feat: init

libraries/native_model/tests/example/encode_decode/bincode.rs

@@ -0,0 +1,34 @@
+use bincode;
+use bincode::{Decode, Encode};
+
+fn native_model_encode_body<T: bincode::Encode>(
+    model: &T,
+) -> Result<Vec<u8>, bincode::error::EncodeError> {
+    {
+        bincode::encode_to_vec(model, bincode::config::standard())
+    }
+}
+
+fn native_model_decode_body<T: bincode::Decode>(
+    data: Vec<u8>,
+) -> Result<T, bincode::error::DecodeError> {
+    {
+        bincode::decode_from_slice(&data, bincode::config::standard()).map(|(result, _)| result)
+    }
+}
+
+use native_model_macro::native_model;
+
+#[derive(Encode, Decode, PartialEq, Debug)]
+#[native_model(id = 1, version = 1)]
+struct DotV1(u32, u32);
+
+#[test]
+fn test_bincode_encode_decode() {
+    // Application 1
+    let dot = DotV1(1, 2);
+    let bytes = native_model::encode(&dot).unwrap();
+    // Application 1
+    let (dot, _) = native_model::decode::<DotV1>(bytes).unwrap();
+    assert_eq!(dot, DotV1(1, 2));
+}

libraries/native_model/tests/example/encode_decode/bincode_serde.rs

@@ -0,0 +1,34 @@
+use bincode;
+use serde::{Deserialize, Serialize};
+
+fn native_model_encode_body<T: Serialize>(
+    model: &T,
+) -> Result<Vec<u8>, bincode::error::EncodeError> {
+    {
+        bincode::serde::encode_to_vec(model, bincode::config::standard())
+    }
+}
+
+fn native_model_decode_body<T: for<'a> Deserialize<'a>>(
+    data: Vec<u8>,
+) -> Result<T, bincode::error::DecodeError> {
+    {
+        Ok(bincode::serde::decode_from_slice(&data, bincode::config::standard())?.0)
+    }
+}
+
+use native_model_macro::native_model;
+
+#[derive(Serialize, Deserialize, PartialEq, Debug)]
+#[native_model(id = 1, version = 1)]
+struct DotV1(u32, u32);
+
+#[test]
+fn test_bincode_serde_serialize_deserialize() {
+    // Application 1
+    let dot = DotV1(1, 2);
+    let bytes = native_model::encode(&dot).unwrap();
+    // Application 1
+    let (dot, _) = native_model::decode::<DotV1>(bytes).unwrap();
+    assert_eq!(dot, DotV1(1, 2));
+}

libraries/native_model/tests/example/encode_decode/mod.rs

@@ -0,0 +1,2 @@
+mod bincode;
+mod bincode_serde;

