test: add tests for keepOutputType option

test/integration/liquid/keepoutput-opt.ts

@@ -0,0 +1,40 @@
+import { expect } from 'chai'
+import { Liquid } from '../../../src/liquid'
+
+describe('LiquidOptions#*keepOutputType*', function () {
+  it('should respect keepOutputType', async function () {
+    const engine = new Liquid({
+      keepOutputType: true
+    })
+    const context = {
+      'my-boolean': true,
+      'my-number': 42,
+      'my-string': 'test'
+    }
+    const booleanHtml = await engine.parseAndRender('{{my-boolean}}', context)
+    expect(booleanHtml).to.equal(true)
+    const numberHtml = await engine.parseAndRender('{{my-number}}', context)
+    expect(numberHtml).to.equal(42)
+    const html = await engine.parseAndRender('{{my-string}}', context)
+    expect(html).to.equal('test')
+    const composedHtml = await engine.parseAndRender('{{my-string}}:{{my-number}}', context)
+    expect(composedHtml).to.equal('test:42')
+  })
+
+  it('should respect keepOutputType = false as default', async function () {
+    const engine = new Liquid()
+    const context = {
+      'my-boolean': true,
+      'my-number': 42,
+      'my-string': 'test'
+    }
+    const booleanHtml = await engine.parseAndRender('{{my-boolean}}', context)
+    expect(booleanHtml).to.equal('true')
+    const numberHtml = await engine.parseAndRender('{{my-number}}', context)
+    expect(numberHtml).to.equal('42')
+    const html = await engine.parseAndRender('{{my-string}}', context)
+    expect(html).to.equal('test')
+    const composedHtml = await engine.parseAndRender('{{my-string}}:{{my-number}}', context)
+    expect(composedHtml).to.equal('test:42')
+  })
+})