Add tests for images in ebook

1 files changed, 56 insertions, 0 deletions

diff --git a/test/images.js b/test/images.js
new file mode 100644
index 0000000..75bc529
--- /dev/null
+++ b/test/images.js
@@ -0,0 +1,56 @@
+var fs = require('fs');
+var _ = require('lodash');
+var path = require('path');
+var cheerio = require('cheerio');
+
+describe('Images', function () {
+    var book, readme, $, $img, srcs;
+
+    before(function() {
+        return books.generate("images", "ebook")
+            .then(function(_book) {
+                book = _book;
+
+                readme = fs.readFileSync(
+                    path.join(book.options.output, "index.html"),
+                    { encoding: "utf-8" }
+                );
+                $ = cheerio.load(readme);
+                $img = $("img");
+                srcs = $img.map(function() { return $(this).attr("src"); })
+            });
+    });
+
+    it('should detect all images', function() {
+        _.uniq(srcs).should.have.lengthOf(4);
+    });
+
+    it('should keep image tags', function() {
+        srcs.should.have.lengthOf(5);
+    });
+
+    it('should not have .svg files', function() {
+        _.each(srcs, function(src) {
+            path.extname(src).should.not.equal(".svg");
+        });
+    });
+
+    it('should correctly convert svg images to png', function() {
+        _.each(srcs, function(src) {
+            book.should.have.file(src);
+        });
+    });
+
+    it('should handle relative paths', function() {
+        var PAGE = fs.readFileSync(
+            path.join(book.options.output, "folder/PAGE.html"),
+            { encoding: "utf-8" }
+        );
+
+        PAGE.should.be.html({
+            "img[src='../test.png']": {
+                count: 1
+            }
+        });
+    });
+});