mirror of
https://github.com/robertkrimen/otto
synced 2025-10-19 19:55:30 +08:00
423 lines
12 KiB
Go
423 lines
12 KiB
Go
package otto
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import (
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. "github.com/robertkrimen/terst"
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"testing"
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)
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// #750 - Return _ instance.
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func Test_underscore_utility_0(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test("#750 - Return _ instance.", 2, function() {
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var instance = _([]);
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ok(_(instance) === instance);
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ok(new _(instance) === instance);
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});
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`)
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}
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// identity
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func Test_underscore_utility_1(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test("identity", function() {
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var moe = {name : 'moe'};
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equal(_.identity(moe), moe, 'moe is the same as his identity');
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});
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`)
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}
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// random
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func Test_underscore_utility_2(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test("random", function() {
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var array = _.range(1000);
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var min = Math.pow(2, 31);
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var max = Math.pow(2, 62);
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ok(_.every(array, function() {
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return _.random(min, max) >= min;
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}), "should produce a random number greater than or equal to the minimum number");
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ok(_.some(array, function() {
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return _.random(Number.MAX_VALUE) > 0;
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}), "should produce a random number when passed <Number.MAX_VALUE>");
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});
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`)
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}
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// uniqueId
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func Test_underscore_utility_3(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test("uniqueId", function() {
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var ids = [], i = 0;
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while(i++ < 100) ids.push(_.uniqueId());
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equal(_.uniq(ids).length, ids.length, 'can generate a globally-unique stream of ids');
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});
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`)
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}
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// times
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func Test_underscore_utility_4(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test("times", function() {
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var vals = [];
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_.times(3, function (i) { vals.push(i); });
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ok(_.isEqual(vals, [0,1,2]), "is 0 indexed");
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//
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vals = [];
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_(3).times(function(i) { vals.push(i); });
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ok(_.isEqual(vals, [0,1,2]), "works as a wrapper");
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// collects return values
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ok(_.isEqual([0, 1, 2], _.times(3, function(i) { return i; })), "collects return values");
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});
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`)
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}
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// mixin
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func Test_underscore_utility_5(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test("mixin", function() {
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_.mixin({
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myReverse: function(string) {
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return string.split('').reverse().join('');
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}
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});
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equal(_.myReverse('panacea'), 'aecanap', 'mixed in a function to _');
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equal(_('champ').myReverse(), 'pmahc', 'mixed in a function to the OOP wrapper');
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});
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`)
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}
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// _.escape
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func Test_underscore_utility_6(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test("_.escape", function() {
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equal(_.escape("Curly & Moe"), "Curly & Moe");
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equal(_.escape("Curly & Moe"), "Curly &amp; Moe");
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equal(_.escape(null), '');
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});
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`)
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}
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// _.unescape
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func Test_underscore_utility_7(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test("_.unescape", function() {
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var string = "Curly & Moe";
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equal(_.unescape("Curly & Moe"), string);
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equal(_.unescape("Curly &amp; Moe"), "Curly & Moe");
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equal(_.unescape(null), '');
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equal(_.unescape(_.escape(string)), string);
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});
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`)
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}
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// template
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func Test_underscore_utility_8(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test("template", function() {
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var basicTemplate = _.template("<%= thing %> is gettin' on my noives!");
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var result = basicTemplate({thing : 'This'});
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equal(result, "This is gettin' on my noives!", 'can do basic attribute interpolation');
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var sansSemicolonTemplate = _.template("A <% this %> B");
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equal(sansSemicolonTemplate(), "A B");
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var backslashTemplate = _.template("<%= thing %> is \\ridanculous");
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equal(backslashTemplate({thing: 'This'}), "This is \\ridanculous");
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var escapeTemplate = _.template('<%= a ? "checked=\\"checked\\"" : "" %>');
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equal(escapeTemplate({a: true}), 'checked="checked"', 'can handle slash escapes in interpolations.');
