go.temporal.io/server@v1.23.0/common/tasks/sequential_task_queue_test.go (about)

     1  // The MIT License
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     3  // Copyright (c) 2023 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
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     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
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    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package tasks
    26  
    27  type testSequentialTaskQueue[T Task] struct {
    28  	q  chan T
    29  	id int
    30  }
    31  
    32  func newTestSequentialTaskQueue[T Task](id, capacity int) SequentialTaskQueue[T] {
    33  	return &testSequentialTaskQueue[T]{
    34  		q:  make(chan T, capacity),
    35  		id: id,
    36  	}
    37  }
    38  
    39  func (s *testSequentialTaskQueue[T]) ID() interface{} {
    40  	return s.id
    41  }
    42  
    43  func (s *testSequentialTaskQueue[T]) Add(task T) {
    44  	s.q <- task
    45  }
    46  
    47  func (s *testSequentialTaskQueue[T]) Remove() T {
    48  	select {
    49  	case t := <-s.q:
    50  		return t
    51  	default:
    52  		var emptyT T
    53  		return emptyT
    54  	}
    55  }
    56  
    57  func (s *testSequentialTaskQueue[T]) IsEmpty() bool {
    58  	return len(s.q) == 0
    59  }
    60  
    61  func (s *testSequentialTaskQueue[T]) Len() int {
    62  	return len(s.q)
    63  }