206 lines
10 KiB
JavaScript
206 lines
10 KiB
JavaScript
require('./helper');
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// A map of templates to their expected token output. Tokens are in the format:
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// [type, value, startIndex, endIndex, subTokens].
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var expectations = {
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'' : [],
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'{{hi}}' : [ [ 'name', 'hi', 0, 6 ] ],
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'{{hi.world}}' : [ [ 'name', 'hi.world', 0, 12 ] ],
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'{{hi . world}}' : [ [ 'name', 'hi . world', 0, 14 ] ],
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'{{ hi}}' : [ [ 'name', 'hi', 0, 7 ] ],
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'{{hi }}' : [ [ 'name', 'hi', 0, 7 ] ],
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'{{ hi }}' : [ [ 'name', 'hi', 0, 8 ] ],
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'{{{hi}}}' : [ [ '&', 'hi', 0, 8 ] ],
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'{{!hi}}' : [ [ '!', 'hi', 0, 7 ] ],
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'{{! hi}}' : [ [ '!', 'hi', 0, 8 ] ],
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'{{! hi }}' : [ [ '!', 'hi', 0, 9 ] ],
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'{{ !hi}}' : [ [ '!', 'hi', 0, 8 ] ],
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'{{ ! hi}}' : [ [ '!', 'hi', 0, 9 ] ],
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'{{ ! hi }}' : [ [ '!', 'hi', 0, 10 ] ],
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'a\n b' : [ [ 'text', 'a\n b', 0, 4 ] ],
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'a{{hi}}' : [ [ 'text', 'a', 0, 1 ], [ 'name', 'hi', 1, 7 ] ],
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'a {{hi}}' : [ [ 'text', 'a ', 0, 2 ], [ 'name', 'hi', 2, 8 ] ],
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' a{{hi}}' : [ [ 'text', ' a', 0, 2 ], [ 'name', 'hi', 2, 8 ] ],
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' a {{hi}}' : [ [ 'text', ' a ', 0, 3 ], [ 'name', 'hi', 3, 9 ] ],
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'a{{hi}}b' : [ [ 'text', 'a', 0, 1 ], [ 'name', 'hi', 1, 7 ], [ 'text', 'b', 7, 8 ] ],
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'a{{hi}} b' : [ [ 'text', 'a', 0, 1 ], [ 'name', 'hi', 1, 7 ], [ 'text', ' b', 7, 9 ] ],
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'a{{hi}}b ' : [ [ 'text', 'a', 0, 1 ], [ 'name', 'hi', 1, 7 ], [ 'text', 'b ', 7, 9 ] ],
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'a\n{{hi}} b \n' : [ [ 'text', 'a\n', 0, 2 ], [ 'name', 'hi', 2, 8 ], [ 'text', ' b \n', 8, 12 ] ],
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'a\n {{hi}} \nb' : [ [ 'text', 'a\n ', 0, 3 ], [ 'name', 'hi', 3, 9 ], [ 'text', ' \nb', 9, 12 ] ],
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'a\n {{!hi}} \nb' : [ [ 'text', 'a\n', 0, 2 ], [ '!', 'hi', 3, 10 ], [ 'text', 'b', 12, 13 ] ],
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'a\n{{#a}}{{/a}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 2, 8, [], 8 ], [ 'text', 'b', 15, 16 ] ],
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'a\n {{#a}}{{/a}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [], 9 ], [ 'text', 'b', 16, 17 ] ],
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'a\n {{#a}}{{/a}} \nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [], 9 ], [ 'text', 'b', 17, 18 ] ],
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'a\n{{#a}}\n{{/a}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 2, 8, [], 9 ], [ 'text', 'b', 16, 17 ] ],
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'a\n {{#a}}\n{{/a}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [], 10 ], [ 'text', 'b', 17, 18 ] ],
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'a\n {{#a}}\n{{/a}} \nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [], 10 ], [ 'text', 'b', 18, 19 ] ],
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'a\n{{#a}}\n{{/a}}\n{{#b}}\n{{/b}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 2, 8, [], 9 ], [ '#', 'b', 16, 22, [], 23 ], [ 'text', 'b', 30, 31 ] ],
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'a\n {{#a}}\n{{/a}}\n{{#b}}\n{{/b}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [], 10 ], [ '#', 'b', 17, 23, [], 24 ], [ 'text', 'b', 31, 32 ] ],
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'a\n {{#a}}\n{{/a}}\n{{#b}}\n{{/b}} \nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [], 10 ], [ '#', 'b', 17, 23, [], 24 ], [ 'text', 'b', 32, 33 ] ],
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'a\n{{#a}}\n{{#b}}\n{{/b}}\n{{/a}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 2, 8, [ [ '#', 'b', 9, 15, [], 16 ] ], 23 ], [ 'text', 'b', 30, 31 ] ],
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'a\n {{#a}}\n{{#b}}\n{{/b}}\n{{/a}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [ [ '#', 'b', 10, 16, [], 17 ] ], 24 ], [ 'text', 'b', 31, 32 ] ],
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'a\n {{#a}}\n{{#b}}\n{{/b}}\n{{/a}} \nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [ [ '#', 'b', 10, 16, [], 17 ] ], 24 ], [ 'text', 'b', 32, 33 ] ],
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'{{>abc}}' : [ [ '>', 'abc', 0, 8, '', 0, false ] ],
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'{{> abc }}' : [ [ '>', 'abc', 0, 10, '', 0, false ] ],
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'{{ > abc }}' : [ [ '>', 'abc', 0, 11, '', 0, false ] ],
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' {{> abc }}\n' : [ [ '>', 'abc', 2, 12, ' ', 0, false ] ],
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' {{> abc }} {{> abc }}\n' : [ [ '>', 'abc', 2, 12, ' ', 0, false ], [ '>', 'abc', 13, 23, ' ', 1, false ] ],
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'{{ > abc }}' : [ [ '>', 'abc', 0, 11, '', 0, false ] ],
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'{{=<% %>=}}' : [ [ '=', '<% %>', 0, 11 ] ],
