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tests passing
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maorleger committed Nov 4, 2024
1 parent 4221c74 commit e795982
Showing 1 changed file with 10 additions and 70 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -10,17 +10,12 @@ import { RestError } from "@azure/core-rest-pipeline";
import { assert } from "chai";
import * as dac from "../../../src/credentials/defaultAzureCredential";
import { ManagedIdentityCredential } from "../../../src/credentials/managedIdentityCredential/index";
import { ManagedIdentityApplication } from "@azure/msal-node";

describe("AzureApplicationCredential testing Managed Identity (internal)", function () {
let envCopy: string = "";
let testContext: IdentityTestContextInterface;

beforeEach(async () => {
envCopy = JSON.stringify(process.env);
delete process.env.MSI_ENDPOINT;
delete process.env.MSI_SECRET;
delete process.env.AZURE_CLIENT_SECRET;
delete process.env.AZURE_TENANT_ID;
testContext = new IdentityTestContext({});
testContext.sandbox
.stub(dac, "createDefaultManagedIdentityCredential")
Expand All @@ -31,46 +26,26 @@ describe("AzureApplicationCredential testing Managed Identity (internal)", funct
});

afterEach(async () => {
const env = JSON.parse(envCopy);
process.env.MSI_ENDPOINT = env.MSI_ENDPOINT;
process.env.MSI_SECRET = env.MSI_SECRET;
process.env.AZURE_CLIENT_SECRET = env.AZURE_CLIENT_SECRET;
process.env.AZURE_TENANT_ID = env.AZURE_TENANT_ID;
await testContext.restore();
});

it("returns error when no MSI is available", async function () {
process.env.AZURE_CLIENT_ID = "errclient";

const { error } = await testContext.sendCredentialRequests({
scopes: ["scopes"],
credential: new AzureApplicationCredential(),
insecureResponses: [
{
error: new RestError("Request Timeout", { code: "REQUEST_SEND_ERROR", statusCode: 408 }),
},
],
});
assert.ok(
error!.message!.indexOf("No MSI credential available") > -1,
"Failed to match the expected error",
);
});

it("an unexpected error bubbles all the way up", async function () {
process.env.AZURE_CLIENT_ID = "errclient";

const errorMessage = "ManagedIdentityCredential authentication failed.";
testContext.sandbox
.stub(ManagedIdentityApplication.prototype, "acquireToken")
.rejects(new Error(errorMessage));

const { error } = await testContext.sendCredentialRequests({
scopes: ["scopes"],
credential: new AzureApplicationCredential(),
insecureResponses: [
createResponse(200), // IMDS Endpoint ping
{ error: new RestError(errorMessage, { statusCode: 500 }) },
],
});
assert.ok(error?.message.startsWith(errorMessage));
console.log(error);
assert.ok(error?.message.includes(errorMessage));
});

it("returns expected error when the network was unreachable", async function () {
Expand All @@ -81,6 +56,10 @@ describe("AzureApplicationCredential testing Managed Identity (internal)", funct
statusCode: 408,
});

testContext.sandbox
.stub(ManagedIdentityApplication.prototype, "acquireToken")
.rejects(netError);

const { error } = await testContext.sendCredentialRequests({
scopes: ["scopes"],
credential: new AzureApplicationCredential(),
Expand All @@ -91,43 +70,4 @@ describe("AzureApplicationCredential testing Managed Identity (internal)", funct
});
assert.ok(error!.message!.indexOf("Network unreachable.") > -1);
});

it("sends an authorization request correctly in an App Service environment", async () => {
// Trigger App Service behavior by setting environment variables
process.env.AZURE_CLIENT_ID = "client";
process.env.MSI_ENDPOINT = "https://endpoint";
process.env.MSI_SECRET = "secret";

const authDetails = await testContext.sendCredentialRequests({
scopes: ["https://service/.default"],
credential: new AzureApplicationCredential(),
secureResponses: [
createResponse(200, {
access_token: "token",
expires_on: "06/20/2019 02:57:58 +00:00",
}),
],
});

const authRequest = authDetails.requests[0];
const query = new URLSearchParams(authRequest.url.split("?")[1]);

assert.equal(authRequest.method, "GET");
assert.equal(query.get("clientid"), "client");
assert.equal(decodeURIComponent(query.get("resource")!), "https://service");
assert.ok(
authRequest.url.startsWith(process.env.MSI_ENDPOINT),
"URL does not start with expected host and path",
);
assert.equal(authRequest.headers.secret, process.env.MSI_SECRET);
assert.ok(
authRequest.url.indexOf(`api-version=2017-09-01`) > -1,
"URL does not have expected version",
);
if (authDetails.result?.token) {
assert.equal(authDetails.result.expiresOnTimestamp, 1560999478000);
} else {
assert.fail("No token was returned!");
}
});
});

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