dreader-application/tests/test_settings_overlay.py
Duncan Tourolle 0f9e38eb7c
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2025-11-09 21:17:57 +01:00

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Python

"""
Unit tests for Settings overlay functionality.
Tests the complete workflow of:
1. Opening settings overlay with swipe down gesture
2. Adjusting settings (font size, line spacing, etc.)
3. Live preview updates
4. Closing overlay
"""
import unittest
from pathlib import Path
from dreader import (
EbookReader,
TouchEvent,
GestureType,
ActionType,
OverlayState
)
class TestSettingsOverlay(unittest.TestCase):
"""Test Settings overlay opening, interaction, and closing"""
def setUp(self):
"""Set up test reader with a book"""
import os
import zipfile
self.reader = EbookReader(page_size=(800, 1200))
# Load a test EPUB - use a larger EPUB for spacing tests
epub_dir = Path(__file__).parent / 'data' / 'library-epub'
epubs = list(epub_dir.glob('*.epub'))
if not epubs:
self.skipTest("No test EPUB files available")
# Prefer larger EPUBs for better testing of spacing changes
# Skip minimal-test.epub as it has too little content
epubs = [e for e in epubs if 'minimal' not in e.name]
if not epubs:
epubs = list(epub_dir.glob('*.epub'))
test_epub = epubs[0]
# Debug logging
print(f"\n=== EPUB Loading Debug Info ===")
print(f"Test EPUB path: {test_epub}")
print(f"Absolute path: {test_epub.absolute()}")
print(f"File exists: {test_epub.exists()}")
print(f"File size: {test_epub.stat().st_size if test_epub.exists() else 'N/A'}")
print(f"Is file: {test_epub.is_file() if test_epub.exists() else 'N/A'}")
print(f"Readable: {os.access(test_epub, os.R_OK) if test_epub.exists() else 'N/A'}")
# Test if it's a valid ZIP
if test_epub.exists():
# Check file magic bytes
with open(test_epub, 'rb') as f:
first_bytes = f.read(10)
print(f"First 10 bytes (hex): {first_bytes.hex()}")
print(f"First 10 bytes (ascii): {first_bytes[:4]}")
print(f"Is PK header: {first_bytes[:2] == b'PK'}")
try:
with zipfile.ZipFile(test_epub, 'r') as zf:
print(f"Valid ZIP: True")
print(f"Files in ZIP: {len(zf.namelist())}")
print(f"First 3 files: {zf.namelist()[:3]}")
except Exception as e:
print(f"ZIP validation error: {e}")
# Try to load
success = self.reader.load_epub(str(test_epub))
if not success:
print(f"=== Load failed ===")
# Try loading with pyWebLayout directly for more detailed error
try:
from pyWebLayout.io.readers.epub_reader import read_epub
book = read_epub(str(test_epub))
print(f"Direct pyWebLayout load: SUCCESS (unexpected!)")
except Exception as e:
print(f"Direct pyWebLayout load error: {e}")
import traceback
traceback.print_exc()
self.assertTrue(success, f"Failed to load test EPUB: {test_epub}")
def tearDown(self):
"""Clean up"""
self.reader.close()
def test_open_settings_overlay_directly(self):
"""Test opening settings overlay using direct API call"""
# Initially no overlay
self.assertFalse(self.reader.is_overlay_open())
# Open settings overlay
overlay_image = self.reader.open_settings_overlay()
# Should return an image
self.assertIsNotNone(overlay_image)
self.assertEqual(overlay_image.size, (800, 1200))
# Overlay should be open
self.assertTrue(self.reader.is_overlay_open())
self.assertEqual(self.reader.get_overlay_state(), OverlayState.SETTINGS)
def test_close_settings_overlay_directly(self):
"""Test closing settings overlay using direct API call"""
# Open overlay first
self.reader.open_settings_overlay()
self.assertTrue(self.reader.is_overlay_open())
# Close overlay
page_image = self.reader.close_overlay()
# Should return base page
self.assertIsNotNone(page_image)
# Overlay should be closed
self.assertFalse(self.reader.is_overlay_open())
self.assertEqual(self.reader.get_overlay_state(), OverlayState.NONE)
def test_swipe_down_from_top_opens_settings(self):
"""Test that swipe down from top of screen opens settings overlay"""
# Create swipe down event from top of screen (y=100, which is < 20% of 1200)
event = TouchEvent(
gesture=GestureType.SWIPE_DOWN,
x=400,
y=100
)
# Handle gesture
response = self.reader.handle_touch(event)
