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71174bc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 | import {
slugify,
capitalize,
lowerize,
capitalizeEachWord,
removeTerminalPunctuation,
isSentence,
naturalSort,
createNaturalSortFunc,
} from "./StringUtils"; // Adjust path as needed
describe("slugify", () => {
test("should convert spaces to hyphens", () => {
expect(slugify("hello world")).toBe("hello-world");
expect(slugify("multiple spaces here")).toBe("multiple-spaces-here");
});
test("should convert to lowercase by default", () => {
expect(slugify("HELLO WORLD")).toBe("hello-world");
expect(slugify("MiXeD CaSe")).toBe("mixed-case");
});
test("should preserve case when lowerCase is false", () => {
expect(slugify("HELLO WORLD", false)).toBe("HELLO-WORLD");
expect(slugify("MiXeD CaSe", false)).toBe("MiXeD-CaSe");
});
test("should replace colons and periods with hyphens", () => {
expect(slugify("hello:world")).toBe("hello-world");
expect(slugify("hello.world")).toBe("hello-world");
expect(slugify("v1.0.1")).toBe("v1-0-1");
});
test("should remove other special characters", () => {
expect(slugify("hello@world!")).toBe("helloworld");
expect(slugify("special #$% characters")).toBe("special-characters");
});
test("should handle empty strings", () => {
expect(slugify("")).toBe("");
});
});
describe("capitalize", () => {
test("should capitalize the first letter of a string", () => {
expect(capitalize("hello")).toBe("Hello");
expect(capitalize("world")).toBe("World");
});
test("should leave the rest of the string unchanged", () => {
expect(capitalize("hELLO")).toBe("HELLO");
expect(capitalize("already Capitalized")).toBe("Already Capitalized");
});
test("should handle empty strings", () => {
expect(capitalize("")).toBe("");
});
test("should handle single character strings", () => {
expect(capitalize("a")).toBe("A");
expect(capitalize("Z")).toBe("Z");
});
test("should handle strings with non-letter first characters", () => {
expect(capitalize("123abc")).toBe("123abc");
expect(capitalize(" space first")).toBe(" space first");
});
});
describe("lowerize", () => {
test("should lowercase the first letter of a string", () => {
expect(lowerize("Hello")).toBe("hello");
expect(lowerize("World")).toBe("world");
});
test("should leave the rest of the string unchanged", () => {
expect(lowerize("HELLO")).toBe("hELLO");
expect(lowerize("Already Capitalized")).toBe("already Capitalized");
});
test("should handle empty strings", () => {
expect(lowerize("")).toBe("");
});
test("should handle single character strings", () => {
expect(lowerize("A")).toBe("a");
expect(lowerize("z")).toBe("z");
});
test("should handle strings with non-letter first characters", () => {
expect(lowerize("123ABC")).toBe("123ABC");
expect(lowerize(" Space first")).toBe(" Space first");
});
});
describe("capitalizeEachWord", () => {
test("should capitalize each word in a string", () => {
expect(capitalizeEachWord("hello world")).toBe("Hello World");
expect(capitalizeEachWord("this is a test")).toBe("This Is A Test");
});
test("should handle strings with already capitalized words", () => {
expect(capitalizeEachWord("Hello World")).toBe("Hello World");
expect(capitalizeEachWord("Some Words Are Capitalized")).toBe(
"Some Words Are Capitalized"
);
});
test("should handle strings with mixed case words", () => {
expect(capitalizeEachWord("hElLo WoRlD")).toBe("HElLo WoRlD");
});
test("should handle empty strings", () => {
expect(capitalizeEachWord("")).toBe("");
});
test("should handle single word strings", () => {
expect(capitalizeEachWord("test")).toBe("Test");
});
});
describe("removeTerminalPunctuation", () => {
test("should remove punctuation from the end of a string", () => {
expect(removeTerminalPunctuation("hello.")).toBe("hello");
expect(removeTerminalPunctuation("world!")).toBe("world");
expect(removeTerminalPunctuation("test?")).toBe("test");
expect(removeTerminalPunctuation("example,")).toBe("example");
});
test("should remove multiple punctuation marks from the end", () => {
expect(removeTerminalPunctuation("hello...")).toBe("hello");
expect(removeTerminalPunctuation("world!?")).toBe("world");
});
test("should not remove letters or numbers from the end", () => {
expect(removeTerminalPunctuation("hello1")).toBe("hello1");
expect(removeTerminalPunctuation("world2")).toBe("world2");
});
test("should handle empty strings", () => {
expect(removeTerminalPunctuation("")).toBe("");
});
test("should not remove punctuation from the middle of a string", () => {
expect(removeTerminalPunctuation("hello.world")).toBe("hello.world");
