373 lines
12 KiB
JavaScript
373 lines
12 KiB
JavaScript
var template, expect;
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if (typeof require !== 'undefined') {
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template = require('../lib/url-template.js');
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expect = require("expect.js");
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} else {
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template = window.urltemplate;
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expect = window.expect;
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}
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function createTestContext(c) {
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return function (t, r) {
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expect(template.parse(t).expand(c)).to.eql(r);
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};
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}
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describe('uri-template', function () {
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describe('Level 1', function () {
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var assert = createTestContext({
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'var': 'value',
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'some.value': 'some',
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'some_value': 'value',
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'Some%20Thing': 'hello',
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'foo': 'bar',
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'hello': 'Hello World!',
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'bool': false,
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'toString': 'string',
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'number': 42,
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'float': 3.14,
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'undef': undefined,
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'null': null,
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'chars': 'šö䟜ñꀣ¥‡ÑÒÓÔÕÖ×ØÙÚàáâãäåæçÿü',
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'surrogatepairs': '\uD834\uDF06'
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});
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it('empty string', function () {
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assert('', '');
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});
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it('encodes non expressions correctly', function () {
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assert('hello/world', 'hello/world');
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assert('Hello World!/{foo}', 'Hello%20World!/bar');
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assert(':/?#[]@!$&()*+,;=\'', ':/?#[]@!$&()*+,;=\'');
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assert('%20', '%20');
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assert('%xyz', '%25xyz');
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assert('%', '%25');
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});
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it('expand plain ASCII strings', function () {
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assert('{var}', 'value');
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});
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it('expand non-ASCII strings', function () {
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assert('{chars}', '%C5%A1%C3%B6%C3%A4%C5%B8%C5%93%C3%B1%C3%AA%E2%82%AC%C2%A3%C2%A5%E2%80%A1%C3%91%C3%92%C3%93%C3%94%C3%95%C3%96%C3%97%C3%98%C3%99%C3%9A%C3%A0%C3%A1%C3%A2%C3%A3%C3%A4%C3%A5%C3%A6%C3%A7%C3%BF%C3%BC');
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});
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it('expands and encodes surrogate pairs correctly', function () {
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assert('{surrogatepairs}', '%F0%9D%8C%86');
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});
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it('expand expressions with dot and underscore', function () {
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assert('{some.value}', 'some');
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assert('{some_value}', 'value');
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});
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it('expand expressions with encoding', function () {
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assert('{Some%20Thing}', 'hello');
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});
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it('expand expressions with reserved JavaScript names', function () {
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assert('{toString}', 'string');
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});
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it('expand variables that are not strings', function () {
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assert('{number}', '42');
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assert('{float}', '3.14');
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assert('{bool}', 'false');
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});
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it('expand variables that are undefined or null', function () {
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assert('{undef}', '');
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assert('{null}', '');
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});
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it('expand multiple values', function () {
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assert('{var}/{foo}', 'value/bar');
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});
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it('escape invalid characters correctly', function () {
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assert('{hello}', 'Hello%20World%21');
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});
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});
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describe('Level 2', function () {
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var assert = createTestContext({
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'var': 'value',
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'hello': 'Hello World!',
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'path': '/foo/bar'
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});
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it('reserved expansion of basic strings', function () {
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assert('{+var}', 'value');
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assert('{+hello}', 'Hello%20World!');
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});
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it('preserves paths', function() {
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assert('{+path}/here', '/foo/bar/here');
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assert('here?ref={+path}', 'here?ref=/foo/bar');
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});
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});
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describe('Level 3', function () {
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var assert = createTestContext({
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'var' : 'value',
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'hello' : 'Hello World!',
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'empty' : '',
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'path' : '/foo/bar',
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'x' : '1024',
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'y' : '768'
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});
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it('variables without an operator', function () {
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assert('map?{x,y}', 'map?1024,768');
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assert('{x,hello,y}', '1024,Hello%20World%21,768');
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});
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it('variables with the reserved expansion operator', function () {
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assert('{+x,hello,y}', '1024,Hello%20World!,768');
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assert('{+path,x}/here', '/foo/bar,1024/here');
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});
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it('variables with the fragment expansion operator', function () {
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assert('{#x,hello,y}', '#1024,Hello%20World!,768');
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assert('{#path,x}/here', '#/foo/bar,1024/here');
