Add parse.navigation module

With tests

1 files changed, 46 insertions, 0 deletions

diff --git a/test/navigation.js b/test/navigation.js
new file mode 100644
index 0000000..d34c12a
--- /dev/null
+++ b/test/navigation.js
@@ -0,0 +1,46 @@
+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/ARTICLE1.html',
+            'chapter-1/ARTICLE2.html'
+        ]);
+
+        // Make sure it found the files we gave it
+        assert(nav['README.html']);
+        assert(nav['chapter-1/ARTICLE1.html']);
+        assert(nav['chapter-1/ARTICLE2.html']);
+
+        assert.equal(nav['README.html'].prev, null);
+        assert.equal(nav['README.html'].next.path, 'chapter-1/README.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');
+    });
+
+    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']);
+    });
+});