test(slug): test 'slug_ref' function

.github/actions/bats/Dockerfile

@@ -0,0 +1,5 @@
+FROM dduportal/bats:latest
+
+COPY entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

.github/actions/bats/entrypoint.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+
+/sbin/bats ./

.github/workflows/ci.yml

@@ -0,0 +1,17 @@
+name: ci
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: Check out code
+        uses: actions/checkout@v1
+
+      - name: Tests
+        uses: ./.github/actions/bats
+

Makefile

@@ -0,0 +1,9 @@
+
+
+
+help: ## print this message
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-10s\033[0m %s\n", $$1, $$2}'
+
+.PHONY: tests
+tests: ## Run tests locally
+	docker run -w /workdir -v $(shell pwd):/workdir dduportal/bats:latest ./

README.md

@@ -26,4 +26,4 @@ This action slug and expose some github variables.
     echo ${{ env.GITHUB_REF_SLUG }}
     echo ${{ env.GITHUB_HEAD_REF_SLUG }}
     echo ${{ env.GITHUB_BASE_REF_SLUG }}
-```
+```

entrypoint-test.bats

@@ -0,0 +1,27 @@
+#!/usr/bin/env bats
+
+@test "slug_ref" {
+  source entrypoint.sh
+
+  i=0
+  j=0
+
+  given[++i]="refs/head/master"
+  expected[++j]="master"
+
+  given[++i]="refs/head/feat/newFeature"
+  expected[++j]="newfeature"
+
+  given[++i]="refs/tags/v1.0"
+  expected[++j]="v1-0"
+
+  given[++i]="refs/head/awesome-Feature-Very-Very-Very-Very-Very-Very-Very-Long-moreThan63Characters"
+  expected[++j]="awesome-feature-very-very-very-very-very-very-very-long-moretha"
+
+  for i in "${!given[@]}"
+  do
+    actual="$(slug_ref \"${given[i]}\")"
+    echo "expected : [${expected[i]}], actual : [${actual}]"
+    [ "$actual" == "${expected[i]}" ]
+  done
+}