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node/test/node-api/test_threadsafe_function/test.js at main · fetchapi/node · GitHub
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test_threadsafe_function
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test.js
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test_threadsafe_function
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test.js
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'use strict'
;
const
common
=
require
(
'../../common'
)
;
const
assert
=
require
(
'assert'
)
;
const
binding
=
require
(
`./build/
${
common
.
buildType
}
/binding`
)
;
const
{
fork
}
=
require
(
'child_process'
)
;
const
expectedArray
=
(
function
(
arrayLength
)
{
const
result
=
[
]
;
for
(
let
index
=
0
;
index
<
arrayLength
;
index
++
)
{
result
.
push
(
arrayLength
-
1
-
index
)
;
}
return
result
;
}
)
(
binding
.
ARRAY_LENGTH
)
;
// Handle the rapid teardown test case as the child process. We unref the
// thread-safe function after we have received two values. This causes the
// process to exit and the environment cleanup handler to be invoked.
if
(
process
.
argv
[
2
]
===
'child'
)
{
let
callCount
=
0
;
binding
.
StartThread
(
(
value
)
=>
{
callCount
++
;
console
.
log
(
value
)
;
if
(
callCount
===
2
)
{
binding
.
Unref
(
)
;
}
}
,
false
/* abort */
,
true
/* launchSecondary */
,
+
process
.
argv
[
3
]
)
;
// Release the thread-safe function from the main thread so that it may be
// torn down via the environment cleanup handler.
binding
.
Release
(
)
;
return
;
}
function
testWithJSMarshaller
(
{
threadStarter
,
quitAfter
,
abort
,
maxQueueSize
,
launchSecondary
,
}
)
{
return
new
Promise
(
(
resolve
)
=>
{
const
array
=
[
]
;
binding
[
threadStarter
]
(
function
testCallback
(
value
)
{
array
.
push
(
value
)
;
if
(
array
.
length
===
quitAfter
)
{
setImmediate
(
(
)
=>
{
binding
.
StopThread
(
common
.
mustCall
(
(
)
=>
{
resolve
(
array
)
;
}
)
,
!
!
abort
)
;
}
)
;
}
}
,
!
!
abort
,
!
!
launchSecondary
,
maxQueueSize
)
;
if
(
threadStarter
===
'StartThreadNonblocking'
)
{
// Let's make this thread really busy for a short while to ensure that
// the queue fills and the thread receives a napi_queue_full.
const
start
=
Date
.
now
(
)
;
while
(
Date
.
now
(
)
-
start
<
200
)
;
}
}
)
;
}
function
testUnref
(
queueSize
)
{
return
new
Promise
(
(
resolve
,
reject
)
=>
{
let
output
=
''
;
const
child
=
fork
(
__filename
,
[
'child'
,
queueSize
]
,
{
stdio
:
[
process
.
stdin
,
'pipe'
,
process
.
stderr
,
'ipc'
]
,
}
)
;
child
.
on
(
'close'
,
(
code
)
=>
{
if
(
code
===
0
)
{
resolve
(
output
.
match
(
/
\S
+
/
g
)
)
;
}
else
{
reject
(
new
Error
(
'Child process died with code '
+
code
)
)
;
}
}
)
;
child
.
stdout
.
on
(
'data'
,
(
data
)
=>
(
output
+=
data
.
toString
(
)
)
)
;
}
)
.
then
(
(
result
)
=>
assert
.
strictEqual
(
result
.
indexOf
(
0
)
,
-
1
)
)
;
}
new
Promise
(
function
testWithoutJSMarshaller
(
resolve
)
{
let
callCount
=
0
;
binding
.
StartThreadNoNative
(
function
testCallback
(
)
{
callCount
++
;
// The default call-into-JS implementation passes no arguments.
assert
.
strictEqual
(
arguments
.
length
,
0
)
;
if
(
callCount
===
binding
.
ARRAY_LENGTH
)
{
setImmediate
(
(
)
=>
{
binding
.
StopThread
(
common
.
mustCall
(
(
)
=>
{
resolve
(
)
;
}
)
,
false
)
;
}
)
;
}
}
,
false
/* abort */
,
false
/* launchSecondary */
,
binding
.
MAX_QUEUE_SIZE
)
;
}
)
// Start the thread in blocking mode, and assert that all values are passed.
// Quit after it's done.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThread'
,
maxQueueSize
:
binding
.
MAX_QUEUE_SIZE
,
quitAfter
:
binding
.
ARRAY_LENGTH
,
}
)
)
.
then
(
(
result
)
=>
assert
.
deepStrictEqual
(
result
,
expectedArray
)
)
// Start the thread in blocking mode, and assert that all values are passed.
// Quit after it's done.
// Doesn't pass the callback js function to napi_create_threadsafe_function.
// Instead, use an alternative reference to get js function called.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThreadNoJsFunc'
,
maxQueueSize
:
binding
.
