Add basic tests for json generator

lib/modifiers/summary/indexArticleLevels.js

@@ -8,7 +8,7 @@
 */
 function indexArticleLevels(article, baseLevel) {
     baseLevel = baseLevel || article.getLevel();
-    var articles = article.getArticle();
+    var articles = article.getArticles();
 
     articles = articles.map(function(inner, i) {
         return indexArticleLevels(inner, baseLevel + '.' + (i + 1));

lib/modifiers/summary/indexPartLevels.js

@@ -9,7 +9,7 @@ var indexArticleLevels = require('./indexArticleLevels');
 */
 function indexPartLevels(part, index) {
     var baseLevel = String(index + 1);
-    var articles = part.getArticle();
+    var articles = part.getArticles();
 
     articles = articles.map(function(inner, i) {
         return indexArticleLevels(inner, baseLevel + '.' + (i + 1));

lib/modifiers/summary/unshiftArticle.js

@@ -18,6 +18,7 @@ function unshiftArticle(summary, article) {
 
     var articles = part.getArticles();
     articles = articles.unshift(article);
+    part = part.set('articles', articles);
 
     parts = parts.set(0, part);
     summary = summary.set('parts', parts);

lib/output/__tests__/json.js

@@ -0,0 +1,29 @@
+var generateMock = require('../generateMock');
+var JSONGenerator = require('../json');
+
+describe('JSONGenerator', function() {
+
+    pit('should generate a README.json', function() {
+        return generateMock(JSONGenerator, {
+            'README.md': 'Hello World'
+        })
+        .then(function(folder) {
+            expect(folder).toHaveFile('README.json');
+        });
+    });
+
+    pit('should generate a json file for each articles', function() {
+        return generateMock(JSONGenerator, {
+            'README.md': 'Hello World',
+            'SUMMARY.md': '# Summary\n\n* [Page](test/page.md)',
+            'test': {
+                'page.md': 'Hello 2'
+            }
+        })
+        .then(function(folder) {
+            expect(folder).toHaveFile('README.json');
+            expect(folder).toHaveFile('test/page.json');
+        });
+    });
+});
+

lib/output/generateMock.js

@@ -0,0 +1,33 @@
+var tmp = require('tmp');
+
+var Book = require('../models/book');
+var createMockFS = require('../fs/mock');
+var parseBook = require('../parse/parseBook');
+var generateBook = require('./generateBook');
+
+
+/**
+    Generate a book using JSON generator
+    And returns the path to the output dir.
+
+    FOR TESTING PURPOSE ONLY
+
+    @param {Generator}
+    @param {Map<String:String|Map>} files
+    @return {Promise<String>}
+*/
+function generateMock(Generator, files) {
+    var fs = createMockFS(files);
+    var book = Book.createForFS(fs);
+    var dir = tmp.dirSync();
+
+    return parseBook(book)
+    .then(function(resultBook) {
+        return generateBook(Generator, resultBook, {
+            root: dir.name
+        });
+    })
+    .thenResolve(dir.name);
+}
+
+module.exports = generateMock;

lib/output/getModifiers.js

@@ -11,7 +11,7 @@ var CODEBLOCK = 'code';
     Return default modifier to prepare a page for
     rendering.
 
-    @return <Array>
+    @return {Array<Modifier>}
 */
 function getModifiers(output, page) {
     var book = output.getBook();

lib/parse/parseSummary.js

@@ -16,13 +16,15 @@ function parseSummary(book) {
 
     return parseStructureFile(book, 'summary')
     .spread(function(file, result) {
+        var summary;
+
         if (!file) {
             logger.warn.ln('no summary file in this book');
-            return book;
+            summary = Summary();
+        } else {
+            logger.debug.ln('summary file found at', file.getPath());
+            summary = Summary.createFromParts(file, result.parts);
         }
-        logger.debug.ln('summary file found at', file.getPath());
-
-        var summary = Summary.createFromParts(file, result.parts);
 
         // Insert readme as first entry
         var firstArticle = summary.getFirstArticle();