1 files changed, 52 insertions, 0 deletions
diff --git a/third_party/rust/uniffi_bindgen/src/bindings/ruby/test.rs b/third_party/rust/uniffi_bindgen/src/bindings/ruby/test.rs
new file mode 100644
index 0000000000..03da37d567
--- /dev/null
+++ b/third_party/rust/uniffi_bindgen/src/bindings/ruby/test.rs
@@ -0,0 +1,52 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use crate::bindings::TargetLanguage;
+use crate::library_mode::generate_bindings;
+use anyhow::{bail, Context, Result};
+use camino::Utf8Path;
+use std::env;
+use std::ffi::OsString;
+use std::process::{Command, Stdio};
+use uniffi_testing::UniFFITestHelper;
+
+/// Run Ruby tests for a UniFFI test fixture
+pub fn run_test(tmp_dir: &str, fixture_name: &str, script_file: &str) -> Result<()> {
+    let status = test_script_command(tmp_dir, fixture_name, script_file)?
+        .spawn()
+        .context("Failed to spawn `ruby` when running script")?
+        .wait()
+        .context("Failed to wait for `ruby` when running script")?;
+    if !status.success() {
+        bail!("running `ruby` failed");
+    }
+    Ok(())
+}
+
+/// Create a `Command` instance that runs a test script
+pub fn test_script_command(
+    tmp_dir: &str,
+    fixture_name: &str,
+    script_file: &str,
+) -> Result<Command> {
+    let script_path = Utf8Path::new(".").join(script_file).canonicalize_utf8()?;
+    let test_helper = UniFFITestHelper::new(fixture_name)?;
+    let out_dir = test_helper.create_out_dir(tmp_dir, &script_path)?;
+    let cdylib_path = test_helper.copy_cdylib_to_out_dir(&out_dir)?;
+    generate_bindings(&cdylib_path, None, &[TargetLanguage::Ruby], &out_dir, false)?;
+
+    let rubypath = env::var_os("RUBYLIB").unwrap_or_else(|| OsString::from(""));
+    let rubypath = env::join_paths(
+        env::split_paths(&rubypath).chain(vec![out_dir.to_path_buf().into_std_path_buf()]),
+    )?;
+
+    let mut command = Command::new("ruby");
+    command
+        .current_dir(out_dir)
+        .env("RUBYLIB", rubypath)
+        .arg(script_path)
+        .stderr(Stdio::inherit())
+        .stdout(Stdio::inherit());
+    Ok(command)
+}