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			369 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			369 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2015 Light Code Labs, LLC
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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 httpserver
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import (
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	"context"
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	"net/http"
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	"regexp"
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	"strings"
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	"testing"
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	"github.com/mholt/caddy"
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)
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func TestConditions(t *testing.T) {
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	tests := []struct {
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		condition string
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		isTrue    bool
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		shouldErr bool
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	}{
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		{"a is b", false, false},
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		{"a is a", true, false},
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		{"a not b", true, false},
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		{"a not a", false, false},
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		{"a has a", true, false},
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		{"a has b", false, false},
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		{"ba has b", true, false},
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		{"bab has b", true, false},
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		{"bab has bb", false, false},
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		{"a not_has a", false, false},
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		{"a not_has b", true, false},
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		{"ba not_has b", false, false},
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		{"bab not_has b", false, false},
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		{"bab not_has bb", true, false},
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		{"bab starts_with bb", false, false},
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		{"bab starts_with ba", true, false},
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		{"bab starts_with bab", true, false},
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		{"bab not_starts_with bb", true, false},
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		{"bab not_starts_with ba", false, false},
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		{"bab not_starts_with bab", false, false},
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		{"bab ends_with bb", false, false},
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		{"bab ends_with bab", true, false},
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		{"bab ends_with ab", true, false},
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		{"bab not_ends_with bb", true, false},
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		{"bab not_ends_with ab", false, false},
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		{"bab not_ends_with bab", false, false},
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		{"a match *", false, true},
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		{"a match a", true, false},
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		{"a match .*", true, false},
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		{"a match a.*", true, false},
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		{"a match b.*", false, false},
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		{"ba match b.*", true, false},
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		{"ba match b[a-z]", true, false},
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		{"b0 match b[a-z]", false, false},
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		{"b0a match b[a-z]", false, false},
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		{"b0a match b[a-z]+", false, false},
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		{"b0a match b[a-z0-9]+", true, false},
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		{"bac match b[a-z]{2}", true, false},
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		{"a not_match *", false, true},
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		{"a not_match a", false, false},
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		{"a not_match .*", false, false},
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		{"a not_match a.*", false, false},
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		{"a not_match b.*", true, false},
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		{"ba not_match b.*", false, false},
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		{"ba not_match b[a-z]", false, false},
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		{"b0 not_match b[a-z]", true, false},
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		{"b0a not_match b[a-z]", true, false},
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		{"b0a not_match b[a-z]+", true, false},
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		{"b0a not_match b[a-z0-9]+", false, false},
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		{"bac not_match b[a-z]{2}", false, false},
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	}
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	for i, test := range tests {
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		str := strings.Fields(test.condition)
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		ifCond, err := newIfCond(str[0], str[1], str[2])
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		if err != nil {
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			if !test.shouldErr {
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				t.Error(err)
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			}
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			continue
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		}
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		isTrue := ifCond.True(nil)
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		if isTrue != test.isTrue {
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			t.Errorf("Test %d: '%s' expected %v found %v", i, test.condition, test.isTrue, isTrue)
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		}
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	}
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	invalidOperators := []string{"ss", "and", "if"}
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	for _, op := range invalidOperators {
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		_, err := newIfCond("a", op, "b")
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		if err == nil {
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			t.Errorf("Invalid operator %v used, expected error.", op)
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		}
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	}
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	replaceTests := []struct {
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		url       string
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		condition string
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		isTrue    bool
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	}{
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		{"/home", "{uri} match /home", true},
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		{"/hom", "{uri} match /home", false},
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		{"/hom", "{uri} starts_with /home", false},
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		{"/hom", "{uri} starts_with /h", true},
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		{"/home/.hiddenfile", `{uri} match \/\.(.*)`, true},
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		{"/home/.hiddendir/afile", `{uri} match \/\.(.*)`, true},
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	}
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	for i, test := range replaceTests {
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		r, err := http.NewRequest("GET", test.url, nil)
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		if err != nil {
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			t.Errorf("Test %d: failed to create request: %v", i, err)
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			continue
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		}
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		ctx := context.WithValue(r.Context(), OriginalURLCtxKey, *r.URL)
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		r = r.WithContext(ctx)
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		str := strings.Fields(test.condition)
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		ifCond, err := newIfCond(str[0], str[1], str[2])
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		if err != nil {
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			t.Errorf("Test %d: failed to create 'if' condition %v", i, err)
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			continue
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		}
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		isTrue := ifCond.True(r)
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		if isTrue != test.isTrue {
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			t.Errorf("Test %v: expected %v found %v", i, test.isTrue, isTrue)
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			continue
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		}
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	}
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}
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func TestIfMatcher(t *testing.T) {
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	tests := []struct {
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		conditions []string
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		isOr       bool
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		isTrue     bool
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	}{
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		{
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			[]string{
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				"a is a",
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				"b is b",
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				"c is c",
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			},
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			false,
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			true,
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		},
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		{
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			[]string{
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				"a is b",
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				"b is c",
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				"c is c",
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			},
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			true,
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			true,
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		},
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		{
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			[]string{
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				"a is a",
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				"b is a",
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				"c is c",
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			},
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			false,
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			false,
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		},
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		{
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			[]string{
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				"a is b",
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				"b is c",
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				"c is a",
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			},
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			true,
