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Files
PPTX/tests/unit/test_presentation.py
lanyuanxiaoyao 22614d6f55 fix: 修复 7 个失败测试和 1 个错误测试
- 修复 conftest_pptx.py 中元素类型检测:使用 has_text_frame 替代不存在的 MSO_SHAPE.TEXT_BOX
- 修复 test_presentation.py 中 3 个测试:使用对象属性访问替代字典访问
- 修复 unit/test_presentation.py 中路径比较问题
- 添加缺失的 mock_template_class fixture

测试通过率: 316/316 (100%)
代码覆盖率: 94%
2026-03-03 01:25:36 +08:00

339 lines
9.8 KiB
Python

"""
Presentation 类单元测试
测试 Presentation 类的初始化、模板缓存和渲染方法
"""
import pytest
from pathlib import Path
from unittest.mock import patch, Mock
from core.presentation import Presentation
from loaders.yaml_loader import YAMLError
class TestPresentationInit:
"""Presentation 初始化测试类"""
def test_init_with_valid_yaml(self, sample_yaml):
"""测试使用有效 YAML 初始化"""
pres = Presentation(str(sample_yaml))
assert pres.data is not None
assert "slides" in pres.data
assert pres.pres_file == sample_yaml
def test_init_with_templates_dir(self, sample_yaml, sample_template):
"""测试带模板目录初始化"""
pres = Presentation(str(sample_yaml), str(sample_template))
assert pres.templates_dir == str(sample_template)
assert isinstance(pres.template_cache, dict)
def test_init_without_templates_dir(self, sample_yaml):
"""测试不带模板目录初始化"""
pres = Presentation(str(sample_yaml))
assert pres.templates_dir is None
assert isinstance(pres.template_cache, dict)
@patch("core.presentation.load_yaml_file")
@patch("core.presentation.validate_presentation_yaml")
def test_init_loads_yaml(self, mock_validate, mock_load, temp_dir):
"""测试初始化时加载 YAML"""
mock_data = {"slides": [{"elements": []}]}
mock_load.return_value = mock_data
yaml_path = temp_dir / "test.yaml"
pres = Presentation(str(yaml_path))
mock_load.assert_called_once_with(str(yaml_path))
mock_validate.assert_called_once()
def test_init_with_invalid_yaml(self, temp_dir):
"""测试使用无效 YAML 初始化"""
invalid_yaml = temp_dir / "invalid.yaml"
invalid_yaml.write_text("invalid: [unclosed")
with pytest.raises(Exception):
Presentation(str(invalid_yaml))
class TestPresentationSize:
"""Presentation size 属性测试类"""
def test_size_16_9(self, temp_dir):
"""测试 16:9 尺寸"""
yaml_content = """
metadata:
size: "16:9"
slides:
- elements: []
"""
yaml_path = temp_dir / "test.yaml"
yaml_path.write_text(yaml_content)
pres = Presentation(str(yaml_path))
assert pres.size == "16:9"
def test_size_4_3(self, temp_dir):
"""测试 4:3 尺寸"""
yaml_content = """
metadata:
size: "4:3"
slides:
- elements: []
"""
yaml_path = temp_dir / "test.yaml"
yaml_path.write_text(yaml_content)
pres = Presentation(str(yaml_path))
assert pres.size == "4:3"
def test_size_default(self, temp_dir):
"""测试默认尺寸"""
yaml_content = """
slides:
- elements: []
"""
yaml_path = temp_dir / "test.yaml"
yaml_path.write_text(yaml_content)
pres = Presentation(str(yaml_path))
assert pres.size == "16:9" # 默认值
def test_size_without_metadata(self, temp_dir):
"""测试无 metadata 时的默认尺寸"""
yaml_content = """
slides:
- elements: []
"""
yaml_path = temp_dir / "test.yaml"
yaml_path.write_text(yaml_content)
pres = Presentation(str(yaml_path))
assert pres.size == "16:9"
class TestGetTemplate:
"""get_template 方法测试类"""
@patch("core.presentation.Template")
def test_get_template_caches_template(self, mock_template_class, sample_template):
"""测试模板被缓存"""
mock_template = Mock()
mock_template_class.return_value = mock_template
# 创建一个使用模板的 YAML
yaml_content = """
slides:
- elements: []
"""
yaml_path = sample_template / "test.yaml"
yaml_path.write_text(yaml_content)
pres = Presentation(str(yaml_path), str(sample_template))
# 第一次获取
template1 = pres.get_template("test_template")
# 第二次获取
template2 = pres.get_template("test_template")
# 应该是同一个实例
assert template1 is template2
@patch("core.presentation.Template")
def test_get_template_creates_new_template(
self, mock_template_class, sample_template
):
"""测试创建新模板"""
mock_template = Mock()
mock_template_class.return_value = mock_template
yaml_content = """
slides:
- elements: []
"""
yaml_path = sample_template / "test.yaml"
yaml_path.write_text(yaml_content)
pres = Presentation(str(yaml_path), str(sample_template))
