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/**
*
@license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.dev/license
*/
import
*
as
child_process
from
'node:child_process'
;
import
path
from
'node:path'
;
import
{
stripVTControlCharacters
}
from
'node:util'
;
const
initialStatusRegex
=
/
R
u
n
n
i
n
g
(
\d
+
)
t
e
s
t
s
/
;
async
function
main
(
)
{
const
[
runfilesDir
,
targetName
,
...
testArgs
]
=
process
.
argv
.
slice
(
2
)
;
const
testEntrypoint
=
path
.
resolve
(
runfilesDir
,
'../'
,
targetName
)
;
const
testWorkingDir
=
path
.
resolve
(
runfilesDir
,
'_main'
)
;
const
tasks
=
[
]
;
const
progress
=
{
}
;
tasks
.
push
(
spawnTest
(
'bash'
,
[
testEntrypoint
,
...
testArgs
]
,
{
cwd
:
testWorkingDir
,
env
:
{
// Try to construct a pretty hermetic environment, as within Bazel.
PATH
:
process
.
env
.
PATH
,
E2E_SHARD_TOTAL
:
process
.
env
.
E2E_SHARD_TOTAL
,
E2E_SHARD_INDEX
:
process
.
env
.
E2E_SHARD_INDEX
,
FORCE_COLOR
:
'0'
,
// Needed by `rules_js`
BAZEL_BINDIR
:
'.'
,
// Needed to run the E2E in a different temp path.
E2E_TEMP
:
process
.
env
.
E2E_TEMP
,
// Using the `--glob` causes a bunch of issues due to path expansion in nested bash scripts.
TESTBRIDGE_TEST_ONLY
:
process
.
env
.
TESTBRIDGE_TEST_ONLY
,
}
,
}
,
(
s
)
=>
(
progress
[
0
]
=
s
)
,
)
,
)
;
const
printUpdate
=
(
)
=>
{
console
.
error
(
`----`
)
;
for
(
const
[
taskId
,
status
]
of
Object
.
entries
(
progress
)
)
{
const
durationInMin
=
(
Date
.
now
(
)
-
status
.
startTime
)
/
1000
/
60
;
console
.
error
(
`Shard #
${
taskId
}
: stage
${
status
.
state
}
| `
+
`
${
status
.
current
}
/
${
status
.
max
}
tests completed (
${
durationInMin
.
toFixed
(
2
)
}
min)`
,
)
;
}
}
;
const
progressInterval
=
setInterval
(
printUpdate
,
4000
)
;
try
{
const
outputs
=
await
Promise
.
all
(
tasks
)
;
printUpdate
(
)
;
for
(
const
[
idx
,
text
]
of
outputs
.
entries
(
)
)
{
console
.
log
(
`----------
${
idx
}
-----------`
)
;
console
.
log
(
text
)
;
}
console
.
error
(
''
)
;
console
.
error
(
'Done! Passing'
)
;
}
catch
(
e
)
{
if
(
e
instanceof
TestSpawnError
)
{
console
.
error
(
e
.
output
)
;
console
.
error
(
e
.
message
)
;
}
else
if
(
e
instanceof
Error
)
{
console
.
error
(
e
.
message
,
e
.
stack
)
;
}
else
{
console
.
error
(
e
)
;
}
console
.
error
(
'Tests failed!'
)
;
process
.
exitCode
=
1
;
}
finally
{
clearInterval
(
progressInterval
)
;
}
}
function
spawnTest
(
cmd
,
args
,
options
,
reportStatus
,
startTime
=
Date
.
now
(
)
,
testAttempts
=
2
)
{
testAttempts
-=
1
;
const
testProgressRegex
=
/
R
u
n
n
i
n
g
t
e
s
t
[
^
\(
]
+
\(
(
\d
+
)
o
f
/
g
;
return
new
Promise
(
(
resolve
,
reject
)
=>
{
let
output
=
''
;
let
state
=
'setup'
;
let
current
=
0
;
let
max
=
0
;
const
proc
=
child_process
.
spawn
(
cmd
,
args
,
{
...
options
,
stdio
:
'pipe'
}
)
;
const
syncStatus
=
(
)
=>
reportStatus
(
{
current
,
max
,
state
,
startTime
}
)
;
const
restartTest
=
(
)
=>
{
console
.
error
(
output
)
;
console
.
error
(
`Test restarted due to failure.`
)
;
resolve
(
spawnTest
(
cmd
,
args
,
options
,
reportStatus
,
startTime
,
testAttempts
)
)
;
}
;
const
onOutputChange
=
(
)
=>
{
// Extract initial status (i.e. how many tests there are in this shard)
if
(
initialStatusRegex
.
test
(
output
)
&&
state
===
'setup'
)
{
max
=
Number
(
output
.
match
(
initialStatusRegex
)
[
1
]
)
;
}
if
(
/
R
u
n
n
i
n
g
i
n
i
t
i
a
l
i
z
e
r
/
.
test
(
output
)
&&
state
===
'setup'
)
{
state
=
'initializing'
;
}
if
(
/
R
u
n
n
i
n
g
t
e
s
t
/
.
test
(
output
)
&&
state
===
'initializing'
)
{
state
=
'testing'
;
}
if
(
state
===
'testing'
)
{
const
oldLastIndex
=
testProgressRegex
.
lastIndex
;
const
newMatch
=
testProgressRegex
.
exec
(
stripVTControlCharacters
(
output
)
)
?.
[
1
]
;
// Do not advance the Regex, or more precisely, reset to index `0`.
if
(
newMatch
===
undefined
)
{
testProgressRegex
.
lastIndex
=
oldLastIndex
;
}
else
{
current
=
Number
(
newMatch
)
;
}
}
syncStatus
(
)
;
}
;
proc
.
stdout
.
on
(
'data'
,
(
data
)
=>
{
output
+=
data
;
onOutputChange
(
)
;
}
)
;
proc
.
stderr
.
on
(
'data'
,
(
data
)
=>
{
output
+=
data
;
onOutputChange
(
)
;
}
)
;
proc
.
on
(
'error'
,
(
err
)
=>
{
syncStatus
(
)
;
// If this test failed and there are test attempts remaining, re-run.
if
(
testAttempts
>
0
)
{
restartTest
(
)
;
return
;
}
reject
(
new
TestSpawnError
(
err
.
message
,
output
)
)
;
}
)
;
proc
.
on
(
'close'
,
(
code
,
signal
)
=>
{
syncStatus
(
)
;
if
(
code
===
0
&&
signal
===
null
)
{
resolve
(
output
)
;
}
else
{
if
(
testAttempts
>
0
)
{
restartTest
(
)
;
return
;
}
reject
(
new
TestSpawnError
(
`Command failed with code:
${
code
}
and signal
${
signal
}
`
,
output
)
,
)
;
}
}
)
;
// Report initial status, without knowing anything.
syncStatus
(
)
;
}
)
;
}
class
TestSpawnError
extends
Error
{
/**
@type
{
string
} */
output
;
constructor
(
message
,
output
)
{
super
(
message
)
;
this
.
output
=
output
;
}
}
try
{
main
(
)
;
}
catch
(
e
)
{
console
.
error
(
e
)
;
process
.
exitCode
=
1
;
}
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