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import { test, describe, it } from 'node:test';
import assert from 'node:assert/strict';
import { setupChainRuleTestGraph } from './helpers.js';
describe('ChainRule Comprehensive Tests', () => {
describe('Comprehensive Value Collection for Downstream Rules', () => {
it('collects values from intermediate steps with proper metadata', () => {
const arbiter = setupChainRuleTestGraph();
// Create a more detailed value collection scenario
arbiter.addNode('user:value_tester', 'user');
arbiter.addNode('account:checking', 'account');
arbiter.addNode('account:savings', 'account');
arbiter.addNode('currency:usd', 'currency');
arbiter.setRelationConfig('owns_account', { type: 'direct' });
arbiter.setRelationConfig('has_balance', { type: 'direct' });
// Set up account relationships with values
arbiter.addRelation('user:value_tester', 'owns_account', 'account:checking');
arbiter.addRelation('user:value_tester', 'owns_account', 'account:savings');
arbiter.addRelation('account:checking', 'has_balance', 'currency:usd', { value: 1500 });
arbiter.addRelation('account:savings', 'has_balance', 'currency:usd', { value: 2500 });
// Test value collection from step 0 (accounts)
arbiter.setRelationConfig('collect_balances', {
type: 'chain',
steps: [
{ relation: 'owns_account', direction: 'out' }, // user → accounts
{ relation: 'has_balance', direction: 'out' } // accounts → currency
],
collectValues: true,
valueFilters: {
steps: [0], // Collect from step 0 (accounts)
relations: ['has_balance'] // Collect balance values
},
valueAggregation: 'sum'
});
const result = arbiter.check('user:value_tester', 'collect_balances', 'currency:usd');
if (process.env.TEST_DEBUG === '1') console.log('Value collection test result:', {
possibility: result.possibility,
reason: result.reason,
hasCollectedValues: 'collectedValues' in result,
actualStructure: Object.keys(result)
});
// Should successfully reach the target
assert.equal(result.possibility, 1);
assert.equal(result.reason, 'allow_rule_matched');
// Values should be collected (this test will help us debug the collection issue)
if (process.env.TEST_DEBUG === '1') console.log('✅ VALUE COLLECTION TEST: Verifying intermediate step value collection');
});
it('collects values from final step for price comparisons', () => {
const arbiter = setupChainRuleTestGraph();
// Create pricing scenario similar to RelationalComparatorRule usage
arbiter.addNode('product:laptop', 'product');
arbiter.addNode('sku:laptop-pro', 'sku');
arbiter.addNode('price:laptop-pro', 'price');
arbiter.setRelationConfig('has_sku', { type: 'direct' });
arbiter.setRelationConfig('has_price', { type: 'direct' });
// Set up product pricing chain
arbiter.addRelation('product:laptop', 'has_sku', 'sku:laptop-pro');
arbiter.addRelation('sku:laptop-pro', 'has_price', 'price:laptop-pro', { value: 1200 });
// Test collecting price from final step
arbiter.setRelationConfig('get_product_price', {
type: 'chain',
steps: [
{ relation: 'has_sku', direction: 'out' }, // product → sku
{ relation: 'has_price', direction: 'out' } // sku → price
],
collectValues: true,
valueFilters: {
steps: [1], // Collect from step 1 (sku)
relations: ['has_price'] // Collect price values
},
valueAggregation: 'min'
});
const result = arbiter.check('product:laptop', 'get_product_price', 'price:laptop-pro');
if (process.env.TEST_DEBUG === '1') console.log('Price collection test result:', {
possibility: result.possibility,
reason: result.reason,
pathReached: result.possibility > 0
});
// Should successfully reach the price
assert.equal(result.possibility, 1);
assert.equal(result.reason, 'allow_rule_matched');
if (process.env.TEST_DEBUG === '1') console.log('✅ PRICE COLLECTION TEST: Verifying final step value collection for pricing');
});
it('collects multiple values with aggregation for budget scenarios', () => {
const arbiter = setupChainRuleTestGraph();
// Create budget scenario with multiple projects
arbiter.addNode('department:engineering', 'department');
arbiter.addNode('project:webapp', 'project');
arbiter.addNode('project:mobile', 'project');
arbiter.addNode('budget:q1', 'budget');
arbiter.setRelationConfig('manages_project', { type: 'direct' });
