go lint/vet fixes

cmd/minikube/cmd/config/config_test.go

@@ -59,28 +59,33 @@ var configTestCases = []configTestCase{
 }
 
 func TestHiddenPrint(t *testing.T) {
-	testString := "gabbagabbahey"
-	b := new(bytes.Buffer)
-	_, err := b.WriteString(fmt.Sprintf("%s\r\n", testString)) // you need the \r!
-	if err != nil {
-		t.Errorf("Could not prepare bytestring")
+	testCases := []struct {
+		TestString  string
+		Verbose     bool
+		ShouldError bool
+	}{
+		{
+			TestString: "gabbagabbahey",
+		},
+		{
+			TestString: "gabbagabbahey",
+			Verbose:    true,
+		},
 	}
-	result, err := concealableAskForStaticValue(b, "hello", true)
-	if result != testString {
-		t.Errorf("Result %s not match %s", result, testString)
-	}
-}
-
-func TestVerbosePrint(t *testing.T) {
-	testString := "gabbagabbahey"
-	b := new(bytes.Buffer)
-	_, err := b.WriteString(fmt.Sprintf("%s\r\n", testString)) // you need the \r!
-	if err != nil {
-		t.Errorf("Could not prepare bytestring")
-	}
-	result, err := concealableAskForStaticValue(b, "hello", false)
-	if result != testString {
-		t.Errorf("Result %s not match %s", result, testString)
+	for _, test := range testCases {
+		b := new(bytes.Buffer)
+		_, err := b.WriteString(fmt.Sprintf("%s\r\n", test.TestString)) // you need the \r!
+		if err != nil {
+			t.Errorf("Could not prepare bytestring")
+		}
+		result, err := concealableAskForStaticValue(b, "hello", false)
+		if err != nil && !test.ShouldError {
+			t.Errorf("Error asking for concealable static value: %s", err)
+			continue
+		}
+		if result != test.TestString {
+			t.Errorf("Result %s not match %s", result, test.TestString)
+		}
 	}
 }
 

cmd/util/util_test.go

@@ -158,7 +158,7 @@ func TestKubectlDownloadMsg(t *testing.T) {
 				t.Errorf("Got output, but kubectl binary was found")
 			}
 			if !strings.Contains(actual, test.matches) {
-				t.Errorf("Output did not contain substring expected got output %s")
+				t.Errorf("Output did not contain substring expected got output %s", actual)
 			}
 		})
 	}

pkg/minikube/sshutil/sshutil.go

@@ -29,6 +29,7 @@ import (
 	"github.com/pkg/errors"
 	"golang.org/x/crypto/ssh"
 	"k8s.io/minikube/pkg/minikube/assets"
+	"k8s.io/minikube/pkg/util"
 )
 
 // SSHSession provides methods for running commands on a host.
@@ -63,23 +64,23 @@ func NewSSHClient(d drivers.Driver) (*ssh.Client, error) {
 }
 
 func DeleteAddon(a *assets.Addon, client *ssh.Client) error {
-	var err error
+	m := util.MultiError{}
 	for _, f := range a.Assets {
 		if err := DeleteFile(f, client); err != nil {
-			err = errors.Wrap(err, "")
+			m.Collect(err)
 		}
 	}
-	return err
+	return m.ToError()
 }
 
 func TransferAddon(a *assets.Addon, client *ssh.Client) error {
-	var err error
+	m := util.MultiError{}
 	for _, f := range a.Assets {
 		if err := TransferFile(f, client); err != nil {
-			errors.Wrap(err, "")
+			m.Collect(err)
 		}
 	}
-	return err
+	return m.ToError()
 }
 
 func TransferFile(f assets.CopyableFile, client *ssh.Client) error {

pkg/util/downloader_test.go

@@ -85,7 +85,7 @@ func TestShouldCacheMinikubeISO(t *testing.T) {
 
 	for input, expected := range tests {
 		if out := dler.ShouldCacheMinikubeISO(input); out != expected {
-			t.Fatalf("Expected ShouldCacheMinikubeISO with input %s to return %d but instead got: %t", input, expected, out)
+			t.Fatalf("Expected ShouldCacheMinikubeISO with input %s to return %t but instead got: %t", input, expected, out)
 		}
 	}
 }
@@ -100,14 +100,14 @@ func TestIsMinikubeISOCached(t *testing.T) {
 	expected := false
 
 	if out := dler.IsMinikubeISOCached(testFileURI); out != expected {
-		t.Fatalf("Expected IsMinikubeISOCached with input to return %s but instead got: %s", testFileURI, expected, out)
+		t.Fatalf("Expected IsMinikubeISOCached with input %s to return %t but instead got: %t", testFileURI, expected, out)
 	}
 
 	ioutil.WriteFile(filepath.Join(constants.GetMinipath(), "cache", "iso", "minikube-test.iso"), []byte(testISOString), os.FileMode(int(0644)))
 
 	expected = true
 	if out := dler.IsMinikubeISOCached(testFileURI); out != expected {
-		t.Fatalf("Expected IsMinikubeISOCached with input to return %s but instead got: %s", testFileURI, expected, out)
+		t.Fatalf("Expected IsMinikubeISOCached with input %s to return %t but instead got: %t", testFileURI, expected, out)
 	}
 
 }