fix(tests): Nassun baseline tests (#196)

Fixes: #155

Cargo.toml

@@ -81,6 +81,7 @@ js-sys = "0.3.61"
 kdl = "5.0.0-alpha.0"
 maplit = "1.0.2"
 miette = "5.5.0"
+mockito = "1.0.0"
 node-semver = "2.1.0"
 nom = "7.1.3"
 once_cell = "1.17.1"
@@ -104,6 +105,7 @@ tar = "0.4.38"
 tempfile = "3.3.0"
 term_grid = "0.1.7"
 term_size = "0.3.2"
+test-case = "3.0.0"
 thiserror = "1.0.38"
 tracing = "0.1.37"
 tracing-appender = "0.2.2"

crates/nassun/Cargo.toml

@@ -15,7 +15,11 @@ oro-client = { version = "=0.3.11", path = "../oro-client" }
 oro-package-spec = { version = "=0.3.11", path = "../oro-package-spec" }
 
 async-compression = { workspace = true, features = ["gzip", "futures-io"] }
-async-std = { workspace = true, features = ["attributes", "unstable"] }
+async-std = { workspace = true, features = [
+    "attributes",
+    "unstable",
+    "tokio1",
+] }
 async-trait = { workspace = true }
 bincode = { workspace = true }
 dashmap = { workspace = true }
@@ -31,6 +35,10 @@ tracing = { workspace = true }
 tsify = { workspace = true, default-features = false, features = ["js"] }
 url = { workspace = true }
 
+[dev-dependencies]
+mockito = { workspace = true }
+test-case = { workspace = true }
+
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 async-tar-wasm = "0.4.2-wasm.1"
 async-process = { workspace = true }

crates/nassun/src/fetch/dir.rs

@@ -234,3 +234,60 @@ impl Manifest {
         Ok(packument)
     }
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use std::{fs::File, io::Write, path::PathBuf};
+
+    use tempfile::{tempdir, TempDir};
+
+    fn setup_dirs() -> Result<(impl PackageFetcher, PackageSpec, TempDir, PathBuf, PathBuf)> {
+        let tmp = tempdir()?;
+        let package_path = tmp.path().join("oro-test");
+        let cache_path = tmp.path().join("cache");
+        std::fs::create_dir_all(&package_path)?;
+        std::fs::create_dir_all(&cache_path)?;
+        let mut package_file = File::create(package_path.join("package.json"))?;
+        package_file.write_all(
+            r#"{
+            "name": "oro-test",
+            "version": "1.4.2"
+        }"#
+            .as_bytes(),
+        )?;
+        let dir_fetcher = DirFetcher;
+
+        let package_spec = PackageSpec::Dir {
+            path: PathBuf::new().join(&package_path),
+        };
+
+        Ok((dir_fetcher, package_spec, tmp, package_path, cache_path))
+    }
+
+    #[async_std::test]
+    async fn read_name() -> Result<()> {
+        let (fetcher, package_spec, _tmp, _package_path, cache_path) = setup_dirs()?;
+        let name = fetcher.name(&package_spec, &cache_path).await?;
+        assert_eq!(name, "oro-test");
+        Ok(())
+    }
+
+    #[async_std::test]
+    async fn read_packument() -> miette::Result<()> {
+        let (fetcher, package_spec, _tmp, _package_path, cache_path) = setup_dirs()?;
+        let packument = fetcher.packument(&package_spec, &cache_path).await?;
+        assert_eq!(packument.versions.len(), 1);
+        assert!(packument.versions.contains_key(&"1.4.2".parse()?));
+        assert_eq!(
+            packument
+                .versions
+                .get(&"1.4.2".parse()?)
+                .unwrap()
+                .dist
+                .file_count,
+            None
+        );
+        Ok(())
+    }
+}