Update faas-provider version

Signed-off-by: Alex Ellis <alexellis2@gmail.com>

gateway/vendor/github.com/openfaas/faas-provider/auth/credentials_test.go

@@ -0,0 +1,64 @@
+// Copyright (c) OpenFaaS Author(s). All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+package auth
+
+import (
+	"io/ioutil"
+	"os"
+	"path"
+	"testing"
+)
+
+func Test_ReadFromCustomLocation_AndNames(t *testing.T) {
+	tmp := os.TempDir()
+
+	userWant := "admin"
+	ioutil.WriteFile(path.Join(tmp, "user.txt"), []byte(userWant), 0700)
+
+	passWant := "test1234"
+	ioutil.WriteFile(path.Join(tmp, "pass.txt"), []byte(passWant), 0700)
+
+	reader := ReadBasicAuthFromDisk{
+		SecretMountPath:  tmp,
+		UserFilename:     "user.txt",
+		PasswordFilename: "pass.txt",
+	}
+
+	creds, err := reader.Read()
+	if err != nil {
+		t.Errorf("can't read secrets: %s", err.Error())
+	}
+
+	if creds.User != userWant {
+		t.Errorf("user, want: %s, got %s", userWant, creds.User)
+	}
+	if creds.Password != passWant {
+		t.Errorf("password, want: %s, got %s", passWant, creds.Password)
+	}
+}
+
+func Test_ReadFromCustomLocation_DefaultNames(t *testing.T) {
+	tmp := os.TempDir()
+	userWant := "admin"
+	ioutil.WriteFile(path.Join(tmp, "basic-auth-user"), []byte(userWant), 0700)
+
+	passWant := "test1234"
+	ioutil.WriteFile(path.Join(tmp, "basic-auth-password"), []byte(passWant), 0700)
+
+	reader := ReadBasicAuthFromDisk{
+		SecretMountPath: tmp,
+	}
+
+	creds, err := reader.Read()
+	if err != nil {
+		t.Errorf("can't read secrets: %s", err.Error())
+	}
+
+	if creds.User != userWant {
+		t.Errorf("user, want: %s, got %s", userWant, creds.User)
+	}
+	if creds.Password != passWant {
+		t.Errorf("password, want: %s, got %s", passWant, creds.Password)
+	}
+}