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test(api): add string util unit tests
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packages/api/src/utils/string.utils.test.ts
+53
packages/api/src/utils/string.utils.test.ts
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import { describe, it, expect } from "vitest";
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import { normalize } from "./string.utils";
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describe("String Utils", () => {
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describe("normalize", () => {
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it("lowercases the string", () => {
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expect(normalize("UserName")).toBe("username");
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expect(normalize("ALLCAPS")).toBe("allcaps");
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});
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it("removes dots", () => {
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expect(normalize("user.name")).toBe("username");
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expect(normalize("a.b.c")).toBe("abc");
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});
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it("removes underscores", () => {
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expect(normalize("user_name")).toBe("username");
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expect(normalize("__leading")).toBe("leading");
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});
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it("removes hyphens", () => {
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expect(normalize("user-name")).toBe("username");
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expect(normalize("--dashes--")).toBe("dashes");
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});
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it("removes mixed separators", () => {
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expect(normalize("user.name_with-all")).toBe("usernamewithall");
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});
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it("lowercases and removes separators together", () => {
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expect(normalize("User.BSKY.social")).toBe("userbskysocial");
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expect(normalize("The_Real-Deal.99")).toBe("therealdeal99");
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});
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it("returns empty string for empty input", () => {
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expect(normalize("")).toBe("");
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});
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it("returns string unchanged when no separators present", () => {
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expect(normalize("already")).toBe("already");
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});
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it("preserves numbers", () => {
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expect(normalize("user123")).toBe("user123");
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expect(normalize("123.456")).toBe("123456");
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});
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it("preserves other special characters", () => {
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expect(normalize("user@domain")).toBe("user@domain");
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expect(normalize("hello world")).toBe("hello world");
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});
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});
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});