fix test_console test

Author: mbway

tests/test_app.py

@@ -11,7 +11,7 @@
 import cadquery as cq
 
 from PyQt5.QtCore import Qt, QSettings
-from PyQt5.QtWidgets import QFileDialog, QMessageBox
+from PyQt5.QtWidgets import QApplication, QFileDialog, QMessageBox
 
 from cq_editor.__main__ import MainWindow
 from cq_editor.widgets.editor import Editor
@@ -746,10 +746,15 @@ def test_console(main):
     console.execute_command('a.append(1)')
     assert(len(a) == 1)
 
+    # execute_command() creates a new prompt to be shown the next time messages are processed
+    QApplication.processEvents()
+
     # test print_text
-    pos_orig = console._prompt_pos
-    console.print_text('a')
-    assert(console._prompt_pos == pos_orig + len('a'))
+    print('printing text')
+    text_before = console._control.document().toPlainText()
+    console.print_text('foo')
+    text_after = console._control.document().toPlainText()
+    assert text_after == text_before + 'foo'
 
 def test_viewer(main):