[unit test] Enable Unit test and add target in Makefile

.travis.yml

@@ -20,7 +20,8 @@ before_script:
   - helm lint helm/botkube
 
 script:
-  - make container-image
+  - make unit-test
+  - make
 
 after_success:
   - if [[ "$TRAVIS_BRANCH" == "develop" ]] && [[ "$TRAVIS_PULL_REQUEST" == "false" ]]; then

Makefile

@@ -2,12 +2,12 @@ IMAGE_REPO=infracloud/botkube
 TAG=$(shell cut -d'=' -f2- .release)
 
 .DEFAULT_GOAL := build
-.PHONY: release git-tag check-git-status build container-image pre-build tag-image publish
+.PHONY: release git-tag check-git-status build container-image pre-build tag-image publish unit-test system-check
 
 #Docker Tasks
 #Make a release
-release: check-git-status container-image tag-image publish git-tag 
-	@echo "Successfully released version $(TAG)"
+release: check-git-status unit-test container-image tag-image publish git-tag
+	@echo "Successfully releeased version $(TAG)"
 
 #Create a git tag
 git-tag:
@@ -25,24 +25,38 @@ check-git-status:
 	@if [ -z "$(shell git remote -v)" ] ; then echo 'ERROR: No remote to push tags to' && exit 1 ; fi
 	@if [ -z "$(shell git config user.email)" ] ; then echo 'ERROR: Unable to detect git credentials' && exit 1 ; fi
 
+# unit-test
+unit-test: system-check
+	@echo "Starting unit tests"
+	@./hack/unit-test.sh -v
+
 #Build the binary
 build: pre-build
 	@cd cmd/botkube;GOOS_VAL=$(shell go env GOOS) GOARCH_VAL=$(shell go env GOARCH) go build -o $(shell go env GOPATH)/bin/botkube 
 
 #Build the image
-container-image: pre-build 
+container-image: pre-build
 	@echo "Building docker image"
 	@docker build --build-arg GOOS_VAL=$(shell go env GOOS) --build-arg GOARCH_VAL=$(shell go env GOARCH) -t $(IMAGE_REPO) -f build/Dockerfile --no-cache .
 	@echo "Docker image build successfully"
 
-#Pre-build checks
-pre-build:
+#system checks
+system-check:
 	@echo "Checking system information"
-	@if [ -z "$(shell go env GOOS)" ] || [ -z "$(shell go env GOARCH)" ] ; then echo 'ERROR: Could not determine the system architecture.' && exit 1 ; fi
+	@if [ -z "$(shell go env GOOS)" ] || [ -z "$(shell go env GOARCH)" ] ; \
+	then \
+	echo 'ERROR: Could not determine the system architecture.' && exit 1 ; \
+	else \
+	echo 'GOOS: $(shell go env GOOS)' ; \
+	echo 'GOARCH: $(shell go env GOARCH)' ; \
+	echo 'System information checks passed.'; \
+	fi ;
 
+#Pre-build checks
+pre-build: system-check
 
 #Tag images
-tag-image: 
+tag-image:
 	@echo 'Tagging image'
 	@docker tag $(IMAGE_REPO) $(IMAGE_REPO):$(TAG)
 
@@ -51,4 +65,4 @@ publish:
 	@echo "Pushing docker image to repository"
 	@docker login
 	@docker push $(IMAGE_REPO):$(TAG)
-	@docker push $(IMAGE_REPO):latest	
+	@docker push $(IMAGE_REPO):latest

hack/unit-test.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+PACKAGES=$(go list ./... | grep -v '/vendor/')
+
+for package in $PACKAGES; do
+    go test ${@} "$package"
+done