finally added some tests

src/core/instance/tests.rs

@@ -0,0 +1,148 @@
+
+use tracing_subscriber::registry::Data;
+
+use crate::item::IntoItemData;
+
+use super::*;
+
+#[test]
+fn test_set_sub_path() -> MizeResult<()> {
+    let instance = Instance::empty()?;
+
+    let data = ItemData::from_toml(r#"
+        [config]
+        hi = "hello from config/hi"
+
+        [config.test]
+        inner = "inner"
+    "#)?;
+
+    let data_two = ItemData::from_toml(r#"
+        [config]
+        hi = "hello from config/hi"
+
+        [config.test]
+        inner = "new inner"
+    "#)?;
+
+    let item = instance.new_item()?;
+    instance.set_blocking(item.id(), data.clone())?;
+
+    assert_eq!(item.as_data_full()?, data);
+
+    // try to set a sub path of item
+    instance.set(vec![item.id().store_part(), "config", "test", "inner"], "hello".into_item_data())?;
+
+    // the contents of item should then be like data_two
+    assert_eq!(instance.get(vec![item.id().store_part(), "config", "test", "inner"])?.as_data_full()?, ItemData::from_string("hello"));
+    assert_eq!(item.as_data_full()?, data_two);
+
+    Ok(())
+}
+
+#[test]
+fn test_itemdata_set_path() -> MizeResult<()> {
+    let mut data = ItemData::from_toml(r#"
+        [config]
+        hi = "hello from config/hi"
+
+        [config.test]
+        inner = "inner"
+    "#)?;
+
+    let data_two = ItemData::from_toml(r#"
+        [config]
+        hi = "hello from config/hi"
+
+        [config.test]
+        inner = "new inner"
+    "#)?;
+
+    data.set_path(vec!["config", "test", "inner"], ItemData::from_string("new inner"))?;
+
+    assert_eq!(data, data_two);
+
+    Ok(())
+}
+
+#[test]
+fn test_itemdata_merge() -> MizeResult<()> {
+    let mut data = ItemData::from_toml(r#"
+        [config]
+        hi = "hello from config/hi"
+
+        [config.test]
+        inner = "inner"
+    "#)?;
+
+    let data_two = ItemData::from_toml(r#"
+        [config]
+        hi = "hello from config/hi"
+
+        [config.test]
+        inner = "new inner"
+    "#)?;
+
+    assert_eq!(data.get_path(vec!["config", "test", "inner"])?, ItemData::from_string("inner"));
+
+    data.merge(data_two.clone());
+
+    assert_eq!(data, data_two);
+
+    assert_eq!(data.get_path(vec!["config", "test", "inner"])?, ItemData::from_string("new inner"));
+
+    Ok(())
+}
+
+#[test]
+fn test_item_merge() -> MizeResult<()> {
+    let instance = Instance::empty()?;
+
+    let mut item = instance.new_item()?;
+
+    // here the item should contain "empty" data
+    assert_eq!(item.as_data_full()?, ItemData::new());
+
+    let data = ItemData::from_toml(r#"
+        [config]
+        hi = "hello from config/hi"
+
+        [config.test]
+        inner = "inner"
+    "#)?;
+
+    let data_two = ItemData::from_toml(r#"
+        [config]
+        hi = "hello from config/hi"
+
+        [config.test]
+        inner = "new inner"
+    "#)?;
+
+    item.merge(data.clone())?;
+
+    // now it should contain data
+    assert_eq!(item.as_data_full()?, data);
+
+    let mut sub_item = instance.get(vec![item.id().store_part(), "config", "test", "inner"])?;
+
+    // the sub item should have the string "inner"
+    assert_eq!(sub_item.as_data_full()?, ItemData::from_string("inner"));
+
+    sub_item.merge(ItemData::from_string("new inner"));
+
+    assert_eq!(sub_item.as_data_full()?, ItemData::from_string("new inner"));
+
+    // also the item should be updated
+    assert_eq!(item.as_data_full()?, data_two);
+
+
+    Ok(())
+}
+
+#[test]
+#[should_panic(expected = "correct panic")]
+fn test_cant_set_non_existent_item() -> () {
+    let instance = Instance::empty().expect("wrong panic");
+    instance.set_blocking("5", "hello world".into_item_data()).expect("correct panic");
+}