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package
processor
import
(
"context"
"encoding/json"
"os"
"sync"
"testing"
"time"
"github.com/DoNewsCode/core"
"github.com/DoNewsCode/core/di"
"github.com/DoNewsCode/core/otkafka"
"github.com/pkg/errors"
"github.com/segmentio/kafka-go"
"github.com/stretchr/testify/assert"
)
type
testData
struct
{
ID
int
`json:"id"`
}
type
testHandlerA
struct
{
data
chan
*
testData
}
func
(
h
*
testHandlerA
)
Info
()
*
Info
{
return
&
Info
{
Name
:
"A"
,
BatchSize
:
3
,
ReadWorker
:
2
,
BatchWorker
:
2
,
}
}
func
(
h
*
testHandlerA
)
Handle
(
_
context.
Context
,
msg
*
kafka.
Message
) (
interface
{},
error
) {
e
:=
&
testData
{}
if
err
:=
json
.
Unmarshal
(
msg
.
Value
,
&
e
);
err
!=
nil
{
return
nil
,
err
}
return
e
,
nil
}
func
(
h
*
testHandlerA
)
Batch
(
_
context.
Context
,
data
[]
interface
{})
error
{
for
_
,
e
:=
range
data
{
h
.
data
<-
e
.(
*
testData
)
}
return
nil
}
type
testHandlerB
struct
{
data
chan
*
testData
}
func
(
h
*
testHandlerB
)
Info
()
*
Info
{
return
&
Info
{
Name
:
"B"
,
BatchSize
:
3
,
}
}
func
(
h
*
testHandlerB
)
Handle
(
_
context.
Context
,
msg
*
kafka.
Message
) (
interface
{},
error
) {
e
:=
&
testData
{}
if
err
:=
json
.
Unmarshal
(
msg
.
Value
,
&
e
);
err
!=
nil
{
return
nil
,
err
}
return
e
,
nil
}
func
(
h
*
testHandlerB
)
Batch
(
_
context.
Context
,
data
[]
interface
{})
error
{
for
_
,
e
:=
range
data
{
h
.
data
<-
e
.(
*
testData
)
}
return
nil
}
type
testHandlerC
struct
{
data
chan
*
testData
}
func
(
h
*
testHandlerC
)
Info
()
*
Info
{
return
&
Info
{
Name
:
"C"
,
BatchSize
:
3
,
}
}
func
(
h
*
testHandlerC
)
Handle
(
_
context.
Context
,
msg
*
kafka.
Message
) (
interface
{},
error
) {
e
:=
&
testData
{}
if
err
:=
json
.
Unmarshal
(
msg
.
Value
,
&
e
);
err
!=
nil
{
return
nil
,
err
}
h
.
data
<-
e
return
nil
,
nil
}
type
testHandlerD
struct
{
data
chan
*
testData
}
func
(
h
*
testHandlerD
)
Info
()
*
Info
{
return
&
Info
{
Name
:
"D"
,
BatchSize
:
3
,
}
}
func
(
h
*
testHandlerD
)
Handle
(
_
context.
Context
,
msg
*
kafka.
Message
) (
interface
{},
error
) {
e
:=
&
testData
{}
if
err
:=
json
.
Unmarshal
(
msg
.
Value
,
&
e
);
err
!=
nil
{
return
nil
,
err
}
h
.
data
<-
e
return
nil
,
nil
}
type
testHandlerE
struct
{
data
chan
*
testData
}
func
(
h
*
testHandlerE
)
Info
()
*
Info
{
return
&
Info
{
Name
:
"default"
,
BatchSize
:
3
,
AutoBatchInterval
:
1
*
time
.
Second
,
}
}
func
(
h
*
testHandlerE
)
Handle
(
_
context.
Context
,
msg
*
kafka.
Message
) (
interface
{},
error
) {
e
:=
&
testData
{}
if
err
:=
json
.
Unmarshal
(
msg
.
Value
,
&
e
);
err
!=
nil
{
return
nil
,
err
}
return
e
,
nil
}
func
(
h
*
testHandlerE
)
Batch
(
_
context.
