Add test for nested sb2

test/fixtures/readProjectFile.js

@@ -8,5 +8,9 @@ module.exports = {
     extractProjectJson: function (path) {
         const zip = new AdmZip(path);
         return JSON.parse(zip.readAsText('project.json', 'utf8'));
+    },
+    extractNestedProjectJson: function (path, folder) {
+        const zip = new AdmZip(path);
+        return JSON.parse(zip.readAsText(`${folder}/project.json`, 'utf8'));
     }
 };

test/integration/import_nested_sb2.js

@@ -0,0 +1,52 @@
+const path = require('path');
+const test = require('tap').test;
+const makeTestStorage = require('../fixtures/make-test-storage');
+const extractNestedProjectJson = require('../fixtures/readProjectFile').extractNestedProjectJson;
+
+const renderedTarget = require('../../src/sprites/rendered-target');
+const runtime = require('../../src/engine/runtime');
+const sb2 = require('../../src/serialization/sb2');
+
+test('spec', t => {
+    t.type(sb2.deserialize, 'function');
+    t.end();
+});
+
+test('nested default/*', t => {
+    // Get SB2 JSON (string)
+    const uri = path.resolve(__dirname, '../fixtures/default_nested.sb2');
+    const json = extractNestedProjectJson(uri, 'default');
+
+    // Create runtime instance & load SB2 into it
+    const rt = new runtime();
+    rt.attachStorage(makeTestStorage());
+    sb2.deserialize(json, rt).then(({targets}) => {
+        // Test
+        t.type(json, 'object');
+        t.type(rt, 'object');
+        t.type(targets, 'object');
+
+        t.ok(targets[0] instanceof renderedTarget);
+        t.type(targets[0].id, 'string');
+        t.type(targets[0].blocks, 'object');
+        t.type(targets[0].variables, 'object');
+        t.type(targets[0].comments, 'object');
+
+        t.equal(targets[0].isOriginal, true);
+        t.equal(targets[0].currentCostume, 0);
+        t.equal(targets[0].isOriginal, true);
+        t.equal(targets[0].isStage, true);
+
+        t.ok(targets[1] instanceof renderedTarget);
+        t.type(targets[1].id, 'string');
+        t.type(targets[1].blocks, 'object');
+        t.type(targets[1].variables, 'object');
+        t.type(targets[1].comments, 'object');
+
+        t.equal(targets[1].isOriginal, true);
+        t.equal(targets[1].currentCostume, 0);
+        t.equal(targets[1].isOriginal, true);
+        t.equal(targets[1].isStage, false);
+        t.end();
+    });
+});