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								// GoToSocial
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								// Copyright (C) GoToSocial Authors admin@gotosocial.org
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								// SPDX-License-Identifier: AGPL-3.0-or-later
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								//
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								// This program is free software: you can redistribute it and/or modify
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								// it under the terms of the GNU Affero General Public License as published by
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								// the Free Software Foundation, either version 3 of the License, or
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								// (at your option) any later version.
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								//
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								// This program is distributed in the hope that it will be useful,
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								// but WITHOUT ANY WARRANTY; without even the implied warranty of
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								// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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								// GNU Affero General Public License for more details.
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								//
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								// You should have received a copy of the GNU Affero General Public License
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								// along with this program.  If not, see <http://www.gnu.org/licenses/>.
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								package util_test
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								import (
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									"testing"
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									"code.superseriousbusiness.org/gotosocial/internal/util"
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									"github.com/stretchr/testify/suite"
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								)
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								type NamestringSuite struct {
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									suite.Suite
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								}
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								func (suite *NamestringSuite) TestExtractWebfingerParts() {
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									tests := []struct {
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										in, username, domain, err string
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									}{
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										{in: "acct:stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "acct:stonerkitty.monster@stonerkitty.monster:8080", username: "stonerkitty.monster", domain: "stonerkitty.monster:8080"},
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										{in: "acct:@stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "stonerkitty.monster@stonerkitty.monster:8080", username: "stonerkitty.monster", domain: "stonerkitty.monster:8080"},
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										{in: "@stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "acct:@@stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "acct:@stonerkitty.monster@@stonerkitty.monster", err: "couldn't match namestring @stonerkitty.monster@@stonerkitty.monster"},
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										{in: "@@stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "@stonerkitty.monster@@stonerkitty.monster", err: "couldn't match namestring @stonerkitty.monster@@stonerkitty.monster"},
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										{in: "s3:stonerkitty.monster@stonerkitty.monster", err: "unsupported scheme s3 for resource s3:stonerkitty.monster@stonerkitty.monster"},
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										{in: "https://stonerkitty.monster/users/stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "https://stonerkitty.monster/users/@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "https://stonerkitty.monster/@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "https://stonerkitty.monster/@@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "https://stonerkitty.monster:8080/users/stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster:8080"},
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										{in: "https://stonerkitty.monster/users/stonerkitty.monster/evil", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "https://stonerkitty.monster/@stonerkitty.monster/evil", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
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										{in: "/@stonerkitty.monster", err: "no scheme for resource /@stonerkitty.monster"},
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										{in: "/users/stonerkitty.monster", err: "no scheme for resource /users/stonerkitty.monster"},
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										{in: "@stonerkitty.monster", err: "failed to extract domain from: @stonerkitty.monster"},
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										{in: "users/stonerkitty.monster", err: "couldn't match namestring @users/stonerkitty.monster"},
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										{in: "https://stonerkitty.monster/users/", err: "failed to extract username from: https://stonerkitty.monster/users/"},
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										{in: "https://stonerkitty.monster/users/@", err: "failed to extract username from: https://stonerkitty.monster/users/@"},
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										{in: "https://stonerkitty.monster/@", err: "failed to extract username from: https://stonerkitty.monster/@"},
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										{in: "https://stonerkitty.monster/", err: "failed to extract username from: https://stonerkitty.monster/"},
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									}
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									for _, tt := range tests {
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										tt := tt
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										suite.Run(tt.in, func() {
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											suite.T().Parallel()
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											username, domain, err := util.ExtractWebfingerParts(tt.in)
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											if tt.err == "" {
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												suite.NoError(err)
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												suite.Equal(tt.username, username)
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												suite.Equal(tt.domain, domain)
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											} else {
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												if !suite.EqualError(err, tt.err) {
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													suite.T().Logf("expected error %s", tt.err)
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												}
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											}
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										})
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									}
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								}
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								func (suite *NamestringSuite) TestExtractNamestring() {
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									tests := []struct {
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										in, username, host, err string
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									}{
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										{in: "@stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", host: "stonerkitty.monster"},
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										{in: "@stonerkitty.monster", username: "stonerkitty.monster"},
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										{in: "@someone@somewhere", username: "someone", host: "somewhere"},
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										{in: "", err: "couldn't match namestring "},
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									}
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									for _, tt := range tests {
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										tt := tt
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										suite.Run(tt.in, func() {
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											suite.T().Parallel()
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											username, host, err := util.ExtractNamestringParts(tt.in)
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											if tt.err != "" {
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												suite.EqualError(err, tt.err)
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											} else {
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												suite.NoError(err)
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												suite.Equal(tt.username, username)
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												suite.Equal(tt.host, host)
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											}
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										})
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									}
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								}
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								func TestNamestringSuite(t *testing.T) {
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									suite.Run(t, &NamestringSuite{})
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								}
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