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});
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it('variables with the dot operator', function () {
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assert('X{.var}', 'X.value');
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assert('X{.x,y}', 'X.1024.768');
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});
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it('variables with the path operator', function () {
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assert('{/var}', '/value');
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assert('{/var,x}/here', '/value/1024/here');
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});
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it('variables with the parameter operator', function () {
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assert('{;x,y}', ';x=1024;y=768');
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assert('{;x,y,empty}', ';x=1024;y=768;empty');
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});
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it('variables with the query operator', function () {
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assert('{?x,y}', '?x=1024&y=768');
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assert('{?x,y,empty}', '?x=1024&y=768&empty=');
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});
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it('variables with the query continuation operator', function () {
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assert('?fixed=yes{&x}', '?fixed=yes&x=1024');
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assert('{&x,y,empty}', '&x=1024&y=768&empty=');
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});
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});
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describe('Level 4', function () {
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var assert = createTestContext({
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'var': 'value',
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'hello': 'Hello World!',
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'path': '/foo/bar',
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'list': ['red', 'green', 'blue'],
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'keys': {
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'semi': ';',
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'dot': '.',
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'comma': ','
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},
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"chars": {
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'ü': 'ü'
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},
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'number': 2133,
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'emptystring': '',
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'emptylist': [],
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'emptyobject': {},
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'undefinedlistitem': [1,,2],
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'undefinedobjectitem': { key: null, hello: 'world', 'empty': '', '': 'nothing' }
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});
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it('variable empty list', function () {
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assert('{/emptylist}', '');
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assert('{/emptylist*}', '');
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assert('{?emptylist}', '?emptylist=');
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assert('{?emptylist*}', '');
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});
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it('variable empty object', function () {
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assert('{/emptyobject}', '');
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assert('{/emptyobject*}', '');
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assert('{?emptyobject}', '?emptyobject=');
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assert('{?emptyobject*}', '');
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});
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it('variable undefined list item', function () {
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assert('{undefinedlistitem}', '1,2');
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assert('{undefinedlistitem*}', '1,2');
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assert('{?undefinedlistitem*}', '?undefinedlistitem=1&undefinedlistitem=2');
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});
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it('variable undefined object item', function () {
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assert('{undefinedobjectitem}', 'hello,world,empty,,,nothing');
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assert('{undefinedobjectitem*}', 'hello=world,empty=,nothing');
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});
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it('variable empty string', function () {
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assert('{emptystring}', '');
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assert('{+emptystring}', '');
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assert('{#emptystring}', '#');
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assert('{.emptystring}', '.');
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assert('{/emptystring}', '/');
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assert('{;emptystring}', ';emptystring');
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assert('{?emptystring}', '?emptystring=');
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assert('{&emptystring}', '&emptystring=');
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});
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it('variable modifiers prefix', function () {
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assert('{var:3}', 'val');
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assert('{var:30}', 'value');
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assert('{+path:6}/here', '/foo/b/here');
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assert('{#path:6}/here', '#/foo/b/here');
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assert('X{.var:3}', 'X.val');
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assert('{/var:1,var}', '/v/value');
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assert('{;hello:5}', ';hello=Hello');
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assert('{?var:3}', '?var=val');
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assert('{&var:3}', '&var=val');
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});
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it('variable modifier prefix converted to string', function () {
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assert('{number:3}', '213');
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});
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it('variable list expansion', function () {
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assert('{list}', 'red,green,blue');
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assert('{+list}', 'red,green,blue');
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assert('{#list}', '#red,green,blue');
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assert('{/list}', '/red,green,blue');
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assert('{;list}', ';list=red,green,blue');
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assert('{.list}', '.red,green,blue');
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assert('{?list}', '?list=red,green,blue');
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assert('{&list}', '&list=red,green,blue');
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});
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it('variable associative array expansion', function () {
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assert('{keys}', 'semi,%3B,dot,.,comma,%2C');
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assert('{keys*}', 'semi=%3B,dot=.,comma=%2C');
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assert('{+keys}', 'semi,;,dot,.,comma,,');
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assert('{#keys}', '#semi,;,dot,.,comma,,');
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assert('{.keys}', '.semi,%3B,dot,.,comma,%2C');
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assert('{/keys}', '/semi,%3B,dot,.,comma,%2C');
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assert('{;keys}', ';keys=semi,%3B,dot,.,comma,%2C');
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assert('{?keys}', '?keys=semi,%3B,dot,.,comma,%2C');
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assert('{&keys}', '&keys=semi,%3B,dot,.,comma,%2C');
