test: Add testenv module

.github/workflows/cont_integration.yml

@@ -79,6 +79,9 @@ jobs:
       - name: Run doc tests
         run: cargo test ${{ matrix.features }} --doc --verbose
 
+      - name: Run RPC client tests
+        run: cargo test --test test_rpc_client --verbose -- --test-threads=2
+
   # MSRV
   msrv:
     name: MSRV

Cargo.toml

@@ -22,4 +22,5 @@ default = ["30_0"]
 28_0 = []
 
 [dev-dependencies]
+anyhow = "1"
 corepc-node = { version = "0.10.1", features = ["download", "29_0"] }

src/client.rs

@@ -284,6 +284,7 @@ mod test_auth {
     }
 
     #[test]
+    #[ignore = "modifies the local filesystem"]
     fn test_auth_cookie_file_get_user_pass() {
         let temp_dir = std::env::temp_dir();
         let cookie_path = temp_dir.join("test_auth_cookie");
@@ -299,4 +300,14 @@ mod test_auth {
 
         std::fs::remove_file(cookie_path).ok();
     }
+
+    #[test]
+    fn test_auth_invalid_cookie_file() {
+        let dummy_url = "http://127.0.0.1:18443";
+        let cookie_path = PathBuf::from("/nonexistent/path/to/cookie");
+
+        let result = Client::with_auth(dummy_url, Auth::CookieFile(cookie_path));
+
+        assert!(matches!(result, Err(Error::InvalidCookieFile)));
+    }
 }

src/error.rs

@@ -67,22 +67,7 @@ impl fmt::Display for Error {
     }
 }
 
-impl std::error::Error for Error {
-    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
-        match self {
-            Error::DecodeHex(e) => Some(e),
-            Error::JsonRpc(e) => Some(e),
-            Error::HexToArray(e) => Some(e),
-            Error::Json(e) => Some(e),
-            Error::Io(e) => Some(e),
-            Error::TryFromInt(e) => Some(e),
-            Error::GetBlockVerboseOne(e) => Some(e),
-            Error::GetBlockHeaderVerbose(e) => Some(e),
-            Error::GetBlockFilter(e) => Some(e),
-            _ => None,
-        }
-    }
-}
+impl std::error::Error for Error {}
 
 // Conversions from other error types
 impl From<jsonrpc::Error> for Error {