use go generate for mockgen

Author: tylersouthwick

Dockerfile

@@ -11,7 +11,6 @@ RUN mkdir -p ${GOPATH}/src ${GOPATH}/bin
 ENV GO111MODULE on
 # Install Go Tools
 RUN go get -u golang.org/x/lint/golint
-RUN go get -u github.com/golang/mock/mockgen
 
 
 WORKDIR /src

README.md

@@ -580,6 +580,19 @@ Make sure you use the latest version in the image tag. Alternatiely you can use
 likely to break at any time.
 
 
+## Testing
+
+### Unit Tests
+
+To unit test *aws-nuke*, some tests require [gomock](https://github.com/golang/mock) to run.
+This will run via `go generate ./...`, but is automatically run via `make test`.
+To run the unit tests:
+
+```bash
+make test
+```
+
+
 ## Contact Channels
 
 Feel free to create a GitHub Issue for any questions, bug reports or feature

generate_mocks

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+go run github.com/golang/mock/mockgen -source $(go list -m -f "{{.Dir}}" "github.com/aws/aws-sdk-go")/service/cloudformation/cloudformationiface/interface.go -destination mocks/mock_cloudformationiface/mock.go

generate_test.go

@@ -0,0 +1,3 @@
+package main
+
+//go:generate ./generate_mocks

go.sum

@@ -71,6 +71,7 @@ golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20190425150028-36563e24a262 h1:qsl9y/CJx34tuA7QCPNp86JNJe4spst6Ff8MjvPUdPg=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

golang.mk

@@ -41,19 +41,19 @@ vet: vendor
 lint:
 	$(foreach pkg,$(GOPKGS),golint $(pkg);)
 
-generate_mocks:
+go_generate:
 	rm mocks -rvf
-	mockgen -source $(shell go list -m -f "{{.Dir}}" "github.com/aws/aws-sdk-go")/service/cloudformation/cloudformationiface/interface.go -destination mocks/mock_cloudformationiface/mock.go 
+	go generate ./...
 
 test_packages: vendor
 	go test $(GOPKGS)
 
 test_format:
 	gofmt -s -l $(GOFILES)
 
-test: test_format generate_mocks vet lint test_packages
+test: test_format go_generate vet lint test_packages
 
-cov: generate_mocks
+cov: go_generate
 	gocov test -v $(GOPKGS) \
 		| gocov-html > coverage.html
 
@@ -80,5 +80,5 @@ install: vendor test
 		$(BUILD_FLAGS);)
 
 clean:
-	rm dist/ -rv
-	rm mocks/ -rv
+	rm dist/ -rvf
+	rm mocks/ -rvf

tools/tools.go

@@ -0,0 +1,8 @@
+// +build tools
+
+package main
+
+// https://github.com/golang/go/wiki/Modules#how-can-i-track-tool-dependencies-for-a-module
+import (
+	_ "github.com/golang/mock/mockgen"
+)