fix: add test automation for Alpine

Author: skinner-m-c

.env.example

@@ -7,3 +7,4 @@ BASHUNIT_SHOW_EXECUTION_TIME=
 BASHUNIT_LOG_JUNIT=
 BASHUNIT_REPORT_HTML=
 BASHUNIT_LOAD_FILE=
+BASHUNIT_ALPINE_TEST_VERSION=

.github/CONTRIBUTING.md

@@ -55,6 +55,7 @@ Run tests from the library:
 ```bash
 # using make
 make test
+make alpine-test
 
 # using bashunit itself
 ./bashunit tests/**/*_test.sh

.github/workflows/tests.yml

@@ -32,3 +32,22 @@ jobs:
       - name: Run Tests
         run: ${{ matrix.script_name }}
 
+  alpine:
+    name: "Run tests on alpine"
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+        include:
+          - os: ubuntu-latest
+            script_name: 'make test-alpine'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Run Tests
+        run: ${{ matrix.script_name }}
+

CHANGELOG.md

@@ -1,8 +1,9 @@
 # Changelog
 
-## Unreleased
+## [Unreleased](https://github.com/TypedDevs/bashunit/compare/0.16.0...main)
 
 - Rename `BASHUNIT_TESTS_ENV` to `BASHUNIT_LOAD_FILE`
+- Added support for running tests in Alpine
 
 ## [0.16.0](https://github.com/TypedDevs/bashunit/compare/0.15.0...0.16.0) - 2024-09-15
 

Makefile

@@ -5,6 +5,7 @@ SHELL=/bin/bash
 STATIC_ANALYSIS_CHECKER := $(shell which shellcheck 2> /dev/null)
 LINTER_CHECKER := $(shell which ec 2> /dev/null)
 GIT_DIR = $(shell git rev-parse --git-dir 2> /dev/null)
+BASHUNIT_ALPINE_TEST_VERSION_DEFAULT:="3.20"
 
 OS:=
 ifeq ($(OS),Windows_NT)
@@ -35,6 +36,10 @@ else
 	endif
 endif
 
+ifeq ($(BASHUNIT_ALPINE_TEST_VERSION),)
+	BASHUNIT_ALPINE_TEST_VERSION_DEFAULT:="3.20"
+endif
+
 help:
 	@echo ""
 	@echo "Usage: make [command]"
@@ -67,6 +72,16 @@ test/watch: $(TEST_SCRIPTS)
 	@./bashunit $(TEST_SCRIPTS)
 	@fswatch -m poll_monitor -or $(SRC_SCRIPTS_DIR) $(TEST_SCRIPTS_DIR) .env Makefile | xargs -n1 ./bashunit $(TEST_SCRIPTS)
 
+test-alpine:
+	# Run tests for Alpine in a container with only the very basic dependencies. Bashunit should work for the base
+	# Alpine installation.
+	docker run -v $$(pwd):/working --rm alpine:${BASHUNIT_ALPINE_TEST_VERSION} /bin/sh -c " \
+		apk update &&\
+		apk add bash make &&\
+		adduser -D builder &&\
+		chown -R builder /working && \
+		su - builder -c 'cd /working; make test';"
+
 env/example:
 	@echo "Copying variables without the values from .env into .env.example"
 	@sed 's/=.*/=/' .env > .env.example

tests/acceptance/fixtures/.env.default

@@ -6,3 +6,5 @@ BASHUNIT_SHOW_EXECUTION_TIME=false
 BASHUNIT_DEFAULT_PATH=
 BASHUNIT_LOG_JUNIT=
 BASHUNIT_REPORT_HTML=
+BASHUNIT_LOAD_FILE=
+BASHUNIT_ALPINE_TEST_VERSION=3.20