From 6f81a372db9e402126dcc36a725e9b1d71491955 Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Sun, 10 Feb 2019 11:44:53 +0100
Subject: Add a smoke test for ra_batch

---
 crates/ra_batch/src/lib.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/crates/ra_batch/src/lib.rs b/crates/ra_batch/src/lib.rs
index 014663546..c1cfb76bc 100644
--- a/crates/ra_batch/src/lib.rs
+++ b/crates/ra_batch/src/lib.rs
@@ -126,3 +126,27 @@ impl BatchDatabase {
         Ok((db, local_roots))
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use ra_hir::Crate;
+    use super::*;
+
+    #[test]
+    fn test_loading_rust_analyzer() {
+        let mut path = std::env::current_exe().unwrap();
+        while !path.join("Cargo.toml").is_file() {
+            path = path.parent().unwrap().to_owned();
+        }
+        let (db, roots) = BatchDatabase::load_cargo(path).unwrap();
+        let mut num_crates = 0;
+        for root in roots {
+            for _krate in Crate::source_root_crates(&db, root) {
+                num_crates += 1;
+            }
+        }
+
+        // RA has quite a few crates, but the exact count doesn't matter
+        assert!(num_crates > 20);
+    }
+}
-- 
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