Generate code coverage and add icon to README.md Issue

.github/workflows/rust.yml

@@ -0,0 +1,22 @@
+name: Rust
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build
+      run: cargo build --verbose
+    - name: Run tests
+      run: cargo test --verbose

Cargo.toml

@@ -15,4 +15,5 @@ sdl2 = "0.34.0"
 rand = "=0.7.3"
 
 [[example]]
-name = "snake"
+name = "snake"
+cargo_metadata = "=0.18.1"

README.md

@@ -10,6 +10,7 @@ A (soon to be) fully-featured NES emulator written in Rust.
 - [ ] PPU
 - [ ] APU
 
+![Coverage Status](https://coveralls.io/repos/github/username/repo/badge.svg?branch=main)
 
 # Resources
 - https://github.com/bugzmanov/nes_ebook, where it all started for me

test.yml

@@ -0,0 +1,35 @@
+name: rust_ci
+
+on: [push, pull_request]
+
+jobs:
+  run_tests:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: checkout_code
+      uses: actions/checkout@v2
+
+    - name: install_rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        override: true
+
+    - name: install_cargo_tarpaulin
+      run: cargo install cargo-tarpaulin
+
+    - name: run_tests_with_coverage
+      run: cargo tarpaulin --out Xml
+
+    - name: upload_coverage_data
+      uses: actions/upload-artifact@v2
+      with:
+        name: coverage_report
+        path: ./tarpaulin-report.xml
+
+    - name: generate_coverage_badge
+      uses: actions-rs/[email protected]
+      with:
+        coverage_file: ./tarpaulin-report.xml
+        badge_path: ./coverage-badge.svg