Consolidate some code related to opening documents using the Documents feature. More code coverage

tests/test_code_block_editor_dialog.py

@@ -1,7 +1,14 @@
 from PySide6.QtWidgets import QPushButton
-from bouquin.code_block_editor_dialog import CodeBlockEditorDialog
 from bouquin import strings
 
+from PySide6.QtCore import QRect, QSize
+from PySide6.QtGui import QPaintEvent, QFont
+
+from bouquin.code_block_editor_dialog import (
+    CodeBlockEditorDialog,
+    CodeEditorWithLineNumbers,
+)
+
 
 def _find_button_by_text(widget, text):
     for btn in widget.findChildren(QPushButton):
@@ -29,3 +36,292 @@ def test_code_block_dialog_language_and_code(qtbot):
     assert _find_button_by_text(dlg, delete_txt) is None
     assert dlg.code() == "x = 1"
     assert dlg.language() is None
+
+
+def test_line_number_area_size_hint(qtbot, app):
+    """Test _LineNumberArea.sizeHint() method."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+
+    line_area = editor._line_number_area
+    size_hint = line_area.sizeHint()
+
+    # Should return a QSize with width from editor
+    assert isinstance(size_hint, QSize)
+    assert size_hint.width() > 0
+    assert size_hint.height() == 0
+
+
+def test_line_number_area_paint_event(qtbot, app):
+    """Test _LineNumberArea.paintEvent() method."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+    editor.setPlainText("Line 1\nLine 2\nLine 3")
+    editor.show()
+
+    # Trigger a paint event on the line number area
+    line_area = editor._line_number_area
+    paint_event = QPaintEvent(QRect(0, 0, line_area.width(), line_area.height()))
+    line_area.paintEvent(paint_event)
+
+    # Should not crash
+
+
+def test_line_number_font_pixel_size_fallback(qtbot, app):
+    """Test _line_number_font() with pixel-sized font."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+
+    # Set a pixel-sized font (pointSize will be -1)
+    font = QFont()
+    font.setPixelSize(14)
+    editor.setFont(font)
+
+    # Get line number font - should use the fallback
+    line_font = editor._line_number_font()
+
+    # Should have calculated a size
+    assert line_font.pointSizeF() > 0 or line_font.pixelSize() > 0
+
+
+def test_code_editor_resize_event(qtbot, app):
+    """Test CodeEditorWithLineNumbers.resizeEvent() method."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+    editor.show()
+
+    # Resize the editor
+    editor.resize(400, 300)
+
+    # Line number area should be repositioned
+    line_area = editor._line_number_area
+    assert line_area.geometry().width() > 0
+    assert line_area.geometry().height() == editor.contentsRect().height()
+
+
+def test_code_editor_update_with_scroll(qtbot, app):
+    """Test _update_line_number_area with dy (scroll) parameter."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+
+    # Add enough text to enable scrolling
+    text = "\n".join([f"Line {i}" for i in range(100)])
+    editor.setPlainText(text)
+    editor.show()
+
+    # Trigger update with scroll offset
+    rect = QRect(0, 0, 100, 100)
+    editor._update_line_number_area(rect, dy=10)
+
+    # Should not crash
+
+
+def test_code_editor_update_without_scroll(qtbot, app):
+    """Test _update_line_number_area without scroll (dy=0)."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+    editor.setPlainText("Line 1\nLine 2")
+    editor.show()
+
+    # Trigger update without scroll
+    rect = QRect(0, 0, 100, 100)
+    editor._update_line_number_area(rect, dy=0)
+
+    # Should not crash
+
+
+def test_code_editor_update_contains_viewport(qtbot, app):
+    """Test _update_line_number_area when rect contains viewport."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+    editor.setPlainText("Test")
+    editor.show()
+
+    # Trigger update with rect that contains viewport
+    viewport_rect = editor.viewport().rect()
+    editor._update_line_number_area(viewport_rect, dy=0)
+
+    # Should trigger width update (covers line 82)
+
+
+def test_line_number_area_paint_with_multiple_blocks(qtbot, app):
+    """Test line_number_area_paint_event with multiple text blocks."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+
+    # Add multiple lines
+    text = "\n".join([f"Line {i}" for i in range(20)])
+    editor.setPlainText(text)
+    editor.show()
+
+    # Force a paint event
+    line_area = editor._line_number_area
+    rect = QRect(0, 0, line_area.width(), line_area.height())
+    paint_event = QPaintEvent(rect)
+
+    # This should exercise the painting loop (lines 87-130)
+    editor.line_number_area_paint_event(paint_event)
+
+    # Should not crash
+
+
+def test_line_number_area_paint_with_long_file(qtbot, app):
+    """Test line_number_area_paint_event with many lines."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+
+    # Add 1000+ lines to test digit calculation and painting
+    text = "\n".join([f"Line {i}" for i in range(1000)])
+    editor.setPlainText(text)
+    editor.show()
+
+    # Trigger paint event
+    line_area = editor._line_number_area
+    paint_event = QPaintEvent(line_area.rect())
+    editor.line_number_area_paint_event(paint_event)
+
+    # Line number width should accommodate 4 digits
+    width = editor.line_number_area_width()
+    assert width > 30  # Should be wider for 4-digit numbers
+
+
+def test_code_block_editor_dialog_with_delete(qtbot, app):
+    """Test CodeBlockEditorDialog with allow_delete=True."""
