rbd: add unittests for IsMigrationSecret and ParseAndSetSecretMapFromMigSecret

This commit adds unit tests for newly introduced migration specific
functions.

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

internal/util/credentials_test.go

@@ -0,0 +1,100 @@
+/*
+Copyright 2021 The Ceph-CSI Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package util
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestIsMigrationSecret(t *testing.T) {
+	t.Parallel()
+	tests := []struct {
+		name string
+		vc   map[string]string
+		want bool
+	}{
+		{
+			"proper migration secret key set",
+			map[string]string{"key": "QVFBOFF2SlZheUJQRVJBQWgvS2cwT1laQUhPQno3akZwekxxdGc9PQ=="},
+			true,
+		},
+		{
+			"no key set",
+			map[string]string{"": ""},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		newtt := tt
+		t.Run(newtt.name, func(t *testing.T) {
+			t.Parallel()
+			if got := IsMigrationSecret(newtt.vc); got != newtt.want {
+				t.Errorf("isMigrationSecret() = %v, want %v", got, newtt.want)
+			}
+		})
+	}
+}
+
+func TestParseAndSetSecretMapFromMigSecret(t *testing.T) {
+	t.Parallel()
+	tests := []struct {
+		name      string
+		secretmap map[string]string
+		want      map[string]string
+		wantErr   bool
+	}{
+		{
+			"valid migration secret key set",
+			map[string]string{"key": "QVFBOFF2SlZheUJQRVJBQWgvS2cwT1laQUhPQno3akZwekxxdGc9PQ=="},
+			map[string]string{"userKey": "QVFBOFF2SlZheUJQRVJBQWgvS2cwT1laQUhPQno3akZwekxxdGc9PQ==", "userID": "admin"},
+			false,
+		},
+		{
+			"migration secret key value nil",
+			map[string]string{"key": ""},
+			nil,
+			true,
+		},
+		{
+			"migration secret key field nil",
+			map[string]string{"": ""},
+			nil,
+			true,
+		},
+		{
+			"valid migration secret key and userID set",
+			map[string]string{"key": "QVFBOFF2SlZheUJQRVJBQWgvS2cwT1laQUhPQno3akZwekxxdGc9PQ==", "adminId": "pooladmin"},
+			map[string]string{"userKey": "QVFBOFF2SlZheUJQRVJBQWgvS2cwT1laQUhPQno3akZwekxxdGc9PQ==", "userID": "pooladmin"},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		newtt := tt
+		t.Run(newtt.name, func(t *testing.T) {
+			t.Parallel()
+			got, err := ParseAndSetSecretMapFromMigSecret(newtt.secretmap)
+			if (err != nil) != newtt.wantErr {
+				t.Errorf("ParseAndSetSecretMapFromMigSecret() error = %v, wantErr %v", err, newtt.wantErr)
+
+				return
+			}
+			if !reflect.DeepEqual(got, newtt.want) {
+				t.Errorf("ParseAndSetSecretMapFromMigSecret() got = %v, want %v", got, newtt.want)
+			}
+		})
+	}
+}