Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/channels/app/featureflag/feature_flags_sync_test.go

@@ -0,0 +1,111 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package featureflag
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+)
+
+func TestGetStructFields(t *testing.T) {
+	type testStruct struct {
+		FieldOne       string
+		SecondField    bool
+		SomeOtherField int
+	}
+
+	fields := getStructFields(testStruct{})
+	require.Equal(t,
+		[]string{
+			"FieldOne",
+			"SecondField",
+			"SomeOtherField",
+		},
+		fields,
+	)
+
+	featureFlagsFields := getStructFields(model.FeatureFlags{})
+	require.Contains(t, featureFlagsFields, "TestFeature")
+}
+
+func TestFeatureFlagsFromMap(t *testing.T) {
+	for name, tc := range map[string]struct {
+		FeatureMap        map[string]string
+		Base              model.FeatureFlags
+		ExpectedTestValue string
+	}{
+		"empty": {
+			FeatureMap:        map[string]string{},
+			Base:              model.FeatureFlags{},
+			ExpectedTestValue: "",
+		},
+		"no base value": {
+			FeatureMap:        map[string]string{"TestFeature": "expectedvalue"},
+			Base:              model.FeatureFlags{},
+			ExpectedTestValue: "expectedvalue",
+		},
+		"only base value": {
+			FeatureMap:        map[string]string{},
+			Base:              model.FeatureFlags{TestFeature: "somebasevalue"},
+			ExpectedTestValue: "somebasevalue",
+		},
+		"override base value": {
+			FeatureMap:        map[string]string{"TestFeature": "overridevalue"},
+			Base:              model.FeatureFlags{TestFeature: "somebasevalue"},
+			ExpectedTestValue: "overridevalue",
+		},
+		"override base value with extras": {
+			FeatureMap:        map[string]string{"TestFeature": "overridevalue", "SomeOldFlag": "oldvalue"},
+			Base:              model.FeatureFlags{TestFeature: "somebasevalue"},
+			ExpectedTestValue: "overridevalue",
+		},
+		"all values do not exist": {
+			FeatureMap:        map[string]string{"SomeOldFlag": "oldvalue"},
+			Base:              model.FeatureFlags{},
+			ExpectedTestValue: "",
+		},
+		"bool on": {
+			FeatureMap:        map[string]string{"TestBoolFeature": "on"},
+			Base:              model.FeatureFlags{TestBoolFeature: true},
+			ExpectedTestValue: "",
+		},
+		"bool true": {
+			FeatureMap:        map[string]string{"TestBoolFeature": "true"},
+			Base:              model.FeatureFlags{TestBoolFeature: true},
+			ExpectedTestValue: "",
+		},
+		"bool True": {
+			FeatureMap:        map[string]string{"TestBoolFeature": "True"},
+			Base:              model.FeatureFlags{TestBoolFeature: true},
+			ExpectedTestValue: "",
+		},
+		"bool 1": {
+			FeatureMap:        map[string]string{"TestBoolFeature": "1"},
+			Base:              model.FeatureFlags{TestBoolFeature: true},
+			ExpectedTestValue: "",
+		},
+		"bool off": {
+			FeatureMap:        map[string]string{"TestBoolFeature": "off"},
+			Base:              model.FeatureFlags{},
+			ExpectedTestValue: "",
+		},
+		"bool false": {
+			FeatureMap:        map[string]string{"TestBoolFeature": "false"},
+			Base:              model.FeatureFlags{},
+			ExpectedTestValue: "",
+		},
+		"bool other value": {
+			FeatureMap:        map[string]string{"TestBoolFeature": "someotherbadvalue"},
+			Base:              model.FeatureFlags{},
+			ExpectedTestValue: "",
+		},
+	} {
+		t.Run(name, func(t *testing.T) {
+			require.Equal(t, tc.ExpectedTestValue, featureFlagsFromMap(tc.FeatureMap, tc.Base).TestFeature)
+		})
+	}
+}