+    dialog = CodeBlockEditorDialog("print('hello')", "python", allow_delete=True)
+    qtbot.addWidget(dialog)
+
+    # Should have delete button functionality
+    assert hasattr(dialog, "_delete_requested")
+    assert dialog._delete_requested is False
+
+    # Simulate delete click
+    dialog._on_delete_clicked()
+
+    assert dialog._delete_requested is True
+    assert dialog.was_deleted() is True
+
+
+def test_code_block_editor_dialog_without_delete(qtbot, app):
+    """Test CodeBlockEditorDialog with allow_delete=False."""
+    dialog = CodeBlockEditorDialog("print('hello')", "python", allow_delete=False)
+    qtbot.addWidget(dialog)
+
+    # Should not have been deleted
+    assert dialog.was_deleted() is False
+
+
+def test_code_block_editor_dialog_language_selection(qtbot, app):
+    """Test language selection in dialog."""
+    dialog = CodeBlockEditorDialog("test", "javascript")
+    qtbot.addWidget(dialog)
+
+    # Should have selected javascript
+    assert dialog.language() == "javascript"
+
+    # Change language
+    dialog._lang_combo.setCurrentText("python")
+    assert dialog.language() == "python"
+
+    # Empty language
+    dialog._lang_combo.setCurrentText("")
+    assert dialog.language() is None
+
+
+def test_code_block_editor_dialog_code_retrieval(qtbot, app):
+    """Test getting code from dialog."""
+    original_code = "def foo():\n    pass"
+    dialog = CodeBlockEditorDialog(original_code, None)
+    qtbot.addWidget(dialog)
+
+    # Should return the code
+    assert dialog.code() == original_code
+
+    # Modify code
+    new_code = "def bar():\n    return 42"
+    dialog._code_edit.setPlainText(new_code)
+    assert dialog.code() == new_code
+
+
+def test_code_editor_with_empty_text(qtbot, app):
+    """Test editor with no text."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+    editor.show()
+
+    # Should still paint line numbers
+    line_area = editor._line_number_area
+    paint_event = QPaintEvent(line_area.rect())
+    editor.line_number_area_paint_event(paint_event)
+
+    # Should not crash
+
+
+def test_code_editor_block_count_changed(qtbot, app):
+    """Test that block count changes trigger width updates."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+
+    initial_width = editor.line_number_area_width()
+
+    # Add lots of lines (should require more digits)
+    text = "\n".join([f"Line {i}" for i in range(1000)])
+    editor.setPlainText(text)
+
+    new_width = editor.line_number_area_width()
+
+    # Width should increase for more digits
+    assert new_width > initial_width
+
+
+def test_code_editor_cursor_position_changed(qtbot, app):
+    """Test that cursor position changes update line number area."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+    editor.setPlainText("Line 1\nLine 2\nLine 3")
+    editor.show()
+
+    # Move cursor
+    cursor = editor.textCursor()
+    cursor.movePosition(cursor.MoveOperation.End)
+    editor.setTextCursor(cursor)
+
+    # Should trigger line number area update (via signal connection)
+    # Just verify it doesn't crash
+
+
+def test_line_number_area_width_calculation(qtbot, app):
+    """Test line number area width calculation with various block counts."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+
+    # Test with 1 line (should use minimum 2 digits)
+    editor.setPlainText("One line")
+    width_1 = editor.line_number_area_width()
+    assert width_1 > 0
+
+    # Test with 10 lines (2 digits)
+    editor.setPlainText("\n".join(["Line"] * 10))
+    width_10 = editor.line_number_area_width()
+    assert width_10 >= width_1
+
+    # Test with 100 lines (3 digits)
+    editor.setPlainText("\n".join(["Line"] * 100))
+    width_100 = editor.line_number_area_width()
+    assert width_100 > width_10
+
+
+def test_code_editor_viewport_margins(qtbot, app):
+    """Test that viewport margins are set correctly."""
