ci: generate code coverage report

.gitattributes

@@ -2,8 +2,10 @@
 /.gitattributes             export-ignore
 /.github/                   export-ignore
 /.gitignore                 export-ignore
+/.simplecov                 export-ignore
 /CHANGELOG.md               export-ignore
 /CODE_OF_CONDUCT.md         export-ignore
+/codecov.yml                export-ignore
 /composer.json              export-ignore
 /composer.lock              export-ignore
 /CONTRIBUTING.md            export-ignore

.github/workflows/continuous-integration.yml

@@ -5,8 +5,37 @@ name: "build"
 on: ["pull_request", "push"]
 
 jobs:
+  code-coverage:
+    name: "Code coverage"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Checkout repository"
+        uses: "actions/checkout@v2"
+      - name: "Install expect"
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install expect
+      - name: "Set up Ruby"
+        uses: "actions/setup-ruby@v1"
+        with:
+          ruby-version: "2.7"
+      - name: "Install Ruby dependencies"
+        run: |
+          gem install bashcov
+          gem install codecov
+      - name: "Set up PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "latest"
+          tools: "composer:v2"
+          coverage: "none"
+      - name: "Run expect tests"
+        run: "bashcov --root ./bin -- ./tests/bash-test.sh tests/tests.sh"
+      - name: "Publish coverage report to Codecov"
+        uses: "codecov/codecov-action@v1"
+
   test:
-    name: "Expect Tests"
+    name: "Expect tests"
     runs-on: "ubuntu-latest"
     strategy:
       matrix:
@@ -30,7 +59,7 @@ jobs:
         run: "composer test"
 
   run:
-    name: "Run Action"
+    name: "Run action"
     runs-on: "${{ matrix.operating-system }}"
     strategy:
       matrix:

.gitignore

@@ -1,2 +1,3 @@
 **/vendor/
+/coverage/
 /tests/expect/**.txt

.simplecov

@@ -0,0 +1,4 @@
+require 'codecov'
+require 'simplecov'
+
+SimpleCov.formatter = Codecov::SimpleCov::Formatter

README.md

@@ -8,6 +8,7 @@
     <a href="https://github.com/ramsey/composer-install"><img src="http://img.shields.io/badge/source-ramsey/composer--install-blue.svg?style=flat-square" alt="Source Code"></a>
     <a href="https://github.com/ramsey/composer-install/blob/main/LICENSE"><img src="https://img.shields.io/badge/license-MIT-darkcyan.svg?style=flat-square" alt="Read License"></a>
     <a href="https://github.com/ramsey/composer-install/actions?query=workflow%3ACI"><img src="https://img.shields.io/github/workflow/status/ramsey/composer-install/CI?logo=github&style=flat-square" alt="Build Status"></a>
+    <a href="https://codecov.io/gh/ramsey/composer-install"><img src="https://img.shields.io/codecov/c/gh/ramsey/composer-install?label=codecov&logo=codecov&style=flat-square" alt="Codecov Code Coverage"></a>
 </p>
 
 ## About

codecov.yml

@@ -0,0 +1,29 @@
+codecov:
+  require_ci_to_pass: yes
+
+coverage:
+  precision: 2
+  round: down
+  range: "70...100"
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 0%
+    patch:
+      default:
+        target: auto
+        threshold: 0%
+
+parsers:
+  gcov:
+    branch_detection:
+      conditional: yes
+      loop: yes
+      method: no
+      macro: no
+
+comment:
+  layout: "reach,diff,flags,tree"
+  behavior: default
+  require_changes: false