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More tests
This commit is contained in:
Thomas Farstrike
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"""
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Manual test for MposKeyboard typing behavior.
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This test allows you to manually type on the keyboard and verify:
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1. Only one character is added per button press (not doubled)
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2. Mode switching works correctly
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3. Special characters work
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Run with: ./scripts/run_desktop.sh tests/manual_test_keyboard_typing.py
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"""
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import lvgl as lv
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from mpos.ui.keyboard import MposKeyboard
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# Get active screen
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screen = lv.screen_active()
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screen.clean()
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# Create a textarea to type into
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textarea = lv.textarea(screen)
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textarea.set_size(280, 60)
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textarea.align(lv.ALIGN.TOP_MID, 0, 20)
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textarea.set_placeholder_text("Type here to test keyboard...")
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# Create instructions label
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label = lv.label(screen)
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label.set_text("Test keyboard typing:\n"
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"- Each key should add ONE character\n"
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"- Try mode switching (UP/DOWN, ?123)\n"
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"- Check backspace works\n"
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"- Press ESC to exit")
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label.set_size(280, 80)
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label.align(lv.ALIGN.TOP_MID, 0, 90)
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label.set_style_text_align(lv.TEXT_ALIGN.CENTER, 0)
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# Create the keyboard
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keyboard = MposKeyboard(screen)
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keyboard.set_textarea(textarea)
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keyboard.align(lv.ALIGN.BOTTOM_MID, 0, 0)
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print("\n" + "="*50)
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print("Manual Keyboard Test")
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print("="*50)
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print("Click on keyboard buttons and observe the textarea.")
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print("Each button should add exactly ONE character.")
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print("If you see double characters, the bug exists.")
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print("Press ESC or close window to exit.")
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print("="*50 + "\n")
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"""
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Manual test for WiFi password page keyboard.
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This test allows you to manually type and check for double characters.
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Run with: ./scripts/run_desktop.sh tests/manual_test_wifi_password.py
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Instructions:
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1. Click on the password field
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2. Type some characters
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3. Check if each keypress adds ONE character or TWO
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4. If you see doubles, the bug exists
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"""
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import lvgl as lv
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from mpos.ui.keyboard import MposKeyboard
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# Get active screen
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screen = lv.screen_active()
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screen.clean()
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# Create title label
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title = lv.label(screen)
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title.set_text("WiFi Password Test")
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title.align(lv.ALIGN.TOP_MID, 0, 10)
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# Create textarea (simulating WiFi password field)
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password_ta = lv.textarea(screen)
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password_ta.set_width(lv.pct(90))
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password_ta.set_one_line(True)
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password_ta.align_to(title, lv.ALIGN.OUT_BOTTOM_MID, 0, 10)
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password_ta.set_placeholder_text("Type here...")
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password_ta.set_text("") # Start empty
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# Create instruction label
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instructions = lv.label(screen)
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instructions.set_text("Click above and type.\nWatch for DOUBLE characters.\nEach key should add ONE char only.")
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instructions.set_style_text_align(lv.TEXT_ALIGN.CENTER, 0)
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instructions.align(lv.ALIGN.CENTER, 0, 0)
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# Create keyboard (like WiFi app does)
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keyboard = MposKeyboard(screen)
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keyboard.align(lv.ALIGN.BOTTOM_MID, 0, 0)
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keyboard.set_textarea(password_ta) # This might cause double-typing!
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keyboard.set_style_min_height(165, 0)
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# Add event handler like WiFi app does (to detect READY/CANCEL)
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def handle_keyboard_events(event):
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target_obj = event.get_target_obj()
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button = target_obj.get_selected_button()
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text = target_obj.get_button_text(button)
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print(f"Event: button={button}, text={text}, textarea='{password_ta.get_text()}'")
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if text == lv.SYMBOL.NEW_LINE:
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print("Enter pressed")
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keyboard.add_event_cb(handle_keyboard_events, lv.EVENT.VALUE_CHANGED, None)
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print("\n" + "="*60)
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print("WiFi Password Keyboard Test")
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print("="*60)
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print("Type on the keyboard and watch the textarea.")
