Replace test code script with build.rs

Author: marcelbuesing

Cargo.lock

@@ -2,10 +2,10 @@
 
 ## Generating code from DBC files
 
-The `./generate_example_code.sh foo.dbc` script will use dbc-codegen to generate Rust code
+The `.can-messages/build.rs` will use dbc-codegen to generate Rust code
 from a given DBC file in `./dbc-examples` (`example.dbc` when no file is given).
 
-IMPORTANT: The `rust-itegration` crate uses the generated code!
+IMPORTANT: The `rust-integration` crate uses the generated code!
 
 ## Generate test data using nodejs and socketcan
 

testing/README.adoc

@@ -8,6 +8,10 @@ edition = "2018"
 arbitrary = { version = "1.0", optional = true }
 bitvec = { version = "0.21", default-features = false }
 
+[build-dependencies]
+anyhow = "1.0"
+dbc-codegen = { path = "../../" }
+
 [features]
 default = ["debug", "arb"]
 arb = ["arbitrary"]

testing/can-messages/Cargo.toml

@@ -0,0 +1,11 @@
+use std::path::PathBuf;
+
+use anyhow::Result;
+
+fn main() -> Result<()> {
+    let dbc_file: PathBuf = PathBuf::from("../dbc-examples/example.dbc");
+    let out: PathBuf = PathBuf::from("src/");
+    println!("cargo:rerun-if-changed=../dbc-examples/example.dbc");
+    dbc_codegen::codegen(dbc_file, out, true)?;
+    Ok(())
+}