tests ~ expand and tighten unit test specs

rivy · Dec 28, 2020 · de4a53a · de4a53a
1 parent 22beeb8
commit de4a53a
Showing 1 changed file with 85 additions and 12 deletions.
diff --git a/test/unit.test.js b/test/unit.test.js
@@ -1,13 +1,16 @@
 /* eslint-env es6, node */
-// # spell-checker:ignore UserProfile
+// # spell-checker:ignore HomeDrive HomePath LocalAppData UserProfile windir
 'use strict';
 
 const os = require('os');
+const path = require('path');
 
 const test = require('ava');
 
 const osPaths = require('../build/cjs+tests');
 
+const isWinOS = /^win/i.test(process.platform);
+
 /* eslint-disable functional/immutable-data */
 
 test('default', (t) => {
@@ -16,27 +19,25 @@ test('default', (t) => {
 	process.env.HOME = process.env.USERPROFILE = 'home';
 	process.env.TEMP = process.env.TMP = process.env.TMPDIR = 'temp';
 
-	Object.keys(paths).forEach((key) => {
-		const value = paths[key];
-		t.log(key, '=', value, '() =>', value());
-		const values = [].concat(value()); // # convert value (single value or array) to a flat array
-		t.true(
-			values.reduce((a, v) => a && v === key, true),
-			true
-		);
-	});
+	t.is(paths.home(), 'home');
+	t.is(paths.temp(), 'temp');
 });
 
 test('alternate construction (via function)', (t) => {
 	const paths = osPaths();
+
 	process.env.HOME = process.env.USERPROFILE = 'home';
+	process.env.TEMP = process.env.TMP = process.env.TMPDIR = 'temp';
+
 	t.is(paths.home(), 'home');
+	t.is(paths.temp(), 'temp');
 });
 
 test('no os.homedir/os.tmpdir', (t) => {
 	os.homedir = os.tmpdir = null;
 
-	const paths = osPaths();
+	const paths = osPaths;
+
 	process.env.HOME = process.env.USERPROFILE = 'home';
 	process.env.TEMP = process.env.TMP = process.env.TMPDIR = 'temp';
 
@@ -47,12 +48,84 @@ test('no os.homedir/os.tmpdir', (t) => {
 test('no os.homedir/os.tmpdir and trailing slash in environment source', (t) => {
 	os.homedir = os.tmpdir = null;
 
-	const paths = osPaths();
+	const paths = osPaths;
+
 	process.env.HOME = process.env.USERPROFILE = 'home/';
 	process.env.TEMP = process.env.TMP = process.env.TMPDIR = 'temp/';
 
 	t.is(paths.home(), 'home');
 	t.is(paths.temp(), 'temp');
 });
 
+test('no os.homedir or environment', (t) => {
+	os.homedir = null;
+
+	const paths = osPaths;
+
+	delete process.env.HOME;
+	delete process.env.HOMEDRIVE;
+	delete process.env.HOMEPATH;
+	delete process.env.USERPROFILE;
+
+	t.is(paths.home(), '');
+	process.env.HOME = process.env.HOMEDRIVE = process.env.HOMEPATH = process.env.USERPROFILE = '';
+	t.is(paths.home(), '');
+});
+
+test('os.homedir/os.tmpdir return `null`', (t) => {
+	os.homedir = os.tmpdir = () => null;
+
+	const paths = osPaths;
+
+	process.env.HOME = process.env.USERPROFILE = 'home';
+	process.env.TEMP = process.env.TMP = process.env.TMPDIR = 'temp';
+
+	t.is(paths.home(), 'home');
+	t.is(paths.temp(), 'temp');
+});
+
+test('no os.homedir and runtime variations', (t) => {
+	const paths = osPaths;
+
+	process.env.HOME = process.env.HOMEDRIVE = process.env.HOMEPATH = process.env.USERPROFILE = '';
+
+	process.env.HOMEDRIVE = 'homedrive';
+	t.is(paths.home(), isWinOS ? 'homedrive' : '');
+
+	process.env.HOMEDRIVE = '';
+	process.env.HOMEPATH = 'homepath';
+	t.is(paths.home(), isWinOS ? 'homepath' : '');
+	process.env.HOMEDRIVE = 'homedrive';
+	t.is(paths.home(), isWinOS ? path.join('homedrive', 'homepath') : '');
+
+	process.env.HOME = 'home';
+	t.is(paths.home(), 'home');
+
+	process.env.USERPROFILE = 'userprofile';
+	t.is(paths.home(), isWinOS ? 'userprofile' : 'home');
+});
+
+test('no os.tmpdir and runtime variations', (t) => {
+	const paths = osPaths;
+
+	process.env.TEMP = process.env.TMPDIR = process.env.TMP = '';
+
+	t.is(paths.temp(), isWinOS ? path.join(process.env.LOCALAPPDATA, 'Temp') : '');
+	process.env.LOCALAPPDATA = '';
+	t.is(paths.temp(), isWinOS ? path.join(process.env.SystemRoot, 'Temp') : '');
+	process.env.SystemRoot = '';
+	t.is(paths.temp(), isWinOS ? path.join(process.env.windir, 'Temp') : '');
+	process.env.windir = '';
+	t.is(paths.temp(), isWinOS ? path.join('', 'Temp') : '');
+	delete process.env.windir;
+	t.is(paths.temp(), isWinOS ? path.join('', 'Temp') : '');
+
+	process.env.TMP = 'tmp';
+	t.is(paths.temp(), 'tmp');
+	process.env.TEMP = 'temp';
+	t.is(paths.temp(), 'temp');
+	process.env.TMPDIR = 'tmpdir';
+	t.is(paths.temp(), isWinOS ? 'temp' : 'tmpdir'); // TMPDIR is not used for Windows platforms
+});
+
 /* eslint-enable functional/immutable-data */