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test : added unit tests for supabase-browser env validation #2819

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test : added unit tests for supabase-browser env validation #2819

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65 changes: 65 additions & 0 deletions test/supabase-browser.test.ts
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Original file line number Diff line number Diff line change
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import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";

vi.resetModules();

describe("supabase-browser env validation", () => {
let originalEnv: NodeJS.ProcessEnv;

beforeEach(() => {
originalEnv = { ...process.env };
});

afterEach(() => {
process.env = { ...originalEnv };
vi.resetModules();
});

it("isBrowserClientAvailable returns true when both env vars are valid", async () => {
process.env.NEXT_PUBLIC_SUPABASE_URL = "https://abc123.supabase.co";
process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.real-anon-key";
const { isBrowserClientAvailable } = await import("@/lib/supabase-browser");
expect(isBrowserClientAvailable).toBe(true);
});

it("isBrowserClientAvailable returns false when URL contains placeholder", async () => {
process.env.NEXT_PUBLIC_SUPABASE_URL = "https://placeholder.supabase.co";
process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.real-anon-key";
const { isBrowserClientAvailable } = await import("@/lib/supabase-browser");
expect(isBrowserClientAvailable).toBe(false);
});

it("isBrowserClientAvailable returns false when anon key contains placeholder", async () => {
process.env.NEXT_PUBLIC_SUPABASE_URL = "https://abc123.supabase.co";
process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY = "placeholder-key";
const { isBrowserClientAvailable } = await import("@/lib/supabase-browser");
expect(isBrowserClientAvailable).toBe(false);
});

it("isBrowserClientAvailable returns false when URL is missing", async () => {
delete process.env.NEXT_PUBLIC_SUPABASE_URL;
process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.real-anon-key";
const { isBrowserClientAvailable } = await import("@/lib/supabase-browser");
expect(isBrowserClientAvailable).toBe(false);
});

it("isBrowserClientAvailable returns false when anon key is missing", async () => {
process.env.NEXT_PUBLIC_SUPABASE_URL = "https://abc123.supabase.co";
delete process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY;
const { isBrowserClientAvailable } = await import("@/lib/supabase-browser");
expect(isBrowserClientAvailable).toBe(false);
});

it("isBrowserClientAvailable returns false when URL is empty string", async () => {
process.env.NEXT_PUBLIC_SUPABASE_URL = "";
process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.real-anon-key";
const { isBrowserClientAvailable } = await import("@/lib/supabase-browser");
expect(isBrowserClientAvailable).toBe(false);
});

it("isBrowserClientAvailable returns false when anon key is empty string", async () => {
process.env.NEXT_PUBLIC_SUPABASE_URL = "https://abc123.supabase.co";
process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY = "";
const { isBrowserClientAvailable } = await import("@/lib/supabase-browser");
expect(isBrowserClientAvailable).toBe(false);
});
});
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