[#99] 테스트 커버리지 워크플로 추가

.github/workflows/coverage.yml

@@ -0,0 +1,57 @@
+name: Test & Coverage
+
+on:
+  pull_request:
+
+jobs:
+  check:
+    name: Rust project
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+
+      - name: Cache Cargo's directories
+        uses: actions/cache@v3
+        with:
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          path: |
+            ./target
+            ~/.cargo
+
+      - name: Install cargo-tarpaulin
+        run: cargo install cargo-tarpaulin
+
+      - name: Run cargo-tarpaulin
+        run: |
+          cargo tarpaulin -l --out Html | tail -n 1 | grep -o '[^+][0-9]\+\.[0-9]\+%' > coverage_total_pecent.txt |
+          AVG_COVERAGE=$(cat coverage_total_pecent.txt) |
+          echo "COVERAGE=$AVG_COVERAGE" >> $GITHUB_ENV
+
+      - name: Checkout report repository
+        uses: actions/checkout@v2
+        with:
+          repository: myyrakle/html_reports
+          token: ${{ secrets.REPORTS_GH_TOKEN }}
+          path: ./html_reports
+
+      - name: Copy coverage report
+        run: |
+          random_report_name = $(date +%s) | 
+          echo "REPORT_NAME=$random_report_name" >> $GITHUB_ENV |
+          cp ./tarpaulin-report.html ./html_reports/$random_report_name.html | 
+          git add . |
+          git commit -m "Add report $random_report_name" |
+          git push
+
+      - name: Add comment to PR
+        uses: thollander/actions-comment-pull-request@v1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+          message: |
+            ✅ **Total Coverage**: ${{ env.COVERAGE }} |
+            ![🔗 Coverage View](https://myyrakle.github.io/html_reports/${{ env.REPORT_NAME }})

.gitignore

@@ -16,4 +16,6 @@ Cargo.lock
 
 .rrdb.config
 
-.vscode
+.vscode
+
+tarpaulin-report.html