github.com/aacfactory/fns@v1.2.86-0.20240310083819-80d667fc0a17/cmd/generates/processes/process_test.go (about)

     1  /*
     2   * Copyright 2023 Wang Min Xiang
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   * 	http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   *
    16   */
    17  
    18  package processes_test
    19  
    20  import (
    21  	"context"
    22  	"fmt"
    23  	"github.com/aacfactory/errors"
    24  	processes2 "github.com/aacfactory/fns/cmd/generates/processes"
    25  	"testing"
    26  	"time"
    27  )
    28  
    29  type WorkUnit struct {
    30  	name  string
    31  	no    int
    32  	value int
    33  }
    34  
    35  func (unit *WorkUnit) Handle(ctx context.Context) (message interface{}, err error) {
    36  	if ctx.Err() != nil {
    37  		err = ctx.Err()
    38  		return
    39  	}
    40  	if unit.no%2 == 1 {
    41  		err = errors.ServiceError("failed")
    42  	} else {
    43  		unit.value = unit.no
    44  		message = unit.name
    45  	}
    46  	time.Sleep(1 * time.Second)
    47  	return
    48  }
    49  
    50  func TestNew(t *testing.T) {
    51  	units := make([]*WorkUnit, 0, 1)
    52  	process := processes2.New()
    53  	for i := 0; i < 10; i++ {
    54  		name := fmt.Sprintf("s%d", i)
    55  		unit := &WorkUnit{
    56  			name: name,
    57  			no:   i,
    58  		}
    59  		units = append(units, unit)
    60  		process.Add(name, unit)
    61  	}
    62  
    63  	results := process.Start(context.TODO())
    64  	go func(process *processes2.Process) {
    65  		time.Sleep(3100 * time.Millisecond)
    66  		fmt.Println("abort:", process.Abort(2*time.Second))
    67  	}(process)
    68  	for {
    69  		result, ok := <-results
    70  		if !ok {
    71  			break
    72  		}
    73  		fmt.Println("result:", result.String())
    74  	}
    75  }
    76  
    77  func TestParallelUnits(t *testing.T) {
    78  	process := processes2.New()
    79  	for i := 0; i < 2; i++ {
    80  		subs := make([]processes2.Unit, 0, 1)
    81  		for j := 0; j < 10; j++ {
    82  			unit := &WorkUnit{
    83  				name: fmt.Sprintf("s:%d:%d", i, j),
    84  				no:   i,
    85  			}
    86  			subs = append(subs, unit)
    87  		}
    88  		process.Add(fmt.Sprintf("s:%d", i), subs...)
    89  	}
    90  	results := process.Start(context.TODO())
    91  	go func(process *processes2.Process) {
    92  		time.Sleep(1100 * time.Millisecond)
    93  		fmt.Println("abort:", process.Abort(2*time.Second))
    94  	}(process)
    95  	for {
    96  		result, ok := <-results
    97  		if !ok {
    98  			break
    99  		}
   100  		fmt.Println("result:", result.String())
   101  	}
   102  }