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var fancyTemplate = _.template("<ul><% \
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for (var key in people) { \
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%><li><%= people[key] %></li><% } %></ul>");
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result = fancyTemplate({people : {moe : "Moe", larry : "Larry", curly : "Curly"}});
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// TODO: Property ordering unreliable
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//equal(result, "<ul><li>Moe</li><li>Larry</li><li>Curly</li></ul>", 'can run arbitrary javascript in templates');
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var escapedCharsInJavascriptTemplate = _.template("<ul><% _.each(numbers.split('\\n'), function(item) { %><li><%= item %></li><% }) %></ul>");
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result = escapedCharsInJavascriptTemplate({numbers: "one\ntwo\nthree\nfour"});
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equal(result, "<ul><li>one</li><li>two</li><li>three</li><li>four</li></ul>", 'Can use escaped characters (e.g. \\n) in Javascript');
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var namespaceCollisionTemplate = _.template("<%= pageCount %> <%= thumbnails[pageCount] %> <% _.each(thumbnails, function(p) { %><div class=\"thumbnail\" rel=\"<%= p %>\"></div><% }); %>");
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result = namespaceCollisionTemplate({
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pageCount: 3,
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thumbnails: {
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1: "p1-thumbnail.gif",
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2: "p2-thumbnail.gif",
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3: "p3-thumbnail.gif"
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}
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});
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// TODO: Property ordering unreliable
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//equal(result, "3 p3-thumbnail.gif <div class=\"thumbnail\" rel=\"p1-thumbnail.gif\"></div><div class=\"thumbnail\" rel=\"p2-thumbnail.gif\"></div><div class=\"thumbnail\" rel=\"p3-thumbnail.gif\"></div>");
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var noInterpolateTemplate = _.template("<div><p>Just some text. Hey, I know this is silly but it aids consistency.</p></div>");
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result = noInterpolateTemplate();
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equal(result, "<div><p>Just some text. Hey, I know this is silly but it aids consistency.</p></div>");
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var quoteTemplate = _.template("It's its, not it's");
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equal(quoteTemplate({}), "It's its, not it's");
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var quoteInStatementAndBody = _.template("<%\
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if(foo == 'bar'){ \
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%>Statement quotes and 'quotes'.<% } %>");
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equal(quoteInStatementAndBody({foo: "bar"}), "Statement quotes and 'quotes'.");
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var withNewlinesAndTabs = _.template('This\n\t\tis: <%= x %>.\n\tok.\nend.');
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equal(withNewlinesAndTabs({x: 'that'}), 'This\n\t\tis: that.\n\tok.\nend.');
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var template = _.template("<i><%- value %></i>");
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var result = template({value: "<script>"});
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equal(result, '<i><script></i>');
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var stooge = {
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name: "Moe",
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template: _.template("I'm <%= this.name %>")
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};
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equal(stooge.template(), "I'm Moe");
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//if (!$.browser.msie) {
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// var fromHTML = _.template($('#template').html());
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// equal(fromHTML({data : 12345}).replace(/\s/g, ''), '<li>24690</li>');
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//}
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_.templateSettings = {
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evaluate : /\{\{([\s\S]+?)\}\}/g,
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interpolate : /\{\{=([\s\S]+?)\}\}/g
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};
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// TODO: Property ordering unreliable
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//var custom = _.template("<ul>{{ for (var key in people) { }}<li>{{= people[key] }}</li>{{ } }}</ul>");
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//result = custom({people : {moe : "Moe", larry : "Larry", curly : "Curly"}});
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//equal(result, "<ul><li>Moe</li><li>Larry</li><li>Curly</li></ul>", 'can run arbitrary javascript in templates');
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var customQuote = _.template("It's its, not it's");
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equal(customQuote({}), "It's its, not it's");
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var quoteInStatementAndBody = _.template("{{ if(foo == 'bar'){ }}Statement quotes and 'quotes'.{{ } }}");
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equal(quoteInStatementAndBody({foo: "bar"}), "Statement quotes and 'quotes'.");
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_.templateSettings = {
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evaluate : /<\?([\s\S]+?)\?>/g,
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interpolate : /<\?=([\s\S]+?)\?>/g
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};
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// TODO: Property ordering unreliable
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//var customWithSpecialChars = _.template("<ul><? for (var key in people) { ?><li><?= people[key] ?></li><? } ?></ul>");
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//result = customWithSpecialChars({people : {moe : "Moe", larry : "Larry", curly : "Curly"}});
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//equal(result, "<ul><li>Moe</li><li>Larry</li><li>Curly</li></ul>", 'can run arbitrary javascript in templates');
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var customWithSpecialCharsQuote = _.template("It's its, not it's");
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equal(customWithSpecialCharsQuote({}), "It's its, not it's");
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var quoteInStatementAndBody = _.template("<? if(foo == 'bar'){ ?>Statement quotes and 'quotes'.<? } ?>");
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equal(quoteInStatementAndBody({foo: "bar"}), "Statement quotes and 'quotes'.");
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_.templateSettings = {
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interpolate : /\{\{(.+?)\}\}/g
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};
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var mustache = _.template("Hello {{planet}}!");
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equal(mustache({planet : "World"}), "Hello World!", "can mimic mustache.js");
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var templateWithNull = _.template("a null undefined {{planet}}");
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equal(templateWithNull({planet : "world"}), "a null undefined world", "can handle missing escape and evaluate settings");
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});
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`)
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}
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// _.template provides the generated function source, when a SyntaxError occurs
