rust-embed

rust macro which loads files into the rust binary at compile time during release and loads the file from the fs during dev.

d291ad15 — AzureMarker

Add tests and more documentation for file metadata

Files changed (4) hide show

tests/interpolated_path.rs CHANGED Viewed

@@ -7,15 +7,9 @@ struct Asset;
 #[test]
 fn get_works() {
-  if Asset::get("index.html").is_none() {
+  assert!(Asset::get("index.html").is_some(), "index.html should exist");
-    panic!("index.html should exist");
-  }
-  if Asset::get("gg.html").is_some() {
+  assert!(Asset::get("gg.html").is_none(), "gg.html should not exist");
-    panic!("gg.html should not exist");
-  }
-  if Asset::get("images/llama.png").is_none() {
+  assert!(Asset::get("images/llama.png").is_some(), "llama.png should exist");
-    panic!("llama.png should exist");
-  }
 }
 #[test]

tests/lib.rs CHANGED Viewed

@@ -7,15 +7,9 @@ struct Asset;
 #[test]
 fn get_works() {
-  if Asset::get("index.html").is_none() {
+  assert!(Asset::get("index.html").is_some(), "index.html should exist");
-    panic!("index.html should exist");
-  }
-  if Asset::get("gg.html").is_some() {
+  assert!(Asset::get("gg.html").is_none(), "gg.html should not exist");
-    panic!("gg.html should not exist");
-  }
-  if Asset::get("images/llama.png").is_none() {
+  assert!(Asset::get("images/llama.png").is_some(), "llama.png should exist");
-    panic!("llama.png should exist");
-  }
 }
 /// Using Windows-style path separators (`\`) is acceptable

tests/metadata.rs ADDED Viewed

@@ -0,0 +1,24 @@
+use rust_embed::{EmbeddedFile, RustEmbed};
+use sha2::Digest;
+#[derive(RustEmbed)]
+#[folder = "examples/public/"]
+struct Asset;
+#[test]
+fn hash_is_accurate() {
+  let index_file: EmbeddedFile = Asset::get("index.html").expect("index.html exists");
+  let mut hasher = sha2::Sha256::new();
+  hasher.update(index_file.data);
+  let expected_hash: [u8; 32] = hasher.finalize().into();
+  assert_eq!(index_file.metadata.sha256_hash(), expected_hash);
+}
+#[test]
+fn last_modified_is_accurate() {
+  let index_file: EmbeddedFile = Asset::get("index.html").expect("index.html exists");
+  let expected_datetime_utc = 1527818165;
+  assert_eq!(index_file.metadata.last_modified(), Some(expected_datetime_utc));
+}

utils/src/lib.rs CHANGED Viewed

@@ -33,11 +33,13 @@ pub fn get_files(folder_path: String) -> impl Iterator<Item = FileEntry> {
     })
 }
+/// A file embedded into the binary
 pub struct EmbeddedFile {
   pub data: Cow<'static, [u8]>,
   pub metadata: Metadata,
 }
+/// Metadata about an embedded file
 pub struct Metadata {
   hash: [u8; 32],
   last_modified: Option<u64>,