mirror of https://github.com/caddyserver/caddy.git
518 lines
11 KiB
Go
518 lines
11 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package caddy
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import (
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"fmt"
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"os"
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"path/filepath"
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"runtime"
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"sync"
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"testing"
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)
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func TestReplacer(t *testing.T) {
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type testCase struct {
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input, expect, empty string
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}
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rep := testReplacer()
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// ReplaceAll
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for i, tc := range []testCase{
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{
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input: "{",
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expect: "{",
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},
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{
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input: `\{`,
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expect: `{`,
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},
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{
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input: "foo{",
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expect: "foo{",
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},
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{
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input: `foo\{`,
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expect: `foo{`,
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},
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{
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input: "foo{bar",
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expect: "foo{bar",
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},
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{
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input: `foo\{bar`,
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expect: `foo{bar`,
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},
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{
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input: "foo{bar}",
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expect: "foo",
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},
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{
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input: `foo\{bar\}`,
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expect: `foo{bar}`,
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},
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{
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input: "}",
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expect: "}",
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},
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{
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input: `\}`,
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expect: `}`,
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},
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{
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input: "{}",
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expect: "",
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},
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{
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input: `\{\}`,
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expect: `{}`,
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},
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{
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input: `{"json": "object"}`,
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expect: "",
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},
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{
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input: `\{"json": "object"}`,
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expect: `{"json": "object"}`,
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},
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{
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input: `\{"json": "object"\}`,
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expect: `{"json": "object"}`,
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},
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{
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input: `\{"json": "object{bar}"\}`,
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expect: `{"json": "object"}`,
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},
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{
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input: `\{"json": \{"nested": "object"\}\}`,
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expect: `{"json": {"nested": "object"}}`,
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},
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{
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input: `\{"json": \{"nested": "{bar}"\}\}`,
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expect: `{"json": {"nested": ""}}`,
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},
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{
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input: `pre \{"json": \{"nested": "{bar}"\}\}`,
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expect: `pre {"json": {"nested": ""}}`,
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},
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{
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input: `\{"json": \{"nested": "{bar}"\}\} post`,
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expect: `{"json": {"nested": ""}} post`,
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},
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{
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input: `pre \{"json": \{"nested": "{bar}"\}\} post`,
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expect: `pre {"json": {"nested": ""}} post`,
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},
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{
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input: `{{`,
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expect: "{{",
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},
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{
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input: `{{}`,
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expect: "",
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},
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{
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input: `{"json": "object"\}`,
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expect: "",
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},
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{
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input: `{unknown}`,
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empty: "-",
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expect: "-",
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},
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{
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input: `back\slashes`,
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expect: `back\slashes`,
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},
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{
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input: `double back\\slashes`,
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expect: `double back\\slashes`,
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},
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{
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input: `placeholder {with \{ brace} in name`,
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expect: `placeholder in name`,
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},
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{
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input: `placeholder {with \} brace} in name`,
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expect: `placeholder in name`,
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},
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{
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input: `placeholder {with \} \} braces} in name`,
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expect: `placeholder in name`,
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},
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{
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input: `\{'group':'default','max_age':3600,'endpoints':[\{'url':'https://some.domain.local/a/d/g'\}],'include_subdomains':true\}`,
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expect: `{'group':'default','max_age':3600,'endpoints':[{'url':'https://some.domain.local/a/d/g'}],'include_subdomains':true}`,
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},
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{
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input: `{}{}{}{\\\\}\\\\`,
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expect: `{\\\}\\\\`,
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},
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{
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input: string([]byte{0x26, 0x00, 0x83, 0x7B, 0x84, 0x07, 0x5C, 0x7D, 0x84}),
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expect: string([]byte{0x26, 0x00, 0x83, 0x7B, 0x84, 0x07, 0x7D, 0x84}),
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},
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{
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input: `\\}`,
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expect: `\}`,
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},
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} {
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actual := rep.ReplaceAll(tc.input, tc.empty)
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if actual != tc.expect {
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t.Errorf("Test %d: '%s': expected '%s' but got '%s'",
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i, tc.input, tc.expect, actual)
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}
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}
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}
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func TestReplacerSet(t *testing.T) {
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rep := testReplacer()
