Add test for navigation in summary

3 files changed, 148 insertions, 5 deletions

diff --git a/test/git.js b/test/git.js
index 8667b07..9fd7490 100644
--- a/test/git.js
+++ b/test/git.js
@@ -10,14 +10,14 @@ describe('Git', function() {
 
         it('should correctly validate git urls', function() {
             // HTTPS
-            Git.isUrl('git+https://github.com/Hello/world.git').should.be.ok;
+            Git.isUrl('git+https://github.com/Hello/world.git').should.be.ok();
 
             // SSH
             Git.isUrl('git+git@github.com:GitbookIO/gitbook.git/directory/README.md#e1594cde2c32e4ff48f6c4eff3d3d461743d74e1').should.be.ok;
 
             // Non valid
-            Git.isUrl('https://github.com/Hello/world.git').should.not.be.ok;
-            Git.isUrl('README.md').should.not.be.ok;
+            Git.isUrl('https://github.com/Hello/world.git').should.not.be.ok();
+            Git.isUrl('README.md').should.not.be.ok();
         });
 
         it('should parse HTTPS urls', function() {
diff --git a/test/parse.js b/test/parse.js
index e190107..63565ee 100644
--- a/test/parse.js
+++ b/test/parse.js
@@ -1,12 +1,12 @@
 var mock = require('./mock');
 
 describe('Parsing', function() {
-    it('should fail without SUMMARY', function() {
+    it('should not fail without SUMMARY', function() {
         return mock.setupBook({
             'README.md': ''
         })
         .then(function(book) {
-            return book.parse().should.be.rejected;
+            return book.parse().should.be.fulfilled();
         });
     });
 
diff --git a/test/summary.js b/test/summary.js
index 2744c43..a9aea5d 100644
--- a/test/summary.js
+++ b/test/summary.js
@@ -1,3 +1,5 @@
+var should = require('should');
+
 var mock = require('./mock');
 
 describe('Summary / Table of contents', function() {
@@ -36,5 +38,146 @@ describe('Summary / Table of contents', function() {
             book.summary.count().should.equal(3);
         });
     });
+
+    describe('External', function() {
+        var book;
+
+        before(function() {
+            return mock.setupDefaultBook({}, [
+                {
+                    title: 'Google',
+                    path: 'https://www.google.fr'
+                }
+            ])
+            .then(function(_book) {
+                book = _book;
+                return book.summary.load();
+            });
+        });
+
+        it('should correctly count articles', function() {
+            book.summary.count().should.equal(2);
+        });
+
+        it('should correctly signal it as external', function() {
+            var article = book.summary.getArticleByLevel('1');
+
+            should(article).be.ok();
+            should(article.path).not.be.ok();
+
+            article.title.should.equal('Google');
+            article.ref.should.equal('https:/www.google.fr');
+            article.isExternal().should.be.ok;
+        });
+    });
+
+    describe('Next / Previous', function() {
+        var book;
+
+        before(function() {
+            return mock.setupDefaultBook({
+                'SUMMARY.md': '# Summary\n\n' +
+                    '* [Hello](hello.md)\n' +
+                    '* [Hello 2](hello2.md)\n' +
+                    '    * [Hello 3](hello3.md)\n' +
+                    '    * [Hello 4](hello4.md)\n' +
+                    '    * [Hello 5](hello5.md)\n' +
+                    '* [Hello 6](hello6.md)\n'
+            })
+            .then(function(_book) {
+                book = _book;
+                return book.summary.load();
+            });
+        });
+
+        it('should only return a next for the readme', function() {
+            var article = book.summary.getArticle('README.md');
+
+            var prev = article.prev();
+            var next = article.next();
+
+            should(prev).equal(null);
+            should(next).be.ok();
+
+            next.path.should.equal('hello.md');
+        });
+
+        it('should return next/prev for a first level page', function() {
+            var article = book.summary.getArticle('hello.md');
+
+            var prev = article.prev();
+            var next = article.next();
+
+            should(prev).be.ok();
+            should(next).be.ok();
+
+            prev.path.should.equal('README.md');
+            next.path.should.equal('hello2.md');
+        });
+
+        it('should return next/prev for a joint -> child', function() {
+            var article = book.summary.getArticle('hello2.md');
+
+            var prev = article.prev();
+            var next = article.next();
+
+            should(prev).be.ok();
+            should(next).be.ok();
+
+            prev.path.should.equal('hello.md');
+            next.path.should.equal('hello3.md');
+        });
+
+        it('should return next/prev for a joint <- child', function() {
+            var article = book.summary.getArticle('hello3.md');
+
+            var prev = article.prev();
+            var next = article.next();
+
+            should(prev).be.ok();
+            should(next).be.ok();
+
+            prev.path.should.equal('hello2.md');
+            next.path.should.equal('hello4.md');
+        });
+
+        it('should return next/prev for a children', function() {
+            var article = book.summary.getArticle('hello4.md');
+
+            var prev = article.prev();
+            var next = article.next();
+
+            should(prev).be.ok();
+            should(next).be.ok();
+
+            prev.path.should.equal('hello3.md');
+            next.path.should.equal('hello5.md');
+        });
+
+        it('should return next/prev for a joint -> parent', function() {
+            var article = book.summary.getArticle('hello5.md');
+
+            var prev = article.prev();
+            var next = article.next();
+
+            should(prev).be.ok();
+            should(next).be.ok();
+
+            prev.path.should.equal('hello4.md');
+            next.path.should.equal('hello6.md');
+        });
+
+        it('should return prev for last', function() {
+            var article = book.summary.getArticle('hello6.md');
+
+            var prev = article.prev();
+            var next = article.next();
+
+            should(prev).be.ok();
+            should(next).be.not.ok();
+
+            prev.path.should.equal('hello5.md');
+        });
+    });
 });