test.browser.js

/* global global */
'use strict';

// MODULES //

var tape = require( 'tape' );
var proxyquire = require( 'proxyquire' );
var openURL = require( './../lib/browser.js' );


// TESTS //

tape( 'main export is a function', function test( t ) {
	t.ok( true, __filename );
	t.equal( typeof openURL, 'function', 'main export is a function' );
	t.end();
});

tape( 'the function throws an error if not provided a valid URI', function test( t ) {
	var values;
	var i;

	values = [
		'beep',
		'',
		'///boop',
		5,
		NaN,
		true,
		null,
		undefined,
		[],
		{},
		function(){}
	];
	for ( i = 0; i < values.length; i++ ) {
		t.throws( badValue( values[i] ), TypeError, 'throws an error when provided '+values[i] );
	}
	t.end();

	function badValue( value ) {
		return function badValue() {
			openURL( value );
		};
	}
});

tape( 'the function defers to the `window.open` method', function test( t ) {
	var openURL;
	var url;
	var win;

	win = global.window;
	global.window = {
		'open': mock
	};

	openURL = proxyquire( './../lib/browser.js', {} );

	url = 'https://google.com';
	openURL( url );

	global.window = win;

	function mock( val ) {
		t.equal( val, url, 'forwards the URL argument' );
		t.end();
	}
});