cgalo5758
88db730fcc
Introduce a commercial license option alongside AGPL-3.0-only, require a CLA for contributors, and document the terms in COMMERCIAL.md and NOTICE. Add a script to stamp SPDX headers on Go files and apply it across the tree.
53 lines
2.3 KiB
Go
53 lines
2.3 KiB
Go
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Commercial
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// SPDX-FileCopyrightText: 2025-2026 Christian Galo
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package dnsname
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import (
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"strings"
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"testing"
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)
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func TestValidateExternalFQDN(t *testing.T) {
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// Four maximal labels + three dots = 255 chars, over the 253 limit.
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overlongName := strings.Repeat("a", 63) + "." + strings.Repeat("b", 63) + "." +
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strings.Repeat("c", 63) + "." + strings.Repeat("d", 63)
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tests := []struct {
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name string
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domain string
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operatorRoots []string
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wantErr bool
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}{
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{"valid external domain", "wiki.example.org", []string{"example.test"}, false},
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{"valid deep external domain", "a.b.wiki.example.org", []string{"example.test"}, false},
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{"shape check only with no operator roots", "wiki.example.org", nil, false},
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{"empty root entry ignored", "wiki.example.org", []string{""}, false},
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{"punycode label accepted", "xn--53h.example.org", nil, false},
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{"similar suffix is not under an operator root", "notexample.test", []string{"example.test"}, false},
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{"clear of every operator root", "wiki.example.org", []string{"example.test", "other.test"}, false},
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{"single label rejected", "intranet", nil, true},
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{"empty rejected", "", nil, true},
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{"operator root itself rejected", "example.test", []string{"example.test"}, true},
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{"name under an operator root rejected", "foo.example.test", []string{"example.test"}, true},
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{"deep name under an operator root rejected", "a.b.example.test", []string{"example.test"}, true},
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{"name under a later operator root rejected", "a.other.test", []string{"example.test", "other.test"}, true},
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{"uppercase rejected — caller must normalize", "Wiki.Example.org", nil, true},
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{"label over 63 chars rejected", strings.Repeat("a", 64) + ".example.org", nil, true},
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{"total over 253 chars rejected", overlongName, nil, true},
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{"leading hyphen rejected", "-wiki.example.org", nil, true},
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{"empty label rejected", "wiki..example.org", nil, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := ValidateExternalFQDN(tt.domain, tt.operatorRoots)
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if tt.wantErr && got == "" {
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t.Errorf("ValidateExternalFQDN(%q, %v) = no error, want error", tt.domain, tt.operatorRoots)
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}
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if !tt.wantErr && got != "" {
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t.Errorf("ValidateExternalFQDN(%q, %v) = %q, want no error", tt.domain, tt.operatorRoots, got)
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}
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})
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}
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}
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