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tests/unit/operators/test_text_editor_ops.py
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181
tests/unit/operators/test_text_editor_ops.py
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"""
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Unit tests for modal text editor operator.
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Tests verify:
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- Operator class exists and is properly structured
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- PRO-only access control via poll()
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- Text processing and limit enforcement
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- Proper Blender operator contract
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"""
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import pytest
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from unittest.mock import Mock, MagicMock, patch
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class TestModalTextEditorOperator:
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"""Test suite for TEXT_TEXTURE_OT_edit_multiline_text operator."""
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def test_operator_class_exists(self):
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"""Operator class must be importable and follow Blender conventions."""
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from src.operators.text_editor_ops import TEXT_TEXTURE_OT_edit_multiline_text
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assert hasattr(TEXT_TEXTURE_OT_edit_multiline_text, 'bl_idname')
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assert TEXT_TEXTURE_OT_edit_multiline_text.bl_idname == "text_texture.edit_multiline_text"
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assert hasattr(TEXT_TEXTURE_OT_edit_multiline_text, 'bl_label')
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assert hasattr(TEXT_TEXTURE_OT_edit_multiline_text, 'poll')
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assert hasattr(TEXT_TEXTURE_OT_edit_multiline_text, 'invoke')
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assert hasattr(TEXT_TEXTURE_OT_edit_multiline_text, 'execute')
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assert hasattr(TEXT_TEXTURE_OT_edit_multiline_text, 'draw')
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def test_poll_denies_access_in_free_version(self):
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"""poll() must return False when has_multiline_text() is False (FREE version)."""
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from src.operators.text_editor_ops import TEXT_TEXTURE_OT_edit_multiline_text
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mock_context = Mock()
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with patch('src.operators.text_editor_ops.has_multiline_text', return_value=False):
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result = TEXT_TEXTURE_OT_edit_multiline_text.poll(mock_context)
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assert result is False, "FREE version should not have access to multiline editor"
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def test_poll_allows_access_in_pro_version(self):
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"""poll() must return True when has_multiline_text() is True (PRO version)."""
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from src.operators.text_editor_ops import TEXT_TEXTURE_OT_edit_multiline_text
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mock_context = Mock()
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with patch('src.operators.text_editor_ops.has_multiline_text', return_value=True):
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result = TEXT_TEXTURE_OT_edit_multiline_text.poll(mock_context)
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assert result is True, "PRO version should have access to multiline editor"
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def test_invoke_copies_current_text_to_temp(self):
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"""invoke() must copy scene text property to temp_text for editing."""
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from src.operators.text_editor_ops import TEXT_TEXTURE_OT_edit_multiline_text
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operator = TEXT_TEXTURE_OT_edit_multiline_text()
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mock_context = Mock()
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mock_context.scene.text_texture_props.text = "Line 1\nLine 2\nLine 3"
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mock_context.window_manager.invoke_props_dialog.return_value = {'RUNNING_MODAL'}
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mock_event = Mock()
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result = operator.invoke(mock_context, mock_event)
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assert operator.temp_text == "Line 1\nLine 2\nLine 3"
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assert result == {'RUNNING_MODAL'}
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mock_context.window_manager.invoke_props_dialog.assert_called_once()
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def test_execute_saves_temp_text_back_to_property(self):
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"""execute() must save edited temp_text back to scene property."""
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from src.operators.text_editor_ops import TEXT_TEXTURE_OT_edit_multiline_text
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operator = TEXT_TEXTURE_OT_edit_multiline_text()
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operator.temp_text = "Edited Line 1\nEdited Line 2"
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mock_context = Mock()
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mock_context.scene.text_texture_props.text = "Old text"
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with patch('src.operators.text_editor_ops.get_version_limits', return_value={
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'max_text_lines': 50,
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'max_text_length': 4096
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}):
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result = operator.execute(mock_context)
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assert result == {'FINISHED'}
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assert mock_context.scene.text_texture_props.text == "Edited Line 1\nEdited Line 2"
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def test_execute_enforces_character_limit(self):
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"""execute() must truncate text exceeding max_text_length."""
