The example book renders correctly

tests/dummy_book/mod.rs

@@ -114,3 +114,13 @@ fn recursive_copy<A: AsRef<Path>, B: AsRef<Path>>(from: A, to: B) -> Result<()>
 
     Ok(())
 }
+
+pub fn new_copy_of_example_book() -> Result<TempDir> {
+    let temp = TempDir::new("book-example")?;
+    
+    let book_example = Path::new(env!("CARGO_MANIFEST_DIR")).join("book-example");
+
+    recursive_copy(book_example, temp.path())?;
+
+    Ok(temp)
+}

tests/rendered_output.rs

@@ -4,6 +4,7 @@ extern crate pretty_assertions;
 extern crate select;
 extern crate tempdir;
 extern crate walkdir;
+extern crate tempdir;
 
 mod dummy_book;
 
@@ -297,3 +298,13 @@ fn able_to_include_rust_files_in_chapters() {
     ];
     assert_contains_strings(second, playpen_strings);
 }
+
+#[test]
+fn example_book_can_build() {
+   let example_book_dir = dummy_book::new_copy_of_example_book().unwrap();
+
+   let mut md = MDBook::load(example_book_dir.path()).unwrap();
+
+   let got = md.build();
+   assert!(got.is_ok());
+}