@pinax/graph-networks-registry/dist/__tests__/env.test.js

TypeScript types and helpers for The Graph Networks Registry

import { applyEnvVars } from "../env.js";
describe("applyEnvVars", () => {
    let originalEnv;
    beforeEach(() => {
        originalEnv = process.env;
        process.env = { ...originalEnv };
    });
    afterEach(() => {
        process.env = originalEnv;
    });
    test("should return original URL if no env vars needed", () => {
        const url = "https://api.example.com/v1";
        expect(applyEnvVars(url)).toBe(url);
    });
    test("should replace single environment variable", () => {
        process.env.API_KEY = "secret123";
        const url = "https://api.example.com/v1?key={API_KEY}";
        expect(applyEnvVars(url)).toBe("https://api.example.com/v1?key=secret123");
    });
    test("should replace multiple environment variables", () => {
        process.env.API_KEY = "secret123";
        process.env.API_VERSION = "v2";
        const url = "https://{API_VERSION}.example.com/api?key={API_KEY}";
        expect(applyEnvVars(url)).toBe("https://v2.example.com/api?key=secret123");
    });
    test("should return empty string if any env var is missing", () => {
        process.env.API_KEY = "secret123";
        // API_VERSION is not set
        const url = "https://{API_VERSION}.example.com/api?key={API_KEY}";
        expect(applyEnvVars(url)).toBe("");
    });
    test("should handle env vars with special characters in URL", () => {
        process.env.API_KEY = "secret/123+456";
        const url = "https://api.example.com/v1?key={API_KEY}";
        expect(applyEnvVars(url)).toBe("https://api.example.com/v1?key=secret/123+456");
    });
    test("should handle multiple occurrences of same env var", () => {
        process.env.API_KEY = "secret123";
        const url = "https://api.example.com/{API_KEY}/endpoint?key={API_KEY}";
        expect(applyEnvVars(url)).toBe("https://api.example.com/secret123/endpoint?key=secret123");
    });
    test("should handle empty environment variable", () => {
        process.env.API_KEY = "";
        const url = "https://api.example.com/v1?key={API_KEY}";
        expect(applyEnvVars(url)).toBe("");
    });
    test("should handle URLs with partial matches", () => {
        process.env.KEY = "secret123";
        const url = "https://api.example.com/v1?prefix{KEY}suffix";
        expect(applyEnvVars(url)).toBe("https://api.example.com/v1?prefixsecret123suffix");
    });
    test("should handle malformed placeholders", () => {
        process.env.API_KEY = "secret123";
        // Missing closing brace
        const url = "https://api.example.com/v1?key={API_KEY";
        expect(applyEnvVars(url)).toBe(url);
    });
});