parse-test.js
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require('./helper');
// A map of templates to their expected token output. Tokens are in the format:
// [type, value, startIndex, endIndex, subTokens].
var expectations = {
'' : [],
'{{hi}}' : [ [ 'name', 'hi', 0, 6 ] ],
'{{hi.world}}' : [ [ 'name', 'hi.world', 0, 12 ] ],
'{{hi . world}}' : [ [ 'name', 'hi . world', 0, 14 ] ],
'{{ hi}}' : [ [ 'name', 'hi', 0, 7 ] ],
'{{hi }}' : [ [ 'name', 'hi', 0, 7 ] ],
'{{ hi }}' : [ [ 'name', 'hi', 0, 8 ] ],
'{{{hi}}}' : [ [ '&', 'hi', 0, 8 ] ],
'{{!hi}}' : [ [ '!', 'hi', 0, 7 ] ],
'{{! hi}}' : [ [ '!', 'hi', 0, 8 ] ],
'{{! hi }}' : [ [ '!', 'hi', 0, 9 ] ],
'{{ !hi}}' : [ [ '!', 'hi', 0, 8 ] ],
'{{ ! hi}}' : [ [ '!', 'hi', 0, 9 ] ],
'{{ ! hi }}' : [ [ '!', 'hi', 0, 10 ] ],
'a\n b' : [ [ 'text', 'a\n b', 0, 4 ] ],
'a{{hi}}' : [ [ 'text', 'a', 0, 1 ], [ 'name', 'hi', 1, 7 ] ],
'a {{hi}}' : [ [ 'text', 'a ', 0, 2 ], [ 'name', 'hi', 2, 8 ] ],
' a{{hi}}' : [ [ 'text', ' a', 0, 2 ], [ 'name', 'hi', 2, 8 ] ],
' a {{hi}}' : [ [ 'text', ' a ', 0, 3 ], [ 'name', 'hi', 3, 9 ] ],
'a{{hi}}b' : [ [ 'text', 'a', 0, 1 ], [ 'name', 'hi', 1, 7 ], [ 'text', 'b', 7, 8 ] ],
'a{{hi}} b' : [ [ 'text', 'a', 0, 1 ], [ 'name', 'hi', 1, 7 ], [ 'text', ' b', 7, 9 ] ],
'a{{hi}}b ' : [ [ 'text', 'a', 0, 1 ], [ 'name', 'hi', 1, 7 ], [ 'text', 'b ', 7, 9 ] ],
'a\n{{hi}} b \n' : [ [ 'text', 'a\n', 0, 2 ], [ 'name', 'hi', 2, 8 ], [ 'text', ' b \n', 8, 12 ] ],
'a\n {{hi}} \nb' : [ [ 'text', 'a\n ', 0, 3 ], [ 'name', 'hi', 3, 9 ], [ 'text', ' \nb', 9, 12 ] ],
'a\n {{!hi}} \nb' : [ [ 'text', 'a\n', 0, 2 ], [ '!', 'hi', 3, 10 ], [ 'text', 'b', 12, 13 ] ],
'a\n{{#a}}{{/a}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 2, 8, [], 8 ], [ 'text', 'b', 15, 16 ] ],
'a\n {{#a}}{{/a}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [], 9 ], [ 'text', 'b', 16, 17 ] ],
'a\n {{#a}}{{/a}} \nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [], 9 ], [ 'text', 'b', 17, 18 ] ],
'a\n{{#a}}\n{{/a}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 2, 8, [], 9 ], [ 'text', 'b', 16, 17 ] ],
'a\n {{#a}}\n{{/a}}\nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [], 10 ], [ 'text', 'b', 17, 18 ] ],
'a\n {{#a}}\n{{/a}} \nb' : [ [ 'text', 'a\n', 0, 2 ], [ '#', 'a', 3, 9, [], 10 ], [ 'text', 'b', 18, 19 ] ],
'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 ] ],
'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 ] ],
'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 ] ],
'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 ] ],
'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 ] ],
'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 ] ],
'{{>abc}}' : [ [ '>', 'abc', 0, 8 ] ],
'{{> abc }}' : [ [ '>', 'abc', 0, 10 ] ],
'{{ > abc }}' : [ [ '>', 'abc', 0, 11 ] ],
'{{=<% %>=}}' : [ [ '=', '<% %>', 0, 11 ] ],
'{{= <% %> =}}' : [ [ '=', '<% %>', 0, 13 ] ],
'{{=<% %>=}}<%={{ }}=%>' : [ [ '=', '<% %>', 0, 11 ], [ '=', '{{ }}', 11, 22 ] ],
'{{=<% %>=}}<%hi%>' : [ [ '=', '<% %>', 0, 11 ], [ 'name', 'hi', 11, 17 ] ],
'{{#a}}{{/a}}hi{{#b}}{{/b}}\n' : [ [ '#', 'a', 0, 6, [], 6 ], [ 'text', 'hi', 12, 14 ], [ '#', 'b', 14, 20, [], 20 ], [ 'text', '\n', 26, 27 ] ],
'{{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 ] ],
'{{#foo}}\n {{#a}}\n {{b}}\n {{/a}}\n{{/foo}}\n'
: [ [ '#', 'foo', 0, 8, [ [ '#', 'a', 11, 17, [ [ 'text', ' ', 18, 22 ], [ 'name', 'b', 22, 27 ], [ 'text', '\n', 27, 28 ] ], 30 ] ], 37 ] ]
};
describe('Mustache.parse', function () {
for (var template in expectations) {
(function (template, tokens) {
it('knows how to parse ' + JSON.stringify(template), function () {
assert.deepEqual(Mustache.parse(template), tokens);
});
})(template, expectations[template]);
}
describe('when there is an unclosed tag', function () {
it('throws an error', function () {
assert.throws(function () {
Mustache.parse('My name is {{name');
}, /unclosed tag at 17/i);
});
});
describe('when there is an unclosed section', function () {
it('throws an error', function () {
assert.throws(function () {
Mustache.parse('A list: {{#people}}{{name}}');
}, /unclosed section "people" at 27/i);
});
});
describe('when there is an unopened section', function () {
it('throws an error', function () {
assert.throws(function () {
Mustache.parse('The end of the list! {{/people}}');
}, /unopened section "people" at 21/i);
});
});
describe('when invalid tags are given as an argument', function () {
it('throws an error', function () {
assert.throws(function () {
Mustache.parse('A template <% name %>', [ '<%' ]);
}, /invalid tags/i);
});
});
describe('when the template contains invalid tags', function () {
it('throws an error', function () {
assert.throws(function () {
Mustache.parse('A template {{=<%=}}');
}, /invalid tags/i);
});
});
});