Add unit tests

.github/workflows/lint.yml

@@ -17,12 +17,9 @@ jobs:
     timeout-minutes: 5
     steps:
       - uses: actions/checkout@v2
-      - uses: ludeeus/action-shellcheck@master
-        env:
-          SHELLCHECK_OPTS: --enable=all --shell=bash
+      - uses: docker://pipelinecomponents/shellcheck:latest
         with:
-          format: gcc
-          severity: warning
+          args: /bin/sh test/bin/ci_shellcheck.sh
 
   yamllint:
     name: Yamllint

.github/workflows/test.yml

@@ -1,4 +1,5 @@
 ---
+# https://github.com/particleflux/kcov-bats-circleci-codeclimate
 
 name: Test
 
@@ -17,6 +18,38 @@ jobs:
     timeout-minutes: 5
     steps:
       - uses: actions/checkout@v2
-      - uses: docker://bats/bats:latest
         with:
-          args: test/
+          submodules: "true"
+
+      - name: Download dasel
+        uses: wei/wget@v1
+        with:
+          args: -O test/bin/dasel https://github.com/TomWright/dasel/releases/download/v1.24.1/dasel_linux_amd64
+      - name: Download yq
+        uses: wei/wget@v1
+        with:
+          args: -O test/bin/yq https://github.com/mikefarah/yq/releases/download/v4.24.5/yq_linux_amd64
+
+      - name: Run tests
+        uses: docker://kcov/kcov:latest
+        with:
+          args: /bin/sh test/bin/ci_tests.sh
+
+      # https://github.com/particleflux/kcov-bats-circleci-codeclimate/blob/master/.circleci/config.yml
+      - name: Prepare coverage report
+        run: |2
+          sed -r \
+            's#"bats"#"src"#;s#/github/workspace/##;s#<source>(.+)/</source>#<source>/github/workspace/</source>#' \
+            "$(ls -1 codecov/bats*/cobertura.xml | head -1)" > coverage.xml
+      - name: Upload coverage report
+        uses: codecov/codecov-action@v2
+        # https://github.com/SimonKagstrom/kcov/blob/master/doc/codecov.md
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: coverage.xml
+          fail_ci_if_error: false
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: code-coverage-report
+          path: coverage.xml

.gitignore

@@ -96,4 +96,7 @@ modules.xml
 
 # End of https://www.toptal.com/developers/gitignore/api/jetbrains+all
 
-.git
+codecov/
+test/bin/*
+!test/bin/ci_*.sh
+!test/bin/.gitkeep

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "test/test_helper/bats-assert"]
 	path = test/test_helper/bats-assert
 	url = https://github.com/bats-core/bats-assert.git
+[submodule "test/test_helper/mocks"]
+	path = test/test_helper/mocks
+	url = https://github.com/jasonkarns/bats-mock

Makefile

@@ -1,2 +1,8 @@
+bats:
+	@./test/bats/bin/bats test/
+
+bats-cov:
+	@docker run -it --rm --workdir /github/workspace -v "$PWD":/github/workspace kcov/kcov:latest kcov --include-path src/ codecov/ ./test/bats/bin/bats test/
+
 shellcheck:
-	@find . -maxdepth 2 -name .git -type d -prune -o -type f \( -name \*.sh -or -name \*.bats \)  -print0 | xargs -0 -r -n1 shellcheck --enable=all --severity=warning --shell=bash --color=always
+	@find . -maxdepth 2 -name .git -type d -prune -o -type f \( -name \*.sh -or -name \*.bats -or -name \*.bash \) -print0 | xargs -0 -r -n1 shellcheck --enable=all --severity=warning --color=always

README.md

@@ -1,5 +1,6 @@
 [![Lint](https://github.com/danie1k/rsync-backup/actions/workflows/lint.yml/badge.svg)](https://github.com/danie1k/rsync-backup/actions/workflows/lint.yml)
 [![Test](https://github.com/danie1k/rsync-backup/actions/workflows/test.yml/badge.svg)](https://github.com/danie1k/rsync-backup/actions/workflows/test.yml)
+[![Code Coverage](https://codecov.io/gh/danie1k/rsync-backup/branch/master/graph/badge.svg?token=07IXMZ0DWO)](https://codecov.io/gh/danie1k/rsync-backup)
 [![MIT License](https://img.shields.io/github/license/danie1k/rsync-backup)](https://github.com/danie1k/rsync-backup/blob/master/LICENSE)
 
 # rsync-backup
@@ -9,8 +10,7 @@ A simple bash script wrapper for the rsync command
 ## Requirements
 
 - `bash` (or any other bash-compatible shell; `sh`, `dash`, etc. are not supported)
-- `dasel` (https://github.com/TomWright/dasel)
-- `jq` (https://github.com/stedolan/jq)
+- [dasel](https://github.com/TomWright/dasel) or [yq](https://github.com/mikefarah/yq)
 - `rsync`
 - `screen`
 - `envsubst` (optional, a part of `gettext` package)