expect(removeTerminalPunctuation("example,test")).toBe("example,test");
});
test("should handle strings with only punctuation", () => {
expect(removeTerminalPunctuation("...")).toBe("");
expect(removeTerminalPunctuation("!?")).toBe("");
});
});
describe("isSentence", () => {
test("should return true for proper sentences", () => {
expect(isSentence("This is a sentence.")).toBe(true);
expect(isSentence("Another sentence!")).toBe(true);
expect(isSentence("Is this a question?")).toBe(true);
expect(isSentence("This ends with a colon:")).toBe(true);
expect(isSentence('This has a quote at the end."')).toBe(true);
expect(isSentence("This has a parenthesis at the end.)")).toBe(true);
});
test("should return false for strings not starting with a capital letter", () => {
expect(isSentence("this is not a sentence.")).toBe(false);
expect(isSentence("lowercase beginning!")).toBe(false);
});
test("should return false for strings not ending with proper punctuation", () => {
expect(isSentence("This does not end with punctuation")).toBe(false);
expect(isSentence("This ends with a comma,")).toBe(false);
});
test("should handle HTML content by stripping tags", () => {
expect(isSentence("<p>This is a sentence.</p>")).toBe(true);
expect(isSentence("<strong>Hello</strong> world.")).toBe(true);
});
test("should handle whitespace by trimming", () => {
expect(isSentence(" This has spaces. ")).toBe(true);
expect(isSentence("\tTabbed sentence!\n")).toBe(true);
});
test("should return true for undefined", () => {
expect(isSentence(undefined as unknown as string)).toBe(true);
});
test("should return true for empty strings", () => {
expect(isSentence("")).toBe(true);
});
});
describe("naturalSort", () => {
test("should sort strings with mixed alphanumeric content naturally", () => {
const unsorted = ["file10", "file1", "file2"];
const sorted = [...unsorted].sort(naturalSort);
expect(sorted).toEqual(["file1", "file2", "file10"]);
});
test("should sort numbers numerically, not lexicographically", () => {
const unsorted = ["10", "1", "2", "100"];
const sorted = [...unsorted].sort(naturalSort);
expect(sorted).toEqual(["1", "2", "10", "100"]);
});
test("should handle objects with a key accessor", () => {
const items = [
{ name: "Item 10" },
{ name: "Item 1" },
{ name: "Item 2" },
];
const sorted = [...items].sort((a, b) =>
naturalSort(a, b, (item) => item.name)
);
expect(sorted).toEqual([
{ name: "Item 1" },
{ name: "Item 2" },
{ name: "Item 10" },
]);
});
test("should handle different types in chunks", () => {
const unsorted = ["file", "10file", "file10"];
const sorted = [...unsorted].sort(naturalSort);
// Numbers should come before strings in the same position
expect(sorted).toEqual(["10file", "file", "file10"]);
});
test("should compare strings lexicographically when no numbers are present", () => {
const unsorted = ["banana", "apple", "cherry"];
const sorted = [...unsorted].sort(naturalSort);
expect(sorted).toEqual(["apple", "banana", "cherry"]);
});
test("should handle empty strings", () => {
const unsorted = ["banana", "", "apple"];
const sorted = [...unsorted].sort(naturalSort);
expect(sorted).toEqual(["", "apple", "banana"]);
});
test("should prefer shorter strings when prefix is the same", () => {
const unsorted = ["test123", "test"];
const sorted = [...unsorted].sort(naturalSort);
expect(sorted).toEqual(["test", "test123"]);
});
});
describe("createNaturalSortFunc", () => {
test("should create a sort function that can be used with Array.sort", () => {
const sortFunc = createNaturalSortFunc();
const unsorted = ["file10", "file1", "file2"];
const sorted = [...unsorted].sort(sortFunc);
expect(sorted).toEqual(["file1", "file2", "file10"]);
});
test("should create a sort function that uses the provided key accessor", () => {
const items = [
{ name: "Item 10" },
{ name: "Item 1" },
{ name: "Item 2" },
];
const sortFunc = createNaturalSortFunc<{ name: string }>(
(item) => item.name
);
const sorted = [...items].sort(sortFunc);
expect(sorted).toEqual([
{ name: "Item 1" },
{ name: "Item 2" },
{ name: "Item 10" },
]);
});
test("should handle complex nested objects", () => {
const items = [
{ data: { version: "v1.10.1" } },
{ data: { version: "v1.2.1" } },
{ data: { version: "v1.1.1" } },
];
const sortFunc = createNaturalSortFunc<{ data: { version: string } }>(
(item) => item.data.version
);
const sorted = [...items].sort(sortFunc);
expect(sorted).toEqual([
{ data: { version: "v1.1.1" } },
{ data: { version: "v1.2.1" } },
{ data: { version: "v1.10.1" } },
]);
});
});
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