github.com/uber/kraken@v0.1.4/build-index/tagclient/testing.go (about)

     1  // Copyright (c) 2016-2019 Uber Technologies, Inc.
     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  package tagclient
    15  
    16  import "log"
    17  
    18  // TestProvider is a testing utility for mapping addresses to mock clients.
    19  type TestProvider struct {
    20  	clients map[string]Client
    21  }
    22  
    23  // NewTestProvider creates a new TestProvider.
    24  func NewTestProvider() *TestProvider {
    25  	return &TestProvider{make(map[string]Client)}
    26  }
    27  
    28  // Register sets c as the client of addr.
    29  func (p *TestProvider) Register(addr string, c Client) {
    30  	p.clients[addr] = c
    31  }
    32  
    33  // Provide selects the registered client of addr.
    34  func (p *TestProvider) Provide(addr string) Client {
    35  	c, ok := p.clients[addr]
    36  	if !ok {
    37  		log.Panicf("addr %s not found", addr)
    38  	}
    39  	return c
    40  }