From 07c785e294e70494ae6016d59749a71af3f74920 Mon Sep 17 00:00:00 2001
From: Harrison Healey <harrisonmhealey@gmail.com>
Date: Thu, 21 Jun 2018 10:30:20 -0400
Subject: MM-10730 Added support for empty environment variables to viper
 (#8973)

---
 vendor/github.com/mattermost/viper/flags_test.go | 65 ++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 vendor/github.com/mattermost/viper/flags_test.go

(limited to 'vendor/github.com/mattermost/viper/flags_test.go')

diff --git a/vendor/github.com/mattermost/viper/flags_test.go b/vendor/github.com/mattermost/viper/flags_test.go
new file mode 100644
index 000000000..0b976b605
--- /dev/null
+++ b/vendor/github.com/mattermost/viper/flags_test.go
@@ -0,0 +1,65 @@
+package viper
+
+import (
+	"testing"
+
+	"github.com/spf13/pflag"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestBindFlagValueSet(t *testing.T) {
+	flagSet := pflag.NewFlagSet("test", pflag.ContinueOnError)
+
+	var testValues = map[string]*string{
+		"host":     nil,
+		"port":     nil,
+		"endpoint": nil,
+	}
+
+	var mutatedTestValues = map[string]string{
+		"host":     "localhost",
+		"port":     "6060",
+		"endpoint": "/public",
+	}
+
+	for name := range testValues {
+		testValues[name] = flagSet.String(name, "", "test")
+	}
+
+	flagValueSet := pflagValueSet{flagSet}
+
+	err := BindFlagValues(flagValueSet)
+	if err != nil {
+		t.Fatalf("error binding flag set, %v", err)
+	}
+
+	flagSet.VisitAll(func(flag *pflag.Flag) {
+		flag.Value.Set(mutatedTestValues[flag.Name])
+		flag.Changed = true
+	})
+
+	for name, expected := range mutatedTestValues {
+		assert.Equal(t, Get(name), expected)
+	}
+}
+
+func TestBindFlagValue(t *testing.T) {
+	var testString = "testing"
+	var testValue = newStringValue(testString, &testString)
+
+	flag := &pflag.Flag{
+		Name:    "testflag",
+		Value:   testValue,
+		Changed: false,
+	}
+
+	flagValue := pflagValue{flag}
+	BindFlagValue("testvalue", flagValue)
+
+	assert.Equal(t, testString, Get("testvalue"))
+
+	flag.Value.Set("testing_mutate")
+	flag.Changed = true //hack for pflag usage
+
+	assert.Equal(t, "testing_mutate", Get("testvalue"))
+}
-- 
cgit v1.2.3-1-g7c22