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add new operation: Levenshtein Distance

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MikeCAT committed 2023-01-11 05:16:37 +09:00
1 parent ba12ad8e7c
commit 2c822314df
4 files changed
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tests/operations/index.mjs
+1
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@@ -130,6 +130,7 @@ import "./tests/FletcherChecksum.mjs";
import "./tests/CMAC.mjs";
import "./tests/AESKeyWrap.mjs";
import "./tests/Rabbit.mjs";
import "./tests/LevenshteinDistance.mjs";
// Cannot test operations that use the File type yet
// import "./tests/SplitColourChannels.mjs";
tests/operations/tests/LevenshteinDistance.mjs
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@@ -0,0 +1,165 @@
/**
* @author mikecat
* @copyright Crown Copyright 2023
* @license Apache-2.0
*/
import TestRegister from "../../lib/TestRegister.mjs";
TestRegister.addTests([
{
"name": "Levenshtein Distance: Wikipedia example 1",
"input": "kitten\nsitting",
"expectedOutput": "3",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", 1, 1, 1,
],
},
],
},
{
"name": "Levenshtein Distance: Wikipedia example 2",
"input": "saturday\nsunday",
"expectedOutput": "3",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", 1, 1, 1,
],
},
],
},
{
"name": "Levenshtein Distance: Wikipedia example 1 with substitution cost 2",
"input": "kitten\nsitting",
"expectedOutput": "5",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", 1, 1, 2,
],
},
],
},
{
"name": "Levenshtein Distance: varied costs 1",
"input": "kitten\nsitting",
"expectedOutput": "230",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", 10, 100, 1000,
],
},
],
},
{
"name": "Levenshtein Distance: varied costs 2",
"input": "kitten\nsitting",
"expectedOutput": "1020",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", 1000, 100, 10,
],
},
],
},
{
"name": "Levenshtein Distance: another delimiter",
"input": "kitten sitting",
"expectedOutput": "3",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
" ", 1, 1, 1,
],
},
],
},
{
"name": "Levenshtein Distance: too few samples",
"input": "kitten",
"expectedOutput": "Incorrect number of samples. Check your input and/or delimiter.",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", 1, 1, 1,
],
},
],
},
{
"name": "Levenshtein Distance: too many samples",
"input": "kitten\nsitting\nkitchen",
"expectedOutput": "Incorrect number of samples. Check your input and/or delimiter.",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", 1, 1, 1,
],
},
],
},
{
"name": "Levenshtein Distance: negative insertion cost",
"input": "kitten\nsitting",
"expectedOutput": "Negative costs are not allowed.",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", -1, 1, 1,
],
},
],
},
{
"name": "Levenshtein Distance: negative deletion cost",
"input": "kitten\nsitting",
"expectedOutput": "Negative costs are not allowed.",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", 1, -1, 1,
],
},
],
},
{
"name": "Levenshtein Distance: negative substitution cost",
"input": "kitten\nsitting",
"expectedOutput": "Negative costs are not allowed.",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", 1, 1, -1,
],
},
],
},
{
"name": "Levenshtein Distance: cost zero",
"input": "kitten\nsitting",
"expectedOutput": "0",
"recipeConfig": [
{
"op": "Levenshtein Distance",
"args": [
"\\n", 0, 0, 0,
],
},
],
},
]);