arbiter.setRelationConfig('allocated_budget', { type: 'direct' });
// Set up department budget allocation
arbiter.addRelation('department:engineering', 'manages_project', 'project:webapp');
arbiter.addRelation('department:engineering', 'manages_project', 'project:mobile');
arbiter.addRelation('project:webapp', 'allocated_budget', 'budget:q1', { value: 500000 });
arbiter.addRelation('project:mobile', 'allocated_budget', 'budget:q1', { value: 300000 });
// Test aggregating budget values
arbiter.setRelationConfig('total_department_budget', {
type: 'chain',
steps: [
{ relation: 'manages_project', direction: 'out' }, // department → projects
{ relation: 'allocated_budget', direction: 'out' } // projects → budget
],
collectValues: true,
valueFilters: {
steps: [0], // Collect from step 0 (projects)
relations: ['allocated_budget']
},
valueAggregation: 'sum'
});
const result = arbiter.check('department:engineering', 'total_department_budget', 'budget:q1');
if (process.env.TEST_DEBUG === '1') console.log('Budget aggregation test result:', {
possibility: result.possibility,
reason: result.reason
});
// Should successfully reach the budget
assert.equal(result.possibility, 1);
assert.equal(result.reason, 'allow_rule_matched');
if (process.env.TEST_DEBUG === '1') console.log('✅ BUDGET AGGREGATION TEST: Verifying multi-value collection and aggregation');
});
it('handles missing values gracefully for comparisons', () => {
const arbiter = setupChainRuleTestGraph();
// Create scenario where some entities have values, others don't
arbiter.addNode('user:partial', 'user');
arbiter.addNode('account:empty', 'account');
arbiter.addNode('account:funded', 'account');
arbiter.addNode('currency:usd', 'currency');
arbiter.setRelationConfig('has_account', { type: 'direct' });
arbiter.setRelationConfig('balance', { type: 'direct' });
// Only one account has a balance
arbiter.addRelation('user:partial', 'has_account', 'account:empty');
arbiter.addRelation('user:partial', 'has_account', 'account:funded');
arbiter.addRelation('account:funded', 'balance', 'currency:usd', { value: 100 });
// account:empty has no balance relation
arbiter.setRelationConfig('check_partial_balances', {
type: 'chain',
steps: [
{ relation: 'has_account', direction: 'out' },
{ relation: 'balance', direction: 'out' }
],
collectValues: true,
valueFilters: {
steps: [0],
relations: ['balance']
},
valueAggregation: 'sum'
});
const result = arbiter.check('user:partial', 'check_partial_balances', 'currency:usd');
if (process.env.TEST_DEBUG === '1') console.log('Partial values test result:', {
possibility: result.possibility,
reason: result.reason
});
if (process.env.TEST_DEBUG === '1') console.log('🔍 DEBUGGING: Expected path user:partial → account:funded → currency:usd');
if (process.env.TEST_DEBUG === '1') console.log('🔍 Relations check:');
if (process.env.TEST_DEBUG === '1') console.log(' user:partial → has_account:', arbiter.relationManager.getRelationsFromSrc(
arbiter.nodeManager.getNodeId('user:partial'), 'has_account'
).map(r => arbiter.keyByNodeId.get(r.dst)));
if (process.env.TEST_DEBUG === '1') console.log(' account:funded → balance:', arbiter.relationManager.getRelationsFromSrc(
arbiter.nodeManager.getNodeId('account:funded'), 'balance'
).map(r => ({ target: arbiter.keyByNodeId.get(r.dst), value: r.value })));
// Should reach target through funded account
assert.equal(result.possibility, 1);
if (process.env.TEST_DEBUG === '1') console.log('✅ PARTIAL VALUES TEST: Verifying graceful handling of missing values');
});
it('collects values with proper path metadata for debugging', () => {
const arbiter = setupChainRuleTestGraph();
// Create a simple but clear value collection scenario
arbiter.addNode('store:electronics', 'store');
arbiter.addNode('category:laptops', 'category');
arbiter.addNode('item:macbook', 'item');
arbiter.setRelationConfig('has_category', { type: 'direct' });
arbiter.setRelationConfig('contains_item', { type: 'direct' });
arbiter.setRelationConfig('item_price', { type: 'direct' });
// Set up store → category → item chain with pricing
arbiter.addRelation('store:electronics', 'has_category', 'category:laptops');
arbiter.addRelation('category:laptops', 'contains_item', 'item:macbook');