# Should open overlay
self.assertEqual(response.action, ActionType.OVERLAY_OPENED)
self.assertEqual(response.data['overlay_type'], 'settings')
self.assertTrue(self.reader.is_overlay_open())
def test_swipe_down_from_middle_does_not_open_settings(self):
"""Test that swipe down from middle of screen does NOT open settings"""
# Create swipe down event from middle of screen (y=600, which is > 20% of 1200)
event = TouchEvent(
gesture=GestureType.SWIPE_DOWN,
x=400,
y=600
)
# Handle gesture
response = self.reader.handle_touch(event)
# Should not open overlay
self.assertEqual(response.action, ActionType.NONE)
self.assertFalse(self.reader.is_overlay_open())
def test_tap_outside_closes_settings_overlay(self):
"""Test that tapping outside the settings panel closes it"""
# Open overlay first
self.reader.open_settings_overlay()
self.assertTrue(self.reader.is_overlay_open())
# Tap in the far left (outside the centered panel)
event = TouchEvent(
gesture=GestureType.TAP,
x=50, # Well outside panel
y=600
)
# Handle gesture
response = self.reader.handle_touch(event)
# Should close overlay
self.assertEqual(response.action, ActionType.OVERLAY_CLOSED)
self.assertFalse(self.reader.is_overlay_open())
def test_font_size_increase(self):
"""Test increasing font size through settings overlay"""
# Open overlay
self.reader.open_settings_overlay()
initial_font_scale = self.reader.base_font_scale
# Get overlay reader to query button positions from the active overlay sub-application
overlay_subapp = self.reader._active_overlay
if not overlay_subapp:
self.skipTest("No active overlay sub-application")
overlay_reader = overlay_subapp._overlay_reader
if not overlay_reader or not overlay_reader.manager:
self.skipTest("Overlay reader not available for querying")
# Query the overlay to find the "A+" button link
# We'll search for it by looking for links with "setting:font_increase"
page = overlay_reader.manager.get_current_page()
# Try multiple Y positions in the font size row to find the button
# Panel is 60% of screen width (480px) centered (x offset = 160)
# First setting row should be around y=100-150 in panel coordinates
found_button = False
tap_x = None
tap_y = None
for y in range(80, 180, 10):
for x in range(300, 450, 20): # Right side of panel where buttons are
# Translate to panel coordinates
panel_x_offset = int((800 - 480) / 2)
panel_y_offset = int((1200 - 840) / 2)
panel_x = x - panel_x_offset
panel_y = y - panel_y_offset
if panel_x < 0 or panel_y < 0:
continue
result = page.query_point((panel_x, panel_y))
if result and result.link_target == "setting:font_increase":
tap_x = x
tap_y = y
found_button = True
break
if found_button:
break
if not found_button:
# Fallback: use approximate coordinates
# Based on HTML layout: panel center + right side button
tap_x = 550
tap_y = 350
# Tap the increase button (in screen coordinates)
event = TouchEvent(
gesture=GestureType.TAP,
x=tap_x,
y=tap_y
)
response = self.reader.handle_touch(event)
# Should either change setting or close (depending on whether we hit the button)
if response.action == ActionType.SETTING_CHANGED:
# Font size should have increased
self.assertGreater(self.reader.base_font_scale, initial_font_scale)
# Overlay should still be open
self.assertTrue(self.reader.is_overlay_open())
else:
# If we missed the button, that's OK for this test
pass
def test_line_spacing_adjustment(self):
"""Test adjusting line spacing through settings overlay"""
# Open overlay
self.reader.open_settings_overlay()
initial_spacing = self.reader.page_style.line_spacing
# Close overlay for this test (full interaction would require precise coordinates)
self.reader.close_overlay()
# Verify we can adjust line spacing programmatically
self.reader.set_line_spacing(initial_spacing + 2)
self.assertEqual(self.reader.page_style.line_spacing, initial_spacing + 2)
def test_settings_values_displayed_in_overlay(self):
"""Test that current settings values are shown in the overlay"""
# Set specific values
self.reader.set_font_size(1.5) # 150%
self.reader.set_line_spacing(10)
# Open overlay
overlay_image = self.reader.open_settings_overlay()
