feat(jstzd): add config init for client

crates/jstzd/Cargo.toml

@@ -13,6 +13,8 @@ bollard.workspace = true
 futures-util.workspace = true
 http.workspace = true
 octez = { path = "../octez" }
+serde.workspace = true
+serde_json.workspace = true
 tempfile.workspace = true
 tokio.workspace = true
 

crates/jstzd/src/task/octez_client.rs

@@ -1,7 +1,11 @@
 use super::{endpoint::Endpoint, octez_node::DEFAULT_RPC_ENDPOINT};
 use anyhow::{anyhow, bail, Result};
 use http::Uri;
-use std::{ffi::OsStr, path::PathBuf, str::FromStr};
+use std::{
+    ffi::OsStr,
+    path::{Path, PathBuf},
+    str::FromStr,
+};
 use tempfile::{tempdir, TempDir};
 use tokio::process::{Child, Command};
 
@@ -100,15 +104,13 @@ impl Directory {
     }
 }
 
-#[allow(dead_code)]
 pub struct OctezClient {
     binary_path: PathBuf,
     base_dir: Directory,
     endpoint: Endpoint,
     disable_unsafe_disclaimer: bool,
 }
 
-#[allow(dead_code)]
 impl OctezClient {
     fn command<S: AsRef<OsStr>, I: IntoIterator<Item = S>>(
         &self,
@@ -133,6 +135,11 @@ impl OctezClient {
         let mut command = self.command(args)?;
         Ok(command.spawn()?)
     }
+
+    pub async fn config_init(&self, output_path: &Path) -> Result<Child> {
+        let output = output_path.to_str().ok_or(anyhow!("non utf-8 path"))?;
+        self.spawn_command(["config", "init", "--output", output])
+    }
 }
 
 #[cfg(test)]

crates/jstzd/tests/octez_client_test.rs

@@ -0,0 +1,29 @@
+use jstzd::task::{endpoint::Endpoint, octez_client::OctezClientBuilder};
+use serde_json::Value;
+use std::fs::{read_to_string, remove_file};
+use tempfile::{NamedTempFile, TempDir};
+
+#[tokio::test]
+async fn config_init() {
+    let temp_dir = TempDir::new().unwrap();
+    let expected_base_dir = temp_dir.path().to_path_buf();
+    let expected_endpoint: Endpoint = Endpoint::localhost(3000);
+    let config_file = NamedTempFile::new().unwrap();
+    let _ = remove_file(config_file.path());
+    let octez_client = OctezClientBuilder::new()
+        .set_base_dir(expected_base_dir.clone())
+        .set_endpoint(expected_endpoint.clone())
+        .build()
+        .unwrap();
+    let mut res = octez_client.config_init(config_file.path()).await.unwrap();
+    let status = res.wait().await;
+    assert!(status.is_ok_and(|s| s.success()));
+    let actual: Value =
+        serde_json::from_str(&read_to_string(config_file).expect("Unable to read file"))
+            .expect("Unable to parse JSON");
+    assert_eq!(
+        actual["base_dir"],
+        expected_base_dir.to_str().unwrap().to_owned()
+    );
+    assert_eq!(actual["endpoint"], expected_endpoint.to_string());
+}