236 lines
7.3 KiB
Go
236 lines
7.3 KiB
Go
package utils
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import (
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"testing"
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)
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func TestGenerateSemiGenericRegex(t *testing.T) {
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tests := []struct {
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name string
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identifiers []string
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secretRegex string
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isCaseInsensitive []bool
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validStrings []string
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invalidStrings []string
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}{
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{
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name: "secret is case sensitive, if isCaseInsensitive is false",
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identifiers: []string{"api_key"},
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secretRegex: `[a-z]{3}`,
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isCaseInsensitive: []bool{false},
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validStrings: []string{"api_key=xxx"},
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invalidStrings: []string{"api_key=XXX", "api_key=xXx"},
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},
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{
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name: "secret is case insensitive, if isCaseInsensitive is true",
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identifiers: []string{"api_key"},
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secretRegex: `[a-z]{3}`,
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isCaseInsensitive: []bool{true},
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validStrings: []string{"api_key=xxx", "api_key=XXX", "api_key=xXx"},
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invalidStrings: []string{"api_key=x!x"},
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},
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{
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name: "identifier is case insensitive, regardless of isCaseInsensitive",
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identifiers: []string{"api_key"},
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secretRegex: `[a-z]{3}`,
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isCaseInsensitive: []bool{true, false},
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validStrings: []string{"api_key=xxx", "ApI_KeY=xxx", "aPi_kEy=xxx", "API_KEY=xxx"},
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invalidStrings: []string{"api!key=xxx"},
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},
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{
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name: "identifier can be case sensitive",
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identifiers: []string{"(?-i:[Aa]pi_?[Kk]ey|API_?KEY)"},
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secretRegex: `[a-z]{3}`,
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isCaseInsensitive: []bool{true, false},
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validStrings: []string{"apikey=xxx", "ApiKey=xxx", "Apikey=xxx", "APIKEY=xxx", "api_key=xxx"},
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invalidStrings: []string{"ApIKeY=xxx", "aPikEy=xxx"},
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},
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{
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name: "identifier can be part of a longer word",
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identifiers: []string{"key"},
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secretRegex: `[a-z]{3}`,
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isCaseInsensitive: []bool{true, false},
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validStrings: []string{"mykey=xxx", "keys=xxx", "key1=xxx", "keystore=xxx", "monkey=xxx"},
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invalidStrings: []string{},
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},
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{
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name: "identifier may be followed by specific characters",
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identifiers: []string{"api_key"},
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secretRegex: `[a-z]{3}`,
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isCaseInsensitive: []bool{true, false},
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validStrings: []string{
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"api_key-----=xxx",
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"api_key.....=xxx",
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"api_key_____=xxx",
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"'''api_key'''=xxx",
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`"""api_key"""=xxx`,
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"api_key =xxx",
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"api_key\t\t\t\t\t=xxx",
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"api_key\n\n\n=xxx", // potentially invalid?,
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"api_key\r\n=xxx",
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// "api_key|||=xxx",
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},
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invalidStrings: []string{
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"api_key&=xxx",
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"$api_key$=xxx",
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"%api_key%=xxx",
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"api_key[0]=xxx",
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"api_key/*REMOVE*/=xxx",
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},
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},
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{
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name: "identifier and secret must be separated by specific operators",
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identifiers: []string{"api_key"},
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secretRegex: `[a-z]{3}`,
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isCaseInsensitive: []bool{true, false},
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validStrings: []string{
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"api_key=xxx",
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"api_key: xxx",
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"<api_key>xxx",
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"api_key:=xxx",
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"api_key:::=xxx",
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// "api_key||:=xxx", // this isn't anything
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// "api_key <= xxx",
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"api_key => xxx",
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"api_key ?= xxx",
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"api_key, xxx",
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},
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invalidStrings: []string{
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"api_keyxxx",
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"api_key\txxx", // potentially valid in a tab-separated file
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"api_key; xxx",
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"api_key<xxx>",
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"api_key&xxx",
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"api_key = true ? 'xxx' : 'yyy'",
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},
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},
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{
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name: "secret is limited by specific boundaries",
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identifiers: []string{"api_key"},
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secretRegex: `[a-z]{3}`,
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isCaseInsensitive: []bool{true, false},
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validStrings: []string{
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"api_key= xxx ",
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"api_key=xxx\n",
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"api_key=xxx\r\n",
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"api_key=\n\n\n\n\nxxx", // potentially invalid (e.g. .env.example)
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"api_key=\r\n\r\nxxx",
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"api_key=\t\t\t\txxx\t",
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"api_key======xxx;",
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"api_key='''xxx'''",
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`api_key="""xxx"""`,
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"api_key=```xxx```",
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`api_key="xxx'`, // could try to match only same opening and closing quotes, might not be worth the complexity
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`api_key="don't do it!"`,
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`api_key="xxx;notpartofthematch"`,
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},
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invalidStrings: []string{
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"api_key=_xxx",
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"api_key=xxx_",
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"api_key=$xxx",
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"api_key=%xxx%",
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"api_key=[xxx]",
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"api_key=(xxx)",
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"api_key=<xxx>",
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"api_key={xxx}",
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"<api_key>xxx</api_key>", // potentially valid
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"example.com?api_key=xxx&other=yyy", // potentially valid
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},
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},
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// Note: these test cases do not necessarily prescribe the expected behavior of the function,
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// but rather document the current behavior, to ensure that future changes are intentional.
