chore: Stop cding into binary_install and use --all instead

test: Put tests that access private functions in tests module

.travis.yml

@@ -47,14 +47,10 @@ matrix:
     install:
       - *INSTALL_NODE_VIA_NVM
     script:
-    - cargo test --locked
+    - cargo test --all --locked
     - rustup component add rustfmt-preview
     - cargo fmt --version
     - cargo fmt --all -- --check
-    - cd binary-install
-    - cargo test
-    - cargo fmt --all -- --check
-    - cd ..
 
   - name: Book
     rust: stable

binary-install/src/lib.rs

@@ -278,8 +278,12 @@ fn hashed_dirname(url: &str, name: &str) -> String {
     format!("{}-{}", name, hex)
 }
 
-#[test]
-fn it_returns_same_hash_for_same_name_and_url() {
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_returns_same_hash_for_same_name_and_url() {
         let name = "wasm-pack";
         let url = "http://localhost:7878/wasm-pack-v0.6.0.tar.gz";
 
@@ -289,10 +293,10 @@ fn it_returns_same_hash_for_same_name_and_url() {
         assert!(!first.is_empty());
         assert!(!second.is_empty());
         assert_eq!(first, second);
-}
+    }
 
-#[test]
-fn it_returns_different_hashes_for_different_urls() {
+    #[test]
+    fn it_returns_different_hashes_for_different_urls() {
         let name = "wasm-pack";
         let url = "http://localhost:7878/wasm-pack-v0.5.1.tar.gz";
         let second_url = "http://localhost:7878/wasm-pack-v0.6.0.tar.gz";
@@ -301,10 +305,10 @@ fn it_returns_different_hashes_for_different_urls() {
         let second = hashed_dirname(second_url, name);
 
         assert_ne!(first, second);
-}
+    }
 
-#[test]
-fn it_returns_cache_dir() {
+    #[test]
+    fn it_returns_cache_dir() {
         let name = "wasm-pack";
         let cache = Cache::new(name);
 
@@ -314,10 +318,10 @@ fn it_returns_cache_dir() {
 
         assert!(cache.is_ok());
         assert_eq!(cache.unwrap().destination, expected);
-}
+    }
 
-#[test]
-fn it_returns_destination_if_binary_already_exists() {
+    #[test]
+    fn it_returns_destination_if_binary_already_exists() {
         use std::fs;
 
         let binary_name = "wasm-pack";
@@ -338,4 +342,5 @@ fn it_returns_destination_if_binary_already_exists() {
 
         assert!(dl.is_ok());
         assert!(dl.unwrap().is_some())
+    }
 }