David Snelling
9e10caf604
Added illustrative example scripts to demonstrate read-only mode functionality, sequential pipeline processing, and automatic configuration detection.
72 lines
2.3 KiB
JavaScript
72 lines
2.3 KiB
JavaScript
/**
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* Read-Only Mode Test
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*
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* This example demonstrates how to use the read-only mode feature of BrainyData.
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*/
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import { BrainyData } from '../dist/index.js';
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async function testReadOnlyMode() {
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console.log('Testing read-only mode...');
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// Test 1: Create a database in read-only mode
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console.log('\nTest 1: Create a database in read-only mode');
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const readOnlyDb = new BrainyData({ readOnly: true });
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await readOnlyDb.init();
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console.log('Database initialized in read-only mode');
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console.log('Is read-only:', readOnlyDb.isReadOnly());
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// Try to add data (should throw an error)
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try {
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console.log('Attempting to add data to read-only database...');
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await readOnlyDb.add([0.1, 0.2, 0.3], { name: 'test' });
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console.log('ERROR: Add operation succeeded but should have failed!');
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} catch (error) {
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console.log('Expected error caught:', error.message);
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}
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// Test 2: Toggle read-only mode at runtime
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console.log('\nTest 2: Toggle read-only mode at runtime');
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const db = new BrainyData();
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await db.init();
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console.log('Database initialized in writable mode');
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console.log('Is read-only:', db.isReadOnly());
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// Add data while writable
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console.log('Adding data while writable...');
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const itemId = await db.add([0.1, 0.2, 0.3], { name: 'test' });
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console.log('Added item with ID:', itemId);
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// Set to read-only mode
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console.log('Setting database to read-only mode');
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db.setReadOnly(true);
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console.log('Is read-only:', db.isReadOnly());
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// Try to delete data (should throw an error)
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try {
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console.log('Attempting to delete data from read-only database...');
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await db.delete(itemId);
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console.log('ERROR: Delete operation succeeded but should have failed!');
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} catch (error) {
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console.log('Expected error caught:', error.message);
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}
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// Set back to writable mode
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console.log('Setting database back to writable mode');
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db.setReadOnly(false);
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console.log('Is read-only:', db.isReadOnly());
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// Delete data (should succeed)
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console.log('Deleting data while writable...');
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const deleteResult = await db.delete(itemId);
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console.log('Delete result:', deleteResult);
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console.log('\nAll tests completed successfully!');
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}
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// Run the tests
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testReadOnlyMode().catch(error => {
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console.error('Test failed:', error);
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});
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