Cargo tarpaulin GH Actions code coverage

.github/workflows/coverage.yaml

@@ -0,0 +1,29 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+name: Code Coverage
+
+jobs:
+  test:
+    name: Coverage
+    runs-on: ubuntu-latest
+    container:
+      image: xd009642/tarpaulin:develop-nightly
+      options: --security-opt seccomp=unconfined
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Generate code coverage
+        run: |
+          cargo +nightly tarpaulin --timeout 120
+
+      - name: Upload to codecov.io
+        uses: codecov/codecov-action@v2
+        with:
+          fail_ci_if_error: true

roles/v2/mining-proxy/src/lib/upstream_mining.rs

@@ -318,3 +318,11 @@ impl UpstreamMiningNodes {
         Err(())
     }
 }
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_one() {
+        assert_eq!(1, 1);
+    }
+}