Bootstrap solution

1 files changed, 36 insertions, 0 deletions

diff --git a/tests/defaults.rs b/tests/defaults.rs
new file mode 100644
index 0000000..b00da29
--- /dev/null
+++ b/tests/defaults.rs
@@ -0,0 +1,36 @@
+extern crate config;
+
+#[macro_use]
+extern crate serde_derive;
+
+use config::*;
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Settings {
+    pub db_host: String,
+}
+
+impl Default for Settings {
+    fn default() -> Self {
+        Settings {
+            db_host: String::from("default"),
+        }
+    }
+}
+
+#[test]
+fn set_defaults() {
+    let mut c = Config::new();
+    c.set_defaults(&Settings::default())
+        .expect("Setting defaults failed");
+    let s: Settings = c.try_into().expect("Deserialization failed");
+
+    assert_eq!(s.db_host, "default");
+}
+
+#[test]
+fn try_from_defaults() {
+    let c = Config::try_from(&Settings::default()).expect("Serialization failed");
+    let s: Settings = c.try_into().expect("Deserialization failed");
+    assert_eq!(s.db_host, "default");
+}