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'{{= <% %> =}}' : [ [ '=', '<% %>', 0, 13 ] ],
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'{{=<% %>=}}<%={{ }}=%>' : [ [ '=', '<% %>', 0, 11 ], [ '=', '{{ }}', 11, 22 ] ],
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'{{=<% %>=}}<%hi%>' : [ [ '=', '<% %>', 0, 11 ], [ 'name', 'hi', 11, 17 ] ],
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'{{#a}}{{/a}}hi{{#b}}{{/b}}\n' : [ [ '#', 'a', 0, 6, [], 6 ], [ 'text', 'hi', 12, 14 ], [ '#', 'b', 14, 20, [], 20 ], [ 'text', '\n', 26, 27 ] ],
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'{{a}}\n{{b}}\n\n{{#c}}\n{{/c}}\n' : [ [ 'name', 'a', 0, 5 ], [ 'text', '\n', 5, 6 ], [ 'name', 'b', 6, 11 ], [ 'text', '\n\n', 11, 13 ], [ '#', 'c', 13, 19, [], 20 ] ],
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'{{#foo}}\n {{#a}}\n {{b}}\n {{/a}}\n{{/foo}}\n'
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: [ [ '#', 'foo', 0, 8, [ [ '#', 'a', 11, 17, [ [ 'text', ' ', 18, 22 ], [ 'name', 'b', 22, 27 ], [ 'text', '\n', 27, 28 ] ], 30 ] ], 37 ] ]
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};
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var originalTemplateCache;
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before(function () {
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originalTemplateCache = Mustache.templateCache;
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});
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beforeEach(function (){
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Mustache.clearCache();
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Mustache.templateCache = originalTemplateCache;
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});
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describe('Mustache.parse', function () {
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for (var template in expectations) {
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(function (template, tokens) {
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it('knows how to parse ' + JSON.stringify(template), function () {
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assert.deepEqual(Mustache.parse(template), tokens);
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});
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})(template, expectations[template]);
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}
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describe('when there is an unclosed tag', function () {
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it('throws an error', function () {
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assert.throws(function () {
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Mustache.parse('My name is {{name');
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}, /unclosed tag at 17/i);
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});
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});
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describe('when there is an unclosed section', function () {
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it('throws an error', function () {
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assert.throws(function () {
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Mustache.parse('A list: {{#people}}{{name}}');
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}, /unclosed section "people" at 27/i);
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});
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});
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describe('when there is an unopened section', function () {
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it('throws an error', function () {
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assert.throws(function () {
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Mustache.parse('The end of the list! {{/people}}');
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}, /unopened section "people" at 21/i);
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});
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});
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describe('when invalid tags are given as an argument', function () {
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it('throws an error', function () {
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assert.throws(function () {
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Mustache.parse('A template <% name %>', [ '<%' ]);
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}, /invalid tags/i);
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});
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});
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describe('when the template contains invalid tags', function () {
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it('throws an error', function () {
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assert.throws(function () {
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Mustache.parse('A template {{=<%=}}');
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}, /invalid tags/i);
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});
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});
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describe('when parsing a template without tags specified followed by the same template with tags specified', function () {
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it('returns different tokens for the latter parse', function () {
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var template = '{{foo}}[bar]';
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var parsedWithBraces = Mustache.parse(template);
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var parsedWithBrackets = Mustache.parse(template, ['[', ']']);
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assert.notDeepEqual(parsedWithBrackets, parsedWithBraces);
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});
