Golang test basics

README.md

Golang test basics

1. Build the Dockerfile

docker build -t go-test .

2. Run the docker image

docker run -v ${PWD}:/go/src/app go-test

Dockerfile

FROM golang:1.11.5-alpine3.8

WORKDIR /go/src/app
VOLUME WORKDIR

CMD ["go", "test"]

main.go

package main

func add(x int, y int) int {
 return x + y
}

main_test.go

package main

import(
 "testing"
)

func TestAddShouldReturnTheSum(t *testing.T) {
 want := 4
 got := add(2,2)

 if want != got {
  t.Errorf("%d is not %d", want, got)
 }
}