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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for _, isCaseInsensitive := range tt.isCaseInsensitive {
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regex := GenerateSemiGenericRegex(tt.identifiers, tt.secretRegex, isCaseInsensitive)
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for _, validString := range tt.validStrings {
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if !regex.MatchString(validString) {
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t.Errorf("Expected match, but got none, \nfor GenerateSemiGenericRegex(%v, /%v/, caseInsensitive=%v).MatchString(`%v`)\n%v",
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tt.identifiers, tt.secretRegex, isCaseInsensitive, validString, regex)
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}
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}
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for _, invalidString := range tt.invalidStrings {
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if regex.MatchString(invalidString) {
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t.Errorf("Expected no match, but got one, \nfor GenerateSemiGenericRegex(%v, /%v/, caseInsensitive=%v).MatchString(`%v`)\n%v",
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tt.identifiers, tt.secretRegex, isCaseInsensitive, invalidString, regex)
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}
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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 TestGenerateUniqueTokenRegex(t *testing.T) {
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tests := []struct {
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name string
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secretRegex string
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isCaseInsensitive bool
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validStrings []string
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invalidStrings []string
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}{
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{
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name: "case sensitive secret",
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secretRegex: `[a-c]{3}`,
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isCaseInsensitive: false,
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validStrings: []string{"abc"},
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invalidStrings: []string{"ABC", "Abc"},
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},
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{
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name: "case insensitive secret",
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secretRegex: `[a-c]{3}`,
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isCaseInsensitive: true,
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validStrings: []string{"abc", "ABC", "Abc"},
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invalidStrings: []string{"123"},
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},
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{
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name: "allowed boundaries",
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secretRegex: `[a-c]{3}`,
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isCaseInsensitive: false,
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validStrings: []string{
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"abc",
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" abc ",
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"\nabc\n",
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"\r\nabc\r\n",
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"\tabc\t",
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"'abc'",
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`"abc"`,
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"```abc```",
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"my abc's",
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".com?abc",
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},
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invalidStrings: []string{
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"abcabc",
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"_abc_",
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".com?abc&def", // potentially valid
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"/*abc*/",
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"<abc>",
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"<str>abc</str>", // potentially valid
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"{{{abc}}}",
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"abc, d",
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},
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},
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// Note: these test cases do not necessarily prescribe the expected behavior of the function,
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// but rather document the current behavior, to ensure that future changes are intentional.
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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regex := GenerateUniqueTokenRegex(tt.secretRegex, tt.isCaseInsensitive)
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for _, validString := range tt.validStrings {
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if !regex.MatchString(validString) {
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t.Errorf("Expected match, but got none, \nfor GenerateUniqueTokenRegex(/%v/, caseInsensitive=%v).MatchString(`%v`)\n%v",
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tt.secretRegex, tt.isCaseInsensitive, validString, regex)
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}
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}
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for _, invalidString := range tt.invalidStrings {
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if regex.MatchString(invalidString) {
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t.Errorf("Expected no match, but got one, \nfor GenerateUniqueTokenRegex(/%v/, caseInsensitive=%v).MatchString(`%v`)\n%v",
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tt.secretRegex, tt.isCaseInsensitive, invalidString, regex)
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}
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}
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})
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}
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}
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