3 files changed, 4 insertions, 1 deletions

diff --git a/crates/ra_lsp_server/Cargo.toml b/crates/ra_lsp_server/Cargo.toml
index c53106a62..f8f91e5e7 100644
--- a/crates/ra_lsp_server/Cargo.toml
+++ b/crates/ra_lsp_server/Cargo.toml
@@ -33,6 +33,7 @@ ra_text_edit = { path = "../ra_text_edit" }
 ra_analysis = { path = "../ra_analysis" }
 gen_lsp_server = { path = "../gen_lsp_server" }
 ra_vfs = { path = "../ra_vfs" }
+tools = { path = "../tools" }
 
 [dev-dependencies]
 tempdir = "0.3.7"
diff --git a/crates/ra_lsp_server/tests/heavy_tests/main.rs b/crates/ra_lsp_server/tests/heavy_tests/main.rs
index e9f02a6e4..b0e1e65b6 100644
--- a/crates/ra_lsp_server/tests/heavy_tests/main.rs
+++ b/crates/ra_lsp_server/tests/heavy_tests/main.rs
@@ -121,6 +121,8 @@ fn test_eggs() {}
 use std::collections::HashMap;
 #[test]
 fn test_format_document() {
+    tools::install_rustfmt().unwrap();
+
     let server = project(
         r#"
 [package]
diff --git a/crates/tools/src/lib.rs b/crates/tools/src/lib.rs
index 6f96b8120..e5b32c25c 100644
--- a/crates/tools/src/lib.rs
+++ b/crates/tools/src/lib.rs
@@ -117,7 +117,7 @@ pub fn run_rustfmt(mode: Mode) -> Result<()> {
     Ok(())
 }
 
-fn install_rustfmt() -> Result<()> {
+pub fn install_rustfmt() -> Result<()> {
     run(&format!("rustup install {}", TOOLCHAIN), ".")?;
     run(
         &format!("rustup component add rustfmt --toolchain {}", TOOLCHAIN),