+    editor = CodeEditorWithLineNumbers()
+    qtbot.addWidget(editor)
+    editor.setPlainText("Test")
+    editor.show()
+
+    # Left margin should equal line number area width
+    margins = editor.viewportMargins()
+    line_width = editor.line_number_area_width()
+
+    assert margins.left() == line_width
+    assert margins.top() == 0
+    assert margins.right() == 0
+    assert margins.bottom() == 0

tests/test_document_utils.py

@@ -0,0 +1,289 @@
+from unittest.mock import patch
+from pathlib import Path
+import tempfile
+
+from PySide6.QtCore import QUrl
+from PySide6.QtWidgets import QMessageBox, QWidget
+from PySide6.QtGui import QDesktopServices
+
+
+def test_open_document_from_db_success(qtbot, app, fresh_db):
+    """Test successfully opening a document."""
+    # Import here to avoid circular import issues
+    from bouquin.document_utils import open_document_from_db
+
+    # Add a project and document
+    proj_id = fresh_db.add_project("Test Project")
+    doc_path = Path(tempfile.mktemp(suffix=".txt"))
+    doc_path.write_text("test content for document")
+
+    try:
+        doc_id = fresh_db.add_document_from_path(proj_id, str(doc_path))
+
+        # Mock QDesktopServices.openUrl
+        with patch.object(QDesktopServices, "openUrl", return_value=True) as mock_open:
+            # Call the function
+            success = open_document_from_db(
+                fresh_db, doc_id, doc_path.name, parent_widget=None
+            )
+
+            # Verify success
+            assert success is True
+
+            # Verify openUrl was called with a QUrl
+            assert mock_open.called
+            args = mock_open.call_args[0]
+            assert isinstance(args[0], QUrl)
+
+            # Verify the URL points to a local file
+            url_string = args[0].toString()
+            assert url_string.startswith("file://")
+            assert "bouquin_doc_" in url_string
+            assert doc_path.suffix in url_string
+    finally:
+        doc_path.unlink(missing_ok=True)
+
+
+def test_open_document_from_db_with_parent_widget(qtbot, app, fresh_db):
+    """Test opening a document with a parent widget provided."""
+    from bouquin.document_utils import open_document_from_db
+
+    # Create a parent widget
+    parent = QWidget()
+    qtbot.addWidget(parent)
+
+    # Add a project and document
+    proj_id = fresh_db.add_project("Test Project")
+    doc_path = Path(tempfile.mktemp(suffix=".pdf"))
+    doc_path.write_text("PDF content")
+
+    try:
+        doc_id = fresh_db.add_document_from_path(proj_id, str(doc_path))
+
+        with patch.object(QDesktopServices, "openUrl", return_value=True) as mock_open:
+            success = open_document_from_db(
+                fresh_db, doc_id, doc_path.name, parent_widget=parent
+            )
+
+            assert success is True
+            assert mock_open.called
+    finally:
+        doc_path.unlink(missing_ok=True)
+
+
+def test_open_document_from_db_nonexistent_document(qtbot, app, fresh_db):
+    """Test opening a non-existent document returns False."""
+    from bouquin.document_utils import open_document_from_db
+
+    # Try to open a document that doesn't exist
+    success = open_document_from_db(
+        fresh_db, doc_id=99999, file_name="nonexistent.txt", parent_widget=None
+    )
+
+    # Should return False
+    assert success is False
+
+
+def test_open_document_from_db_shows_error_with_parent(qtbot, app, fresh_db):
+    """Test that error dialog is shown when parent widget is provided."""
+    from bouquin.document_utils import open_document_from_db
+
+    parent = QWidget()
+    qtbot.addWidget(parent)
+
+    # Mock QMessageBox.warning
+    with patch.object(QMessageBox, "warning") as mock_warning:
+        success = open_document_from_db(
+            fresh_db, doc_id=99999, file_name="nonexistent.txt", parent_widget=parent
+        )
+
+        # Should return False and show warning
+        assert success is False
+        assert mock_warning.called
+
+        # Verify warning was shown with correct parent
+        call_args = mock_warning.call_args[0]
+        assert call_args[0] is parent
+
+
+def test_open_document_from_db_no_error_dialog_without_parent(qtbot, app, fresh_db):
+    """Test that no error dialog is shown when parent widget is None."""
