Cache worker

wasmtime-environ/tests/cache_default_config_in_memory.rs

@@ -2,6 +2,9 @@ use wasmtime_environ::cache_config;
 
 #[test]
 fn test_cache_default_config_in_memory() {
-    let errors = cache_config::init::<&str>(true, None, false);
-    assert!(errors.is_empty());
+    let errors = cache_config::init::<&str>(true, None, false, None);
+    assert!(
+        errors.is_empty(),
+        "This test loads config from the default location, if there's one. Make sure it's correct!"
+    );
 }

wasmtime-environ/tests/cache_fail_calling_init_twice.rs

@@ -20,7 +20,7 @@ fn test_cache_fail_calling_init_twice() {
     );
     fs::write(&config_path, config_content).expect("Failed to write test config file");
 
-    let errors = cache_config::init(true, Some(&config_path), false);
+    let errors = cache_config::init(true, Some(&config_path), false, None);
     assert!(errors.is_empty());
-    let _errors = cache_config::init(true, Some(&config_path), false);
+    let _errors = cache_config::init(true, Some(&config_path), false, None);
 }

wasmtime-environ/tests/cache_fail_invalid_config.rs

@@ -18,6 +18,6 @@ fn test_cache_fail_invalid_config() {
     );
     fs::write(&config_path, config_content).expect("Failed to write test config file");
 
-    let errors = cache_config::init(true, Some(&config_path), false);
+    let errors = cache_config::init(true, Some(&config_path), false, None);
     assert!(!errors.is_empty());
 }

wasmtime-environ/tests/cache_fail_invalid_path_to_config.rs

@@ -5,6 +5,6 @@ use wasmtime_environ::cache_config;
 fn test_cache_fail_invalid_path_to_config() {
     let dir = tempfile::tempdir().expect("Can't create temporary directory");
     let config_path = dir.path().join("cache-config.toml"); // doesn't exist
-    let errors = cache_config::init(true, Some(&config_path), false);
+    let errors = cache_config::init(true, Some(&config_path), false, None);
     assert!(!errors.is_empty());
 }

wasmtime-environ/tests/cache_write_default_config.rs

@@ -6,7 +6,7 @@ fn test_cache_write_default_config() {
     let dir = tempfile::tempdir().expect("Can't create temporary directory");
     let config_path = dir.path().join("cache-config.toml");
 
-    let errors = cache_config::init(true, Some(&config_path), true);
+    let errors = cache_config::init(true, Some(&config_path), true, None);
     assert!(errors.is_empty());
     assert!(config_path.exists());
 }