ci(github-actions): add new workflow coverage: format, clippy and cov…

…erage

.github/workflows/coveralls.yml

@@ -0,0 +1,47 @@
+name: Coveralls
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+
+    services:
+      tdengine:
+        image: tdengine/tdengine:3.0.7.1
+        ports:
+          - 6030:6030
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install taosc
+        run: |
+          curl -sO https://www.taosdata.com/assets-download/3.0/TDengine-client-3.0.7.1-Linux-x64-Lite.tar.gz
+          tar zxf TDengine-client-3.0.7.1-Linux-x64-Lite.tar.gz
+          cd TDengine-client-3.0.7.1
+          ./install_client.sh
+      
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: rustfmt, clippy
+
+      - name: Check format
+        run: cargo fmt --check --all
+
+      - name: Check clippy
+        run: cargo clippy --all-targets --all-features -- -D warnings
+
+      - name: Install Cargo B(inary)Install
+        run: curl -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash
+
+      - uses: taiki-e/install-action@cargo-tarpaulin
+
+      - name: Coverage
+        run: cargo +nightly tarpaulin --follow-exec --post-test-delay 10 --coveralls ${{ secrets.COVERALLS_REPO_TOKEN }} -- --test-threads=1

Cargo.toml

@@ -3,6 +3,7 @@ members = [
     "cml-core",
     "cml-tdengine",
 ]
+resolver = "2"
 
 [workspace.dependencies]
 anyhow = "1"

cml-core/src/metadata.rs

@@ -14,11 +14,8 @@ pub struct MetaData<F> {
 impl<F> MetaData<F> {
     pub fn get_placeholders(&self) -> (String, String) {
         (
-            vec![
-                "?";
-                self.optional_tags.as_ref().map_or(0, |v| v.len()) + self.inherent_tag_num
-            ]
-            .join(", "),
+            vec!["?"; self.optional_tags.as_ref().map_or(0, |v| v.len()) + self.inherent_tag_num]
+                .join(", "),
             vec!["?"; self.optional_field_num + self.inherent_field_num].join(", "),
         )
     }

cml-tdengine/src/models/stables.rs

@@ -17,7 +17,7 @@ impl<'a> STable<'a> {
 fn field_to_stmt(fields: &[Field]) -> String {
     fields
         .iter()
-        .map(|f| format!("{}", f.sql_repr()))
+        .map(|f| f.sql_repr().to_string())
         .collect::<Vec<String>>()
         .join(",")
 }