1 files changed, 63 insertions, 0 deletions
diff --git a/javascript/videojs/test/unit/error-display.test.js b/javascript/videojs/test/unit/error-display.test.js
new file mode 100644
index 0000000..802483c
--- /dev/null
+++ b/javascript/videojs/test/unit/error-display.test.js
@@ -0,0 +1,63 @@
+/* eslint-env qunit */
+import TestHelpers from './test-helpers.js';
+
+QUnit.module('ErrorDisplay');
+
+QUnit.test('should update errorDisplay when several errors occur in succession', function(assert) {
+  const player = TestHelpers.makePlayer({ techOrder: ['html5'] });
+  const events = {
+    beforemodalopen: 0,
+    beforemodalclose: 0,
+    modalopen: 0,
+    modalclose: 0
+  };
+
+  player.errorDisplay.on(
+    ['beforemodalopen', 'beforemodalclose', 'modalopen', 'modalclose'],
+    ({ type }) => {
+      events[type] += 1;
+    }
+  );
+
+  // Dummy case for initial state
+  assert.strictEqual(player.error(), null, 'error is null');
+  assert.strictEqual(
+    player.errorDisplay.contentEl().textContent,
+    '',
+    'error display contentEl textContent is empty'
+  );
+  assert.strictEqual(events.beforemodalopen, 0, 'beforemodalopen was not called');
+  assert.strictEqual(events.modalopen, 0, 'modalopen was not called');
+  assert.strictEqual(events.beforemodalclose, 0, 'beforemodalclose was not called');
+  assert.strictEqual(events.modalclose, 0, 'modalclose was not called');
+
+  // Case for first error
+  player.error('Error 1');
+
+  assert.strictEqual(player.error().message, 'Error 1', 'error has message');
+  assert.strictEqual(
+    player.errorDisplay.contentEl().textContent,
+    'Error 1',
+    'error display contentEl textContent has content'
+  );
+  assert.strictEqual(events.beforemodalopen, 1, 'beforemodalopen was called once');
+  assert.strictEqual(events.modalopen, 1, 'modalopen was called once');
+  assert.strictEqual(events.beforemodalclose, 0, 'beforemodalclose was not called');
+  assert.strictEqual(events.modalclose, 0, 'modalclose was not called');
+
+  // Case for second error
+  player.error('Error 2');
+
+  assert.strictEqual(player.error().message, 'Error 2', 'error has new message');
+  assert.strictEqual(
+    player.errorDisplay.contentEl().textContent,
+    'Error 2',
+    'error display contentEl textContent has been updated with the new error message'
+  );
+  assert.strictEqual(events.beforemodalopen, 1, 'beforemodalopen was called once');
+  assert.strictEqual(events.modalopen, 1, 'modalopen has been called once');
+  assert.strictEqual(events.beforemodalclose, 0, 'beforemodalclose was not called');
+  assert.strictEqual(events.modalclose, 0, 'modalclose was not called');
+
+  player.dispose();
+});