MAX_QUEUE_SIZE
,
quitAfter
:
binding
.
ARRAY_LENGTH
,
}
)
)
.
then
(
(
result
)
=>
assert
.
deepStrictEqual
(
result
,
expectedArray
)
)
// Start the thread in blocking mode with an infinite queue, and assert that all
// values are passed. Quit after it's done.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThread'
,
maxQueueSize
:
0
,
quitAfter
:
binding
.
ARRAY_LENGTH
,
}
)
)
.
then
(
(
result
)
=>
assert
.
deepStrictEqual
(
result
,
expectedArray
)
)
// Start the thread in non-blocking mode, and assert that all values are passed.
// Quit after it's done.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThreadNonblocking'
,
maxQueueSize
:
binding
.
MAX_QUEUE_SIZE
,
quitAfter
:
binding
.
ARRAY_LENGTH
,
}
)
)
.
then
(
(
result
)
=>
assert
.
deepStrictEqual
(
result
,
expectedArray
)
)
// Start the thread in blocking mode, and assert that all values are passed.
// Quit early, but let the thread finish.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThread'
,
maxQueueSize
:
binding
.
MAX_QUEUE_SIZE
,
quitAfter
:
1
,
}
)
)
.
then
(
(
result
)
=>
assert
.
deepStrictEqual
(
result
,
expectedArray
)
)
// Start the thread in blocking mode with an infinite queue, and assert that all
// values are passed. Quit early, but let the thread finish.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThread'
,
maxQueueSize
:
0
,
quitAfter
:
1
,
}
)
)
.
then
(
(
result
)
=>
assert
.
deepStrictEqual
(
result
,
expectedArray
)
)
// Start the thread in non-blocking mode, and assert that all values are passed.
// Quit early, but let the thread finish.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThreadNonblocking'
,
maxQueueSize
:
binding
.
MAX_QUEUE_SIZE
,
quitAfter
:
1
,
}
)
)
.
then
(
(
result
)
=>
assert
.
deepStrictEqual
(
result
,
expectedArray
)
)
// Start the thread in blocking mode, and assert that all values are passed.
// Quit early, but let the thread finish. Launch a secondary thread to test the
// reference counter incrementing functionality.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThread'
,
quitAfter
:
1
,
maxQueueSize
:
binding
.
MAX_QUEUE_SIZE
,
launchSecondary
:
true
,
}
)
)
.
then
(
(
result
)
=>
assert
.
deepStrictEqual
(
result
,
expectedArray
)
)
// Start the thread in non-blocking mode, and assert that all values are passed.
// Quit early, but let the thread finish. Launch a secondary thread to test the
// reference counter incrementing functionality.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThreadNonblocking'
,
quitAfter
:
1
,
maxQueueSize
:
binding
.
MAX_QUEUE_SIZE
,
launchSecondary
:
true
,
}
)
)
.
then
(
(
result
)
=>
assert
.
deepStrictEqual
(
result
,
expectedArray
)
)
// Start the thread in blocking mode, and assert that it could not finish.
// Quit early by aborting.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThread'
,
quitAfter
:
1
,
maxQueueSize
:
binding
.
MAX_QUEUE_SIZE
,
abort
:
true
,
}
)
)
.
then
(
(
result
)
=>
assert
.
strictEqual
(
result
.
indexOf
(
0
)
,
-
1
)
)
// Start the thread in blocking mode with an infinite queue, and assert that it
// could not finish. Quit early by aborting.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThread'
,
quitAfter
:
1
,
maxQueueSize
:
0
,
abort
:
true
,
}
)
)
.
then
(
(
result
)
=>
assert
.
strictEqual
(
result
.
indexOf
(
0
)
,
-
1
)
)
// Start the thread in non-blocking mode, and assert that it could not finish.
// Quit early and aborting.
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThreadNonblocking'
,
quitAfter
:
1
,
maxQueueSize
:
binding
.
MAX_QUEUE_SIZE
,
abort
:
true
,
}
)
)
.
then
(
(
result
)
=>
assert
.
strictEqual
(
result
.
indexOf
(
0
)
,
-
1
)
)
// Make sure that threadsafe function isn't stalled when we hit
// `kMaxIterationCount` in `src/node_api.cc`
.
then
(
(
)
=>
testWithJSMarshaller
(
{
threadStarter
:
'StartThreadNonblocking'
,
maxQueueSize
:
binding
.
ARRAY_LENGTH
>>>
1
,
quitAfter
:
binding
.
ARRAY_LENGTH
,
}
)
)
.
then
(
(
result
)
=>
assert
.
deepStrictEqual
(
result
,
expectedArray
)
)
// Start a child process to test rapid teardown
.
then
(
(
)
=>
testUnref
(
binding
.
MAX_QUEUE_SIZE
)
)
// Start a child process with an infinite queue to test rapid teardown
.
then
(
(
)
=>
testUnref
(
0
)
)
;
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