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Add grouping functionality and corresponding tests
Implemented a new function 'GroupCharsForMobile' in the 'apg' package, which groups characters in a mobile-friendly manner based on their Unicode category. Accompanying tests for this function have also been created in 'grouping_test.go'. This update enhances password readability on mobile devices.
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23
grouping.go
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23
grouping.go
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package apg
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import "unicode"
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// GroupCharsForMobile takes a given string of characters and groups them in a mobile-friendly
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// manner. The grouping is based on the following precedense: uppercase, lowercase, numbers
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// and special characters. The grouped string is then returned.
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func GroupCharsForMobile(chars string) string {
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var uppers, lowers, numbers, others []rune
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for _, char := range chars {
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switch {
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case unicode.IsUpper(char):
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uppers = append(uppers, char)
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case unicode.IsLower(char):
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lowers = append(lowers, char)
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case unicode.IsNumber(char):
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numbers = append(numbers, char)
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default:
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others = append(others, char)
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}
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}
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return string(uppers) + string(lowers) + string(numbers) + string(others)
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}
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24
grouping_test.go
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grouping_test.go
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package apg
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import "testing"
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func TestGroupCharacters(t *testing.T) {
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tests := []struct {
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name string
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password string
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want string
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}{
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{`PW: A1c9.Ba`, `A1c9.Ba`, `ABca19.`},
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{`PW: PX4xDoiKrs,[egEAief{`, `PX4xDoiKrs,[egEAief{`, `PXDKEAxoirsegief4,[{`},
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{`PW: *Z%C9d+PZYkD7D+{~r'w`, `*Z%C9d+PZYkD7D+{~r'w`, `ZCPZYDDdkrw97*%++{~'`},
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{`PW: 4?r2YV:Abo&/z<3tJ*Z{`, `4?r2YV:Abo&/z<3tJ*Z{`, `YVAJZrbozt423?:&/<*{`},
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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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grouped := GroupCharsForMobile(tt.password)
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if grouped != tt.want {
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t.Errorf("GroupCharsForMobile() failed, expected: %s, got: %s", tt.want, grouped)
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}
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})
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}
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}
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