MCPX MCP Gateway

import { noOpLogger } from "@mcpx/toolkit-core/logging"; import { resolveEnvValues } from "./target-server-connection-factory.js"; describe("resolveEnvValues", () => { const originalEnv = process.env; beforeEach(() => { process.env = { ...originalEnv }; }); afterAll(() => { process.env = originalEnv; }); it("passes through direct string values", () => { const envConfig = { API_KEY: "direct-value", DEBUG: "true", }; const result = resolveEnvValues(envConfig, noOpLogger); expect(result).toEqual({ API_KEY: "direct-value", DEBUG: "true", }); }); it("resolves fromEnv references from process.env", () => { process.env["ACTUAL_API_KEY"] = "secret-value"; const envConfig = { API_KEY: { fromEnv: "ACTUAL_API_KEY" }, }; const result = resolveEnvValues(envConfig, noOpLogger); expect(result).toEqual({ API_KEY: "secret-value", }); }); it("handles mixed direct values and fromEnv references", () => { process.env["SECRET_TOKEN"] = "token-value"; const envConfig = { DIRECT_VAR: "direct", RESOLVED_VAR: { fromEnv: "SECRET_TOKEN" }, ANOTHER_DIRECT: "another", }; const result = resolveEnvValues(envConfig, noOpLogger); expect(result).toEqual({ DIRECT_VAR: "direct", RESOLVED_VAR: "token-value", ANOTHER_DIRECT: "another", }); }); it("skips missing env vars (does not include them in result)", () => { const envConfig = { EXISTING: "value", MISSING: { fromEnv: "NON_EXISTENT_VAR" }, }; const result = resolveEnvValues(envConfig, noOpLogger); expect(result).toEqual({ EXISTING: "value", }); expect(result).not.toHaveProperty("MISSING"); }); it("returns empty object for empty config", () => { const result = resolveEnvValues({}, noOpLogger); expect(result).toEqual({}); }); it("handles empty string values correctly", () => { process.env["EMPTY_VAR"] = ""; const envConfig = { DIRECT_EMPTY: "", RESOLVED_EMPTY: { fromEnv: "EMPTY_VAR" }, }; const result = resolveEnvValues(envConfig, noOpLogger); expect(result).toEqual({ DIRECT_EMPTY: "", RESOLVED_EMPTY: "", }); }); });