+    from bouquin.document_utils import open_document_from_db
+
+    with patch.object(QMessageBox, "warning") as mock_warning:
+        success = open_document_from_db(
+            fresh_db, doc_id=99999, file_name="nonexistent.txt", parent_widget=None
+        )
+
+        # Should return False but NOT show warning
+        assert success is False
+        assert not mock_warning.called
+
+
+def test_open_document_from_db_preserves_file_extension(qtbot, app, fresh_db):
+    """Test that the temporary file has the correct extension."""
+    from bouquin.document_utils import open_document_from_db
+
+    # Test various file extensions
+    extensions = [".txt", ".pdf", ".docx", ".xlsx", ".jpg", ".png"]
+
+    for ext in extensions:
+        proj_id = fresh_db.add_project(f"Project for {ext}")
+        doc_path = Path(tempfile.mktemp(suffix=ext))
+        doc_path.write_text(f"content for {ext}")
+
+        try:
+            doc_id = fresh_db.add_document_from_path(proj_id, str(doc_path))
+
+            with patch.object(
+                QDesktopServices, "openUrl", return_value=True
+            ) as mock_open:
+                open_document_from_db(fresh_db, doc_id, doc_path.name)
+
+                # Get the URL that was opened
+                url = mock_open.call_args[0][0]
+                url_string = url.toString()
+
+                # Verify the extension is preserved
+                assert ext in url_string, f"Extension {ext} not found in {url_string}"
+        finally:
+            doc_path.unlink(missing_ok=True)
+
+
+def test_open_document_from_db_file_without_extension(qtbot, app, fresh_db):
+    """Test opening a document without a file extension."""
+    from bouquin.document_utils import open_document_from_db
+
+    proj_id = fresh_db.add_project("Test Project")
+    doc_path = Path(tempfile.mktemp())  # No suffix
+    doc_path.write_text("content without extension")
+
+    try:
+        doc_id = fresh_db.add_document_from_path(proj_id, str(doc_path))
+
+        with patch.object(QDesktopServices, "openUrl", return_value=True) as mock_open:
+            success = open_document_from_db(fresh_db, doc_id, doc_path.name)
+
+            # Should still succeed
+            assert success is True
+            assert mock_open.called
+    finally:
+        doc_path.unlink(missing_ok=True)
+
+
+def test_open_document_from_db_desktop_services_failure(qtbot, app, fresh_db):
+    """Test handling when QDesktopServices.openUrl returns False."""
+    from bouquin.document_utils import open_document_from_db
+
+    proj_id = fresh_db.add_project("Test Project")
+    doc_path = Path(tempfile.mktemp(suffix=".txt"))
+    doc_path.write_text("test content")
+
+    try:
+        doc_id = fresh_db.add_document_from_path(proj_id, str(doc_path))
+
+        # Mock openUrl to return False (failure)
+        with patch.object(QDesktopServices, "openUrl", return_value=False):
+            success = open_document_from_db(fresh_db, doc_id, doc_path.name)
+
+            # Should return False
+            assert success is False
+    finally:
+        doc_path.unlink(missing_ok=True)
+
+
+def test_open_document_from_db_binary_content(qtbot, app, fresh_db):
+    """Test opening a document with binary content."""
+    from bouquin.document_utils import open_document_from_db
+
+    proj_id = fresh_db.add_project("Test Project")
+    doc_path = Path(tempfile.mktemp(suffix=".bin"))
+
+    # Write some binary data
+    binary_data = bytes([0, 1, 2, 3, 255, 254, 253])
+    doc_path.write_bytes(binary_data)
+
+    try:
+        doc_id = fresh_db.add_document_from_path(proj_id, str(doc_path))
+
+        with patch.object(QDesktopServices, "openUrl", return_value=True) as mock_open:
+            success = open_document_from_db(fresh_db, doc_id, doc_path.name)
+
+            assert success is True
+            assert mock_open.called
+    finally:
+        doc_path.unlink(missing_ok=True)
+
+
+def test_open_document_from_db_large_file(qtbot, app, fresh_db):
+    """Test opening a large document."""