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func Test_underscore_utility_9(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test('_.template provides the generated function source, when a SyntaxError occurs', function() {
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try {
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_.template('<b><%= if x %></b>');
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} catch (ex) {
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var source = ex.source;
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}
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ok(/__p/.test(source));
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});
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`)
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}
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// _.template handles \\u2028 & \\u2029
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func Test_underscore_utility_10(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test('_.template handles \\u2028 & \\u2029', function() {
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var tmpl = _.template('<p>\u2028<%= "\\u2028\\u2029" %>\u2029</p>');
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strictEqual(tmpl(), '<p>\u2028\u2028\u2029\u2029</p>');
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});
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`)
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}
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// result calls functions and returns primitives
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func Test_underscore_utility_11(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test('result calls functions and returns primitives', function() {
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var obj = {w: '', x: 'x', y: function(){ return this.x; }};
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strictEqual(_.result(obj, 'w'), '');
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strictEqual(_.result(obj, 'x'), 'x');
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strictEqual(_.result(obj, 'y'), 'x');
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strictEqual(_.result(obj, 'z'), undefined);
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// FIXME: This functionality is being changed in the underscore master right now
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//strictEqual(_.result(null, 'x'), undefined);
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});
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`)
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}
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// _.templateSettings.variable
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func Test_underscore_utility_12(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test('_.templateSettings.variable', function() {
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var s = '<%=data.x%>';
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var data = {x: 'x'};
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strictEqual(_.template(s, data, {variable: 'data'}), 'x');
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_.templateSettings.variable = 'data';
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strictEqual(_.template(s)(data), 'x');
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});
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`)
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}
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// #547 - _.templateSettings is unchanged by custom settings.
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func Test_underscore_utility_13(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test('#547 - _.templateSettings is unchanged by custom settings.', function() {
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ok(!_.templateSettings.variable);
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_.template('', {}, {variable: 'x'});
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ok(!_.templateSettings.variable);
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});
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`)
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}
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// #556 - undefined template variables.
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func Test_underscore_utility_14(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test('#556 - undefined template variables.', function() {
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var template = _.template('<%=x%>');
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strictEqual(template({x: null}), '');
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strictEqual(template({x: undefined}), '');
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var templateEscaped = _.template('<%-x%>');
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strictEqual(templateEscaped({x: null}), '');
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strictEqual(templateEscaped({x: undefined}), '');
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var templateWithProperty = _.template('<%=x.foo%>');
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strictEqual(templateWithProperty({x: {} }), '');
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strictEqual(templateWithProperty({x: {} }), '');
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var templateWithPropertyEscaped = _.template('<%-x.foo%>');
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strictEqual(templateWithPropertyEscaped({x: {} }), '');
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strictEqual(templateWithPropertyEscaped({x: {} }), '');
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});
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`)
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}
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// interpolate evaluates code only once.
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func Test_underscore_utility_15(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test('interpolate evaluates code only once.', 2, function() {
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var count = 0;
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var template = _.template('<%= f() %>');
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template({f: function(){ ok(!(count++)); }});
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var countEscaped = 0;
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var templateEscaped = _.template('<%- f() %>');
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templateEscaped({f: function(){ ok(!(countEscaped++)); }});
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});
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`)
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}
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// #746 - _.template settings are not modified.
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func Test_underscore_utility_16(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test('#746 - _.template settings are not modified.', 1, function() {
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var settings = {};
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_.template('', null, settings);
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deepEqual(settings, {});
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});
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`)
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}
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// #779 - delimeters are applied to unescaped text.
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func Test_underscore_utility_17(t *testing.T) {
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Terst(t)
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test := underscoreTest()
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test(`
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test('#779 - delimeters are applied to unescaped text.', 1, function() {
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var template = _.template('<<\nx\n>>', null, {evaluate: /<<(.*?)>>/g});
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strictEqual(template(), '<<\nx\n>>');
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});
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`)
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}
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