# 获取模板
template = pres.get_template("new_template")
# 应该创建模板
mock_template_class.assert_called_once()
assert template == mock_template
def test_get_template_without_templates_dir(self, sample_yaml):
"""测试无模板目录时获取模板"""
pres = Presentation(str(sample_yaml))
# 应该在调用 Template 时失败,而不是 get_template
with patch("core.presentation.Template") as mock_template_class:
mock_template_class.side_effect = YAMLError("No template dir")
with pytest.raises(YAMLError):
pres.get_template("test")
class TestRenderSlide:
"""render_slide 方法测试类"""
def test_render_slide_without_template(self, sample_yaml):
"""测试渲染不使用模板的幻灯片"""
pres = Presentation(str(sample_yaml))
slide_data = {
"elements": [
{"type": "text", "content": "Test", "box": [0, 0, 1, 1], "font": {}}
]
}
result = pres.render_slide(slide_data)
assert "elements" in result
assert len(result["elements"]) == 1
assert result["elements"][0].content == "Test"
@patch("core.presentation.Template")
def test_render_slide_with_template(
self, mock_template_class, temp_dir, sample_template
):
"""测试渲染使用模板的幻灯片"""
mock_template = Mock()
mock_template.render.return_value = [
{
"type": "text",
"content": "Template Title",
"box": [0, 0, 1, 1],
"font": {},
}
]
mock_template_class.return_value = mock_template
yaml_content = """
slides:
- elements: []
"""
yaml_path = temp_dir / "test.yaml"
yaml_path.write_text(yaml_content)
pres = Presentation(str(yaml_path), str(sample_template))
slide_data = {"template": "title-slide", "vars": {"title": "My Title"}}
result = pres.render_slide(slide_data)
# 模板应该被渲染
mock_template.render.assert_called_once_with({"title": "My Title"})
assert "elements" in result
def test_render_slide_with_background(self, sample_yaml):
"""测试渲染带背景的幻灯片"""
pres = Presentation(str(sample_yaml))
slide_data = {"background": {"color": "#ffffff"}, "elements": []}
result = pres.render_slide(slide_data)
assert result["background"] == {"color": "#ffffff"}
def test_render_slide_without_background(self, sample_yaml):
"""测试渲染无背景的幻灯片"""
pres = Presentation(str(sample_yaml))
slide_data = {"elements": []}
result = pres.render_slide(slide_data)
assert result["background"] is None
@patch("core.presentation.create_element")
def test_render_slide_converts_dict_to_objects(
self, mock_create_element, sample_yaml
):
"""测试字典转换为元素对象"""
mock_elem = Mock()
mock_create_element.return_value = mock_elem
pres = Presentation(str(sample_yaml))
slide_data = {
"elements": [
{"type": "text", "content": "Test", "box": [0, 0, 1, 1], "font": {}}
]
}
result = pres.render_slide(slide_data)
# create_element 应该被调用
mock_create_element.assert_called()
assert result["elements"][0] == mock_elem
def test_render_slide_with_template_merges_background(
self, mock_template_class, temp_dir, sample_template
):
"""测试使用模板时合并背景"""
mock_template = Mock()
mock_template.render.return_value = [
{"type": "text", "content": "Title", "box": [0, 0, 1, 1], "font": {}}
]
mock_template_class.return_value = mock_template
yaml_content = """
slides:
- elements: []
"""
yaml_path = temp_dir / "test.yaml"
yaml_path.write_text(yaml_content)
pres = Presentation(str(yaml_path), str(sample_template))
slide_data = {
"template": "test",
"vars": {},
"background": {"color": "#ff0000"},
}
result = pres.render_slide(slide_data)
# 背景应该被保留
assert result["background"] == {"color": "#ff0000"}
def test_render_slide_empty_elements_list(self, sample_yaml):
"""测试空元素列表"""
pres = Presentation(str(sample_yaml))
slide_data = {"elements": []}
result = pres.render_slide(slide_data)
assert result["elements"] == []
@patch("core.presentation.create_element")
def test_render_slide_with_multiple_elements(
self, mock_create_element, sample_yaml
):
"""测试多个元素"""
mock_elem1 = Mock()
mock_elem2 = Mock()
mock_create_element.side_effect = [mock_elem1, mock_elem2]
pres = Presentation(str(sample_yaml))
slide_data = {
"elements": [
{"type": "text", "content": "T1", "box": [0, 0, 1, 1], "font": {}},
{"type": "text", "content": "T2", "box": [1, 1, 1, 1], "font": {}},
]
}
result = pres.render_slide(slide_data)
assert len(result["elements"]) == 2