Fixing tests and format

`cargo test` and `cargo fmt --check` pass.

src/book/mod.rs

@@ -202,7 +202,11 @@ impl MDBook {
     }
 
     /// Run the entire build process for a particular [`Renderer`].
-    pub fn execute_build_process(&self, renderer: &dyn Renderer, translation: Option<&str>) -> Result<()> {
+    pub fn execute_build_process(
+        &self,
+        renderer: &dyn Renderer,
+        translation: Option<&str>,
+    ) -> Result<()> {
         let mut preprocessed_book = self.book.clone();
         let mut config = self.config.clone();
         if let Some(translation) = translation {
@@ -228,21 +232,21 @@ impl MDBook {
             build_dir = build_dir.join(translation);
         }
 
-        let mut render_context = RenderContext::new(
-            self.root.clone(),
-            preprocessed_book,
-            config,
-            build_dir,
-        );
+        let mut render_context =
+            RenderContext::new(self.root.clone(), preprocessed_book, config, build_dir);
         render_context
             .chapter_titles
             .extend(preprocess_ctx.chapter_titles.borrow_mut().drain());
 
-        info!("Running the {}{} backend", renderer.name(), if let Some(translation) = translation {
+        info!(
+            "Running the {}{} backend",
+            renderer.name(),
+            if let Some(translation) = translation {
                 format!("[{}]", translation)
             } else {
                 "".to_string()
-        });
+            }
+        );
         renderer
             .render(&render_context)
             .with_context(|| "Rendering failed")

src/config.rs

@@ -772,6 +772,7 @@ mod tests {
             multilingual: true,
             src: PathBuf::from("source"),
             language: Some(String::from("ja")),
+            ..Default::default()
         };
         let build_should_be = BuildConfig {
             build_dir: PathBuf::from("outputs"),

src/renderer/html_handlebars/hbs_renderer.rs

@@ -637,10 +637,7 @@ fn make_data(
         json!(config.book.language.clone().unwrap_or_default()),
     );
     if !config.book.translations.is_empty() {
-        data.insert(
-            "translations".to_owned(),
-            json!(config.book.translations),
-        );
+        data.insert("translations".to_owned(), json!(config.book.translations));
     }
     data.insert(
         "book_title".to_owned(),

tests/init.rs

@@ -29,7 +29,7 @@ fn base_mdbook_init_should_create_default_content() {
     let contents = fs::read_to_string(temp.path().join("book.toml")).unwrap();
     assert_eq!(
         contents,
-        "[book]\nauthors = []\nlanguage = \"en\"\nmultilingual = false\nsrc = \"src\"\n"
+        "[book]\nauthors = []\nlanguage = \"en\"\nmultilingual = false\nsrc = \"src\"\ntranslations = []\n"
     );
 }
 
@@ -96,7 +96,7 @@ fn run_mdbook_init_with_custom_book_and_src_locations() {
     let contents = fs::read_to_string(temp.path().join("book.toml")).unwrap();
     assert_eq!(
         contents,
-        "[book]\nauthors = []\nlanguage = \"en\"\nmultilingual = false\nsrc = \"in\"\n\n[build]\nbuild-dir = \"out\"\ncreate-missing = true\nextra-watch-dirs = []\nuse-default-preprocessors = true\n"
+        "[book]\nauthors = []\nlanguage = \"en\"\nmultilingual = false\nsrc = \"in\"\ntranslations = []\n\n[build]\nbuild-dir = \"out\"\ncreate-missing = true\nextra-watch-dirs = []\nuse-default-preprocessors = true\n"
     );
 }