Use test-utils for all zkvms (#88)

tests/zisk/basic/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "ere-test-zisk-guest"
+version = "0.1.0"
+edition = "2021"
+
+[workspace]
+
+[dependencies]
+bincode = "1.3.3"
+ziskos = { git = "https://github.com/0xPolygonHermez/zisk.git", tag = "v0.9.0" }
+test-utils = { path = "../../../crates/test-utils" }

tests/zisk/basic/src/main.rs

@@ -0,0 +1,22 @@
+#![no_main]
+
+use test_utils::guest::BasicStruct;
+
+ziskos::entrypoint!(main);
+
+fn main() {
+    let input = ziskos::read_input();
+    let mut input = input.as_slice();
+
+    // Read `Hello world` bytes.
+    let bytes: Vec<u8> = bincode::deserialize_from(&mut input).unwrap();
+    assert_eq!(String::from_utf8_lossy(&bytes), "Hello world");
+
+    // Read `BasicStruct`.
+    let basic_struct: BasicStruct = bincode::deserialize_from(&mut input).unwrap();
+    let output = basic_struct.output();
+
+    output.chunks(4).enumerate().for_each(|(idx, bytes)| {
+        ziskos::set_output(idx, u32::from_le_bytes(bytes.try_into().unwrap()));
+    });
+}