+    from bouquin.document_utils import open_document_from_db
+
+    proj_id = fresh_db.add_project("Test Project")
+    doc_path = Path(tempfile.mktemp(suffix=".bin"))
+
+    # Create a 1MB file
+    large_data = b"x" * (1024 * 1024)
+    doc_path.write_bytes(large_data)
+
+    try:
+        doc_id = fresh_db.add_document_from_path(proj_id, str(doc_path))
+
+        with patch.object(QDesktopServices, "openUrl", return_value=True) as mock_open:
+            success = open_document_from_db(fresh_db, doc_id, doc_path.name)
+
+            assert success is True
+            assert mock_open.called
+    finally:
+        doc_path.unlink(missing_ok=True)
+
+
+def test_open_document_from_db_temp_file_prefix(qtbot, app, fresh_db):
+    """Test that temporary files have the correct prefix."""
+    from bouquin.document_utils import open_document_from_db
+
+    proj_id = fresh_db.add_project("Test Project")
+    doc_path = Path(tempfile.mktemp(suffix=".txt"))
+    doc_path.write_text("test")
+
+    try:
+        doc_id = fresh_db.add_document_from_path(proj_id, str(doc_path))
+
+        with patch.object(QDesktopServices, "openUrl", return_value=True) as mock_open:
+            open_document_from_db(fresh_db, doc_id, doc_path.name)
+
+            url = mock_open.call_args[0][0]
+            url_path = url.toLocalFile()
+
+            # Verify the temp file has the bouquin_doc_ prefix
+            assert "bouquin_doc_" in url_path
+    finally:
+        doc_path.unlink(missing_ok=True)
+
+
+def test_open_document_from_db_multiple_calls(qtbot, app, fresh_db):
+    """Test opening the same document multiple times."""
+    from bouquin.document_utils import open_document_from_db
+
+    proj_id = fresh_db.add_project("Test Project")
+    doc_path = Path(tempfile.mktemp(suffix=".txt"))
+    doc_path.write_text("test content")
+
+    try:
+        doc_id = fresh_db.add_document_from_path(proj_id, str(doc_path))
+
+        with patch.object(QDesktopServices, "openUrl", return_value=True) as mock_open:
+            # Open the same document 3 times
+            for _ in range(3):
+                success = open_document_from_db(fresh_db, doc_id, doc_path.name)
+                assert success is True
+
+            # Should have been called 3 times
+            assert mock_open.call_count == 3
+
+            # Each call should create a different temp file
+            call_urls = [call[0][0].toString() for call in mock_open.call_args_list]
+            # All URLs should be different (different temp files)
+            assert len(set(call_urls)) == 3
+    finally:
+        doc_path.unlink(missing_ok=True)

tests/test_time_log.py

@@ -5,6 +5,7 @@ from PySide6.QtWidgets import (
     QMessageBox,
     QInputDialog,
     QFileDialog,
+    QDialog,
 )
 from sqlcipher3.dbapi2 import IntegrityError
 
@@ -17,6 +18,8 @@ from bouquin.time_log import (
 )
 import bouquin.strings as strings
 
+from unittest.mock import patch, MagicMock
+
 
 @pytest.fixture
 def theme_manager(app):
@@ -2562,3 +2565,371 @@ def test_time_log_with_entry(qtbot, fresh_db):
 
     # Widget should have been created successfully
     assert widget is not None
+
+
+def test_time_log_widget_open_dialog_log_only_when_no_date(qtbot, app, fresh_db):
+    """Test _open_dialog_log_only when _current_date is None."""
+    widget = TimeLogWidget(fresh_db, themes=None)
+    qtbot.addWidget(widget)
+
+    # Set current date to None
+    widget._current_date = None
+
+    # Click should return early without crashing
+    widget._open_dialog_log_only()
+
+    # No dialog should be shown
+
+
+def test_time_log_widget_open_dialog_log_only_opens_dialog(qtbot, app, fresh_db):
+    """Test _open_dialog_log_only opens TimeLogDialog."""
+    widget = TimeLogWidget(fresh_db, themes=None)
+    qtbot.addWidget(widget)
+
+    # Set a valid date
+    widget._current_date = "2024-01-15"
+
+    # Mock TimeLogDialog
+    mock_dialog = MagicMock()
+    mock_dialog.exec.return_value = QDialog.Accepted
+
+    with patch("bouquin.time_log.TimeLogDialog", return_value=mock_dialog):
+        widget._open_dialog_log_only()
+
+        # Dialog should have been created with correct parameters
+        assert mock_dialog.exec.called
+
+
+def test_time_log_widget_open_dialog_log_only_refreshes_when_collapsed(
+    qtbot, app, fresh_db
+):
+    """Test that opening dialog updates summary when widget is collapsed."""
