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			459 lines
		
	
	
		
			9.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			459 lines
		
	
	
		
			9.4 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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| 
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| package caddy
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| 
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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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| 	"testing"
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| )
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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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| 
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| 	rep := testReplacer()
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| 
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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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| 		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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| 
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| func TestReplacerSet(t *testing.T) {
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| 	rep := testReplacer()
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| 
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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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| 
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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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| 
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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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| 
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| func TestReplacerReplaceKnown(t *testing.T) {
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| 	rep := Replacer{
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| 		providers: []ReplacerFunc{
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| 			// split our possible vars to two functions (to test if both functions are called)
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| 			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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| 			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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| 
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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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| 
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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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| 
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| func TestReplacerDelete(t *testing.T) {
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| 	rep := Replacer{
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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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| 
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| 	startLen := len(rep.static)
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| 
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| 	toDel := []string{
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| 		"key2", "key4",
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| 	}
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| 
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| 	for _, key := range toDel {
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| 		rep.Delete(key)
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| 
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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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| 
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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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| 
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| func TestReplacerMap(t *testing.T) {
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| 	rep := testReplacer()
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| 
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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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| 
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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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| 
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| func TestReplacerNew(t *testing.T) {
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| 	rep := NewReplacer()
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| 
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| 	if len(rep.providers) != 2 {
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| 		t.Errorf("Expected providers length '%v' got length '%v'", 2, len(rep.providers))
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| 	} else {
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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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| 		os.Setenv("CADDY_REPLACER_TEST", "envtest")
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| 		defer os.Setenv("CADDY_REPLACER_TEST", "")
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| 
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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: "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 := rep.providers[0](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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| 	}
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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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| 
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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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| 
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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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| }
 | |
| 
 | |
| func testReplacer() Replacer {
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| 	return Replacer{
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| 		providers: make([]ReplacerFunc, 0),
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| 		static:    make(map[string]any),
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| 	}
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| }
 |