fix: [expression] apply value equal for arrays, #589

test/e2e/issues.ts

@@ -400,4 +400,14 @@ describe('Issues', function () {
     const html = await engine.parseAndRender(template, { str })
     expect(html).to.match(/^\s*$/)
   })
+  it('#589 Arrays should compare values', async() => {
+    const engine = new Liquid()
+    const template = `
+    {% assign people1 = "alice, bob, carol" | split: ", " -%}
+    {% assign people2 = "alice, bob, carol" | split: ", " -%}
+    {% if people1 == people2 %}true{%else%}false{% endif %}
+    `;
+    const html = await engine.parseAndRender(template)
+    expect(html).to.contain('true')
+  })
 })

test/unit/render/expression.ts

@@ -53,6 +53,15 @@ describe('Expression', function () {
     it('should return false for "1==2"', async () => {
       expect(await toPromise(create('1==2').evaluate(ctx, false))).to.equal(false)
     })
+    it('should apply deep equal for arrays', async () => {
+      const ctx = new Context({
+        arr1: [1, 2],
+        arr2: [1, 2],
+        arr3: [1, 2, 3],
+      })
+      expect(await toPromise(create('arr1==arr2').evaluate(ctx, false))).to.equal(true)
+      expect(await toPromise(create('arr1==arr3').evaluate(ctx, false))).to.equal(false)
+    })
     it('should return true for "1<2"', async () => {
       expect(await toPromise(create('1<2').evaluate(ctx, false))).to.equal(true)
     })