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ad90e0b39d
* Add random string generator with rules engine This adds a random string generation library that validates random strings against a set of rules. The library is designed for use as generating passwords, but can be used to generate any random strings.
91 lines
1.7 KiB
Go
91 lines
1.7 KiB
Go
package random
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import (
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"testing"
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)
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func TestCharset(t *testing.T) {
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type testCase struct {
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charset string
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minChars int
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input string
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expected bool
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}
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tests := map[string]testCase{
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"0 minimum, empty input": {
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charset: LowercaseCharset,
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minChars: 0,
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input: "",
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expected: true,
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},
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"0 minimum, many matching": {
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charset: LowercaseCharset,
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minChars: 0,
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input: LowercaseCharset,
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expected: true,
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},
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"0 minimum, no matching": {
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charset: LowercaseCharset,
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minChars: 0,
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input: "0123456789",
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expected: true,
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},
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"1 minimum, empty input": {
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charset: LowercaseCharset,
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minChars: 1,
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input: "",
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expected: false,
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},
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"1 minimum, no matching": {
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charset: LowercaseCharset,
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minChars: 1,
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input: "0123456789",
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expected: false,
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},
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"1 minimum, exactly 1 matching": {
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charset: LowercaseCharset,
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minChars: 1,
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input: "a",
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expected: true,
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},
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"1 minimum, many matching": {
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charset: LowercaseCharset,
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minChars: 1,
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input: "abcdefhaaaa",
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expected: true,
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},
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"2 minimum, 1 matching": {
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charset: LowercaseCharset,
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minChars: 2,
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input: "f",
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expected: false,
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},
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"2 minimum, 2 matching": {
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charset: LowercaseCharset,
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minChars: 2,
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input: "fz",
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expected: true,
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},
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"2 minimum, many matching": {
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charset: LowercaseCharset,
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minChars: 2,
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input: "joixnbonxd",
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expected: true,
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},
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}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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cr := CharsetRule{
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Charset: []rune(test.charset),
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MinChars: test.minChars,
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}
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actual := cr.Pass([]rune(test.input))
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if actual != test.expected {
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t.FailNow()
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}
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})
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}
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}
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