+    widget = TimeLogWidget(fresh_db, themes=None)
+    qtbot.addWidget(widget)
+    widget._current_date = "2024-01-15"
+
+    # Collapse the widget
+    widget.toggle_btn.setChecked(False)
+
+    # Mock TimeLogDialog
+    mock_dialog = MagicMock()
+    mock_dialog.exec.return_value = QDialog.Accepted
+
+    with patch("bouquin.time_log.TimeLogDialog", return_value=mock_dialog):
+        widget._open_dialog_log_only()
+
+        # Should show collapsed hint
+        assert (
+            "collapsed" in widget.summary_label.text().lower()
+            or widget.summary_label.text() != ""
+        )
+
+
+def test_time_log_dialog_log_entry_only_mode(qtbot, app, fresh_db):
+    """Test TimeLogDialog in log_entry_only mode."""
+    dialog = TimeLogDialog(
+        fresh_db, "2024-01-15", log_entry_only=True, themes=None, close_after_add=True
+    )
+    qtbot.addWidget(dialog)
+
+    # In log_entry_only mode, these should be hidden
+    assert not dialog.delete_btn.isVisible()
+    assert not dialog.report_btn.isVisible()
+    assert not dialog.table.isVisible()
+
+
+def test_time_log_dialog_log_entry_only_false(qtbot, app, fresh_db):
+    """Test TimeLogDialog in normal mode (log_entry_only=False)."""
+    dialog = TimeLogDialog(
+        fresh_db, "2024-01-15", log_entry_only=False, themes=None, close_after_add=False
+    )
+    qtbot.addWidget(dialog)
+    dialog.show()
+    qtbot.waitExposed(dialog)
+
+    # In normal mode, these should be visible
+    assert dialog.delete_btn.isVisible()
+    assert dialog.report_btn.isVisible()
+    assert dialog.table.isVisible()
+
+
+def test_time_log_dialog_change_date_cancelled(qtbot, app, fresh_db):
+    """Test _on_change_date_clicked when user cancels."""
+    dialog = TimeLogDialog(fresh_db, "2024-01-15", themes=None)
+    qtbot.addWidget(dialog)
+
+    # Mock exec to return rejected
+    with patch.object(QDialog, "exec", return_value=QDialog.DialogCode.Rejected):
+        original_date = dialog._date_iso
+        dialog._on_change_date_clicked()
+
+        # Date should not change when cancelled
+        assert dialog._date_iso == original_date
+
+
+def test_time_log_dialog_change_date_accepted(qtbot, app, fresh_db):
+    """Test _on_change_date_clicked when user accepts (covers lines 410-450)."""
+    dialog = TimeLogDialog(fresh_db, "2024-01-15", themes=None)
+    qtbot.addWidget(dialog)
+
+    # Mock exec to return accepted - the dialog will use whatever date is in the calendar
+    with patch.object(QDialog, "exec", return_value=QDialog.DialogCode.Accepted):
+        # Just verify it doesn't crash - actual date may or may not change
+        # depending on what the real QCalendarWidget selects
+        dialog._on_change_date_clicked()
+
+        # Dialog should still be functional
+        assert dialog._date_iso is not None
+
+
+def test_time_log_dialog_change_date_with_invalid_current_date(qtbot, app, fresh_db):
+    """Test _on_change_date_clicked when current date is invalid (covers lines 410-412)."""
+    dialog = TimeLogDialog(fresh_db, "invalid-date", themes=None)
+    qtbot.addWidget(dialog)
+
+    # Should fall back to current date without crashing
+    with patch.object(QDialog, "exec", return_value=QDialog.DialogCode.Rejected):
+        dialog._on_change_date_clicked()
+
+
+def test_time_log_dialog_change_date_with_themes(qtbot, app, fresh_db):
+    """Test _on_change_date_clicked with theme manager (covers line 423-424)."""
+    themes_mock = MagicMock()
+    themes_mock.register_calendar = MagicMock()
+
+    dialog = TimeLogDialog(fresh_db, "2024-01-15", themes=themes_mock)
+    qtbot.addWidget(dialog)
+
+    # Mock exec to return rejected
+    with patch.object(QDialog, "exec", return_value=QDialog.DialogCode.Rejected):
+        dialog._on_change_date_clicked()
+
+        # Theme should have been applied to calendar
+        assert themes_mock.register_calendar.called
+
+
+def test_time_log_dialog_table_item_changed_incomplete_row(qtbot, app, fresh_db):
+    """Test _on_table_item_changed with incomplete row."""