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});
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describe('when parsing a template with tags specified followed by the same template with different tags specified', function () {
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it('returns different tokens for the latter parse', function () {
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var template = '(foo)[bar]';
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var parsedWithParens = Mustache.parse(template, ['(', ')']);
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var parsedWithBrackets = Mustache.parse(template, ['[', ']']);
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assert.notDeepEqual(parsedWithBrackets, parsedWithParens);
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});
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});
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describe('when parsing a template after already having parsed that template with a different Mustache.tags', function () {
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it('returns different tokens for the latter parse', function () {
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var template = '{{foo}}[bar]';
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var parsedWithBraces = Mustache.parse(template);
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var oldTags = Mustache.tags;
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Mustache.tags = ['[', ']'];
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var parsedWithBrackets = Mustache.parse(template);
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Mustache.tags = oldTags;
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assert.notDeepEqual(parsedWithBrackets, parsedWithBraces);
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});
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});
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describe('when parsing a template with the same tags second time, return the cached tokens', function () {
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it('returns the same tokens for the latter parse', function () {
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var template = '{{foo}}[bar]';
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var parsedResult1 = Mustache.parse(template);
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var parsedResult2 = Mustache.parse(template);
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assert.deepEqual(parsedResult1, parsedResult2);
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assert.ok(parsedResult1 === parsedResult2);
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});
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});
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describe('when parsing a template with caching disabled and the same tags second time, do not return the cached tokens', function () {
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it('returns different tokens for the latter parse', function () {
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Mustache.templateCache = undefined;
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var template = '{{foo}}[bar]';
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var parsedResult1 = Mustache.parse(template);
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var parsedResult2 = Mustache.parse(template);
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assert.deepEqual(parsedResult1, parsedResult2);
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assert.ok(parsedResult1 !== parsedResult2);
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});
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});
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describe('when parsing a template with custom caching and the same tags second time, do not return the cached tokens', function () {
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it('returns the same tokens for the latter parse', function () {
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Mustache.templateCache = {
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_cache: [],
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set: function set (key, value) {
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this._cache.push([key, value]);
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},
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get: function get (key) {
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var cacheLength = this._cache.length;
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for (var i = 0; i < cacheLength; i++) {
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var entry = this._cache[i];
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if (entry[0] === key) {
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return entry[1];
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}
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}
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return undefined;
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},
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clear: function clear () {
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this._cache = [];
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}
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};
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var template = '{{foo}}[bar]';
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var parsedResult1 = Mustache.parse(template);
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var parsedResult2 = Mustache.parse(template);
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assert.deepEqual(parsedResult1, parsedResult2);
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assert.ok(parsedResult1 === parsedResult2);
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});
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});
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});
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