Put kubeconfig tests in a separate suite [#5]

As I started writing tests for EKS config, dealing with the repeated
setup/verification code was cumbersome. This should make it much easier
to add new tests.

internal/run/initkube_test.go

@@ -2,7 +2,6 @@ package run
 
 import (
 	"github.com/stretchr/testify/suite"
-	yaml "gopkg.in/yaml.v2"
 	"io/ioutil"
 	"os"
 	"testing"
@@ -58,59 +57,6 @@ namespace: Cisco
 	suite.Equal(want, string(conf))
 }
 
-func (suite *InitKubeTestSuite) TestExecuteGeneratesConfig() {
-	configFile, err := tempfile("kubeconfig********.yml", "")
-	defer os.Remove(configFile.Name())
-	suite.Require().NoError(err)
-
-	cfg := Config{
-		Namespace: "marshmallow",
-	}
-	init := InitKube{
-		ConfigFile:     configFile.Name(),
-		TemplateFile:   "../../assets/kubeconfig.tpl", // the actual kubeconfig template
-		APIServer:      "https://kube.cluster/peanut",
-		ServiceAccount: "chef",
-		Token:          "eWVhaCB3ZSB0b2tpbic=",
-		Certificate:    "d293LCB5b3UgYXJlIHNvIGNvb2wgZm9yIHNtb2tpbmcgd2VlZCDwn5mE",
-	}
-	suite.Require().NoError(init.Prepare(cfg))
-	suite.Require().NoError(init.Execute(cfg))
-
-	contents, err := ioutil.ReadFile(configFile.Name())
-	suite.Require().NoError(err)
-
-	// each setting should be reflected in the generated file
-	expectations := []string{
-		"namespace: marshmallow",
-		"server: https://kube.cluster/peanut",
-		"user: chef",
-		"name: chef",
-		"token: eWVhaCB3ZSB0b2tpbic",
-		"certificate-authority-data: d293LCB5b3UgYXJlIHNvIGNvb2wgZm9yIHNtb2tpbmcgd2VlZCDwn5mE",
-	}
-	for _, expected := range expectations {
-		suite.Contains(string(contents), expected)
-	}
-
-	// the generated config should be valid yaml, with no repeated keys
-	conf := map[string]interface{}{}
-	suite.NoError(yaml.UnmarshalStrict(contents, &conf))
-
-	// test the other branch of the certificate/SkipTLSVerify conditional
-	init.SkipTLSVerify = true
-	init.Certificate = ""
-
-	suite.Require().NoError(init.Prepare(cfg))
-	suite.Require().NoError(init.Execute(cfg))
-	contents, err = ioutil.ReadFile(configFile.Name())
-	suite.Require().NoError(err)
-	suite.Contains(string(contents), "insecure-skip-tls-verify: true")
-
-	conf = map[string]interface{}{}
-	suite.NoError(yaml.UnmarshalStrict(contents, &conf))
-}
-
 func (suite *InitKubeTestSuite) TestPrepareParseError() {
 	templateFile, err := tempfile("kubeconfig********.yml.tpl", `{{ NonexistentFunction }}`)
 	defer os.Remove(templateFile.Name())