Context
,
data
[]
interface
{})
error
{
for
_
,
e
:=
range
data
{
h
.
data
<-
e
.(
*
testData
)
}
return
nil
}
type
testHandlerF
struct
{
data
chan
*
testData
}
func
(
h
*
testHandlerF
)
Info
()
*
Info
{
return
&
Info
{
Name
:
"default"
,
BatchSize
:
3
,
}
}
func
(
h
*
testHandlerF
)
Handle
(
_
context.
Context
,
msg
*
kafka.
Message
) (
interface
{},
error
) {
e
:=
&
testData
{}
if
err
:=
json
.
Unmarshal
(
msg
.
Value
,
&
e
);
err
!=
nil
{
return
nil
,
err
}
return
e
,
nil
}
func
(
h
*
testHandlerF
)
Batch
(
_
context.
Context
,
_
[]
interface
{})
error
{
return
NewFatalErr
(
errors
.
New
(
"test error"
))
}
func
TestProcessor
(
t
*
testing.
T
) {
t
.
Parallel
()
if
os
.
Getenv
(
"KAFKA_ADDR"
)
==
""
{
t
.
Skip
()
}
c
:=
core
.
New
(
core
.
WithInline
(
"kafka.reader.A.brokers"
,
envDefaultKafkaAddrs
),
core
.
WithInline
(
"kafka.reader.A.topic"
,
testTopic
),
core
.
WithInline
(
"kafka.reader.A.groupID"
,
"testA"
),
core
.
WithInline
(
"kafka.reader.A.startOffset"
,
kafka
.
FirstOffset
),
core
.
WithInline
(
"kafka.reader.B.brokers"
,
envDefaultKafkaAddrs
),
core
.
WithInline
(
"kafka.reader.B.topic"
,
testTopic
),
core
.
WithInline
(
"kafka.reader.B.groupID"
,
"testB"
),
core
.
WithInline
(
"kafka.reader.B.startOffset"
,
kafka
.
FirstOffset
),
core
.
WithInline
(
"kafka.reader.C.brokers"
,
envDefaultKafkaAddrs
),
core
.
WithInline
(
"kafka.reader.C.topic"
,
testTopic
),
core
.
WithInline
(
"kafka.reader.C.groupID"
,
"testC"
),
core
.
WithInline
(
"kafka.reader.C.startOffset"
,
kafka
.
FirstOffset
),
core
.
WithInline
(
"kafka.reader.D.brokers"
,
envDefaultKafkaAddrs
),
core
.
WithInline
(
"kafka.reader.D.topic"
,
testTopic
),
core
.
WithInline
(
"kafka.reader.D.groupID"
,
"testD"
),
core
.
WithInline
(
"kafka.reader.D.startOffset"
,
kafka
.
FirstOffset
),
core
.
WithInline
(
"http.disable"
,
"true"
),
core
.
WithInline
(
"grpc.disable"
,
"true"
),
core
.
WithInline
(
"cron.disable"
,
"true"
),
core
.
WithInline
(
"log.level"
,
"none"
),
)
defer
c
.
Shutdown
()
c
.
ProvideEssentials
()
c
.
Provide
(
otkafka
.
Providers
())
handlerA
:=
&
testHandlerA
{
make
(
chan
*
testData
,
100
)}
handlerB
:=
&
testHandlerB
{
make
(
chan
*
testData
,
100
)}
handlerC
:=
&
testHandlerC
{
make
(
chan
*
testData
,
100
)}
handlerD
:=
&
testHandlerD
{
make
(
chan
*
testData
,
100
)}
defer
func
() {
close
(
handlerA
.
data
)
close
(
handlerB
.
data
)
close
(
handlerC
.
data
)
close
(
handlerD
.
data
)
}()
c
.
Provide
(di.
Deps
{
func
()
Out
{
return
NewOut
(
handlerA
,
handlerB
,
handlerC
,
handlerD
,
)
},
})
c
.
AddModuleFunc
(
New
)
ctx
,
cancel
:=
context
.
WithTimeout
(
context
.
Background
(),
10
*
time
.
Second
)
defer
cancel
()
err
:=
c
.
Serve
(
ctx
)
if
err
!=
nil
{
t
.
Fatal
(
err
)
}
if
assert
.
NotZero
(
t
,
len
(
handlerA
.
data
)) {
assert
.