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});
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it('variable list explode', function () {
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assert('{list*}', 'red,green,blue');
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assert('{+list*}', 'red,green,blue');
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assert('{#list*}', '#red,green,blue');
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assert('{/list*}', '/red/green/blue');
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assert('{;list*}', ';list=red;list=green;list=blue');
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assert('{.list*}', '.red.green.blue');
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assert('{?list*}', '?list=red&list=green&list=blue');
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assert('{&list*}', '&list=red&list=green&list=blue');
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assert('{/list*,path:4}', '/red/green/blue/%2Ffoo');
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});
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it('variable associative array explode', function () {
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assert('{+keys*}', 'semi=;,dot=.,comma=,');
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assert('{#keys*}', '#semi=;,dot=.,comma=,');
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assert('{/keys*}', '/semi=%3B/dot=./comma=%2C');
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assert('{;keys*}', ';semi=%3B;dot=.;comma=%2C');
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assert('{?keys*}', '?semi=%3B&dot=.&comma=%2C');
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assert('{&keys*}', '&semi=%3B&dot=.&comma=%2C')
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});
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it('encodes associative arrays correctly', function () {
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assert('{chars*}', '%C3%BC=%C3%BC');
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});
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});
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describe('Encoding', function () {
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var assert = createTestContext({
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restricted: ":/?#[]@!$&()*+,;='",
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percent: '%',
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encoded: '%25',
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'pctencoded%20name': '',
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mapWithEncodedName: {
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'encoded%20name': ''
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},
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mapWithRestrictedName: {
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'restricted=name': ''
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},
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mapWidthUmlautName: {
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'ümlaut': ''
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}
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});
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it('passes through percent encoded values', function () {
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assert('{percent}', '%25');
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assert('{+encoded}', '%25');
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});
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it('encodes restricted characters correctly', function () {
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assert('{restricted}', '%3A%2F%3F%23%5B%5D%40%21%24%26%28%29%2A%2B%2C%3B%3D%27');
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assert('{+restricted}', ':/?#[]@!$&()*+,;=\'');
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assert('{#restricted}', '#:/?#[]@!$&()*+,;=\'');
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assert('{/restricted}', '/%3A%2F%3F%23%5B%5D%40%21%24%26%28%29%2A%2B%2C%3B%3D%27');
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assert('{;restricted}', ';restricted=%3A%2F%3F%23%5B%5D%40%21%24%26%28%29%2A%2B%2C%3B%3D%27');
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assert('{.restricted}', '.%3A%2F%3F%23%5B%5D%40%21%24%26%28%29%2A%2B%2C%3B%3D%27');
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assert('{?restricted}', '?restricted=%3A%2F%3F%23%5B%5D%40%21%24%26%28%29%2A%2B%2C%3B%3D%27');
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assert('{&restricted}', '&restricted=%3A%2F%3F%23%5B%5D%40%21%24%26%28%29%2A%2B%2C%3B%3D%27');
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});
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});
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describe('Error handling (or the lack thereof)', function () {
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var assert = createTestContext({
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foo: 'test',
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keys: {
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foo: 'bar'
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}
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});
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it('does not expand invalid expressions', function () {
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assert('{test', '{test');
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assert('test}', 'test}');
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assert('{{test}}', '{}'); // TODO: Is this acceptable?
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});
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it('does not expand with incorrect operators', function () {
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assert('{@foo}', ''); // TODO: This will try to match a variable called `@foo` which will fail because it is not in our context. We could catch this by ignoring reserved operators?
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assert('{$foo}', ''); // TODO: Same story, but $ is not a reserved operator.
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assert('{++foo}', '');
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});
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it('ignores incorrect prefixes', function () {
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assert('{foo:test}', 'test'); // TODO: Invalid prefixes are ignored. We could throw an error.
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assert('{foo:2test}', 'te'); // TODO: Best effort is OK?
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});
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it('prefix applied to the wrong context', function () {
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assert('{keys:1}', 'foo,bar');
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});
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});
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describe('Skipping undefined arguments', function () {
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var assert = createTestContext({
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'var': 'value',
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'number': 2133,
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'emptystring': '',
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'emptylist': [],
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'emptyobject': {},
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'undefinedlistitem': [1,,2],
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});
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it('variable undefined list item', function () {
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assert('{undefinedlistitem}', '1,2');
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assert('{undefinedlistitem*}', '1,2');
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assert('{?undefinedlistitem*}', '?undefinedlistitem=1&undefinedlistitem=2');
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});
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it('query with empty/undefined arguments', function () {
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assert('{?var,number}', '?var=value&number=2133');
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assert('{?undef}', '');
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assert('{?emptystring}', '?emptystring=');
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assert('{?emptylist}', '?emptylist=');
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assert('{?emptyobject}', '?emptyobject=');
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assert('{?undef,var,emptystring}', '?var=value&emptystring=');
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});
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});
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});
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