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			false,
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		},
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		{
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			[]string{},
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			false,
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			true,
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		},
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		{
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			[]string{},
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			true,
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			false,
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		},
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	}
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	for i, test := range tests {
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		matcher := IfMatcher{isOr: test.isOr}
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		for _, condition := range test.conditions {
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			str := strings.Fields(condition)
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			ifCond, err := newIfCond(str[0], str[1], str[2])
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			if err != nil {
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				t.Error(err)
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			}
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			matcher.ifs = append(matcher.ifs, ifCond)
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		}
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		isTrue := matcher.Match(nil)
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		if isTrue != test.isTrue {
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			t.Errorf("Test %d: expected %v found %v", i, test.isTrue, isTrue)
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		}
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	}
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}
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func TestSetupIfMatcher(t *testing.T) {
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	rex_b, _ := regexp.Compile("b")
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	tests := []struct {
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		input     string
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		shouldErr bool
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		expected  IfMatcher
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	}{
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		{`test {
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			if	a match b
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		 }`, false, IfMatcher{
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			ifs: []ifCond{
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				{a: "a", op: "match", b: "b", neg: false, rex: rex_b},
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			},
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		}},
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		{`test {
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			if a match b
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			if_op or
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		 }`, false, IfMatcher{
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			ifs: []ifCond{
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				{a: "a", op: "match", b: "b", neg: false, rex: rex_b},
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			},
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			isOr: true,
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		}},
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		{`test {
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			if	a match
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		 }`, true, IfMatcher{},
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		},
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		{`test {
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			if	a isn't b
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		 }`, true, IfMatcher{},
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		},
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		{`test {
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			if a match b c
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		 }`, true, IfMatcher{},
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		},
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		{`test {
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			if goal has go
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			if cook not_has go
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		 }`, false, IfMatcher{
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			ifs: []ifCond{
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				{a: "goal", op: "has", b: "go", neg: false},
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				{a: "cook", op: "has", b: "go", neg: true},
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			},
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		}},
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		{`test {
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			if goal has go
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			if cook not_has go
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			if_op and
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		 }`, false, IfMatcher{
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			ifs: []ifCond{
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				{a: "goal", op: "has", b: "go", neg: false},
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				{a: "cook", op: "has", b: "go", neg: true},
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			},
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		}},
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		{`test {
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			if goal has go
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			if cook not_has go
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			if_op not
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		 }`, true, IfMatcher{},
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		},
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	}
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	for i, test := range tests {
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		c := caddy.NewTestController("http", test.input)
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		c.Next()
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		matcher, err := SetupIfMatcher(c)
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		if err == nil && test.shouldErr {
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			t.Errorf("Test %d didn't error, but it should have", i)
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		} else if err != nil && !test.shouldErr {
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			t.Errorf("Test %d errored, but it shouldn't have; got '%v'", i, err)
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		} else if err != nil && test.shouldErr {
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			continue
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		}
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		test_if, ok := matcher.(IfMatcher)
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		if !ok {
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			t.Error("RequestMatcher should be of type IfMatcher")
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		}
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		if err != nil {
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			t.Errorf("Expected no error, but got: %v", err)
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		}
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		if len(test_if.ifs) != len(test.expected.ifs) {
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			t.Errorf("Test %d: Expected %d ifConditions, found %v", i,
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				len(test.expected.ifs), len(test_if.ifs))
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		}
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		for j, if_c := range test_if.ifs {
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			expected_c := test.expected.ifs[j]
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			if if_c.a != expected_c.a {
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				t.Errorf("Test %d, ifCond %d: Expected A=%s, got %s",
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					i, j, if_c.a, expected_c.a)
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			}
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			if if_c.op != expected_c.op {
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				t.Errorf("Test %d, ifCond %d: Expected Op=%s, got %s",
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					i, j, if_c.op, expected_c.op)
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			}
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			if if_c.b != expected_c.b {
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				t.Errorf("Test %d, ifCond %d: Expected B=%s, got %s",
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					i, j, if_c.b, expected_c.b)
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			}
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			if if_c.neg != expected_c.neg {
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				t.Errorf("Test %d, ifCond %d: Expected Neg=%v, got %v",
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					i, j, if_c.neg, expected_c.neg)
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			}
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			if expected_c.rex != nil && if_c.rex == nil {
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				t.Errorf("Test %d, ifCond %d: Expected Rex=%v, got <nil>",
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					i, j, expected_c.rex)
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			}
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			if expected_c.rex == nil && if_c.rex != nil {
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				t.Errorf("Test %d, ifCond %d: Expected Rex=<nil>, got %v",
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					i, j, if_c.rex)
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			}
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			if expected_c.rex != nil && if_c.rex != nil {
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				if if_c.rex.String() != expected_c.rex.String() {
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					t.Errorf("Test %d, ifCond %d: Expected Rex=%v, got %v",
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						i, j, if_c.rex, expected_c.rex)
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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 TestIfMatcherKeyword(t *testing.T) {
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	tests := []struct {
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		keyword  string
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		expected bool
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	}{
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		{"if", true},
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		{"ifs", false},
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		{"tls", false},
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		{"http", false},
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		{"if_op", true},
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		{"if_type", false},
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		{"if_cond", false},
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	}
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	for i, test := range tests {
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		c := caddy.NewTestController("http", test.keyword)
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		c.Next()
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		valid := IfMatcherKeyword(c)
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		if valid != test.expected {
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			t.Errorf("Test %d: expected %v found %v", i, test.expected, valid)
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		}
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	}
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}
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