Add oracles test

crates/forge/tests/data/wasm_oracles/Scarb.toml

@@ -0,0 +1,15 @@
+[package]
+name = "oracles"
+version = "0.1.0"
+edition = "2024_07"
+assets = ["wasm_oracle.wasm"]
+
+#[[target.starknet-contract]]
+#sierra = true
+
+[dependencies]
+oracle = "1"
+starknet = "2.4.0"
+
+[dev-dependencies]
+snforge_std = { path = "../../../../../snforge_std" }

crates/forge/tests/data/wasm_oracles/build-fixtures.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+set -ex
+
+# Run this script to generate wasm fixtures from their sources.
+# Prebuilt fixtures are expected to be committed to the repository.
+
+cd "$(dirname "$0")"
+
+cargo build --manifest-path=wasm_oracle/Cargo.toml --release --target wasm32-wasip2
+cp wasm_oracle/target/wasm32-wasip2/release/wasm_oracle.wasm .

crates/forge/tests/data/wasm_oracles/src/lib.cairo

@@ -0,0 +1 @@
+

crates/forge/tests/data/wasm_oracles/tests/test.cairo

@@ -0,0 +1,43 @@
+use core::panics::panic_with_byte_array;
+
+mod wasm_oracle {
+    pub fn add(left: u64, right: u64) -> oracle::Result<u64> {
+        oracle::invoke("wasm:wasm_oracle.wasm", "add", (left, right))
+    }
+
+    pub fn err() -> oracle::Result<Result<ByteArray, ByteArray>> {
+        oracle::invoke("wasm:wasm_oracle.wasm", "err", ())
+    }
+
+    pub fn panic() -> oracle::Result<Result<ByteArray, ByteArray>> {
+        oracle::invoke("wasm:wasm_oracle.wasm", "panic", ())
+    }
+}
+
+#[test]
+fn add() {
+    assert!(wasm_oracle::add(2, 3) == Ok(5));
+}
+
+#[test]
+fn err() {
+    assert!(wasm_oracle::err() == Ok(Err("failed hard")));
+}
+
+#[should_panic]
+#[test]
+fn panic() {
+    wasm_oracle::panic().unwrap().unwrap();
+}
+
+#[test]
+fn unexpected_panic() {
+    wasm_oracle::panic().unwrap().unwrap();
+}
+
+#[test]
+fn panic_contents() {
+    let err = wasm_oracle::panic().unwrap_err();
+    // Panic with error so we get better error than "unwrap failed"
+    panic_with_byte_array(@format!("{}", err))
+}