// Test helpers for karma-e2e-dsl environment

//	

// https://github.com/winsonwq/karma-e2e-dsl

exports.page_loading = function (url, title) {

	test (url+' loads', dsl(function () {

		// here we are in Karma page

		browser.navigateTo (url);

		expect (element ('title').text ()).toMatch (new RegExp (title,'m'));

		// The same test agin vaniller javascript

		element ('title').text (function (page_title) {

			// here we got a value from the test iframe

			// to display the tested value : console.log (page_title);

			if (!(new RegExp (title, 'm').test (page_title))) throw 'got page '+page_title+' instead';

		});

	}));

}

/** Test if it's possible to change lang to the specified :

 *	c : lang code

 *	l : help label

 */

exports.i18n = function (c, l) {

	test ('to '+c, dsl(function () {

		element ('#footer a[href="/i18n/setlang/'+c+'/"]').click ();

		browser.navigateTo ('/');

		expect (test_.elt ('#footer a[href="/help/"]').text ()).toMatch (new RegExp (l, 'm'));

	}));

}

/** Test if the selected DOM element is defined or has a given value : .val()

 *	s : CSS selector

 *	e : expected value, if omited, test existence

 */

exports.val = function (s, e) {

	e = typeof e == 'undefined' ? '' : e; // .val() returns defined ? '' : undefined; // if no value

	test (s+' is '+e, dsl(function () {

		expect (test_.elt (s).val ()).toMatch (new RegExp (e, 'm'));

	}));

}

exports.exist = function (s) {

	test_.val (s);

}

/** Test if the selected DOM element has the given text : .text()

 *	s : CSS selector

 *	e : expected value

 *	v : should we test a visible value ?

 */

exports.text = function (s, e, v) {

	v = typeof v == 'undefined' ? true : v;

	test (s+' has text '+e, dsl(function () {

		expect (test_.elt (s, v).text ()).toBe (e);

	}));

}

/** Test if the selected DOM element .text() value match the given regexp

 *	s : CSS selector

 *	r : regexp to match

 */

exports.match = function (s, r) {

	test (s+' text match '+r, dsl(function () {

		expect (test_.elt (s).text ()).toMatch (r);

	}));

}

/** Count selector occurences

 *	s : CSS selector

 *	e : expected count

 */

exports.count = function (s, e) {

	test (s+' count is '+e, dsl(function () {

		expect (test_.elt (s).count ()).toBe (e);

	}));

}

/** Test Django form field presence

 */

exports.field = function (form_id, field_id, type, position, label, mandatory) {

	test ('has a '+label+' form field', dsl(function () {

		var s = '';

		switch (type) {

			case 'textarea':s = 'textarea#'+field_id; break;

			case 'select':	s = 'select#'+field_id; break;

			default:		s = 'input#'+field_id+'[type="'+type+'"]';

		}

		expect (test_.elt (s).val ()).toBeDefined ();

		expect (test_.elt ('#'+form_id+' :input:eq('+position+')#'+field_id).val ()).toBeDefined ();

		expect (test_.elt ('label[for='+field_id+']').text ()).toBe (label);

		if (mandatory)

			expect (test_.elt ('label[for='+field_id+'] + span.required_star').val ()).toBeDefined ();

	}));

}

/**

 * Fill form field

 * s : form field id

 * v : array containing the value to use

 */

exports.fill_field = function (s, v) {

	test ('set '+s, dsl(function () {

		input (s).enter (v[s]);

	}));

}

/**

 * Submit a form

 * s : selector of the submit button

 */

exports.submit = function (s) {

	test ('submit '+s, dsl(function () {

		test_.elt (s).click ();

		browser.waitForPageLoad ();

	}));

}

/**

 * Fails a test

 */

exports.fail = function () {

	test ('must fail', dsl(function () {

		throw 'have been programmed to fail now';

	}));

}

/**

 * Inbrowser debugger statement

 */

exports.debug = function () {

	test ('debugger', dsl(function (){

		debugger; // not seen to work

	}));

}

/**

 */

exports.pause = function () {

	test ('pause', dsl(function () {

		browser.pause ();

	}));

}

/**

 * Start back the testcases

 */

exports.resume = function () {

	test ('resume', dsl(function (){

		browser.resume ();

	}));

}

/** Ensure the given element is visible

 *	s : CSS selector of the DOM element to check

 *	v : should the element being visible

 */

exports.elt = function (s, v) {

	return element (s + (v ? ':visible' : ''));

}

/** Revive functions after a JSON.stringify which prevented their disappearence

 * k : key in the object to revive functions in

 * v : value

 * 

 * We keep only the string of the body part in order to use it to define a new function in tests files

 * /!\ do NEVER minify this code ! /!\

 *

 */

exports.reviveFunc = multilineString (function (k, v) {

/*!	if (v && typeof v === 'string' && v.substr (0, 8) == 'function') { 

		var a = v.indexOf ('{') + 1, // start function body 

		b = v.lastIndexOf ('}'),	

		c = v.indexOf ('(') + 1,	 // start args 

		d = v.indexOf (')');		

		return new Function (v.substring (c, d), v.substring (a, b)); 

	}

	return v;*/

});

function multilineString (f) { return f.toString().replace(/^[^\/]+\/\*!?/, '').replace(/\*\/[^\/]+$/, ''); }