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Luhn checksum tests

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This commit is contained in:
n1073645 2020-03-09 09:37:34 +00:00
parent 0e40daecb6
commit 54cb2d268b
2 changed files with 29 additions and 1 deletions
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6
src/core/operations/LuhnChecksum.mjs
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@ -64,9 +64,15 @@ class LuhnChecksum extends Operation {
* @returns {string} * @returns {string}
*/ */
run(input, args) { run(input, args) {
if (!(input)) return "0";
const checkSum = this.checksum(input).toString(); const checkSum = this.checksum(input).toString();
let checkDigit = this.checksum(input+"0"); let checkDigit = this.checksum(input+"0");
checkDigit = (checkDigit === 0 ? 0 : (10-checkDigit)).toString(); checkDigit = (checkDigit === 0 ? 0 : (10-checkDigit)).toString();
return "Checksum: " + checkSum + "\n\nCheckdigit: " + checkDigit + "\n\nLuhn Validated String: "+ input + checkDigit; return "Checksum: " + checkSum + "\n\nCheckdigit: " + checkDigit + "\n\nLuhn Validated String: "+ input + checkDigit;
} }

24
tests/operations/tests/LuhnChecksum.mjs
View file

@ -11,7 +11,29 @@ TestRegister.addTests([
{ {
name: "Luhn Checksum on standard data", name: "Luhn Checksum on standard data",
input: "35641709012469", input: "35641709012469",
expectedOutput: "7", expectedOutput: "Checksum: 7\n\nCheckdigit: 0\n\nLuhn Validated String: 356417090124690",
recipeConfig: [
{
op: "Luhn Checksum",
args: []
},
],
},
{
name: "Luhn Checksum on standard data 2",
input: "896101950123440000",
expectedOutput: "Checksum: 5\n\nCheckdigit: 1\n\nLuhn Validated String: 8961019501234400001",
recipeConfig: [
{
op: "Luhn Checksum",
args: []
},
],
},
{
name: "Luhn Checksum on standard data 3",
input: "35726908971331",
expectedOutput: "Checksum: 6\n\nCheckdigit: 7\n\nLuhn Validated String: 357269089713317",
recipeConfig: [ recipeConfig: [
{ {
op: "Luhn Checksum", op: "Luhn Checksum",