Initial commit

node_modules/pipe-functions/tests/main.test.js

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+/*globals describe, it*/
+'use strict';
+
+const pipe = require('../');
+const assert = require('assert');
+
+const capitalize = v => v[0].toUpperCase() + v.slice(1);
+const quote = v => `"${v}"`;
+const fetchAndSetBandName = v => new Promise((resolve, reject) => setTimeout(() => resolve(`Pink Floyd - ${v}`), 1000));
+
+describe('Pipe', function() {
+
+	describe('Functions (sync)', function() {
+
+		it(`'time' should be turned into '"Time"'`, function() {
+			const result = pipe('time', capitalize, quote);
+			assert.equal(result, `"Time"`);
+		});
+
+		it(`should work with even with only one value being input`, function() {
+			assert.equal(pipe('Z'), 'Z');
+		});
+
+		it(`should work with even with only one function being input`, function() {
+			assert.equal(pipe(x => 'K'), 'K');
+		});
+
+		it(`should pass forward 'undefined' values`, function() {
+			const a = () => undefined;
+			const b = (x) => x + undefined;
+			const c = (x) => x + 'C';
+
+			assert(pipe(a, b, c));
+		});
+
+	});
+
+	describe('Functions && Promises (sync && async)', function() {
+
+		it(`'time' should be turned into 'Pink Floyd - Time'`, function(done) {
+			pipe('time', capitalize, fetchAndSetBandName)
+				.then(result => assert.equal(`Pink Floyd - Time`, result))
+				.then(() => done());
+		});
+
+		it(`should pass forward 'undefined' values`, function() {
+			const a = () => new Promise((resolve, reject) => setTimeout(() => resolve(undefined), 1000));
+			const b = (x) => x + undefined;
+			const c = (x) => x + 'C';
+
+			assert(pipe(a, b, c));
+		});
+
+		it(`should work with even with only one function being input`, function(done) {
+			const promise = () => new Promise((resolve, reject) => setTimeout(() => resolve('Z'), 1000));
+			pipe(promise)
+				.then(result => assert.equal(`Z`, result))
+				.then(() => done());
+		});
+
+	});
+});