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refactor common
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guybedford committed Jun 18, 2018
commit bc83382dcaf5a68a0a6f3fc21bb37a2aaec2fad8
186 changes: 119 additions & 67 deletions test/common/index.mjs
Original file line number Diff line number Diff line change
@@ -1,71 +1,123 @@
// Flags: --experimental-modules
/* eslint-disable node-core/required-modules */
import common from './index.js';

import assert from 'assert';
const {
PORT,
isMainThread,
isWindows,
isWOW64,
isAIX,
isLinuxPPCBE,
isSunOS,
isFreeBSD,
isOpenBSD,
isLinux,
isOSX,
isGlibc,
enoughTestMem,
enoughTestCpu,
rootDir,
buildType,
localIPv6Hosts,
opensslCli,
PIPE,
hasIPv6,
childShouldThrowAndAbort,
ddCommand,
spawnPwd,
spawnSyncPwd,
platformTimeout,
allowGlobals,
leakedGlobals,
mustCall,
mustCallAtLeast,
mustCallAsync,
hasMultiLocalhost,
fileExists,
skipIfEslintMissing,
canCreateSymLink,
getCallSite,
mustNotCall,
printSkipMessage,
skip,
ArrayStream,
nodeProcessAborted,
busyLoop,
isAlive,
noWarnCode,
expectWarning,
expectsError,
skipIfInspectorDisabled,
skipIf32Bits,
getArrayBufferViews,
getBufferSources,
crashOnUnhandledRejection,
getTTYfd,
runWithInvalidFD,
hijackStdout,
hijackStderr,
restoreStdout,
restoreStderr,
isCPPSymbolsNotMapped
} = common;
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It should be sufficient to just export common, right?

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We can only do this once we have named exports support for CommonJS modules.


let knownGlobals = [
Buffer,
clearImmediate,
clearInterval,
clearTimeout,
global,
process,
setImmediate,
setInterval,
setTimeout
];

if (process.env.NODE_TEST_KNOWN_GLOBALS) {
const knownFromEnv = process.env.NODE_TEST_KNOWN_GLOBALS.split(',');
allowGlobals(...knownFromEnv);
}

export function allowGlobals(...whitelist) {
knownGlobals = knownGlobals.concat(whitelist);
}

export function leakedGlobals() {
// Add possible expected globals
if (global.gc) {
knownGlobals.push(global.gc);
}

if (global.DTRACE_HTTP_SERVER_RESPONSE) {
knownGlobals.push(DTRACE_HTTP_SERVER_RESPONSE);
knownGlobals.push(DTRACE_HTTP_SERVER_REQUEST);
knownGlobals.push(DTRACE_HTTP_CLIENT_RESPONSE);
knownGlobals.push(DTRACE_HTTP_CLIENT_REQUEST);
knownGlobals.push(DTRACE_NET_STREAM_END);
knownGlobals.push(DTRACE_NET_SERVER_CONNECTION);
}

if (global.COUNTER_NET_SERVER_CONNECTION) {
knownGlobals.push(COUNTER_NET_SERVER_CONNECTION);
knownGlobals.push(COUNTER_NET_SERVER_CONNECTION_CLOSE);
knownGlobals.push(COUNTER_HTTP_SERVER_REQUEST);
knownGlobals.push(COUNTER_HTTP_SERVER_RESPONSE);
knownGlobals.push(COUNTER_HTTP_CLIENT_REQUEST);
knownGlobals.push(COUNTER_HTTP_CLIENT_RESPONSE);
}

const leaked = [];

for (const val in global) {
if (!knownGlobals.includes(global[val])) {
leaked.push(val);
}
}

if (global.__coverage__) {
return leaked.filter((varname) => !/^(?:cov_|__cov)/.test(varname));
} else {
return leaked;
}
}

process.on('exit', function() {
const leaked = leakedGlobals();
if (leaked.length > 0) {
assert.fail(`Unexpected global(s) found: ${leaked.join(', ')}`);
}
});
export {
PORT,
isMainThread,
isWindows,
isWOW64,
isAIX,
isLinuxPPCBE,
isSunOS,
isFreeBSD,
isOpenBSD,
isLinux,
isOSX,
isGlibc,
enoughTestMem,
enoughTestCpu,
rootDir,
buildType,
localIPv6Hosts,
opensslCli,
PIPE,
hasIPv6,
childShouldThrowAndAbort,
ddCommand,
spawnPwd,
spawnSyncPwd,
platformTimeout,
allowGlobals,
leakedGlobals,
mustCall,
mustCallAtLeast,
mustCallAsync,
hasMultiLocalhost,
fileExists,
skipIfEslintMissing,
canCreateSymLink,
getCallSite,
mustNotCall,
printSkipMessage,
skip,
ArrayStream,
nodeProcessAborted,
busyLoop,
isAlive,
noWarnCode,
expectWarning,
expectsError,
skipIfInspectorDisabled,
skipIf32Bits,
getArrayBufferViews,
getBufferSources,
crashOnUnhandledRejection,
getTTYfd,
runWithInvalidFD,
hijackStdout,
hijackStderr,
restoreStdout,
restoreStderr,
isCPPSymbolsNotMapped
};