test: split path tests into multiple files

Create one file for testing each function of the path module.
Keep general error tests and tests for constant properties in
test-path.js.

PR-URL: https://github.com/nodejs/node/pull/15093
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>

1 files changed, 67 insertions, 0 deletions

diff --git a/test/parallel/test-path-relative.js b/test/parallel/test-path-relative.js
new file mode 100644
index 0000000000..bd2c3f75a5
--- /dev/null
+++ b/test/parallel/test-path-relative.js
@@ -0,0 +1,67 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+const path = require('path');
+
+const failures = [];
+
+const relativeTests = [
+  [ path.win32.relative,
+    // arguments                     result
+    [['c:/blah\\blah', 'd:/games', 'd:\\games'],
+     ['c:/aaaa/bbbb', 'c:/aaaa', '..'],
+     ['c:/aaaa/bbbb', 'c:/cccc', '..\\..\\cccc'],
+     ['c:/aaaa/bbbb', 'c:/aaaa/bbbb', ''],
+     ['c:/aaaa/bbbb', 'c:/aaaa/cccc', '..\\cccc'],
+     ['c:/aaaa/', 'c:/aaaa/cccc', 'cccc'],
+     ['c:/', 'c:\\aaaa\\bbbb', 'aaaa\\bbbb'],
+     ['c:/aaaa/bbbb', 'd:\\', 'd:\\'],
+     ['c:/AaAa/bbbb', 'c:/aaaa/bbbb', ''],
+     ['c:/aaaaa/', 'c:/aaaa/cccc', '..\\aaaa\\cccc'],
+     ['C:\\foo\\bar\\baz\\quux', 'C:\\', '..\\..\\..\\..'],
+     ['C:\\foo\\test', 'C:\\foo\\test\\bar\\package.json', 'bar\\package.json'],
+     ['C:\\foo\\bar\\baz-quux', 'C:\\foo\\bar\\baz', '..\\baz'],
+     ['C:\\foo\\bar\\baz', 'C:\\foo\\bar\\baz-quux', '..\\baz-quux'],
+     ['\\\\foo\\bar', '\\\\foo\\bar\\baz', 'baz'],
+     ['\\\\foo\\bar\\baz', '\\\\foo\\bar', '..'],
+     ['\\\\foo\\bar\\baz-quux', '\\\\foo\\bar\\baz', '..\\baz'],
+     ['\\\\foo\\bar\\baz', '\\\\foo\\bar\\baz-quux', '..\\baz-quux'],
+     ['C:\\baz-quux', 'C:\\baz', '..\\baz'],
+     ['C:\\baz', 'C:\\baz-quux', '..\\baz-quux'],
+     ['\\\\foo\\baz-quux', '\\\\foo\\baz', '..\\baz'],
+     ['\\\\foo\\baz', '\\\\foo\\baz-quux', '..\\baz-quux'],
+     ['C:\\baz', '\\\\foo\\bar\\baz', '\\\\foo\\bar\\baz'],
+     ['\\\\foo\\bar\\baz', 'C:\\baz', 'C:\\baz']
+    ]
+  ],
+  [ path.posix.relative,
+    // arguments          result
+    [['/var/lib', '/var', '..'],
+     ['/var/lib', '/bin', '../../bin'],
+     ['/var/lib', '/var/lib', ''],
+     ['/var/lib', '/var/apache', '../apache'],
+     ['/var/', '/var/lib', 'lib'],
+     ['/', '/var/lib', 'var/lib'],
+     ['/foo/test', '/foo/test/bar/package.json', 'bar/package.json'],
+     ['/Users/a/web/b/test/mails', '/Users/a/web/b', '../..'],
+     ['/foo/bar/baz-quux', '/foo/bar/baz', '../baz'],
+     ['/foo/bar/baz', '/foo/bar/baz-quux', '../baz-quux'],
+     ['/baz-quux', '/baz', '../baz'],
+     ['/baz', '/baz-quux', '../baz-quux']
+    ]
+  ]
+];
+relativeTests.forEach((test) => {
+  const relative = test[0];
+  test[1].forEach((test) => {
+    const actual = relative(test[0], test[1]);
+    const expected = test[2];
+    const os = relative === path.win32.relative ? 'win32' : 'posix';
+    const message = `path.${os}.relative(${
+      test.slice(0, 2).map(JSON.stringify).join(',')})\n  expect=${
+      JSON.stringify(expected)}\n  actual=${JSON.stringify(actual)}`;
+    if (actual !== expected)
+      failures.push(`\n${message}`);
+  });
+});
+assert.strictEqual(failures.length, 0, failures.join(''));