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from src.operators.text_editor_ops import TEXT_TEXTURE_OT_edit_multiline_text
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operator = TEXT_TEXTURE_OT_edit_multiline_text()
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# Create text exceeding 100 char limit
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operator.temp_text = "x" * 150
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mock_context = Mock()
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mock_context.scene.text_texture_props.text = ""
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with patch('src.operators.text_editor_ops.get_version_limits', return_value={
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'max_text_lines': 50,
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'max_text_length': 100
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}):
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operator.execute(mock_context)
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saved_text = mock_context.scene.text_texture_props.text
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assert len(saved_text) == 100, f"Expected 100 chars, got {len(saved_text)}"
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def test_execute_enforces_line_limit(self):
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"""execute() must truncate lines exceeding max_text_lines."""
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from src.operators.text_editor_ops import TEXT_TEXTURE_OT_edit_multiline_text
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operator = TEXT_TEXTURE_OT_edit_multiline_text()
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# Create 10 lines when limit is 5
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operator.temp_text = "\n".join([f"Line {i}" for i in range(10)])
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mock_context = Mock()
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mock_context.scene.text_texture_props.text = ""
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with patch('src.operators.text_editor_ops.get_version_limits', return_value={
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'max_text_lines': 5,
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'max_text_length': 4096
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}):
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operator.execute(mock_context)
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saved_text = mock_context.scene.text_texture_props.text
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line_count = saved_text.count('\n') + 1
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assert line_count == 5, f"Expected 5 lines, got {line_count}"
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assert saved_text == "Line 0\nLine 1\nLine 2\nLine 3\nLine 4"
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def test_execute_handles_both_limits_simultaneously(self):
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"""execute() must enforce both character and line limits correctly."""
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from src.operators.text_editor_ops import TEXT_TEXTURE_OT_edit_multiline_text
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operator = TEXT_TEXTURE_OT_edit_multiline_text()
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# Create 10 lines of 20 chars each (200 chars total)
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operator.temp_text = "\n".join([f"Line {i:015d}" for i in range(10)])
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mock_context = Mock()
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mock_context.scene.text_texture_props.text = ""
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with patch('src.operators.text_editor_ops.get_version_limits', return_value={
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'max_text_lines': 5,
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'max_text_length': 150
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}):
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operator.execute(mock_context)
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saved_text = mock_context.scene.text_texture_props.text
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# Should truncate to 150 chars first, then check lines
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assert len(saved_text) <= 150
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line_count = saved_text.count('\n') + 1
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assert line_count <= 5
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def test_operator_has_temp_text_property(self):
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"""Operator must have StringProperty named temp_text."""
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from src.operators.text_editor_ops import TEXT_TEXTURE_OT_edit_multiline_text
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operator = TEXT_TEXTURE_OT_edit_multiline_text()
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# Blender properties are accessible as attributes
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assert hasattr(operator, 'temp_text')
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# Should be able to set and get
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operator.temp_text = "Test content"
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assert operator.temp_text == "Test content"
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def test_operator_registration_list_exists(self):
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"""Module must expose classes tuple for Blender registration."""
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from src.operators import text_editor_ops
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assert hasattr(text_editor_ops, 'classes')
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assert isinstance(text_editor_ops.classes, tuple)
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assert len(text_editor_ops.classes) > 0
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def test_operator_module_has_register_function(self):
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"""Module must have register() function for Blender."""
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from src.operators import text_editor_ops
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assert hasattr(text_editor_ops, 'register')
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assert callable(text_editor_ops.register)
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def test_operator_module_has_unregister_function(self):
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"""Module must have unregister() function for Blender."""
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from src.operators import text_editor_ops
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assert hasattr(text_editor_ops, 'unregister')
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assert callable(text_editor_ops.unregister)
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