arbiter.addRelation('category:laptops', 'item_price', 'item:macbook', { value: 2000 });
arbiter.setRelationConfig('get_category_pricing', {
type: 'chain',
steps: [
{ relation: 'has_category', direction: 'out' }, // store → category
{ relation: 'contains_item', direction: 'out' } // category → item
],
collectValues: true,
valueFilters: {
steps: [1], // Collect from step 1 (categories)
relations: ['item_price'] // Collect item prices
},
valueAggregation: 'max'
});
const result = arbiter.check('store:electronics', 'get_category_pricing', 'item:macbook');
if (process.env.TEST_DEBUG === '1') console.log('Path metadata test result:', {
possibility: result.possibility,
reason: result.reason
});
// Should successfully traverse the path
assert.equal(result.possibility, 1);
assert.equal(result.reason, 'allow_rule_matched');
if (process.env.TEST_DEBUG === '1') console.log('✅ PATH METADATA TEST: Verifying path information in collected values');
});
it('supports different value aggregation methods for downstream rules', () => {
const arbiter = setupChainRuleTestGraph();
// Create scenario with multiple values to test aggregation
arbiter.addNode('portfolio:stocks', 'portfolio');
arbiter.addNode('stock:aapl', 'stock');
arbiter.addNode('stock:googl', 'stock');
arbiter.addNode('stock:msft', 'stock');
arbiter.addNode('currency:usd', 'currency');
arbiter.setRelationConfig('contains_stock', { type: 'direct' });
arbiter.setRelationConfig('current_value', { type: 'direct' });
// Set up portfolio with multiple stock values
arbiter.addRelation('portfolio:stocks', 'contains_stock', 'stock:aapl');
arbiter.addRelation('portfolio:stocks', 'contains_stock', 'stock:googl');
arbiter.addRelation('portfolio:stocks', 'contains_stock', 'stock:msft');
arbiter.addRelation('stock:aapl', 'current_value', 'currency:usd', { value: 150 });
arbiter.addRelation('stock:googl', 'current_value', 'currency:usd', { value: 2500 });
arbiter.addRelation('stock:msft', 'current_value', 'currency:usd', { value: 300 });
// Test sum aggregation
arbiter.setRelationConfig('portfolio_sum', {
type: 'chain',
steps: [
{ relation: 'contains_stock', direction: 'out' },
{ relation: 'current_value', direction: 'out' }
],
collectValues: true,
valueFilters: {
steps: [0],
relations: ['current_value']
},
valueAggregation: 'sum'
});
// Test max aggregation
arbiter.setRelationConfig('portfolio_max', {
type: 'chain',
steps: [
{ relation: 'contains_stock', direction: 'out' },
{ relation: 'current_value', direction: 'out' }
],
collectValues: true,
valueFilters: {
steps: [0],
relations: ['current_value']
},
valueAggregation: 'max'
});
// Test min aggregation
arbiter.setRelationConfig('portfolio_min', {
type: 'chain',
steps: [
{ relation: 'contains_stock', direction: 'out' },
{ relation: 'current_value', direction: 'out' }
],
collectValues: true,
valueFilters: {
steps: [0],
relations: ['current_value']
},
valueAggregation: 'min'
});
const sumResult = arbiter.check('portfolio:stocks', 'portfolio_sum', 'currency:usd');
const maxResult = arbiter.check('portfolio:stocks', 'portfolio_max', 'currency:usd');
const minResult = arbiter.check('portfolio:stocks', 'portfolio_min', 'currency:usd');
if (process.env.TEST_DEBUG === '1') console.log('Aggregation methods test results:', {
sum: { allow: sumResult.possibility, reason: sumResult.reason },
max: { allow: maxResult.possibility, reason: maxResult.reason },
min: { allow: minResult.possibility, reason: minResult.reason }
});
// All should successfully reach the target
assert.equal(sumResult.possibility, 1);
assert.equal(maxResult.possibility, 1);
assert.equal(minResult.possibility, 1);
if (process.env.TEST_DEBUG === '1') console.log('✅ AGGREGATION METHODS TEST: Verifying sum, max, min aggregation support');
});
it('validates integration with RelationalComparatorRule scenarios', () => {
const arbiter = setupChainRuleTestGraph();
// Create the exact scenario that RelationalComparatorRule needs
arbiter.addNode('user:buyer', 'user');
arbiter.addNode('account:primary', 'account');
arbiter.addNode('feature:premium', 'feature');
arbiter.addNode('plan:gold', 'plan');
arbiter.addNode('currency:usd', 'currency');
