Add JSON

1 files changed, 170 insertions, 0 deletions

diff --git a/tests/get.rs b/tests/get.rs
new file mode 100644
index 0000000..1c98643
--- /dev/null
+++ b/tests/get.rs
@@ -0,0 +1,170 @@
+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,
+    rating: Option<f32>,
+}
+
+#[derive(Debug, Deserialize)]
+struct Settings {
+    debug: f64,
+    production: Option<String>,
+    place: Place,
+}
+
+fn make() -> Config {
+    let mut c = Config::default();
+    c.merge(File::new("tests/Settings", FileFormat::Toml))
+        .unwrap();
+
+    c
+}
+
+#[test]
+fn test_scalar() {
+    let c = make();
+
+    assert_eq!(c.get("debug").ok(), Some(true));
+    assert_eq!(c.get("production").ok(), Some(false));
+}
+
+#[test]
+fn test_scalar_type_loose() {
+    let c = make();
+
+    assert_eq!(c.get("debug").ok(), Some(true));
+    assert_eq!(c.get("debug").ok(), Some("true".to_string()));
+    assert_eq!(c.get("debug").ok(), Some(1));
+    assert_eq!(c.get("debug").ok(), Some(1.0));
+
+    assert_eq!(c.get("debug_s").ok(), Some(true));
+    assert_eq!(c.get("debug_s").ok(), Some("true".to_string()));
+    assert_eq!(c.get("debug_s").ok(), Some(1));
+    assert_eq!(c.get("debug_s").ok(), Some(1.0));
+
+    assert_eq!(c.get("production").ok(), Some(false));
+    assert_eq!(c.get("production").ok(), Some("false".to_string()));
+    assert_eq!(c.get("production").ok(), Some(0));
+    assert_eq!(c.get("production").ok(), Some(0.0));
+
+    assert_eq!(c.get("production_s").ok(), Some(false));
+    assert_eq!(c.get("production_s").ok(), Some("false".to_string()));
+    assert_eq!(c.get("production_s").ok(), Some(0));
+    assert_eq!(c.get("production_s").ok(), Some(0.0));
+}
+
+#[test]
+fn test_get_scalar_path() {
+    let c = make();
+
+    assert_eq!(c.get("place.favorite").ok(), Some(false));
+    assert_eq!(c.get("place.creator.name").ok(), Some("John Smith".to_string()));
+}
+
+#[test]
+fn test_map() {
+    let c = make();
+    let m: HashMap<String, Value> = c.get("place").unwrap();
+
+    assert_eq!(m.len(), 7);
+    assert_eq!(m["name"].clone().into_str().unwrap(), "Torre di Pisa".to_string());
+    assert_eq!(m["reviews"].clone().into_int().unwrap(), 3866);
+}
+
+#[test]
+fn test_map_str() {
+    let c = make();
+    let m: HashMap<String, String> = c.get("place.creator").unwrap();
+
+    assert_eq!(m.len(), 1);
+    assert_eq!(m["name"], "John Smith".to_string());
+}
+
+#[test]
+fn test_map_struct() {
+    #[derive(Debug, Deserialize)]
+    struct Settings {
+        place: HashMap<String, Value>,
+    }
+
+    let c = make();
+    let s: Settings = c.deserialize().unwrap();
+
+    assert_eq!(s.place.len(), 7);
+    assert_eq!(s.place["name"].clone().into_str().unwrap(), "Torre di Pisa".to_string());
+    assert_eq!(s.place["reviews"].clone().into_int().unwrap(), 3866);
+}
+
+#[test]
+fn test_file_struct() {
+    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);
+}
+
+#[test]
+fn test_scalar_struct() {
+    let c = make();
+
+    // Deserialize a scalar struct that has lots of different
+    // data types
+    let p: Place = c.get("place").unwrap();
+
+    assert_eq!(p.name, "Torre di Pisa");
+    assert!(p.longitude.approx_eq_ulps(&43.7224985, 2));
+    assert!(p.latitude.approx_eq_ulps(&10.3970522, 2));
+    assert_eq!(p.favorite, false);
+    assert_eq!(p.reviews, 3866);
+    assert_eq!(p.rating, Some(4.5));
+    assert_eq!(p.telephone, None);
+}
+
+#[test]
+fn test_array_scalar() {
+    let c = make();
+    let arr: Vec<i64> = c.get("arr").unwrap();
+
+    assert_eq!(arr.len(), 10);
+    assert_eq!(arr[3], 4);
+}
+
+#[test]
+fn test_struct_array() {
+    #[derive(Debug, Deserialize)]
+    struct Settings {
+        #[serde(rename = "arr")]
+        elements: Vec<String>,
+    }
+
+    let c = make();
+    let s: Settings = c.deserialize().unwrap();
+
+    assert_eq!(s.elements.len(), 10);
+    assert_eq!(s.elements[3], "4".to_string());
+}