libraries/native_model/tests/example/example_define_model.rs

@@ -0,0 +1,104 @@
+use bincode::{config, Decode, Encode};
+use native_model_macro::native_model;
+
+#[allow(dead_code)]
+fn native_model_encode_body<T: Encode>(obj: &T) -> Result<Vec<u8>, bincode::error::EncodeError> {
+    bincode::encode_to_vec(obj, config::standard())
+}
+
+#[allow(dead_code)]
+fn native_model_decode_body<T: Decode>(data: Vec<u8>) -> Result<T, bincode::error::DecodeError> {
+    bincode::decode_from_slice(&data, config::standard()).map(|(result, _)| result)
+}
+
+#[derive(Encode, Decode, PartialEq, Debug)]
+#[native_model(id = 1, version = 1)]
+struct DotV1(u32, u32);
+
+#[derive(Encode, Decode, PartialEq, Debug)]
+#[native_model(id = 1, version = 2, from = DotV1)]
+struct DotV2 {
+    name: String,
+    x: u64,
+    y: u64,
+}
+
+impl From<DotV1> for DotV2 {
+    fn from(dot: DotV1) -> Self {
+        DotV2 {
+            name: "".to_string(),
+            x: dot.0 as u64,
+            y: dot.1 as u64,
+        }
+    }
+}
+
+impl From<DotV2> for DotV1 {
+    fn from(dot: DotV2) -> Self {
+        DotV1(dot.x as u32, dot.y as u32)
+    }
+}
+
+#[derive(Encode, Decode, PartialEq, Debug)]
+#[native_model(id = 1, version = 3, try_from = (DotV2, anyhow::Error))]
+struct DotV3 {
+    name: String,
+    cord: Cord,
+}
+
+#[derive(Encode, Decode, PartialEq, Debug)]
+struct Cord {
+    x: u64,
+    y: u64,
+}
+
+impl TryFrom<DotV2> for DotV3 {
+    type Error = anyhow::Error;
+
+    fn try_from(dot: DotV2) -> Result<Self, Self::Error> {
+        Ok(DotV3 {
+            name: dot.name,
+            cord: Cord { x: dot.x, y: dot.y },
+        })
+    }
+}
+
+impl TryFrom<DotV3> for DotV2 {
+    type Error = anyhow::Error;
+
+    fn try_from(dot: DotV3) -> Result<Self, Self::Error> {
+        Ok(DotV2 {
+            name: dot.name,
+            x: dot.cord.x,
+            y: dot.cord.y,
+        })
+    }
+}
+
+#[test]
+fn simple_test() {
+    let dot = DotV1(1, 2);
+    let bytes = native_model::encode(&dot).unwrap();
+
+    let (dot_decoded, _) = native_model::decode::<DotV1>(bytes.clone()).unwrap();
+    assert_eq!(dot, dot_decoded);
+
+    let (dot_decoded, _) = native_model::decode::<DotV2>(bytes.clone()).unwrap();
+    assert_eq!(
+        DotV2 {
+            name: "".to_string(),
+            x: 1,
+            y: 2
+        },
+        dot_decoded
+    );
+
+    let (dot_decoded, _) = native_model::decode::<DotV3>(bytes.clone()).unwrap();
+    assert_eq!(
+        DotV3 {
+            name: "".to_string(),
+            cord: Cord { x: 1, y: 2 }
+        },
+        dot_decoded
+    );
+}

libraries/native_model/tests/example/example_main.rs

@@ -0,0 +1,70 @@
+use bincode;
+use bincode::{Decode, Encode};
+use native_model::native_model;
+
+fn native_model_encode_body<T: bincode::Encode>(
+    model: &T,
+) -> Result<Vec<u8>, bincode::error::EncodeError> {
+    {
+        bincode::encode_to_vec(model, bincode::config::standard())
+    }
+}
+
+fn native_model_decode_body<T: bincode::Decode>(
+    data: Vec<u8>,
+) -> Result<T, bincode::error::DecodeError> {
+    {
+        bincode::decode_from_slice(&data, bincode::config::standard()).map(|(result, _)| result)
+    }
+}
+
+#[derive(Encode, Decode, PartialEq, Debug)]
+#[native_model(id = 1, version = 1)]
+struct DotV1(u32, u32);
+
+#[derive(Encode, Decode, PartialEq, Debug)]
+#[native_model(id = 1, version = 2, from = DotV1)]
+struct DotV2 {
+    name: String,
+    x: u64,
+    y: u64,
+}
+
+impl From<DotV1> for DotV2 {
+    fn from(dot: DotV1) -> Self {
+        DotV2 {
+            name: "".to_string(),
+            x: dot.0 as u64,
+            y: dot.1 as u64,
+        }
+    }
+}
+
+impl From<DotV2> for DotV1 {
+    fn from(dot: DotV2) -> Self {
+        DotV1(dot.x as u32, dot.y as u32)
+    }
+}
+
+#[test]
+fn run_example() {
+    // Application 1
+    let dot = DotV1(1, 2);
+    let bytes = native_model::encode(&dot).unwrap();
+
+    // Application 1 sends bytes to Application 2.
+
+    // Application 2
+    let (mut dot, source_version) = native_model::decode::<DotV2>(bytes).unwrap();
+    // Use the struct DataV2 which has more fields and a different structure.
+    dot.name = "Dot".to_string();
+    dot.x = 5;
+    // Encode the dot with the application 1 version in order to be compatible with it.
+    let bytes = native_model::encode_downgrade(dot, source_version).unwrap();
+
+    // Application 2 sends bytes to Application 1.
+
+    // Application 1
+    let (dot, _) = native_model::decode::<DotV1>(bytes).unwrap();
+    assert_eq!(dot, DotV1(5, 2));
+}

libraries/native_model/tests/example/mod.rs

@@ -0,0 +1,3 @@
+mod encode_decode;
+mod example_define_model;
+mod example_main;