Equal
(
t
,
0
,
len
(
handlerA
.
data
)
%
3
)
}
if
assert
.
NotZero
(
t
,
len
(
handlerB
.
data
)) {
assert
.
Equal
(
t
,
0
,
len
(
handlerB
.
data
)
%
3
)
}
assert
.
Equal
(
t
,
4
,
len
(
handlerC
.
data
))
assert
.
Equal
(
t
,
4
,
len
(
handlerD
.
data
))
}
func
TestProcessorBatchInterval
(
t
*
testing.
T
) {
t
.
Parallel
()
if
os
.
Getenv
(
"KAFKA_ADDR"
)
==
""
{
t
.
Skip
()
}
c
:=
core
.
New
(
core
.
WithInline
(
"kafka.reader.default.brokers"
,
envDefaultKafkaAddrs
),
core
.
WithInline
(
"kafka.reader.default.topic"
,
testTopic
),
core
.
WithInline
(
"kafka.reader.default.groupID"
,
"testE"
),
core
.
WithInline
(
"kafka.reader.default.startOffset"
,
kafka
.
FirstOffset
),
core
.
WithInline
(
"http.disable"
,
"true"
),
core
.
WithInline
(
"grpc.disable"
,
"true"
),
core
.
WithInline
(
"cron.disable"
,
"true"
),
core
.
WithInline
(
"log.level"
,
"none"
),
)
defer
c
.
Shutdown
()
c
.
ProvideEssentials
()
c
.
Provide
(
otkafka
.
Providers
())
handler
:=
&
testHandlerE
{
make
(
chan
*
testData
,
100
)}
defer
func
() {
close
(
handler
.
data
)
}()
c
.
Provide
(di.
Deps
{
func
()
Out
{
return
NewOut
(
handler
,
)
},
})
c
.
AddModuleFunc
(
New
)
ctx
,
cancel
:=
context
.
WithTimeout
(
context
.
Background
(),
10
*
time
.
Second
)
defer
cancel
()
g
:=
sync.
WaitGroup
{}
g
.
Add
(
1
)
go
func
() {
err
:=
c
.
Serve
(
ctx
)
if
err
!=
nil
{
t
.
Error
(
err
)
}
g
.
Done
()
}()
g
.
Add
(
1
)
var
count
=
0
go
func
() {
defer
g
.
Done
()
for
{
select
{
case
<-
ctx
.
Done
():
return
case
<-
handler
.
data
:
count
++
if
count
>=
4
{
return
}
}
}
}()
g
.
Wait
()
assert
.
Equal
(
t
,
4
,
count
)
}
func
TestProcessorBatchError
(
t
*
testing.
T
) {
t
.
Parallel
()
if
os
.
Getenv
(
"KAFKA_ADDR"
)
==
""
{
t
.
Skip
()
}
c
:=
core
.
New
(
core
.
WithInline
(
"kafka.reader.default.brokers"
,
envDefaultKafkaAddrs
),
core
.
WithInline
(
"kafka.reader.default.topic"
,
testTopic
),
core
.
WithInline
(
"kafka.reader.default.groupID"
,
"testF"
),
core
.
WithInline
(
"kafka.reader.default.startOffset"
,
kafka
.
FirstOffset
),
core
.
WithInline
(
"http.disable"
,
"true"
),
core
.
WithInline
(
"grpc.disable"
,
"true"
),
core
.
WithInline
(
"cron.disable"
,
"true"
),
core
.
WithInline
(
"log.level"
,
"none"
),
)
defer
c
.
Shutdown
()
c
.
ProvideEssentials
()
c
.
Provide
(
otkafka
.
Providers
())
handler
:=
&
testHandlerF
{
make
(
chan
*
testData
,
100
)}
defer
func
() {
close
(
handler
.
data
)
}()
c
.
Provide
(di.
Deps
{
func
()
Out
{
return
NewOut
(
handler
,
)
},
})
c
.
AddModuleFunc
(
New
)
ctx
,
cancel
:=
context
.
WithTimeout
(
context
.
Background
(),
10
*
time
.
Second
)
defer
cancel
()
err
:=
c
.
Serve
(
ctx
)
if
assert
.
Error
(
t
,
err
) {
assert
.
Equal
(
t
,
"test error"
,
err
.
Error
())
}
}
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