Add CI

.github/workflows/ci.yml

@@ -0,0 +1,50 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo check
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo test
+
+  fmt:
+    name: Formatting
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - run: cargo fmt --check
+
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo clippy -- -D warnings

src/lib.rs

@@ -124,10 +124,10 @@ impl LanguageServer for Backend {
     async fn did_change(&self, params: DidChangeTextDocumentParams) {
         let uri = params.text_document.uri.to_string();
 
-        if let Some(change) = params.content_changes.first() {
-            if let Ok(mut files) = self.open_files.lock() {
-                files.insert(uri, change.text.clone());
-            }
+        if let Some(change) = params.content_changes.first()
+            && let Ok(mut files) = self.open_files.lock()
+        {
+            files.insert(uri, change.text.clone());
         }
     }
 
@@ -143,7 +143,11 @@ impl LanguageServer for Backend {
     }
 
     async fn hover(&self, params: HoverParams) -> Result<Option<Hover>> {
-        let uri = params.text_document_position_params.text_document.uri.to_string();
+        let uri = params
+            .text_document_position_params
+            .text_document
+            .uri
+            .to_string();
         let position = params.text_document_position_params.position;
 
         let content = if let Ok(files) = self.open_files.lock() {
@@ -152,34 +156,28 @@ impl LanguageServer for Backend {
             None
         };
 
-        if let Some(content) = content {
-            if let Some(word) = self.get_word_at_position(&content, position) {
-                if word == "PHPantom" {
-                    return Ok(Some(Hover {
-                        contents: HoverContents::Scalar(MarkedString::String(
-                            "Welcome to PHPantomLSP!".to_string(),
-                        )),
-                        range: None,
-                    }));
-                }
-            }
+        if let Some(content) = content
+            && let Some(word) = self.get_word_at_position(&content, position)
+            && word == "PHPantom"
+        {
+            return Ok(Some(Hover {
+                contents: HoverContents::Scalar(MarkedString::String(
+                    "Welcome to PHPantomLSP!".to_string(),
+                )),
+                range: None,
+            }));
         }
 
         Ok(None)
     }
 
-    async fn completion(
-        &self,
-        _params: CompletionParams,
-    ) -> Result<Option<CompletionResponse>> {
-        Ok(Some(CompletionResponse::Array(vec![
-            CompletionItem {
-                label: "PHPantomLSP".to_string(),
-                kind: Some(CompletionItemKind::TEXT),
-                detail: Some("PHPantomLSP completion".to_string()),
-                insert_text: Some("PHPantomLSP".to_string()),
-                ..CompletionItem::default()
-            },
-        ])))
+    async fn completion(&self, _params: CompletionParams) -> Result<Option<CompletionResponse>> {
+        Ok(Some(CompletionResponse::Array(vec![CompletionItem {
+            label: "PHPantomLSP".to_string(),
+            kind: Some(CompletionItemKind::TEXT),
+            detail: Some("PHPantomLSP completion".to_string()),
+            insert_text: Some("PHPantomLSP".to_string()),
+            ..CompletionItem::default()
+        }])))
     }
 }

src/main.rs

@@ -8,9 +8,7 @@ async fn main() {
     let stdin = tokio::io::stdin();
     let stdout = tokio::io::stdout();
 
-    let (service, socket) = LspService::new(|client| Backend::new(client));
+    let (service, socket) = LspService::new(Backend::new);
 
-    Server::new(stdin, stdout, socket)
-        .serve(service)
-        .await;
+    Server::new(stdin, stdout, socket).serve(service).await;
 }

tests/integration_tests.rs

@@ -1,6 +1,6 @@
 use phpantom_lsp::Backend;
-use tower_lsp::lsp_types::*;
 use tower_lsp::LanguageServer;
+use tower_lsp::lsp_types::*;
 
 fn create_test_backend() -> Backend {
     Backend::new_test()