Update with go mod and testing for latests golang. (#1)

* Added go mod and fixed the tests for old versions of Golang that were failing due to the ginkgo version (which is only for testing purposes). Using go test instead of ginkgo as a command.

Author: gguridi

.gitignore

@@ -10,3 +10,6 @@
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
+.history/
+.vscode/
+coverage.txt

.travis.yml

@@ -4,14 +4,13 @@ go:
   - "1.10"
   - 1.11
   - 1.12
+  - 1.13
+  - 1.14
+  - 1.15
   - tip
 
-before_install:
-- go get github.com/onsi/ginkgo/ginkgo
-- go get github.com/onsi/gomega/...
-
 script:
-  - ginkgo -r --cover --trace --race -coverprofile=coverage.txt -covermode=atomic
+  - go test -cover -trace -race -coverprofile=coverage.txt -covermode=atomic ./...
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

go.mod

@@ -0,0 +1,8 @@
+module github.com/gguridi/graphite-client
+
+go 1.10
+
+require (
+	github.com/onsi/ginkgo v1.14.1
+	github.com/onsi/gomega v1.10.2
+)

go.sum

@@ -0,0 +1,63 @@
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graphite_test.go

@@ -2,10 +2,11 @@ package graphite_test
 
 import (
 	"bytes"
+	"net"
+
 	. "github.com/gguridi/graphite-client"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-	"net"
 )
 
 var _ = Describe("graphite client", func() {
@@ -136,7 +137,7 @@ var _ = Describe("graphite client", func() {
 		It("connects returns an error if graphite host is not reacheable", func() {
 			client = NewGraphiteUDP(&Config{
 				Host: "unknown",
-				Port: 3001,
+				Port: 103006,
 			})
 			err := client.Connect()
 			Expect(err).To(HaveOccurred())