Add test cases for inferring crate target types

Author: Xanewok

src/test/mod.rs

@@ -477,6 +477,63 @@ fn test_simple_workspace() {
                                        ExpectedMessage::new(None).expect_contains("diagnosticsEnd")]);
 }
 
+#[test]
+fn test_infer_lib() {
+    let (cache, _tc) = init_env("infer_lib");
+
+    let root_path = cache.abs_path(Path::new("."));
+    let messages = vec![
+        ServerMessage::initialize(0, root_path.as_os_str().to_str().map(|x| x.to_owned()))
+    ];
+
+    let (mut server, results) = mock_server(messages);
+    // Initialise and build.
+    assert_eq!(ls_server::LsService::handle_message(&mut server),
+               ls_server::ServerStateChange::Continue);
+    expect_messages(results.clone(), &[ExpectedMessage::new(Some(0)).expect_contains("capabilities"),
+                                       ExpectedMessage::new(None).expect_contains("diagnosticsBegin"),
+                                       ExpectedMessage::new(None).expect_contains("struct is never used: `UnusedLib`"),
+                                       ExpectedMessage::new(None).expect_contains("diagnosticsEnd")]);
+}
+
+#[test]
+fn test_infer_bin() {
+    let (cache, _tc) = init_env("infer_bin");
+
+    let root_path = cache.abs_path(Path::new("."));
+    let messages = vec![
+        ServerMessage::initialize(0, root_path.as_os_str().to_str().map(|x| x.to_owned()))
+    ];
+
+    let (mut server, results) = mock_server(messages);
+    // Initialise and build.
+    assert_eq!(ls_server::LsService::handle_message(&mut server),
+               ls_server::ServerStateChange::Continue);
+    expect_messages(results.clone(), &[ExpectedMessage::new(Some(0)).expect_contains("capabilities"),
+                                       ExpectedMessage::new(None).expect_contains("diagnosticsBegin"),
+                                       ExpectedMessage::new(None).expect_contains("struct is never used: `UnusedBin`"),
+                                       ExpectedMessage::new(None).expect_contains("diagnosticsEnd")]);
+}
+
+#[test]
+fn test_infer_custom_bin() {
+    let (cache, _tc) = init_env("infer_custom_bin");
+
+    let root_path = cache.abs_path(Path::new("."));
+    let messages = vec![
+        ServerMessage::initialize(0, root_path.as_os_str().to_str().map(|x| x.to_owned()))
+    ];
+
+    let (mut server, results) = mock_server(messages);
+    // Initialise and build.
+    assert_eq!(ls_server::LsService::handle_message(&mut server),
+               ls_server::ServerStateChange::Continue);
+    expect_messages(results.clone(), &[ExpectedMessage::new(Some(0)).expect_contains("capabilities"),
+                                       ExpectedMessage::new(None).expect_contains("diagnosticsBegin"),
+                                       ExpectedMessage::new(None).expect_contains("struct is never used: `UnusedCustomBin`"),
+                                       ExpectedMessage::new(None).expect_contains("diagnosticsEnd")]);
+}
+
 #[test]
 fn test_omit_init_build() {
     let (cache, _tc) = init_env("omit_init_build");

test_data/infer_bin/Cargo.lock

@@ -0,0 +1,6 @@
+[package]
+name = "infer_bin"
+version = "0.1.0"
+authors = ["Igor Matuszewski <[email protected]>"]
+
+[dependencies]

test_data/infer_bin/Cargo.toml

@@ -0,0 +1,5 @@
+struct UnusedBin;
+
+fn main() {
+    println!("Hello, world!");
+}

test_data/infer_bin/src/main.rs

@@ -0,0 +1,10 @@
+[package]
+name = "infer_custom_bin"
+version = "0.1.0"
+authors = ["Igor Matuszewski <[email protected]>"]
+
+[[bin]]
+name = "custom_bin"
+path = "src/custom_bin.rs"
+
+[dependencies]

test_data/infer_custom_bin/Cargo.lock

@@ -0,0 +1,5 @@
+struct UnusedCustomBin;
+
+fn main() {
+    println!("Hello, world!");
+}

test_data/infer_custom_bin/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "infer_lib"
+version = "0.1.0"
+authors = ["Igor Matuszewski <[email protected]>"]
+
+[dependencies]

test_data/infer_custom_bin/src/custom_bin.rs

@@ -0,0 +1,8 @@
+struct UnusedLib;
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+    }
+}