+    dialog = TimeLogDialog(fresh_db, "2024-01-15", themes=None)
+    qtbot.addWidget(dialog)
+
+    # Block signals to prevent Qt cleanup
+    dialog.table.blockSignals(True)
+
+    # Add incomplete row
+    dialog.table.setRowCount(1)
+    from PySide6.QtWidgets import QTableWidgetItem
+
+    # Only add project item, missing others
+    proj_item = QTableWidgetItem("Project")
+    dialog.table.setItem(0, 0, proj_item)
+
+    # Call _on_table_item_changed
+    dialog._on_table_item_changed(proj_item)
+
+    dialog.table.blockSignals(False)
+
+    # Should return early without crashing (covers lines 556-558)
+
+
+def test_time_log_dialog_table_item_changed_creates_new_project(qtbot, app, fresh_db):
+    """Test _on_table_item_changed creating a new project on the fly."""
+    dialog = TimeLogDialog(fresh_db, "2024-01-15", themes=None)
+    qtbot.addWidget(dialog)
+
+    # Block signals to prevent Qt cleanup
+    dialog.table.blockSignals(True)
+
+    # Add a complete row with new project name
+    dialog.table.setRowCount(1)
+    from PySide6.QtWidgets import QTableWidgetItem
+
+    proj_item = QTableWidgetItem("Brand New Project")
+    proj_item.setData(Qt.ItemDataRole.UserRole, None)  # No entry ID
+    act_item = QTableWidgetItem("Activity")
+    note_item = QTableWidgetItem("Note")
+    hours_item = QTableWidgetItem("2.5")
+
+    dialog.table.setItem(0, 0, proj_item)
+    dialog.table.setItem(0, 1, act_item)
+    dialog.table.setItem(0, 2, note_item)
+    dialog.table.setItem(0, 3, hours_item)
+
+    # Call _on_table_item_changed
+    with patch.object(dialog, "_on_add_or_update"):
+        dialog._on_table_item_changed(proj_item)
+
+        # Should have created project and called add/update
+        projects = fresh_db.list_projects()
+        project_names = [name for _, name in projects]
+        assert "Brand New Project" in project_names
+
+    dialog.table.blockSignals(False)
+
+
+def test_time_log_dialog_table_item_changed_without_note(qtbot, app, fresh_db):
+    """Test _on_table_item_changed when note_item is None."""
+    dialog = TimeLogDialog(fresh_db, "2024-01-15", themes=None)
+    qtbot.addWidget(dialog)
+
+    # Block signals to prevent Qt cleanup
+    dialog.table.blockSignals(True)
+
+    # Add row without note
+    dialog.table.setRowCount(1)
+    from PySide6.QtWidgets import QTableWidgetItem
+
+    proj_item = QTableWidgetItem("Project")
+    proj_item.setData(Qt.ItemDataRole.UserRole, None)
+    act_item = QTableWidgetItem("Activity")
+    hours_item = QTableWidgetItem("1.0")
+
+    dialog.table.setItem(0, 0, proj_item)
+    dialog.table.setItem(0, 1, act_item)
+    # Note: Don't set note_item (leave as None)
+    dialog.table.setItem(0, 3, hours_item)
+
+    # Call _on_table_item_changed
+    with patch.object(dialog, "_on_add_or_update"):
+        dialog._on_table_item_changed(proj_item)
+
+        # Should handle None note gracefully (covers line 567)
+        assert dialog.note.text() == ""
+
+    dialog.table.blockSignals(False)
+
+
+def test_time_log_dialog_table_item_changed_sets_button_state_for_new_entry(
+    qtbot, app, fresh_db
+):
+    """Test that _on_table_item_changed sets correct button state for new entry."""
+    dialog = TimeLogDialog(fresh_db, "2024-01-15", themes=None)
+    qtbot.addWidget(dialog)
+
+    # Block signals to prevent Qt cleanup
+    dialog.table.blockSignals(True)
+
+    # Add row without entry ID (new entry)
+    dialog.table.setRowCount(1)
+    from PySide6.QtWidgets import QTableWidgetItem
+
+    proj_item = QTableWidgetItem("Project")
+    proj_item.setData(Qt.ItemDataRole.UserRole, None)  # No entry ID
+    act_item = QTableWidgetItem("Activity")
+    hours_item = QTableWidgetItem("1.0")
+
+    dialog.table.setItem(0, 0, proj_item)
+    dialog.table.setItem(0, 1, act_item)
+    dialog.table.setItem(0, 3, hours_item)
+
+    with patch.object(dialog, "_on_add_or_update"):
+        dialog._on_table_item_changed(proj_item)
+
+        # Delete button should be disabled for new entry (covers lines 601-603)
+        assert not dialog.delete_btn.isEnabled()
+
+    dialog.table.blockSignals(False)
+
+
+def test_time_log_dialog_table_item_changed_sets_button_state_for_existing_entry(
+    qtbot, app, fresh_db
+):
+    """Test that _on_table_item_changed sets correct button state for existing entry."""
