Tweak some stdlib usage so we compile under Go 1.14.

Mainly, avoid using some `testing` helpers that were added in 1.14, as well as a couple of other niceties we can live without.

Signed-off-by: Matt Moyer <moyerm@vmware.com>

internal/fosite/authorizationcode/authorizationcode_test.go

@@ -58,16 +58,15 @@ func TestAuthorizeCodeStorage(t *testing.T) {
 				request := &fosite.AuthorizeRequest{
 					ResponseTypes: fosite.Arguments{"not-code"},
 					RedirectURI: &url.URL{
-						Scheme:      "",
+						Scheme:     "",
-						Opaque:      "weee",
+						Opaque:     "weee",
-						User:        &url.Userinfo{},
+						User:       &url.Userinfo{},
-						Host:        "",
+						Host:       "",
-						Path:        "/callback",
+						Path:       "/callback",
-						RawPath:     "",
+						RawPath:    "",
-						ForceQuery:  false,
+						ForceQuery: false,
-						RawQuery:    "",
+						RawQuery:   "",
-						Fragment:    "",
+						Fragment:   "",
-						RawFragment: "",
 					},
 					State:                "stated",
 					HandledResponseTypes: fosite.Arguments{"not-type"},

internal/testutil/tempdir.go

@@ -0,0 +1,14 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+// +build !go1.14
+
+package testutil
+
+import (
+	"testing"
+)
+
+func TempDir(t *testing.T) string {
+	return t.TempDir()
+}

internal/testutil/tempdir_go1.14.go

@@ -0,0 +1,24 @@
+// Copyright 2020 the Pinniped contributors. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+// +build go1.14
+
+package testutil
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TempDir(t *testing.T) string {
+	t.Helper()
+	dir, err := ioutil.TempDir("", "test-*")
+	require.NoError(t, err)
+	t.Cleanup(func() {
+		require.NoError(t, os.RemoveAll(dir))
+	})
+	return dir
+}

pkg/oidcclient/filesession/cachefile_test.go

@@ -11,6 +11,7 @@ import (
 	"github.com/stretchr/testify/require"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
+	"go.pinniped.dev/internal/testutil"
 	"go.pinniped.dev/pkg/oidcclient"
 )
 
@@ -111,7 +112,7 @@ func TestWriteTo(t *testing.T) {
 	t.Parallel()
 	t.Run("io error", func(t *testing.T) {
 		t.Parallel()
-		tmp := t.TempDir() + "/sessions.yaml"
+		tmp := testutil.TempDir(t) + "/sessions.yaml"
 		require.NoError(t, os.Mkdir(tmp, 0700))
 		err := validSession.writeTo(tmp)
 		require.EqualError(t, err, "open "+tmp+": is a directory")
@@ -119,7 +120,7 @@ func TestWriteTo(t *testing.T) {
 
 	t.Run("success", func(t *testing.T) {
 		t.Parallel()
-		require.NoError(t, validSession.writeTo(t.TempDir()+"/sessions.yaml"))
+		require.NoError(t, validSession.writeTo(testutil.TempDir(t)+"/sessions.yaml"))
 	})
 }
 

pkg/oidcclient/filesession/filesession_test.go

@@ -15,12 +15,13 @@ import (
 	"github.com/stretchr/testify/require"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
+	"go.pinniped.dev/internal/testutil"
 	"go.pinniped.dev/pkg/oidcclient"
 )
 
 func TestNew(t *testing.T) {
 	t.Parallel()
-	tmp := t.TempDir() + "/sessions.yaml"
+	tmp := testutil.TempDir(t) + "/sessions.yaml"
 	c := New(tmp)
 	require.NotNil(t, c)
 	require.Equal(t, tmp, c.path)
@@ -186,7 +187,7 @@ func TestGetToken(t *testing.T) {
 		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
-			tmp := t.TempDir() + "/sessions.yaml"
+			tmp := testutil.TempDir(t) + "/sessions.yaml"
 			if tt.makeTestFile != nil {
 				tt.makeTestFile(t, tmp)
 			}
@@ -417,7 +418,7 @@ func TestPutToken(t *testing.T) {
 		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
-			tmp := t.TempDir() + "/sessiondir/sessions.yaml"
+			tmp := testutil.TempDir(t) + "/sessiondir/sessions.yaml"
 			if tt.makeTestFile != nil {
 				tt.makeTestFile(t, tmp)
 			}

test/integration/cli_test.go

@@ -26,6 +26,7 @@ import (
 	"gopkg.in/square/go-jose.v2"
 	clientauthenticationv1beta1 "k8s.io/client-go/pkg/apis/clientauthentication/v1beta1"
 
+	"go.pinniped.dev/internal/testutil"
 	"go.pinniped.dev/pkg/oidcclient"
 	"go.pinniped.dev/pkg/oidcclient/filesession"
 	"go.pinniped.dev/test/library"
@@ -187,7 +188,7 @@ func TestCLILoginOIDC(t *testing.T) {
 	pinnipedExe := buildPinnipedCLI(t)
 
 	// Make a temp directory to hold the session cache for this test.
-	sessionCachePath := t.TempDir() + "/sessions.yaml"
+	sessionCachePath := testutil.TempDir(t) + "/sessions.yaml"
 
 	// Start the CLI running the "alpha login oidc [...]" command with stdout/stderr connected to pipes.
 	cmd := oidcLoginCommand(ctx, t, pinnipedExe, sessionCachePath)
@@ -433,7 +434,7 @@ func oidcLoginCommand(ctx context.Context, t *testing.T, pinnipedExe string, ses
 
 	// If there is a custom CA bundle, pass it via --ca-bundle and a temporary file.
 	if env.CLITestUpstream.CABundle != "" {
-		path := filepath.Join(t.TempDir(), "test-ca.pem")
+		path := filepath.Join(testutil.TempDir(t), "test-ca.pem")
 		require.NoError(t, ioutil.WriteFile(path, []byte(env.CLITestUpstream.CABundle), 0600))
 		cmd.Args = append(cmd.Args, "--ca-bundle", path)
 	}

test/integration/supervisor_discovery_test.go

@@ -231,7 +231,8 @@ func TestSupervisorTLSTerminationWithDefaultCerts(t *testing.T) {
 	if len(hostAndPortSegments) > 1 {
 		port = hostAndPortSegments[1]
 	}
-	ips, err := net.DefaultResolver.LookupIP(ctx, "ip4", hostname)
+
+	ips, err := net.DefaultResolver.LookupIPAddr(ctx, hostname)
 	require.NoError(t, err)
 	ip := ips[0]
 	ipAsString := ip.String()
@@ -248,7 +249,7 @@ func TestSupervisorTLSTerminationWithDefaultCerts(t *testing.T) {
 	requireEndpointHasTLSErrorBecauseCertificatesAreNotReady(t, issuerUsingIPAddress)
 
 	// Create a Secret at the special name which represents the default TLS cert.
-	defaultCA := createTLSCertificateSecret(ctx, t, ns, "cert-hostname-doesnt-matter", []net.IP{ip}, defaultTLSCertSecretName(env), kubeClient)
+	defaultCA := createTLSCertificateSecret(ctx, t, ns, "cert-hostname-doesnt-matter", []net.IP{ip.IP}, defaultTLSCertSecretName(env), kubeClient)
 
 	// Now that the Secret exists, we should be able to access the endpoints by IP address using the CA.
 	_ = requireDiscoveryEndpointsAreWorking(t, scheme, ipWithPort, string(defaultCA.Bundle()), issuerUsingIPAddress, nil)