test: simplify common/index.js

Move single or trivial and limited use things out of
common/index.js for the purpose of simplifying and reducing
common/index.js

PR-URL: https://github.com/nodejs/node/pull/56712
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

test/common/README.md

@@ -279,12 +279,6 @@ Platform check for IBMi.
 
 Platform check for Linux.
 
-### `isLinuxPPCBE`
-
-* [\<boolean>][<boolean>]
-
-Platform check for Linux on PowerPC.
-
 ### `isMacOS`
 
 * [\<boolean>][<boolean>]

test/common/index.js

@@ -1034,11 +1034,6 @@ const common = {
     return require('os').type() === 'OS400';
   },
 
-  get isLinuxPPCBE() {
-    return (process.platform === 'linux') && (process.arch === 'ppc64') &&
-           (require('os').endianness() === 'BE');
-  },
-
   get localhostIPv4() {
     if (localhostIPv4 !== null) return localhostIPv4;
 
@@ -1067,13 +1062,6 @@ const common = {
     return +process.env.NODE_COMMON_PORT || 12346;
   },
 
-  /**
-   * Returns the EOL character used by this Git checkout.
-   */
-  get checkoutEOL() {
-    return fs.readFileSync(__filename).includes('\r\n') ? '\r\n' : '\n';
-  },
-
   get isInsideDirWithUnusualChars() {
     return __dirname.includes('%') ||
            (!isWindows && __dirname.includes('\\')) ||

test/common/index.mjs

@@ -7,7 +7,6 @@ const {
   allowGlobals,
   buildType,
   canCreateSymLink,
-  checkoutEOL,
   childShouldThrowAndAbort,
   createZeroFilledFile,
   enoughTestMem,
@@ -27,7 +26,6 @@ const {
   isIBMi,
   isInsideDirWithUnusualChars,
   isLinux,
-  isLinuxPPCBE,
   isMainThread,
   isOpenBSD,
   isMacOS,
@@ -59,7 +57,6 @@ export {
   allowGlobals,
   buildType,
   canCreateSymLink,
-  checkoutEOL,
   childShouldThrowAndAbort,
   createRequire,
   createZeroFilledFile,
@@ -81,7 +78,6 @@ export {
   isIBMi,
   isInsideDirWithUnusualChars,
   isLinux,
-  isLinuxPPCBE,
   isMainThread,
   isOpenBSD,
   isMacOS,

test/parallel/test-source-map-enable.js

@@ -242,6 +242,7 @@ function nextdir() {
 
 // Persists line lengths for in-memory representation of source file.
 {
+  const checkoutEOL = fs.readFileSync(__filename).includes('\r\n') ? '\r\n' : '\n';
   const coverageDirectory = nextdir();
   spawnSync(process.execPath, [
     require.resolve('../fixtures/source-map/istanbul-throw.js'),
@@ -250,7 +251,7 @@ function nextdir() {
     'istanbul-throw.js',
     coverageDirectory
   );
-  if (common.checkoutEOL === '\r\n') {
+  if (checkoutEOL === '\r\n') {
     assert.deepStrictEqual(sourceMap.lineLengths, [1086, 31, 185, 649, 0]);
   } else {
     assert.deepStrictEqual(sourceMap.lineLengths, [1085, 30, 184, 648, 0]);

test/tick-processor/util.js

@@ -5,14 +5,21 @@ const {
   isWindows,
   isSunOS,
   isAIX,
-  isLinuxPPCBE,
   isFreeBSD,
 } = require('../common');
 
+const { endianness } = require('os');
+
+function isLinuxPPCBE() {
+  return (process.platform === 'linux') &&
+         (process.arch === 'ppc64') &&
+         (endianness() === 'BE');
+}
+
 module.exports = {
   isCPPSymbolsNotMapped: isWindows ||
                          isSunOS ||
                          isAIX ||
-                         isLinuxPPCBE ||
+                         isLinuxPPCBE() ||
                          isFreeBSD,
 };

test/wasi/test-wasi-io.js

@@ -1,14 +1,19 @@
 'use strict';
-const common = require('../common');
-const { checkoutEOL } = common;
+require('../common');
+const { readFileSync } = require('fs');
 const { testWasiPreview1 } = require('../common/wasi');
 
+const checkoutEOL = readFileSync(__filename).includes('\r\n') ? '\r\n' : '\n';
+
+// TODO(@jasnell): It's not entirely clear what this test is asserting.
+// More comments would be helpful.
+
 testWasiPreview1(['freopen'], {}, { stdout: `hello from input2.txt${checkoutEOL}` });
 testWasiPreview1(['read_file'], {}, { stdout: `hello from input.txt${checkoutEOL}` });
 testWasiPreview1(['read_file_twice'], {}, {
   stdout: `hello from input.txt${checkoutEOL}hello from input.txt${checkoutEOL}`,
 });
 // Tests that are currently unsupported on Windows.
-if (!common.isWindows) {
+if (process.platform !== 'win32') {
   testWasiPreview1(['stdin'], { input: 'hello world' }, { stdout: 'hello world' });
 }