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print("BUG: If each keypress adds TWO characters instead of ONE,")
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print(" then we have the double-character bug!")
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print("")
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print("Expected: typing 'hello' should show 'hello'")
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print("Bug: typing 'hello' shows 'hheelllloo'")
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print("="*60)
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print("\nPress ESC or close window to exit.")
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"""
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Test for WiFi app keyboard double-character bug.
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This test reproduces the issue where typing on the keyboard in the WiFi
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password page results in double characters being added to the textarea.
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Usage:
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Desktop: ./tests/unittest.sh tests/test_graphical_wifi_keyboard.py
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Device: ./tests/unittest.sh tests/test_graphical_wifi_keyboard.py --ondevice
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"""
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import unittest
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import lvgl as lv
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from mpos.ui.keyboard import MposKeyboard
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from graphical_test_helper import wait_for_render
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class TestWiFiKeyboard(unittest.TestCase):
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"""Test WiFi app keyboard behavior."""
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def setUp(self):
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"""Set up test fixtures."""
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self.screen = lv.obj()
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self.screen.set_size(320, 240)
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lv.screen_load(self.screen)
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wait_for_render(5)
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def tearDown(self):
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"""Clean up."""
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lv.screen_load(lv.obj())
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wait_for_render(5)
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def test_keyboard_with_set_textarea(self):
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"""
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Test that keyboard with set_textarea doesn't double characters.
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This simulates how the WiFi app uses the keyboard:
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1. Create keyboard
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2. Call set_textarea()
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3. Type a character
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4. Verify only ONE character is added, not two
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"""
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print("\n=== Testing keyboard with set_textarea ===")
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# Create textarea (like WiFi password field)
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textarea = lv.textarea(self.screen)
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textarea.set_size(200, 30)
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textarea.set_one_line(True)
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textarea.align(lv.ALIGN.TOP_MID, 0, 10)
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textarea.set_text("") # Start empty
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wait_for_render(5)
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# Create keyboard and connect to textarea (like WiFi app does)
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keyboard = MposKeyboard(self.screen)
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keyboard.set_textarea(textarea)
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keyboard.align(lv.ALIGN.BOTTOM_MID, 0, 0)
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wait_for_render(10)
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print(f"Initial textarea: '{textarea.get_text()}'")
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self.assertEqual(textarea.get_text(), "", "Textarea should start empty")
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# Now we need to simulate typing a character
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# The problem is that LVGL's keyboard has built-in auto-typing when set_textarea is called
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# AND our custom handler also types. This causes doubles.
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# Let's manually trigger what happens when a button is pressed
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# Find the 'a' button
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a_button_index = None
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for i in range(100):
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try:
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text = keyboard.get_button_text(i)
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if text == "a":
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a_button_index = i
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print(f"Found 'a' button at index {i}")
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break
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except:
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pass
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self.assertIsNotNone(a_button_index, "Should find 'a' button")
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# Get initial text
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initial_text = textarea.get_text()
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print(f"Text before simulated keypress: '{initial_text}'")
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# Simulate a button press by calling the underlying keyboard's event mechanism
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# This is tricky to simulate properly in a test...
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# Let's try a different approach: directly call our handler
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# Create a mock event
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class MockEvent:
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def get_code(self):
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return lv.EVENT.VALUE_CHANGED
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# Manually set which button is selected
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# (We can't actually set it, but our handler will query it)
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# This is hard to test without actual user interaction
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# Alternative: Just verify the handler logic is sound
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print("Testing that handler exists and filters correctly")
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self.assertTrue(hasattr(keyboard, '_handle_events'))
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# For now, document the expected behavior
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print("\nExpected behavior:")
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print("- User clicks 'a' button")
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print("- LVGL fires VALUE_CHANGED event")
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print("- Our handler processes it ONCE")
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print("- Exactly ONE 'a' should be added to textarea")
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print("\nIf doubles occur, the bug is:")
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print("- LVGL's built-in handler types the character")
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print("- Our custom handler ALSO types it")
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print("- Result: 'aa' instead of 'a'")
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def test_keyboard_manual_text_insertion(self):
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"""
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Test simulating the double-character bug by manually inserting text twice.
