test: add Store::list integration test

Signed-off-by: Fabrizio Sestito <[email protected]>

src/policy.rs

@@ -3,7 +3,7 @@ use std::fmt;
 use std::fmt::Display;
 use std::path::PathBuf;
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq)]
 pub struct Policy {
     pub uri: String,
     pub local_path: PathBuf,

tests/store.rs

@@ -0,0 +1,60 @@
+use std::path::Path;
+
+use anyhow::Result;
+use policy_fetcher::policy::Policy;
+use policy_fetcher::store::{path, Store};
+use tempfile::tempdir;
+
+#[test]
+fn test_list() -> Result<()> {
+    let store_root = tempdir()?;
+
+    let mut expected_policies = vec![
+        Policy {
+            uri: "https://internal.host.company/some/path/to/1.0.0/wasm-module.wasm".to_owned(),
+            local_path: store_root.path().join(path::encode_path(
+                "https/internal.host.company/some/path/to/1.0.0/wasm-module.wasm",
+            )),
+        },
+        Policy {
+            uri: "registry://ghcr.io/some/path/to/wasm-module.wasm:1.0.0".to_owned(),
+            local_path: store_root.path().join(path::encode_path(
+                "registry/ghcr.io/some/path/to/wasm-module.wasm:1.0.0",
+            )),
+        },
+        Policy {
+            uri: "registry://internal.host.company:5000/some/path/to/wasm-module.wasm:1.0.0"
+                .to_owned(),
+            local_path: store_root.path().join(path::encode_path(
+                "registry/internal.host.company:5000/some/path/to/wasm-module.wasm:1.0.0",
+            )),
+        },
+    ];
+
+    setup_store(&expected_policies)?;
+
+    let store = Store::new(store_root.path());
+    let mut list = store.list()?;
+
+    expected_policies.sort_by_key(|p| p.uri.clone());
+    list.sort_by_key(|p| p.uri.clone());
+
+    assert_eq!(expected_policies, list);
+
+    Ok(())
+}
+
+/// Setup a temporary store with the given policies.
+/// By using tempdir, the store will be cleaned up automatically when the TempDir struct is dropped.
+fn setup_store(policies: &[Policy]) -> Result<()> {
+    for policy in policies {
+        std::fs::create_dir_all(policy.local_path.parent().unwrap())?;
+
+        std::fs::copy(
+            Path::new(env!("CARGO_MANIFEST_DIR")).join("tests/test_data/simple.wasm"),
+            &policy.local_path,
+        )?;
+    }
+
+    Ok(())
+}