|
| 1 | +import assert from 'node:assert/strict'; |
| 2 | +import { describe, it } from 'node:test'; |
| 3 | + |
| 4 | +import { populateWithEvaluation } from '../processing.mjs'; |
| 5 | + |
| 6 | +describe('populateWithEvaluation', () => { |
| 7 | + it('substitutes simple ${variable} placeholders', () => { |
| 8 | + const result = populateWithEvaluation('Hello ${name}!', { name: 'World' }); |
| 9 | + assert.strictEqual(result, 'Hello World!'); |
| 10 | + }); |
| 11 | + |
| 12 | + it('supports multiple variables', () => { |
| 13 | + const result = populateWithEvaluation('${greeting} ${name}!', { |
| 14 | + greeting: 'Hi', |
| 15 | + name: 'Node', |
| 16 | + }); |
| 17 | + assert.strictEqual(result, 'Hi Node!'); |
| 18 | + }); |
| 19 | + |
| 20 | + it('supports JavaScript expressions', () => { |
| 21 | + const result = populateWithEvaluation('${value > 5 ? "big" : "small"}', { |
| 22 | + value: 10, |
| 23 | + }); |
| 24 | + assert.strictEqual(result, 'big'); |
| 25 | + }); |
| 26 | + |
| 27 | + it('supports ternary expressions for conditional content', () => { |
| 28 | + const result = populateWithEvaluation( |
| 29 | + '${showExtra ? "extra content" : ""}', |
| 30 | + { showExtra: false } |
| 31 | + ); |
| 32 | + assert.strictEqual(result, ''); |
| 33 | + }); |
| 34 | + |
| 35 | + it('handles JSON.stringify for objects', () => { |
| 36 | + const obj = { key: 'value' }; |
| 37 | + const result = populateWithEvaluation('${JSON.stringify(data)}', { |
| 38 | + data: obj, |
| 39 | + }); |
| 40 | + assert.strictEqual(result, '{"key":"value"}'); |
| 41 | + }); |
| 42 | + |
| 43 | + it('preserves surrounding HTML content', () => { |
| 44 | + const result = populateWithEvaluation( |
| 45 | + '<title>${title}</title><link href="${root}styles.css" />', |
| 46 | + { title: 'Test Page', root: '../' } |
| 47 | + ); |
| 48 | + assert.strictEqual( |
| 49 | + result, |
| 50 | + '<title>Test Page</title><link href="../styles.css" />' |
| 51 | + ); |
| 52 | + }); |
| 53 | + |
| 54 | + it('handles empty string values', () => { |
| 55 | + const result = populateWithEvaluation('[${content}]', { content: '' }); |
| 56 | + assert.strictEqual(result, '[]'); |
| 57 | + }); |
| 58 | + |
| 59 | + it('handles numeric values', () => { |
| 60 | + const result = populateWithEvaluation('count: ${count}', { count: 42 }); |
| 61 | + assert.strictEqual(result, 'count: 42'); |
| 62 | + }); |
| 63 | +}); |
0 commit comments