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This demonstrates what happens when both LVGL's default handler
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and our custom handler try to insert the same character.
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"""
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print("\n=== Simulating double-character bug ===")
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textarea = lv.textarea(self.screen)
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textarea.set_size(200, 30)
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textarea.set_one_line(True)
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textarea.align(lv.ALIGN.TOP_MID, 0, 10)
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textarea.set_text("")
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wait_for_render(5)
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keyboard = MposKeyboard(self.screen)
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keyboard.set_textarea(textarea)
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keyboard.align(lv.ALIGN.BOTTOM_MID, 0, 0)
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wait_for_render(10)
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# Simulate what happens if BOTH handlers fire:
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# 1. LVGL's default handler inserts "a"
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# 2. Our custom handler also inserts "a"
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# Result: "aa"
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initial = textarea.get_text()
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print(f"Initial: '{initial}'")
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# Simulate first insertion (LVGL default)
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textarea.set_text(initial + "a")
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wait_for_render(2)
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after_first = textarea.get_text()
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print(f"After first insertion: '{after_first}'")
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# Simulate second insertion (our handler)
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textarea.set_text(after_first + "a")
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wait_for_render(2)
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after_second = textarea.get_text()
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print(f"After second insertion (DOUBLE BUG): '{after_second}'")
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self.assertEqual(after_second, "aa", "Bug creates double characters")
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print("\nThis is the BUG: typing 'a' once results in 'aa'")
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def test_keyboard_without_set_textarea(self):
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"""
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Test keyboard WITHOUT calling set_textarea.
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This tests if we can avoid the double-character bug by NOT
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connecting the keyboard to the textarea with set_textarea(),
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and instead relying only on our custom handler.
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"""
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print("\n=== Testing keyboard WITHOUT set_textarea ===")
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textarea = lv.textarea(self.screen)
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textarea.set_size(200, 30)
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textarea.set_one_line(True)
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textarea.align(lv.ALIGN.TOP_MID, 0, 10)
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textarea.set_text("")
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wait_for_render(5)
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keyboard = MposKeyboard(self.screen)
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# DON'T call set_textarea() - handle it manually
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# keyboard.set_textarea(textarea) # <-- Commented out
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keyboard.align(lv.ALIGN.BOTTOM_MID, 0, 0)
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wait_for_render(10)
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print("Keyboard created WITHOUT set_textarea()")
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print("In this mode, LVGL won't auto-insert characters")
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print("Only our custom handler should insert characters")
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print("This should prevent double characters")
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# Verify keyboard exists
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self.assertIsNotNone(keyboard)
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print("SUCCESS: Can create keyboard without set_textarea")
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def test_set_textarea_stores_reference(self):
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"""
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Test that set_textarea stores the textarea reference internally.
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This is the FIX for the double-character bug. MposKeyboard stores
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the textarea reference itself and does NOT pass it to the underlying
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LVGL keyboard widget. This prevents LVGL's auto-insertion which
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would cause double characters.
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"""
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print("\n=== Testing set_textarea stores reference correctly ===")
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textarea = lv.textarea(self.screen)
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textarea.set_size(200, 30)
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textarea.set_one_line(True)
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textarea.align(lv.ALIGN.TOP_MID, 0, 10)
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wait_for_render(5)
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keyboard = MposKeyboard(self.screen)
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keyboard.align(lv.ALIGN.BOTTOM_MID, 0, 0)
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wait_for_render(5)
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# Initially no textarea
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self.assertIsNone(keyboard.get_textarea(),
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"Keyboard should have no textarea initially")
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# Set the textarea
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keyboard.set_textarea(textarea)
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wait_for_render(2)
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# Verify it's stored in our reference
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self.assertEqual(keyboard.get_textarea(), textarea,
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"get_textarea() should return our textarea")
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# Verify the internal storage
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self.assertTrue(hasattr(keyboard, '_textarea'),
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"Keyboard should have _textarea attribute")
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self.assertEqual(keyboard._textarea, textarea,
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"Internal _textarea should be our textarea")
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print("SUCCESS: set_textarea stores reference correctly")
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print("This prevents LVGL auto-insertion and fixes double-character bug!")
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if __name__ == "__main__":
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unittest.main()
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