Feature: Improve DNS settings start log

internal/settings/dns_test.go

@@ -0,0 +1,60 @@
+package settings
+
+import (
+	"net"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_DNS_Lines(t *testing.T) {
+	t.Parallel()
+	testCases := map[string]struct {
+		settings DNS
+		lines    []string
+	}{
+		"disabled DOT": {
+			settings: DNS{
+				PlaintextAddress: net.IP{1, 1, 1, 1},
+			},
+			lines: []string{
+				"DNS over TLS disabled, using plaintext DNS 1.1.1.1",
+			},
+		},
+		"enabled DOT": {
+			settings: DNS{
+				Enabled: true,
+			},
+			lines: []string{
+				"DNS settings:",
+				" |--Unbound:",
+				"    |--DNS over TLS provider:",
+				"    |--Listening port: 0",
+				"    |--Access control:",
+				"       |--Allowed:",
+				"    |--Caching: disabled",
+				"    |--IPv4 resolution: disabled",
+				"    |--IPv6 resolution: disabled",
+				"    |--Verbosity level: 0/5",
+				"    |--Verbosity details level: 0/4",
+				"    |--Validation log level: 0/2",
+				"    |--Blocked hostnames:",
+				"    |--Blocked IP addresses:",
+				"    |--Allowed hostnames:",
+				" |--Block malicious: disabled",
+				" |--Block ads: disabled",
+				" |--Block surveillance: disabled",
+				" |--Update: deactivated",
+				" |--Keep nameserver (disabled blocking): no",
+			},
+		},
+	}
+	for name, testCase := range testCases {
+		testCase := testCase
+		t.Run(name, func(t *testing.T) {
+			t.Parallel()
+			lines := testCase.settings.lines()
+			assert.Equal(t, testCase.lines, lines)
+		})
+	}
+}