Add a few more tests

sindresorhus · Sep 1, 2024 · f669c99 · f669c99
1 parent 6a888f9
commit f669c99
Show file tree

Hide file tree

Showing 3 changed files with 25 additions and 4 deletions.
diff --git a/test/helpers/arguments.js b/test/helpers/arguments.js
@@ -3,6 +3,7 @@ export const secondTestString = 'secondTest';
 export const thirdTestString = 'thirdTest';
 export const fourthTestString = 'fourthTest';
 export const testUpperCase = testString.toUpperCase();
+export const testDouble = `${testString}${testString}`;
 export const testDoubleUpperCase = `${testUpperCase}${testUpperCase}`;
 
 export const multibyteString = '.\u{1F984}.';

diff --git a/test/options.js b/test/options.js
@@ -105,13 +105,15 @@ const testStdioPriority = async (t, stdio) => {
 test('options.stdio array has priority over options.stdout', testStdioPriority, ['pipe', 'pipe', 'pipe']);
 test('options.stdio string has priority over options.stdout', testStdioPriority, 'pipe');
 
-const testInput = async (t, options) => {
+const testInput = async (t, options, expectedStdout) => {
 	const {stdout} = await nanoSpawn(...nodePassThrough, options);
-	t.is(stdout, testString);
+	t.is(stdout, expectedStdout);
 };
 
-test('options.stdin can be {string: string}', testInput, {stdin: {string: testString}});
-test('options.stdio[0] can be {string: string}', testInput, {stdio: [{string: testString}, 'pipe', 'pipe']});
+test('options.stdin can be {string: string}', testInput, {stdin: {string: testString}}, testString);
+test('options.stdio[0] can be {string: string}', testInput, {stdio: [{string: testString}, 'pipe', 'pipe']}, testString);
+test('options.stdin can be {string: ""}', testInput, {stdin: {string: ''}}, '');
+test('options.stdio[0] can be {string: ""}', testInput, {stdio: [{string: ''}, 'pipe', 'pipe']}, '');
 
 const testLocalBinaryExec = async (t, cwd) => {
 	const {stdout} = await nanoSpawn(...localBinary, {preferLocal: true, cwd});

diff --git a/test/pipe.js b/test/pipe.js
@@ -14,6 +14,7 @@ import {
 	testString,
 	testUpperCase,
 	testDoubleUpperCase,
+	testDouble,
 } from './helpers/arguments.js';
 import {
 	assertDurationMs,
@@ -335,3 +336,20 @@ process.stdout.on("error", () => {
 	t.is(stdout, '');
 	t.is(output, '');
 });
+
+test('.pipe() one source to multiple destinations', async t => {
+	const first = nanoSpawn(...nodePrintStdout);
+	const [firstResult, secondResult, thirdResult] = await Promise.all([
+		first,
+		first.pipe(...nodeToUpperCase),
+		first.pipe(...nodeDouble),
+	]);
+	t.is(secondResult.pipedFrom, firstResult);
+	t.is(thirdResult.pipedFrom, firstResult);
+	t.is(firstResult.stdout, testString);
+	t.is(firstResult.output, firstResult.stdout);
+	t.is(secondResult.stdout, testUpperCase);
+	t.is(secondResult.output, secondResult.stdout);
+	t.is(thirdResult.stdout, testDouble);
+	t.is(thirdResult.output, thirdResult.stdout);
+});