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TypeScript/scripts/failed-tests.js at master · bmeck/TypeScript · GitHub
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//
@ts
-check
const
Mocha
=
require
(
"mocha"
)
;
const
path
=
require
(
"path"
)
;
const
fs
=
require
(
"fs"
)
;
const
os
=
require
(
"os"
)
;
const
failingHookRegExp
=
/
^
(
.
*
)
"
(
b
e
f
o
r
e
|
a
f
t
e
r
)
(
a
l
l
|
e
a
c
h
)
"
h
o
o
k
$
/
;
/**
* .failed-tests reporter
*
*
@typedef
{
Object
} ReporterOptions
*
@property
{
string
} [file]
*
@property
{
boolean
} [keepFailed]
*
@property
{
string|Mocha.ReporterConstructor
} [reporter]
*
@property
{
*
} [reporterOptions]
*/
class
FailedTestsReporter
extends
Mocha
.
reporters
.
Base
{
/**
*
@param
{
Mocha.Runner
} runner
*
@param
{
{ reporterOptions?: ReporterOptions }
} [options]
*/
constructor
(
runner
,
options
)
{
super
(
runner
,
options
)
;
if
(
!
runner
)
return
;
const
reporterOptions
=
this
.
reporterOptions
=
options
.
reporterOptions
||
{
}
;
if
(
reporterOptions
.
file
===
undefined
)
reporterOptions
.
file
=
".failed-tests"
;
if
(
reporterOptions
.
keepFailed
===
undefined
)
reporterOptions
.
keepFailed
=
false
;
if
(
reporterOptions
.
reporter
)
{
/**
@type
{
Mocha.ReporterConstructor
} */
let
reporter
;
if
(
typeof
reporterOptions
.
reporter
===
"function"
)
{
reporter
=
reporterOptions
.
reporter
;
}
else
if
(
Mocha
.
reporters
[
reporterOptions
.
reporter
]
)
{
reporter
=
Mocha
.
reporters
[
reporterOptions
.
reporter
]
;
}
else
{
try
{
reporter
=
require
(
reporterOptions
.
reporter
)
;
}
catch
(
_
)
{
reporter
=
require
(
path
.
resolve
(
process
.
cwd
(
)
,
reporterOptions
.
reporter
)
)
;
}
}
const
newOptions
=
Object
.
assign
(
{
}
,
options
,
{
reporterOptions
:
reporterOptions
.
reporterOptions
||
{
}
}
)
;
if
(
reporterOptions
.
reporter
===
"xunit"
)
{
newOptions
.
reporterOptions
.
output
=
"TEST-results.xml"
;
}
this
.
reporter
=
new
reporter
(
runner
,
newOptions
)
;
}
/**
@type
{
Mocha.Test[]
} */
this
.
passes
=
[
]
;
/**
@type
{
(Mocha.Test)[]
} */
this
.
failures
=
[
]
;
runner
.
on
(
"pass"
,
test
=>
this
.
passes
.
push
(
test
)
)
;
runner
.
on
(
"fail"
,
test
=>
this
.
failures
.
push
(
test
)
)
;
}
/**
*
@param
{
string
} file
*
@param
{
ReadonlyArray<Mocha.Test>
} passes
*
@param
{
ReadonlyArray<Mocha.Test | Mocha.Hook>
} failures
*
@param
{
boolean
} keepFailed
*
@param
{
(err?: NodeJS.ErrnoException) => void
} done
*/
static
writeFailures
(
file
,
passes
,
failures
,
keepFailed
,
done
)
{
const
failingTests
=
new
Set
(
fs
.
existsSync
(
file
)
?
readTests
(
)
:
undefined
)
;
const
possiblyPassingSuites
=
/**
@type
{
Set<string>
}*/
(
new
Set
(
)
)
;
// Remove tests that are now passing and track suites that are now
// possibly passing.
if
(
failingTests
.
size
>
0
&&
!
keepFailed
)
{
for
(
const
test
of
passes
)
{
failingTests
.
delete
(
test
.
fullTitle
(
)
.
trim
(
)
)
;
possiblyPassingSuites
.
add
(
test
.
parent
.
fullTitle
(
)
.
trim
(
)
)
;
}
}
// Add tests that are now failing. If a hook failed, track its
// containing suite as failing. If the suite for a test or hook was
// possibly passing then it is now definitely failing.
for
(
const
test
of
failures
)
{
const
suiteTitle
=
test
.
parent
.
fullTitle
(
)
.
trim
(
)
;
if
(
test
.
type
===
"test"
)
{
failingTests
.
add
(
test
.
fullTitle
(
)
.
trim
(
)
)
;
}
else
{
failingTests
.
add
(
suiteTitle
)
;
}
possiblyPassingSuites
.
delete
(
suiteTitle
)
;
}
// Remove all definitely passing suites.
for
(
const
suite
of
possiblyPassingSuites
)
{
failingTests
.
delete
(
suite
)
;
}
if
(
failingTests
.
size
>
0
)
{
const
failed
=
Array
.
from
(
failingTests
)
.
sort
(
)
.
join
(
os
.
EOL
)
;
fs
.
writeFile
(
file
,
failed
,
"utf8"
,
done
)
;
}
else
if
(
!
keepFailed
&&
fs
.
existsSync
(
file
)
)
{
fs
.
unlink
(
file
,
done
)
;
}
else
{
done
(
)
;
}
function
readTests
(
)
{
return
fs
.
readFileSync
(
file
,
"utf8"
)
.
split
(
/
\r
?
\n
/
g
)
.
map
(
line
=>
line
.
trim
(
)
)
.
filter
(
line
=>
line
.
length
>
0
)
;
}
}
/**
*
@param
{
number
} failures
*
@param
{
(failures: number) => void
} [fn]
*/
done
(
failures
,
fn
)
{
FailedTestsReporter
.
writeFailures
(
this
.
reporterOptions
.
file
,
this
.
passes
,
this
.
failures
,
this
.
reporterOptions
.
keepFailed
||
this
.
stats
.
tests
===
0
,
(
err
)
=>
{
const
reporter
=
this
.
reporter
;
if
(
reporter
&&
reporter
.
done
)
{
reporter
.
done
(
failures
,
fn
)
;
}
else
if
(
fn
)
{
fn
(
failures
)
;
}
if
(
err
)
console
.
error
(
err
)
;
}
)
;
}
}
module
.
exports
=
FailedTestsReporter
;
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