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var fs = require('fs');
var path = require('path');
var assert = require('assert');
var summary = require('../').parse.summary;
var navigation = require('../').parse.navigation;
var CONTENT = fs.readFileSync(path.join(__dirname, './fixtures/SUMMARY.md'), 'utf8');
var LEXED = summary(CONTENT);
describe('Summary navigation', function() {
it('should provide next & prev entries for a file', function() {
var nav = navigation(LEXED, [
'README.html',
'chapter-1/README.html',
'chapter-1/ARTICLE1.html',
'chapter-1/ARTICLE2.html',
'chapter-2/README.html',
]);
// Make sure it found the files we gave it
assert(nav['README.html']);
assert(nav['chapter-1/README.html']);
assert(nav['chapter-1/ARTICLE1.html']);
assert(nav['chapter-1/ARTICLE2.html']);
assert(nav['chapter-2/README.html']);
assert.equal(nav['README.html'].prev, null);
assert.equal(nav['README.html'].next.path, 'chapter-1/README.html');
assert.equal(nav['chapter-1/README.html'].prev, null);
assert.equal(nav['chapter-1/README.html'].next.path, 'chapter-1/ARTICLE1.html');
assert.equal(nav['chapter-1/ARTICLE1.html'].prev.path, 'chapter-1/README.html');
assert.equal(nav['chapter-1/ARTICLE1.html'].next.path, 'chapter-1/ARTICLE2.html');
assert.equal(nav['chapter-1/ARTICLE2.html'].prev.path, 'chapter-1/ARTICLE1.html');
assert.equal(nav['chapter-1/ARTICLE2.html'].next.path, 'chapter-2/README.html');
assert.equal(nav['chapter-2/README.html'].prev.path, 'chapter-1/ARTICLE2.html');
assert.equal(nav['chapter-2/README.html'].next.path, 'chapter-3/README.html');
});
it('should give full tree, when not limited', function() {
var nav = navigation(LEXED);
assert(nav['README.html']);
assert(nav['chapter-1/README.html']);
assert(nav['chapter-1/ARTICLE1.html']);
assert(nav['chapter-1/ARTICLE2.html']);
assert(nav['chapter-2/README.html']);
assert(nav['chapter-3/README.html']);
});
});
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