Uri new now returns an option

src/uri.rs

@@ -12,11 +12,19 @@ pub struct Uri {
 }
 
 impl Uri {
-    pub fn new<T: Into<Vec<u8>>>(uri_string: T) -> Uri {
+    /// Parses a string containing a MongoDB style URI connection string.
+    ///
+    /// Returns None if the uri is not in the correct format, there is no
+    /// further information available if this is not the case.
+    ///
+    /// See: http://api.mongodb.org/c/current/mongoc_uri_new.html
+    pub fn new<T: Into<Vec<u8>>>(uri_string: T) -> Option<Uri> {
         let uri_cstring = CString::new(uri_string).unwrap();
         let uri = unsafe { bindings::mongoc_uri_new(uri_cstring.as_ptr()) };
-        Uri {
-            inner: uri
+        if uri.is_null() {
+            None
+        } else {
+            Some(Uri { inner: uri })
         }
     }
 
@@ -46,7 +54,7 @@ impl fmt::Debug for Uri {
 
 impl Clone for Uri {
     fn clone(&self) -> Uri {
-        Uri::new(self.as_str().into_owned())
+        Uri::new(self.as_str().into_owned()).unwrap()
     }
 }
 

tests/client.rs

@@ -6,7 +6,7 @@ use mongo_driver::client::{ClientPool,SslOptions};
 
 #[test]
 fn test_new_pool_and_pop_client() {
-    let uri = Uri::new("mongodb://localhost:27017/");
+    let uri = Uri::new("mongodb://localhost:27017/").unwrap();
     let pool = ClientPool::new(uri, None);
 
     // Pop a client and get a database and collection
@@ -22,7 +22,7 @@ fn test_new_pool_and_pop_client() {
 
 #[test]
 fn test_new_pool_and_pop_client_in_threads() {
-    let uri = Uri::new("mongodb://localhost:27017/");
+    let uri = Uri::new("mongodb://localhost:27017/").unwrap();
     let pool = ClientPool::new(uri, None);
 
     let pool1 = pool.clone();
@@ -43,7 +43,7 @@ fn test_new_pool_and_pop_client_in_threads() {
 
 #[test]
 fn test_get_server_status() {
-    let uri = Uri::new("mongodb://localhost:27017/");
+    let uri = Uri::new("mongodb://localhost:27017/").unwrap();
     let pool = ClientPool::new(uri, None);
     let client = pool.pop();
 
@@ -56,7 +56,7 @@ fn test_get_server_status() {
 #[test]
 fn test_new_pool_with_ssl_options() {
     // We currently have no way to test full operations
-    let uri = Uri::new("mongodb://localhost:27017/");
+    let uri = Uri::new("mongodb://localhost:27017/").unwrap();
     let ssl_options = SslOptions::new(
         Some(PathBuf::from("./README.md")),
         Some("password".to_string()),

tests/collection.rs

@@ -7,7 +7,7 @@ use mongo_driver::flags;
 
 #[test]
 fn test_command() {
-    let uri      = Uri::new("mongodb://localhost:27017/");
+    let uri      = Uri::new("mongodb://localhost:27017/").unwrap();
     let pool     = ClientPool::new(uri, None);
     let client   = pool.pop();
     let collection = client.get_collection("rust_driver_test", "items");
@@ -20,7 +20,7 @@ fn test_command() {
 
 #[test]
 fn test_mutation_and_finding() {
-    let uri        = Uri::new("mongodb://localhost:27017/");
+    let uri        = Uri::new("mongodb://localhost:27017/").unwrap();
     let pool       = ClientPool::new(uri, None);
     let client     = pool.pop();
     let mut collection = client.get_collection("rust_driver_test", "items");
@@ -110,7 +110,7 @@ fn test_mutation_and_finding() {
 
 #[test]
 fn test_insert_failure() {
-    let uri        = Uri::new("mongodb://localhost:27018/"); // There should be no mongo server here
+    let uri        = Uri::new("mongodb://localhost:27018/").unwrap(); // There should be no mongo server here
     let pool       = ClientPool::new(uri, None);
     let client     = pool.pop();
     let collection = client.get_collection("rust_driver_test", "items");

tests/uri.rs

@@ -7,4 +7,9 @@ mod tests {
         let uri = Uri::new("mongodb://localhost:27017/");
         assert_eq!("mongodb://localhost:27017/", uri.as_str());
     }
+
+    #[test]
+    fn test_new_invalid_uri() {
+        assert!(Uri::new("@:/mongo::").is_none());
+    }
 }