102 lines
1.5 KiB
Go
102 lines
1.5 KiB
Go
package validation
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import "testing"
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func TestLuhn(t *testing.T) {
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tests := []struct {
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name string
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pan string
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want bool
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}{
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{
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"Mastercard",
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"5555555555554444",
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true,
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},
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{
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"Visa",
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"4111111111111111",
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true,
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},
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{
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"example from wiki",
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"17893729974",
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true,
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},
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{
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"another example",
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"79927398713",
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true,
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},
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{
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"worong check digit",
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"17893729975",
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false,
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},
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{
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"off by one error",
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"27893729974",
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false,
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},
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{
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"empty",
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"",
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false,
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},
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{
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"not a digit",
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"27893a29974",
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false,
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},
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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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got := Luhn(tt.pan)
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if got != tt.want {
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t.Errorf("Luhn(%s) = %v, want %v", tt.name, got, tt.want)
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}
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})
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}
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}
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func TestValidate(t *testing.T) {
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tests := []struct {
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name string
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card Card
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result ValidationResult
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}{
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{
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"simple valid card",
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Card{"4111111111111111", "09", "30"},
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ErrValid,
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},
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{
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"invalid PAN",
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Card{"4111111111111114", "10", "26"},
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ErrInvalidPAN,
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},
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{
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"invalid year",
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Card{"4111111111111111", "10", "2"},
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ErrInvalidYear,
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},
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{
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"invalid month",
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Card{"4111111111111111", "13", "27"},
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ErrInvalidMonth,
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},
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{
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"expired",
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Card{"4111111111111111", "10", "20"},
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ErrExpire,
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},
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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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got := Validate(tt.card)
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if got != tt.result {
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t.Errorf("Validate() = %v, want %v", got, tt.result)
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}
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})
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}
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}
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