rename all remaining packages to internal/ (#12418)

This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`

internal/config/config_test.go

@@ -0,0 +1,133 @@
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package config
+
+import (
+	"testing"
+
+	"github.com/minio/madmin-go"
+)
+
+func TestKVFields(t *testing.T) {
+	tests := []struct {
+		input          string
+		keys           []string
+		expectedFields map[string]struct{}
+	}{
+		// No keys present
+		{
+			input:          "",
+			keys:           []string{"comment"},
+			expectedFields: map[string]struct{}{},
+		},
+		// No keys requested for tokenizing
+		{
+			input:          `comment="Hi this is my comment ="`,
+			keys:           []string{},
+			expectedFields: map[string]struct{}{},
+		},
+		// Single key requested and present
+		{
+			input:          `comment="Hi this is my comment ="`,
+			keys:           []string{"comment"},
+			expectedFields: map[string]struct{}{`comment="Hi this is my comment ="`: {}},
+		},
+		// Keys and input order of k=v is same.
+		{
+			input: `connection_string="host=localhost port=2832" comment="really long comment"`,
+			keys:  []string{"connection_string", "comment"},
+			expectedFields: map[string]struct{}{
+				`connection_string="host=localhost port=2832"`: {},
+				`comment="really long comment"`:                {},
+			},
+		},
+		// Keys with spaces in between
+		{
+			input: `enable=on format=namespace connection_string=" host=localhost port=5432 dbname = cesnietor sslmode=disable" table=holicrayoli`,
+			keys:  []string{"enable", "connection_string", "comment", "format", "table"},
+			expectedFields: map[string]struct{}{
+				`enable=on`:        {},
+				`format=namespace`: {},
+				`connection_string=" host=localhost port=5432 dbname = cesnietor sslmode=disable"`: {},
+				`table=holicrayoli`: {},
+			},
+		},
+		// One of the keys is not present and order of input has changed.
+		{
+			input: `comment="really long comment" connection_string="host=localhost port=2832"`,
+			keys:  []string{"connection_string", "comment", "format"},
+			expectedFields: map[string]struct{}{
+				`connection_string="host=localhost port=2832"`: {},
+				`comment="really long comment"`:                {},
+			},
+		},
+		// Incorrect delimiter, expected fields should be empty.
+		{
+			input:          `comment:"really long comment" connection_string:"host=localhost port=2832"`,
+			keys:           []string{"connection_string", "comment"},
+			expectedFields: map[string]struct{}{},
+		},
+		// Incorrect type of input v/s required keys.
+		{
+			input:          `comme="really long comment" connection_str="host=localhost port=2832"`,
+			keys:           []string{"connection_string", "comment"},
+			expectedFields: map[string]struct{}{},
+		},
+	}
+	for _, test := range tests {
+		test := test
+		t.Run("", func(t *testing.T) {
+			gotFields := madmin.KvFields(test.input, test.keys)
+			if len(gotFields) != len(test.expectedFields) {
+				t.Errorf("Expected keys %d, found %d", len(test.expectedFields), len(gotFields))
+			}
+			found := true
+			for _, field := range gotFields {
+				_, ok := test.expectedFields[field]
+				found = found && ok
+			}
+			if !found {
+				t.Errorf("Expected %s, got %s", test.expectedFields, gotFields)
+			}
+		})
+	}
+}
+
+func TestValidRegion(t *testing.T) {
+	tests := []struct {
+		name    string
+		success bool
+	}{
+		{name: "us-east-1", success: true},
+		{name: "us_east", success: true},
+		{name: "helloWorld", success: true},
+		{name: "-fdslka", success: false},
+		{name: "^00[", success: false},
+		{name: "my region", success: false},
+		{name: "%%$#!", success: false},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			ok := validRegionRegex.MatchString(test.name)
+			if test.success != ok {
+				t.Errorf("Expected %t, got %t", test.success, ok)
+			}
+		})
+	}
+}