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for _, tc := range []struct {
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variable string
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value any
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}{
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{
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variable: "test1",
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value: "val1",
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},
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{
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variable: "asdf",
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value: "123",
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},
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{
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variable: "numbers",
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value: 123.456,
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},
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{
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variable: "äöü",
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value: "öö_äü",
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},
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{
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variable: "with space",
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value: "space value",
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},
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{
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variable: "1",
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value: "test-123",
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},
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{
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variable: "mySuper_IP",
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value: "1.2.3.4",
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},
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{
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variable: "testEmpty",
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value: "",
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},
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} {
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rep.Set(tc.variable, tc.value)
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// test if key is added
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if val, ok := rep.static[tc.variable]; ok {
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if val != tc.value {
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t.Errorf("Expected value '%s' for key '%s' got '%s'", tc.value, tc.variable, val)
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}
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} else {
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t.Errorf("Expected existing key '%s' found nothing", tc.variable)
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}
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}
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// test if all keys are still there (by length)
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length := len(rep.static)
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if len(rep.static) != 8 {
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t.Errorf("Expected length '%v' got '%v'", 7, length)
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}
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}
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func TestReplacerReplaceKnown(t *testing.T) {
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rep := Replacer{
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mapMutex: &sync.RWMutex{},
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providers: []replacementProvider{
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// split our possible vars to two functions (to test if both functions are called)
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ReplacerFunc(func(key string) (val any, ok bool) {
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switch key {
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case "test1":
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return "val1", true
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case "asdf":
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return "123", true
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case "äöü":
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return "öö_äü", true
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case "with space":
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return "space value", true
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default:
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return "NOOO", false
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}
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}),
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ReplacerFunc(func(key string) (val any, ok bool) {
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switch key {
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case "1":
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return "test-123", true
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case "mySuper_IP":
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return "1.2.3.4", true
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case "testEmpty":
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return "", true
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default:
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return "NOOO", false
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}
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}),
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},
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}
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for _, tc := range []struct {
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testInput string
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expected string
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}{
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{
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// test vars without space
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testInput: "{test1}{asdf}{äöü}{1}{with space}{mySuper_IP}",
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expected: "val1123öö_äütest-123space value1.2.3.4",
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},
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{
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// test vars with space
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testInput: "{test1} {asdf} {äöü} {1} {with space} {mySuper_IP} ",
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expected: "val1 123 öö_äü test-123 space value 1.2.3.4 ",
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},
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{
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// test with empty val
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testInput: "{test1} {testEmpty} {asdf} {1} ",
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expected: "val1 EMPTY 123 test-123 ",
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},
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{
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// test vars with not finished placeholders
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testInput: "{te{test1}{as{{df{1}",
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expected: "{teval1{as{{dftest-123",
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},
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{
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// test with non existing vars
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testInput: "{test1} {nope} {1} ",
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expected: "val1 {nope} test-123 ",
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},
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} {
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actual := rep.ReplaceKnown(tc.testInput, "EMPTY")
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// test if all are replaced as expected
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if actual != tc.expected {
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t.Errorf("Expected '%s' got '%s' for '%s'", tc.expected, actual, tc.testInput)
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}
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}
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}
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func TestReplacerDelete(t *testing.T) {
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rep := Replacer{
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mapMutex: &sync.RWMutex{},
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static: map[string]any{
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"key1": "val1",
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"key2": "val2",
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"key3": "val3",
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"key4": "val4",
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},
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}
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startLen := len(rep.static)
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toDel := []string{
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"key2", "key4",
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}
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for _, key := range toDel {
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rep.Delete(key)
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// test if key is removed from static map
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if _, ok := rep.static[key]; ok {
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t.Errorf("Expected '%s' to be removed. It is still in static map.", key)
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}
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}
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// check if static slice is smaller
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expected := startLen - len(toDel)
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actual := len(rep.static)
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if len(rep.static) != expected {
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t.Errorf("Expected length '%v' got length '%v'", expected, actual)
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}
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}
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func TestReplacerMap(t *testing.T) {
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rep := testReplacer()
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for i, tc := range []ReplacerFunc{
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func(key string) (val any, ok bool) {
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return "", false
