feat: add variables

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/cuddle-clusters/tests/common.rs

@@ -1,9 +1,12 @@
 use std::{cmp::Ordering, path::Path};
 
-use cuddle_clusters::process::ProcessOpts;
+use cuddle_clusters::{process::ProcessOpts, ConcreteComponent, IntoComponent};
 use walkdir::DirEntry;
 
-pub(crate) async fn run_test(name: &str) -> anyhow::Result<()> {
+pub(crate) async fn run_test_with_components(
+    name: &str,
+    components: Vec<impl IntoComponent>,
+) -> anyhow::Result<()> {
     let _ = tracing_subscriber::fmt::try_init();
 
     println!("running for: {name}");
@@ -17,17 +20,25 @@ pub(crate) async fn run_test(name: &str) -> anyhow::Result<()> {
     let expected = test_folder.join("expected");
     tokio::fs::create_dir_all(&expected).await?;
 
-    cuddle_clusters::process_opts(ProcessOpts {
-        path: test_folder.clone(),
-        output: actual.clone(),
-    })
+    let components: Vec<_> = components.into_iter().map(|p| p.into_component()).collect();
+
+    cuddle_clusters::process_opts(
+        components.clone(),
+        ProcessOpts {
+            path: test_folder.clone(),
+            output: actual.clone(),
+        },
+    )
     .await?;
 
     if std::env::var("TEST_OVERRIDE") == Ok("true".to_string()) {
-        cuddle_clusters::process_opts(ProcessOpts {
-            path: test_folder,
-            output: expected.clone(),
-        })
+        cuddle_clusters::process_opts(
+            components,
+            ProcessOpts {
+                path: test_folder,
+                output: expected.clone(),
+            },
+        )
         .await?;
     }
 
@@ -36,6 +47,10 @@ pub(crate) async fn run_test(name: &str) -> anyhow::Result<()> {
     Ok(())
 }
 
+pub(crate) async fn run_test(name: &str) -> anyhow::Result<()> {
+    run_test_with_components(name, Vec::<ConcreteComponent>::new()).await
+}
+
 async fn compare(expected: &Path, actual: &Path) -> anyhow::Result<()> {
     let mut exp = walk_dir(expected)?;
     let mut act = walk_dir(actual)?;