Add toml parse test

Author: Coi-l

src/cmd/shelf.rs

@@ -186,3 +186,36 @@ pub fn execute(_args: &ArgMatches) -> Result<()> {
 
     Ok(())
 }
+
+#[test]
+fn test_parse_toml() {
+    let toml = r#"
+root_url_prefix = "myprefix"
+
+[[book]]
+git_url = "firsturl"
+git_ref = "shelf"
+path = "guide"
+
+[[book]]
+git_url = "secondurl"
+
+[[book]]
+path = "../test_book"
+"#;
+    let cfg: Shelf = toml::from_str(&toml).unwrap();
+    assert_eq!(cfg.root_url_prefix.unwrap(), "myprefix");
+
+    let book = &cfg.book[0];
+    assert_eq!(book.git_url.clone().unwrap(), "firsturl");
+    assert_eq!(book.git_ref.clone().unwrap(), "shelf");
+    assert_eq!(book.path.clone().unwrap(), "guide");
+
+    let book = &cfg.book[1];
+    assert_eq!(book.git_url.clone().unwrap(), "secondurl");
+    assert!(book.git_ref.is_none());
+    assert!(book.path.is_none());
+
+    let book = &cfg.book[2];
+    assert_eq!(book.path.clone().unwrap(), "../test_book");
+}