f291c1c4e7
* fix * fix * fix * fix * Improve translation cache handling in i18n.ts Refactor translation cache retrieval and fallback logic. --------- Co-authored-by: Anik Dhabal Babu <81948346+anikdhabal@users.noreply.github.com>
85 lines
2.9 KiB
TypeScript
85 lines
2.9 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { mergeWithEnglishFallback } from "./i18n";
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describe("mergeWithEnglishFallback", () => {
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it("should merge locale translations with English fallback", () => {
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const localeTranslations = {
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// Override some existing English keys
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hello: "Bonjour",
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goodbye: "Au revoir",
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// Add new locale-specific keys
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locale_only: "French only text",
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};
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const result = mergeWithEnglishFallback(localeTranslations);
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// Check that locale translations override English
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expect(result.hello).toBe("Bonjour");
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expect(result.goodbye).toBe("Au revoir");
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// Check that locale-specific keys are preserved
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expect(result.locale_only).toBe("French only text");
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// Check that English fallback keys are present (using actual keys from the real file)
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expect(result).toHaveProperty("welcome");
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expect(result).toHaveProperty("cancel");
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// Verify the structure - should have both English and locale keys
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expect(Object.keys(result)).toContain("hello"); // overridden
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expect(Object.keys(result)).toContain("locale_only"); // locale-specific
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expect(Object.keys(result).length).toBeGreaterThan(3); // Should have many keys from English
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});
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it("should use English translations as fallback when locale translations are empty", () => {
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const localeTranslations = {};
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const result = mergeWithEnglishFallback(localeTranslations);
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// Should return all English translations
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expect(result).toHaveProperty("welcome");
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expect(result).toHaveProperty("cancel");
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expect(Object.keys(result).length).toBeGreaterThan(100); // English file has many keys
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});
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it("should prioritize locale translations over English when keys overlap", () => {
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const localeTranslations = {
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welcome: "Bienvenido",
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cancel: "Cancelar",
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};
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const result = mergeWithEnglishFallback(localeTranslations);
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// Spanish should override English
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expect(result.welcome).toBe("Bienvenido");
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expect(result.cancel).toBe("Cancelar");
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// Should still have other English keys
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expect(Object.keys(result).length).toBeGreaterThan(100);
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});
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it("should handle locale translations with additional keys not in English", () => {
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const localeTranslations = {
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// Override existing English key
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welcome: "Ciao",
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// Add new keys not in English
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italian_greeting: "Buongiorno",
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italian_phrase: "Come stai?",
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};
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const result = mergeWithEnglishFallback(localeTranslations);
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// Check overridden key
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expect(result.welcome).toBe("Ciao");
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// Check Italian-specific keys
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expect(result.italian_greeting).toBe("Buongiorno");
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expect(result.italian_phrase).toBe("Come stai?");
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// Should have English keys plus the new Italian ones
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expect(Object.keys(result).length).toBeGreaterThan(100);
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expect(Object.keys(result)).toContain("italian_greeting");
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expect(Object.keys(result)).toContain("italian_phrase");
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});
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});
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