/**
* Unit tests for Optimistic Infrastructure Cache
*
* Tests:
* - SessionAuthManager static infrastructure cache (set/get/invalidate, LRU eviction)
* - setupInfrastructure with existingRemoteFiles (skip getProjectContent, SHA-gated short-circuit)
*/
import { expect } from 'chai';
import { describe, it, beforeEach, afterEach } from 'mocha';
import sinon from 'sinon';
import { SessionAuthManager, InfrastructureVerifiedEntry } from '../../src/auth/sessionManager.js';
describe('Infrastructure Verification Cache', () => {
beforeEach(() => {
// Clear the static cache before each test
// Access via public API: invalidate any entries that might exist
for (let i = 0; i < 200; i++) {
SessionAuthManager.invalidateInfrastructure(`script-${i}`);
}
});
describe('SessionAuthManager.setInfrastructureVerified / getInfrastructureVerified', () => {
it('should store and retrieve an entry', () => {
const entry: InfrastructureVerifiedEntry = {
execShimSHA: 'abc123def456',
timestamp: Date.now()
};
SessionAuthManager.setInfrastructureVerified('script-1', entry);
const result = SessionAuthManager.getInfrastructureVerified('script-1');
expect(result).to.deep.equal(entry);
});
it('should return null for unknown scriptId', () => {
const result = SessionAuthManager.getInfrastructureVerified('unknown-script');
expect(result).to.be.null;
});
it('should overwrite existing entry for same scriptId', () => {
const entry1: InfrastructureVerifiedEntry = { execShimSHA: 'sha-v1', timestamp: 1000 };
const entry2: InfrastructureVerifiedEntry = { execShimSHA: 'sha-v2', timestamp: 2000 };
SessionAuthManager.setInfrastructureVerified('script-1', entry1);
SessionAuthManager.setInfrastructureVerified('script-1', entry2);
const result = SessionAuthManager.getInfrastructureVerified('script-1');
expect(result).to.deep.equal(entry2);
});
it('should store multiple entries for different scriptIds', () => {
const entry1: InfrastructureVerifiedEntry = { execShimSHA: 'sha-a', timestamp: 1000 };
const entry2: InfrastructureVerifiedEntry = { execShimSHA: 'sha-b', timestamp: 2000 };
SessionAuthManager.setInfrastructureVerified('script-a', entry1);
SessionAuthManager.setInfrastructureVerified('script-b', entry2);
expect(SessionAuthManager.getInfrastructureVerified('script-a')).to.deep.equal(entry1);
expect(SessionAuthManager.getInfrastructureVerified('script-b')).to.deep.equal(entry2);
});
});
describe('SessionAuthManager.invalidateInfrastructure', () => {
it('should remove a cached entry', () => {
const entry: InfrastructureVerifiedEntry = { execShimSHA: 'sha-test', timestamp: 1000 };
SessionAuthManager.setInfrastructureVerified('script-1', entry);
expect(SessionAuthManager.getInfrastructureVerified('script-1')).to.not.be.null;
SessionAuthManager.invalidateInfrastructure('script-1');
expect(SessionAuthManager.getInfrastructureVerified('script-1')).to.be.null;
});
it('should be a no-op for unknown scriptId', () => {
// Should not throw
SessionAuthManager.invalidateInfrastructure('nonexistent');
expect(SessionAuthManager.getInfrastructureVerified('nonexistent')).to.be.null;
});
it('should not affect other entries', () => {
const entry1: InfrastructureVerifiedEntry = { execShimSHA: 'sha-a', timestamp: 1000 };
const entry2: InfrastructureVerifiedEntry = { execShimSHA: 'sha-b', timestamp: 2000 };
SessionAuthManager.setInfrastructureVerified('script-a', entry1);
SessionAuthManager.setInfrastructureVerified('script-b', entry2);
SessionAuthManager.invalidateInfrastructure('script-a');
expect(SessionAuthManager.getInfrastructureVerified('script-a')).to.be.null;
expect(SessionAuthManager.getInfrastructureVerified('script-b')).to.deep.equal(entry2);
});
});
describe('LRU eviction at cap 100', () => {
it('should evict oldest entry when cache exceeds 100', () => {
// Fill cache to capacity
for (let i = 0; i < 100; i++) {
SessionAuthManager.setInfrastructureVerified(`script-${i}`, {
execShimSHA: `sha-${i}`,
timestamp: i
});
}
// Verify first entry exists
expect(SessionAuthManager.getInfrastructureVerified('script-0')).to.not.be.null;
// Add one more — should evict script-0
SessionAuthManager.setInfrastructureVerified('script-100', {
execShimSHA: 'sha-100',
timestamp: 100
});
// script-0 should be evicted
expect(SessionAuthManager.getInfrastructureVerified('script-0')).to.be.null;
// script-100 should exist
expect(SessionAuthManager.getInfrastructureVerified('script-100')).to.not.be.null;
// script-1 should still exist (it was second oldest)
expect(SessionAuthManager.getInfrastructureVerified('script-1')).to.not.be.null;
});
it('should not evict when updating an existing entry', () => {
// Fill cache to capacity
for (let i = 0; i < 100; i++) {
SessionAuthManager.setInfrastructureVerified(`script-${i}`, {
execShimSHA: `sha-${i}`,
timestamp: i
});
}
// Update an existing entry (should NOT trigger eviction)
SessionAuthManager.setInfrastructureVerified('script-50', {
execShimSHA: 'sha-50-updated',
timestamp: 999
});
// script-0 should still exist (no eviction triggered)
expect(SessionAuthManager.getInfrastructureVerified('script-0')).to.not.be.null;
// Updated entry should have new values
const updated = SessionAuthManager.getInfrastructureVerified('script-50');
expect(updated?.execShimSHA).to.equal('sha-50-updated');
});
it('should maintain LRU order — re-set moves entry to end', () => {
// Fill cache to capacity
for (let i = 0; i < 100; i++) {
SessionAuthManager.setInfrastructureVerified(`script-${i}`, {
execShimSHA: `sha-${i}`,
timestamp: i
});
}
// Re-set script-0 (moves it to end of LRU order)
SessionAuthManager.setInfrastructureVerified('script-0', {
execShimSHA: 'sha-0-refreshed',
timestamp: 999
});
// Add a new entry — should evict script-1 (now oldest), NOT script-0
SessionAuthManager.setInfrastructureVerified('script-new', {
execShimSHA: 'sha-new',
timestamp: 1000
});
expect(SessionAuthManager.getInfrastructureVerified('script-0')).to.not.be.null;
expect(SessionAuthManager.getInfrastructureVerified('script-1')).to.be.null;
expect(SessionAuthManager.getInfrastructureVerified('script-new')).to.not.be.null;
});
});
});
