feat: add testing and makefile.

.gitignore

@@ -24,6 +24,6 @@ _testmain.go
 *.prof
 .env
 
-coverage.out
+coverage.txt
 drone-ssh
 vendor

Makefile

@@ -0,0 +1,114 @@
+.PHONY: test drone-ssh build fmt vet errcheck lint install update release-dirs release-build release-copy release-check release coverage
+
+DIST := dist
+EXECUTABLE := drone-ssh
+
+# for dockerhub
+DEPLOY_ACCOUNT := appleboy
+DEPLOY_IMAGE := $(EXECUTABLE)
+
+TARGETS ?= linux darwin windows
+PACKAGES ?= $(shell go list ./... | grep -v /vendor/)
+SOURCES ?= $(shell find . -name "*.go" -type f)
+TAGS ?=
+LDFLAGS ?= -X 'main.Version=$(VERSION)'
+
+ifneq ($(shell uname), Darwin)
+	EXTLDFLAGS = -extldflags "-static" $(null)
+else
+	EXTLDFLAGS =
+endif
+
+ifneq ($(DRONE_TAG),)
+	VERSION ?= $(DRONE_TAG)
+else
+	VERSION ?= $(shell git describe --tags --always || git rev-parse --short HEAD)
+endif
+
+all: build
+
+fmt:
+	find . -name "*.go" -type f -not -path "./vendor/*" | xargs gofmt -s -w
+
+vet:
+	go vet $(PACKAGES)
+
+errcheck:
+	@which errcheck > /dev/null; if [ $$? -ne 0 ]; then \
+		go get -u github.com/kisielk/errcheck; \
+	fi
+	errcheck $(PACKAGES)
+
+lint:
+	@which golint > /dev/null; if [ $$? -ne 0 ]; then \
+		go get -u github.com/golang/lint/golint; \
+	fi
+	for PKG in $(PACKAGES); do golint -set_exit_status $$PKG || exit 1; done;
+
+test:
+	for PKG in $(PACKAGES); do go test -v -cover -coverprofile $$GOPATH/src/$$PKG/coverage.txt $$PKG || exit 1; done;
+
+html:
+	go tool cover -html=coverage.txt
+
+dep_install:
+	glide install
+
+dep_update:
+	glide up
+
+install: $(SOURCES)
+	go install -v -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)'
+
+build: $(EXECUTABLE)
+
+$(EXECUTABLE): $(SOURCES)
+	go build -v -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)' -o $@
+
+release: release-dirs release-build release-copy release-check
+
+release-dirs:
+	mkdir -p $(DIST)/binaries $(DIST)/release
+
+release-build:
+	@which gox > /dev/null; if [ $$? -ne 0 ]; then \
+		go get -u github.com/mitchellh/gox; \
+	fi
+	gox -os="$(TARGETS)" -arch="amd64 386" -tags="$(TAGS)" -ldflags="-s -w $(LDFLAGS)" -output="$(DIST)/binaries/$(EXECUTABLE)-$(VERSION)-{{.OS}}-{{.Arch}}"
+
+release-copy:
+	$(foreach file,$(wildcard $(DIST)/binaries/$(EXECUTABLE)-*),cp $(file) $(DIST)/release/$(notdir $(file));)
+
+release-check:
+	cd $(DIST)/release; $(foreach file,$(wildcard $(DIST)/release/$(EXECUTABLE)-*),sha256sum $(notdir $(file)) > $(notdir $(file)).sha256;)
+
+# for docker.
+static_build:
+	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)' -o $(DEPLOY_IMAGE)
+
+docker_image:
+	docker build -t $(DEPLOY_ACCOUNT)/$(DEPLOY_IMAGE) .
+
+docker: static_build docker_image
+
+docker_deploy:
+ifeq ($(tag),)
+	@echo "Usage: make $@ tag=<tag>"
+	@exit 1
+endif
+	# deploy image
+	docker tag $(DEPLOY_ACCOUNT)/$(DEPLOY_IMAGE):latest $(DEPLOY_ACCOUNT)/$(DEPLOY_IMAGE):$(tag)
+	docker push $(DEPLOY_ACCOUNT)/$(DEPLOY_IMAGE):$(tag)
+
+coverage:
+	sed -i '/main.go/d' coverage.txt
+	curl -s https://codecov.io/bash > .codecov && \
+	chmod +x .codecov && \
+	./.codecov -f coverage.txt
+
+clean:
+	go clean -x -i ./...
+	rm -rf coverage.txt $(EXECUTABLE) $(DIST) vendor
+
+version:
+	@echo $(VERSION)

plugin_test.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMissingKeyOrPassword(t *testing.T) {
+	plugin := Plugin{
+		Config{
+			Host: []string{"localhost"},
+			User: "ubuntu",
+		},
+	}
+
+	err := plugin.Exec()
+
+	assert.NotNil(t, err)
+}