ci: codecov and badges

.github/workflows/codecov.yml

@@ -0,0 +1,38 @@
+# TODO: pull_request is only for testing, will be removed once coverage and badges are configured in PR.
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+name: Codecov
+
+jobs:
+  test:
+    name: Test
+    env:
+      RUSTFLAGS: -C instrument-coverage
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: llvm-tools-preview
+      - uses: actions-rs/cargo@v1
+        continue-on-error: true
+      - run: |
+          cargo install grcov;
+          cargo test --all-features;
+          mkdir /tmp/cov;
+          grcov . --binary-path ./target/debug/ -s . -t lcov --branch --ignore-not-existing --ignore '../*' --ignore "/*" -o /tmp/cov/tests.lcov;
+      - uses: codecov/codecov-action@v3
+        with:
+          directory: /tmp/cov/
+          name: overwatch-codecov
+          fail_ci_if_error: true
+

.github/workflows/main.yml

@@ -71,4 +71,4 @@ jobs:
         continue-on-error: false
         with:
           command: clippy
-          args: -- --deny warnings
+          args: -- --deny warnings

.github/workflows/release.yml

@@ -3,7 +3,7 @@ on:
     tags:
       - v*.*.*
 
-name: CI
+name: Release
 
 jobs:
   release:
@@ -15,4 +15,4 @@ jobs:
           override: true
       - uses: katyo/publish-crates@v1
         with:
-          registry-token: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+          registry-token: ${{ secrets.CARGO_REGISTRY_TOKEN }}

README.md

@@ -1,5 +1,16 @@
 # Overwatch
 
+[![MIT licensed][mit-badge]][mit-url]
+[![Build Status][actions-badge]][actions-url]
+[![Codecov Status][codecov-badge]][codecov-url]
+
+[mit-badge]: https://img.shields.io/badge/license-MIT-blue.svg
+[mit-url]: https://github.com/logos-co/Overwatch/blob/master/LICENSE
+[actions-badge]: https://github.com/logos-co/Overwatch/workflows/CI/badge.svg
+[actions-url]: https://github.com/logos-co/Overwatch/actions/workflows/main.yml?query=workflow%3ACI+branch%3Amain
+[codecov-badge]: https://codecov.io/github/logos-co/Overwatch/branch/main/graph/badge.svg?token=H4CQWRUCUS
+[codecov-url]: https://codecov.io/github/logos-co/Overwatch
+
 Overwatch is a framework to easily construct applications that requires of several independent
 parts that needs communication between them.
 Everything is self-contained, and it matches somewhat the advantages of microservices.