Merge pull request #8 from compilerla/feat/tests

Basic tests and GitHub workflow for PRs

Author: thekaveman

.github/workflows/tests.yml

@@ -0,0 +1,18 @@
+name: Tests
+
+on:
+  pull_request:
+    branches: [ "*" ]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - name: Install pre-commit
+        run: |
+          python -m pip install --upgrade pip
+          pip install pre-commit
+      - name: Run tests
+        run: ./tests.sh

tests.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+this_dir="$PWD"
+test_dir=""
+result=0
+
+setup () {
+    test_dir=$(mktemp -d)
+
+    cp "$this_dir/.pre-commit-config.yaml" "$test_dir/"
+    cp "$this_dir/conventional-pre-commit.sh" "$test_dir/"
+
+    cd "$test_dir"
+
+    git init
+
+    git branch -m main
+    git config user.email "conventional-pre-commit@compiler.la"
+    git config user.name "conventional-pre-commit"
+
+    pre-commit install --hook-type commit-msg
+    git add .
+}
+
+teardown () {
+    cd "$this_dir"
+    rm -rf "$test_dir"
+}
+
+# test a failure
+
+setup
+
+fail="$(git commit -m 'bad: conventional-pre-commit' 2>&1 > /dev/null)"
+
+teardown
+
+echo "$fail" | grep -Eq "Your commit message does not follow Conventional Commits formatting"
+
+(( result += "$?" ))
+
+# test a success
+
+setup
+
+pass="$(git commit -m 'test: conventional-pre-commit')"
+
+teardown
+
+echo "$pass" | grep -Eq "\[main \(root-commit\) [[:alnum:]]{7}\] test: conventional-pre-commit"
+
+(( result += "$?" ))
+
+exit "$result"