github.com/google/cadvisor@v0.49.1/container/containerd/client_test.go (about)

     1  // Copyright 2017 Google Inc. All Rights Reserved.
     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 containerd
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  
    21  	"github.com/google/cadvisor/container/containerd/containers"
    22  )
    23  
    24  type containerdClientMock struct {
    25  	cntrs     map[string]*containers.Container
    26  	returnErr error
    27  }
    28  
    29  func (c *containerdClientMock) LoadContainer(ctx context.Context, id string) (*containers.Container, error) {
    30  	if c.returnErr != nil {
    31  		return nil, c.returnErr
    32  	}
    33  	cntr, ok := c.cntrs[id]
    34  	if !ok {
    35  		return nil, fmt.Errorf("unable to find container %q", id)
    36  	}
    37  	return cntr, nil
    38  }
    39  
    40  func (c *containerdClientMock) Version(ctx context.Context) (string, error) {
    41  	return "test-v0.0.0", nil
    42  }
    43  
    44  func (c *containerdClientMock) TaskPid(ctx context.Context, id string) (uint32, error) {
    45  	return 2389, nil
    46  }
    47  
    48  func mockcontainerdClient(cntrs map[string]*containers.Container, returnErr error) ContainerdClient {
    49  	return &containerdClientMock{
    50  		cntrs:     cntrs,
    51  		returnErr: returnErr,
    52  	}
    53  }