self.assertIsNotNone(overlay_image)
# Overlay should be open with current values
# (Visual verification would show "150%" and "10px" in the HTML)
self.assertTrue(self.reader.is_overlay_open())
def test_multiple_setting_changes(self):
"""Test making multiple setting changes in sequence"""
initial_font = self.reader.base_font_scale
initial_spacing = self.reader.page_style.line_spacing
# Change font size
self.reader.increase_font_size()
self.assertNotEqual(self.reader.base_font_scale, initial_font)
# Change line spacing
self.reader.set_line_spacing(initial_spacing + 5)
self.assertNotEqual(self.reader.page_style.line_spacing, initial_spacing)
# Open overlay to verify values
overlay_image = self.reader.open_settings_overlay()
self.assertIsNotNone(overlay_image)
def test_settings_persist_after_overlay_close(self):
"""Test that setting changes persist after closing overlay"""
# Make a change
initial_font = self.reader.base_font_scale
self.reader.increase_font_size()
new_font = self.reader.base_font_scale
# Open and close overlay
self.reader.open_settings_overlay()
self.reader.close_overlay()
# Settings should still be changed
self.assertEqual(self.reader.base_font_scale, new_font)
self.assertNotEqual(self.reader.base_font_scale, initial_font)
def test_overlay_refresh_after_setting_change(self):
"""Test that overlay can be refreshed with updated values"""
# Open overlay
self.reader.open_settings_overlay()
# Access refresh method through active overlay sub-application
overlay_subapp = self.reader._active_overlay
if not overlay_subapp:
self.skipTest("No active overlay sub-application")
# Change a setting programmatically
self.reader.increase_font_size()
new_page = self.reader.get_current_page(include_highlights=False)
# Refresh overlay
refreshed_image = overlay_subapp.refresh(
updated_base_page=new_page,
font_scale=self.reader.base_font_scale,
line_spacing=self.reader.page_style.line_spacing,
inter_block_spacing=self.reader.page_style.inter_block_spacing
)
self.assertIsNotNone(refreshed_image)
self.assertEqual(refreshed_image.size, (800, 1200))
def test_line_spacing_actually_changes_rendering(self):
"""Verify that line spacing changes produce different rendered images"""
# Close any open overlay first
if self.reader.is_overlay_open():
self.reader.close_overlay()
# Set initial line spacing and get page
self.reader.set_line_spacing(5)
page1 = self.reader.get_current_page()
self.assertIsNotNone(page1)
# Change line spacing significantly
self.reader.set_line_spacing(30)
page2 = self.reader.get_current_page()
self.assertIsNotNone(page2)
# Images should be different (different line spacing should affect rendering)
self.assertNotEqual(page1.tobytes(), page2.tobytes(),
"Line spacing change should affect rendering")
def test_inter_block_spacing_actually_changes_rendering(self):
"""Verify that inter-block spacing changes produce different rendered images"""
# Close any open overlay first
if self.reader.is_overlay_open():
self.reader.close_overlay()
# Set initial inter-block spacing and get page
self.reader.set_inter_block_spacing(15)
page1 = self.reader.get_current_page()
self.assertIsNotNone(page1)
# Change inter-block spacing significantly
self.reader.set_inter_block_spacing(50)
page2 = self.reader.get_current_page()
self.assertIsNotNone(page2)
# Images should be different
self.assertNotEqual(page1.tobytes(), page2.tobytes(),
"Inter-block spacing change should affect rendering")
def test_word_spacing_actually_changes_rendering(self):
"""Verify that word spacing changes produce different rendered images"""
# Close any open overlay first
if self.reader.is_overlay_open():
self.reader.close_overlay()
# Set initial word spacing and get page
self.reader.set_word_spacing(0)
page1 = self.reader.get_current_page()
self.assertIsNotNone(page1)
# Change word spacing significantly
self.reader.set_word_spacing(20)
page2 = self.reader.get_current_page()
self.assertIsNotNone(page2)
# Images should be different
self.assertNotEqual(page1.tobytes(), page2.tobytes(),
"Word spacing change should affect rendering")
if __name__ == '__main__':
unittest.main()