@inlang/paraglide-js
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JavaScript
import { test, expect, describe, beforeEach } from "vitest";
import { newProject } from "@inlang/sdk";
import { defineCustomServerStrategy, defineCustomClientStrategy, isCustomStrategy, } from "./strategy.js";
import { createParaglide } from "../create-paraglide.js";
describe("isCustomStrategy", () => {
test("returns true for valid custom strategy patterns", () => {
expect(isCustomStrategy("custom-header")).toBe(true);
expect(isCustomStrategy("custom-auth123")).toBe(true);
expect(isCustomStrategy("custom-API")).toBe(true);
expect(isCustomStrategy("custom-sessionStorage")).toBe(true);
expect(isCustomStrategy("custom-oAuth2")).toBe(true);
expect(isCustomStrategy("custom-a")).toBe(true);
expect(isCustomStrategy("custom-1")).toBe(true);
expect(isCustomStrategy("custom-Z")).toBe(true);
expect(isCustomStrategy("custom-9")).toBe(true);
expect(isCustomStrategy("custom-aZ19")).toBe(true);
});
test("returns false for invalid custom strategy patterns", () => {
expect(isCustomStrategy("")).toBe(false);
expect(isCustomStrategy("custom_")).toBe(false);
expect(isCustomStrategy("custom-")).toBe(false);
expect(isCustomStrategy("header")).toBe(false);
expect(isCustomStrategy("custom")).toBe(false);
// These are now valid with our relaxed pattern:
expect(isCustomStrategy("custom-invalid-name")).toBe(true);
expect(isCustomStrategy("custom-invalid_name")).toBe(true);
// But spaces and special chars are still invalid:
expect(isCustomStrategy("custom-invalid name")).toBe(false);
expect(isCustomStrategy("custom-invalid@")).toBe(false);
expect(isCustomStrategy("Custom-header")).toBe(false);
expect(isCustomStrategy("CUSTOM-header")).toBe(false);
expect(isCustomStrategy(null)).toBe(false);
expect(isCustomStrategy(undefined)).toBe(false);
expect(isCustomStrategy(123)).toBe(false);
expect(isCustomStrategy({})).toBe(false);
expect(isCustomStrategy([])).toBe(false);
});
test("returns false for built-in strategy names", () => {
expect(isCustomStrategy("cookie")).toBe(false);
expect(isCustomStrategy("baseLocale")).toBe(false);
expect(isCustomStrategy("globalVariable")).toBe(false);
expect(isCustomStrategy("url")).toBe(false);
expect(isCustomStrategy("preferredLanguage")).toBe(false);
expect(isCustomStrategy("localStorage")).toBe(false);
});
});
describe.each([
["defineCustomServerStrategy", defineCustomServerStrategy],
["defineCustomClientStrategy", defineCustomClientStrategy],
])("%s", (strategyName, defineStrategy) => {
beforeEach(() => {
// Reset global variables before each test
if (typeof globalThis !== "undefined") {
// @ts-expect-error - Testing environment cleanup
delete globalThis.document;
// @ts-expect-error - Testing environment cleanup
delete globalThis.window;
// @ts-expect-error - Testing environment cleanup
delete globalThis.localStorage;
// @ts-expect-error - Testing environment cleanup
delete globalThis.navigator;
}
});
const defaultHandler = { getLocale: () => "en", setLocale: () => { } };
const invalidInputs = [
["", "empty name"],
["@invalid", "names with special characters (@)"],
["invalid!", "names with special characters (!)"],
["inva lid", "names with spaces"],
];
test.each(invalidInputs)(`${strategyName} throws error for %s (%s)`, (input) => {
expect(() => defineStrategy(input, defaultHandler)).toThrow(`Invalid custom strategy: "${input}". Must be a custom strategy following the pattern custom-name.`);
});
test(`${strategyName} should compile with custom strategies in strategy array`, async () => {
// Test that compile accepts custom strategies
const runtime = await createParaglide({
blob: await newProject({
settings: {
baseLocale: "en",
locales: ["en", "de", "fr"],
},
}),
strategy: ["custom-auth", "custom-header", "cookie", "baseLocale"],
cookieName: "PARAGLIDE_LOCALE",
});
// Verify the runtime contains the strategy array
expect(runtime.strategy).toEqual([
"custom-auth",
"custom-header",
"cookie",
"baseLocale",
]);
});
});
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