add test

test/plugins/ffmpeg-wasm-plugin.spec.js

@@ -0,0 +1,48 @@
+/**
+ * @since 4.2.0
+ */
+
+import TestHelpers from '../test-helpers';
+
+// registers the plugin
+import FFmpegjsEngine from '../../src/js/plugins/ffmpegjs-plugin';
+import {FFMPEGJS} from '../../src/js/engine/convert-engine';
+
+/** @test {FFmpegjsEngine} */
+describe('plugins.ffmpegjs-plugin', () => {
+    let player;
+
+    beforeEach(() => {
+        // create video-only player with ffmpeg.js plugin
+        player = TestHelpers.makeConvertPluginPlayer(FFMPEGJS);
+    });
+
+    afterEach(() => {
+        player.dispose();
+    });
+
+    /** @test {FFmpegjsEngine} */
+    it('converts', (done) => {
+        // allow test to fail
+        pending('disabled until test runner failure is figured out');
+
+        player.one('deviceReady', () => {
+            let req = new Request(TestHelpers.TEST_WEBM);
+            fetch(req).then((response) => {
+                return response.blob();
+            }).then((blob) => {
+                player.one('finishConvert', () => {
+                    expect(player.convertedData instanceof Blob).toBeTruthy();
+                    expect(player.convertedData.name).toEndWith('.mp3');
+                    done();
+                });
+                player.record().converter.convert(blob);
+            });
+        });
+
+        player.one('ready', () => {
+            // start device
+            player.record().getDevice();
+        });
+    });
+});