executors/future_task_test.go at master · zhenzou/executors · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
package executors

import (
	"context"
	"errors"
	"fmt"
	"testing"

	"github.com/stretchr/testify/require"
)

func TestFutureTask_Then(t *testing.T) {
	service := NewPoolExecutorService[Person](WithMaxConcurrent(10))

	name1 := ""
	ch1 := make(chan struct{})

	name2 := ""
	ch2 := make(chan struct{})

	name3 := ""
	ch3 := make(chan struct{})

	t.Run("success then", func(t *testing.T) {
		callable := CallableFunc[Person](func(ctx context.Context) (Person, error) {
			return Person{
				Name: "future1",
			}, nil
		})
		f, err := service.Submit(callable)

		require.NoError(t, err)

		f.Then(func(val Person) error {
			name1 = val.Name
			ch1 <- struct{}{}
			return nil
		})
	})

	t.Run("catch call error", func(t *testing.T) {
		callable := CallableFunc[Person](func(ctx context.Context) (Person, error) {
			if true {
				return Person{}, errors.New("call error")
			}
			return Person{
				Name: "future2",
			}, nil
		})
		f, err := service.Submit(callable)

		require.NoError(t, err)

		f.Then(func(val Person) error {
			name2 = "test"
			ch2 <- struct{}{}
			return err
		}).Catch(func(err error) {
			name2 = err.Error()
			ch2 <- struct{}{}
		})
	})

	t.Run("catch then error", func(t *testing.T) {
		callable := CallableFunc[Person](func(ctx context.Context) (Person, error) {
			return Person{
				Name: "future2",
			}, nil
		})
		f, err := service.Submit(callable)

		require.NoError(t, err)

		f.Then(func(val Person) error {
			return fmt.Errorf("then error %s", val.Name)
		}).Catch(func(err error) {
			name3 = err.Error()
			ch3 <- struct{}{}
		})
	})

	<-ch1
	<-ch2
	<-ch3

	require.Equal(t, "future1", name1)
	require.Equal(t, "call error", name2)
	require.Equal(t, "then error future2", name3)
}

func TestFutureTask_Catch(t *testing.T) {
	service := NewPoolExecutorService[Person](WithMaxConcurrent(10))

	thenName1 := ""
	ch1 := make(chan struct{})

	thenName2 := ""
	ch2 := make(chan struct{})

	t.Run("success then", func(t *testing.T) {
		callable := CallableFunc[Person](func(ctx context.Context) (Person, error) {
			return Person{
				Name: "future1",
			}, nil
		})
		f, err := service.Submit(callable)

		require.NoError(t, err)

		f.Then(func(val Person) error {
			ch1 <- struct{}{}
			return nil
		})

		f.Catch(func(err error) {
			thenName1 = "future1"
			ch1 <- struct{}{}
		})
	})

	t.Run("error then", func(t *testing.T) {
		callable := CallableFunc[Person](func(ctx context.Context) (Person, error) {
			if true {
				return Person{}, errors.New("future2")
			}
			return Person{
				Name: "future2",
			}, nil
		})
		f, err := service.Submit(callable)

		require.NoError(t, err)

		f.Catch(func(err error) {
			thenName2 = err.Error()
			ch2 <- struct{}{}
		})
	})

	<-ch1
	<-ch2

	require.Equal(t, "", thenName1)
	require.Equal(t, "future2", thenName2)
}