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},
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func(key string) (val any, ok bool) {
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return "", false
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},
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} {
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rep.Map(tc)
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// test if function (which listens on specific key) is added by checking length
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if len(rep.providers) == i+1 {
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// check if the last function is the one we just added
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pTc := fmt.Sprintf("%p", tc)
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pRep := fmt.Sprintf("%p", rep.providers[i])
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if pRep != pTc {
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t.Errorf("Expected func pointer '%s' got '%s'", pTc, pRep)
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}
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} else {
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t.Errorf("Expected providers length '%v' got length '%v'", i+1, len(rep.providers))
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}
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}
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}
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func TestReplacerNew(t *testing.T) {
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repl := NewReplacer()
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if len(repl.providers) != 3 {
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t.Errorf("Expected providers length '%v' got length '%v'", 3, len(repl.providers))
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}
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// test if default global replacements are added as the first provider
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hostname, _ := os.Hostname()
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wd, _ := os.Getwd()
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os.Setenv("CADDY_REPLACER_TEST", "envtest")
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defer os.Setenv("CADDY_REPLACER_TEST", "")
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for _, tc := range []struct {
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variable string
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value string
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}{
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{
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variable: "system.hostname",
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value: hostname,
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},
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{
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variable: "system.slash",
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value: string(filepath.Separator),
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},
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{
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variable: "system.os",
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value: runtime.GOOS,
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},
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{
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variable: "system.arch",
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value: runtime.GOARCH,
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},
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{
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variable: "system.wd",
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value: wd,
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},
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{
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variable: "env.CADDY_REPLACER_TEST",
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value: "envtest",
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},
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} {
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if val, ok := repl.providers[0].replace(tc.variable); ok {
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if val != tc.value {
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t.Errorf("Expected value '%s' for key '%s' got '%s'", tc.value, tc.variable, val)
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}
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} else {
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t.Errorf("Expected key '%s' to be recognized by first provider", tc.variable)
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}
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}
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// test if file provider is added as the second provider
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for _, tc := range []struct {
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variable string
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value string
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}{
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{
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variable: "file.caddytest/integration/testdata/foo.txt",
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value: "foo",
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},
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} {
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if val, ok := repl.providers[1].replace(tc.variable); ok {
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if val != tc.value {
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t.Errorf("Expected value '%s' for key '%s' got '%s'", tc.value, tc.variable, val)
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}
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} else {
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t.Errorf("Expected key '%s' to be recognized by second provider", tc.variable)
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}
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}
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}
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func TestReplacerNewWithoutFile(t *testing.T) {
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repl := NewReplacer().WithoutFile()
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for _, tc := range []struct {
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variable string
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value string
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notFound bool
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}{
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{
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variable: "file.caddytest/integration/testdata/foo.txt",
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notFound: true,
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},
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{
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variable: "system.os",
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value: runtime.GOOS,
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},
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} {
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if val, ok := repl.Get(tc.variable); ok && !tc.notFound {
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if val != tc.value {
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t.Errorf("Expected value '%s' for key '%s' got '%s'", tc.value, tc.variable, val)
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}
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} else if !tc.notFound {
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t.Errorf("Expected key '%s' to be recognized", tc.variable)
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}
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}
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}
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func BenchmarkReplacer(b *testing.B) {
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type testCase struct {
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name, input, empty string
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}
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rep := testReplacer()
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rep.Set("str", "a string")
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rep.Set("int", 123.456)
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for _, bm := range []testCase{
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{
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name: "no placeholder",
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input: `simple string`,
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},
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{
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name: "string replacement",
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input: `str={str}`,
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},
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{
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name: "int replacement",
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input: `int={int}`,
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},
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{
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name: "placeholder",
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input: `{"json": "object"}`,
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},
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{
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name: "escaped placeholder",
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input: `\{"json": \{"nested": "{bar}"\}\}`,
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},
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} {
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b.Run(bm.name, func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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rep.ReplaceAll(bm.input, bm.empty)
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}
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})
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}
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}
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func testReplacer() Replacer {
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return Replacer{
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providers: make([]replacementProvider, 0),
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static: make(map[string]any),
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mapMutex: &sync.RWMutex{},
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}
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}
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