+    # Add a time log entry first
+    proj_id = fresh_db.add_project("Test Project")
+    act_id = fresh_db.add_activity("Activity")
+    entry_id = fresh_db.add_time_log(
+        "2024-01-15", proj_id, act_id, 120, "Note"
+    )  # 120 minutes = 2 hours
+
+    dialog = TimeLogDialog(fresh_db, "2024-01-15", themes=None)
+    qtbot.addWidget(dialog)
+
+    # Block signals to prevent Qt cleanup
+    dialog.table.blockSignals(True)
+
+    # Add row with entry ID
+    dialog.table.setRowCount(1)
+    from PySide6.QtWidgets import QTableWidgetItem
+
+    proj_item = QTableWidgetItem("Test Project")
+    proj_item.setData(Qt.ItemDataRole.UserRole, entry_id)
+    act_item = QTableWidgetItem("Activity")
+    hours_item = QTableWidgetItem("2.0")
+
+    dialog.table.setItem(0, 0, proj_item)
+    dialog.table.setItem(0, 1, act_item)
+    dialog.table.setItem(0, 3, hours_item)
+
+    with patch.object(dialog, "_on_add_or_update"):
+        dialog._on_table_item_changed(proj_item)
+
+        # Delete button should be enabled for existing entry (covers lines 604-606)
+        assert dialog.delete_btn.isEnabled()
+
+    dialog.table.blockSignals(False)
+
+
+def test_time_log_dialog_table_item_changed_finds_existing_project_by_name(
+    qtbot, app, fresh_db
+):
+    """Test _on_table_item_changed finding existing project by name."""
+    proj_id = fresh_db.add_project("Existing Project")
+
+    dialog = TimeLogDialog(fresh_db, "2024-01-15", themes=None)
+    qtbot.addWidget(dialog)
+
+    # Block signals to prevent Qt cleanup
+    dialog.table.blockSignals(True)
+
+    # Add row with existing project name
+    dialog.table.setRowCount(1)
+    from PySide6.QtWidgets import QTableWidgetItem
+
+    proj_item = QTableWidgetItem("Existing Project")
+    proj_item.setData(Qt.ItemDataRole.UserRole, None)
+    act_item = QTableWidgetItem("Activity")
+    hours_item = QTableWidgetItem("1.0")
+
+    dialog.table.setItem(0, 0, proj_item)
+    dialog.table.setItem(0, 1, act_item)
+    dialog.table.setItem(0, 3, hours_item)
+
+    with patch.object(dialog, "_on_add_or_update"):
+        dialog._on_table_item_changed(proj_item)
+
+        # Should find and select existing project (covers lines 571-580)
+        assert dialog.project_combo.currentData() == proj_id
+
+    dialog.table.blockSignals(False)
+
+
+def test_time_report_dialog_initialization(qtbot, app, fresh_db):
+    """Test TimeReportDialog initialization."""
+    dialog = TimeReportDialog(fresh_db)
+    qtbot.addWidget(dialog)
+
+    # Should initialize without crashing
+    assert dialog is not None
+
+
+def test_time_code_manager_dialog_initialization(qtbot, app, fresh_db):
+    """Test TimeCodeManagerDialog initialization."""
+    dialog = TimeCodeManagerDialog(fresh_db)
+    qtbot.addWidget(dialog)
+
+    # Should initialize without crashing
+    assert dialog is not None
+
+
+def test_time_code_manager_dialog_with_focus_tab(qtbot, app, fresh_db):
+    """Test TimeCodeManagerDialog with initial tab focus."""
+    # Test with projects tab
+    dialog = TimeCodeManagerDialog(fresh_db, focus_tab="projects")
+    qtbot.addWidget(dialog)
+    assert dialog.tabs.currentIndex() == 0
+
+    # Test with activities tab
+    dialog2 = TimeCodeManagerDialog(fresh_db, focus_tab="activities")
+    qtbot.addWidget(dialog2)
+    assert dialog2.tabs.currentIndex() == 1