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fix(connection): support for multiple hosts urls #327 #514

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Merged
merged 6 commits into from
Sep 4, 2025
Merged

fix(connection): support for multiple hosts urls #327 #514

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34a7296
chore: support for multiple hosts urls #327
kmruiz Sep 4, 2025
42d435f
chore: check that the value is a string _just in case_.
kmruiz Sep 4, 2025
f7dd0e7
chore: add a test for CLI parsing to avoid regressions
kmruiz Sep 4, 2025
73e57bd
chore: use a dictionary of flags with urls instead
kmruiz Sep 4, 2025
3fbd4bf
Merge branch 'main' into gh-327
kmruiz Sep 4, 2025
f2b301a
chore: fix linter warnings
kmruiz Sep 4, 2025
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6 changes: 6 additions & 0 deletions src/common/config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,12 @@ function parseEnvConfig(env: Record<string, unknown>): Partial<UserConfig> {
return;
}
if (path.length === 0) {
// MongoDB URLs must not be preprocessed
if (typeof value === "string" && (value.startsWith("mongodb://") || value.startsWith("mongodb+srv://"))) {
obj[currentField] = value;
return;
}

const numberValue = Number(value);
if (!isNaN(numberValue)) {
obj[currentField] = numberValue;
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24 changes: 24 additions & 0 deletions tests/unit/common/config.test.ts
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Expand Up @@ -5,6 +5,20 @@ import type { CliOptions } from "@mongosh/arg-parser";

describe("config", () => {
describe("env var parsing", () => {
describe("mongodb urls", () => {
it("should not try to parse a multiple-host urls", () => {
const actual = setupUserConfig({
env: {
MDB_MCP_CONNECTION_STRING: "mongodb://user:password@host1,host2,host3/",
},
cli: [],
defaults: defaultUserConfig,
});

expect(actual.connectionString).toEqual("mongodb://user:password@host1,host2,host3/");
});
});

describe("string cases", () => {
const testCases = [
{ envVar: "MDB_MCP_API_BASE_URL", property: "apiBaseUrl", value: "http://test.com" },
Expand Down Expand Up @@ -60,6 +74,16 @@ describe("config", () => {
});

describe("cli parsing", () => {
it("should not try to parse a multiple-host urls", () => {
const actual = setupUserConfig({
cli: ["myself", "--", "--connectionString", "mongodb://user:password@host1,host2,host3/"],
env: {},
defaults: defaultUserConfig,
});

expect(actual.connectionString).toEqual("mongodb://user:password@host1,host2,host3/");
});

describe("string use cases", () => {
const testCases = [
{
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