Add YAML

3 files changed, 85 insertions, 0 deletions

diff --git a/tests/Settings-invalid.yaml b/tests/Settings-invalid.yaml
new file mode 100644
index 0000000..070ff1b
--- /dev/null
+++ b/tests/Settings-invalid.yaml
@@ -0,0 +1,2 @@
+ok: true
+error false
diff --git a/tests/Settings.yaml b/tests/Settings.yaml
new file mode 100644
index 0000000..c92fcb0
--- /dev/null
+++ b/tests/Settings.yaml
@@ -0,0 +1,12 @@
+debug: true
+production: false
+arr: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+place:
+  name: Torre di Pisa
+  longitude: 43.7224985
+  latitude: 10.3970522
+  favorite: false
+  reviews: 3866
+  rating: 4.5
+  creator:
+    name: John Smith
diff --git a/tests/file_yaml.rs b/tests/file_yaml.rs
new file mode 100644
index 0000000..4ca5557
--- /dev/null
+++ b/tests/file_yaml.rs
@@ -0,0 +1,71 @@
+extern crate config;
+extern crate serde;
+extern crate float_cmp;
+
+#[macro_use]
+extern crate serde_derive;
+
+use std::collections::HashMap;
+use float_cmp::ApproxEqUlps;
+use config::*;
+
+#[derive(Debug, Deserialize)]
+struct Place {
+    name: String,
+    longitude: f64,
+    latitude: f64,
+    favorite: bool,
+    telephone: Option<String>,
+    reviews: u64,
+    creator: HashMap<String, Value>,
+    rating: Option<f32>,
+}
+
+#[derive(Debug, Deserialize)]
+struct Settings {
+    debug: f64,
+    production: Option<String>,
+    place: Place,
+    #[serde(rename = "arr")]
+    elements: Vec<String>,
+}
+
+fn make() -> Config {
+    let mut c = Config::default();
+    c.merge(File::new("tests/Settings", FileFormat::Yaml))
+        .unwrap();
+
+    c
+}
+
+#[test]
+fn test_file() {
+    let c = make();
+
+    // Deserialize the entire file as single struct
+    let s: Settings = c.deserialize().unwrap();
+
+    assert!(s.debug.approx_eq_ulps(&1.0, 2));
+    assert_eq!(s.production, Some("false".to_string()));
+    assert_eq!(s.place.name, "Torre di Pisa");
+    assert!(s.place.longitude.approx_eq_ulps(&43.7224985, 2));
+    assert!(s.place.latitude.approx_eq_ulps(&10.3970522, 2));
+    assert_eq!(s.place.favorite, false);
+    assert_eq!(s.place.reviews, 3866);
+    assert_eq!(s.place.rating, Some(4.5));
+    assert_eq!(s.place.telephone, None);
+    assert_eq!(s.elements.len(), 10);
+    assert_eq!(s.elements[3], "4".to_string());
+    assert_eq!(s.place.creator["name"].clone().into_str().unwrap(), "John Smith".to_string());
+}
+
+#[test]
+fn test_error_parse() {
+    let mut c = Config::default();
+    let res = c.merge(File::new("tests/Settings-invalid", FileFormat::Yaml));
+
+    assert!(res.is_err());
+    assert_eq!(res.unwrap_err().to_string(),
+               "while parsing a block mapping, did not find expected key at line 2 column 1 in tests/Settings-invalid.yaml"
+                   .to_string());
+}