return c.LastSeqFunc()
    52  	}
    53  	return ""
    54  }
    55  
    56  // Pending calls c.PendingFunc
    57  func (c *Changes) Pending() int64 {
    58  	if c.PendingFunc != nil {
    59  		return c.PendingFunc()
    60  	}
    61  	return 0
    62  }
    63  
    64  // ETag calls c.ETagFunc
    65  func (c *Changes) ETag() string {
    66  	return c.ETagFunc()
    67  }