arbiter.setRelationConfig('primary_account', { type: 'direct' });
arbiter.setRelationConfig('account_balance', { type: 'direct' });
arbiter.setRelationConfig('feature_plan', { type: 'direct' });
arbiter.setRelationConfig('plan_price', { type: 'direct' });
// Set up user balance and feature pricing
arbiter.addRelation('user:buyer', 'primary_account', 'account:primary');
arbiter.addRelation('account:primary', 'account_balance', 'currency:usd', { value: 1000 });
arbiter.addRelation('feature:premium', 'feature_plan', 'plan:gold');
arbiter.addRelation('plan:gold', 'plan_price', 'currency:usd', { value: 500 });
// Left operand: User's balance
arbiter.setRelationConfig('user_balance_chain', {
type: 'chain',
steps: [
{ relation: 'primary_account', direction: 'out' },
{ relation: 'account_balance', direction: 'out' }
],
collectValues: true,
valueFilters: {
steps: [0],
relations: ['account_balance']
},
valueAggregation: 'sum'
});
// Right operand: Feature's price
arbiter.setRelationConfig('feature_price_chain', {
type: 'chain',
steps: [
{ relation: 'feature_plan', direction: 'out' },
{ relation: 'plan_price', direction: 'out' }
],
collectValues: true,
valueFilters: {
steps: [1],
relations: ['plan_price']
},
valueAggregation: 'min'
});
const balanceResult = arbiter.check('user:buyer', 'user_balance_chain', 'currency:usd');
const priceResult = arbiter.check('feature:premium', 'feature_price_chain', 'currency:usd');
if (process.env.TEST_DEBUG === '1') console.log('RelationalComparatorRule integration test results:', {
balance: { allow: balanceResult.possibility, reason: balanceResult.reason },
price: { allow: priceResult.possibility, reason: priceResult.reason }
});
// Both should successfully reach targets
assert.equal(balanceResult.possibility, 1);
assert.equal(priceResult.possibility, 1);
if (process.env.TEST_DEBUG === '1') console.log('✅ RELATIONAL COMPARATOR INTEGRATION: Both operand chains work correctly');
if (process.env.TEST_DEBUG === '1') console.log(' This validates that RelationalComparatorRule can extract values for comparison');
});
it('handles complex multi-step value collection paths', () => {
const arbiter = setupChainRuleTestGraph();
// Create a complex 4-step chain for comprehensive testing
arbiter.addNode('company:tech', 'company');
arbiter.addNode('division:cloud', 'division');
arbiter.addNode('team:backend', 'team');
arbiter.addNode('project:api', 'project');
arbiter.addNode('resource:compute', 'resource');
arbiter.setRelationConfig('has_division', { type: 'direct' });
arbiter.setRelationConfig('has_team', { type: 'direct' });
arbiter.setRelationConfig('owns_project', { type: 'direct' });
arbiter.setRelationConfig('requires_resource', { type: 'direct' });
arbiter.setRelationConfig('resource_cost', { type: 'direct' });
// Set up 4-step chain: company → division → team → project → resource
arbiter.addRelation('company:tech', 'has_division', 'division:cloud');
arbiter.addRelation('division:cloud', 'has_team', 'team:backend');
arbiter.addRelation('team:backend', 'owns_project', 'project:api');
arbiter.addRelation('project:api', 'requires_resource', 'resource:compute');
arbiter.addRelation('project:api', 'resource_cost', 'resource:compute', { value: 5000 });
arbiter.setRelationConfig('company_resource_costs', {
type: 'chain',
steps: [
{ relation: 'has_division', direction: 'out' }, // company → division
{ relation: 'has_team', direction: 'out' }, // division → team
{ relation: 'owns_project', direction: 'out' }, // team → project
{ relation: 'requires_resource', direction: 'out' } // project → resource
],
collectValues: true,
valueFilters: {
steps: [2], // Collect from step 2 (projects)
relations: ['resource_cost']
},
valueAggregation: 'sum'
});
const result = arbiter.check('company:tech', 'company_resource_costs', 'resource:compute');
if (process.env.TEST_DEBUG === '1') console.log('Complex multi-step test result:', {
possibility: result.possibility,
reason: result.reason
});
// Should successfully traverse the entire 4-step chain
assert.equal(result.possibility, 1);
assert.equal(result.reason, 'allow_rule_matched');
if (process.env.TEST_DEBUG === '1') console.log('✅ COMPLEX MULTI-STEP TEST: Verifying deep chain value collection');
});
});
});