zhou
413ab40044
1. 在pyproject.toml中为测试文件添加ARG001和ARG002规则忽略 2. 重构多个CLI测试文件，移除冗余的mock断言、导入顺序调整 3. 统一测试用例的帮助信息输出逻辑，移除SystemExit捕获，简化测试流程 4. 拆分合并冗余的测试类，按功能细化测试用例 5. 移除测试代码中多余的注释和pytest导入
323 lines
12 KiB
Python
323 lines
12 KiB
Python
"""Tests for cli.pdftool module."""
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from __future__ import annotations
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from pathlib import Path
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from unittest.mock import MagicMock, patch
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import pytest
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import pyflowx as px
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from pyflowx.cli import pdftool
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# ---------------------------------------------------------------------- #
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# pdf_merge
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# ---------------------------------------------------------------------- #
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class TestPdfMerge:
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"""Test pdf_merge function."""
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def test_pdf_merge_files(self, tmp_path: Path) -> None:
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"""Should merge PDF files."""
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pytest.importorskip("pypdf")
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input_files = [tmp_path / "input1.pdf", tmp_path / "input2.pdf"]
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for f in input_files:
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f.write_bytes(b"PDF content")
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output_file = tmp_path / "merged.pdf"
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with patch("pypdf.PdfReader"), patch("pypdf.PdfWriter") as mock_writer:
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mock_writer_instance = MagicMock()
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mock_writer.return_value = mock_writer_instance
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pdftool.pdf_merge(input_files, output_file)
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assert mock_writer_instance.write.called
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# ---------------------------------------------------------------------- #
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# pdf_split
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# ---------------------------------------------------------------------- #
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class TestPdfSplit:
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"""Test pdf_split function."""
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def test_pdf_split_file(self, tmp_path: Path) -> None:
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"""Should split PDF file."""
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pytest.importorskip("pypdf")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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output_dir = tmp_path / "split"
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with patch("pypdf.PdfReader") as mock_reader, patch("pypdf.PdfWriter"):
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mock_reader_instance = MagicMock()
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mock_reader.return_value = mock_reader_instance
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mock_reader_instance.pages = [MagicMock()]
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pdftool.pdf_split(input_file, output_dir)
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assert output_dir.exists()
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# ---------------------------------------------------------------------- #
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# pdf_compress
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# ---------------------------------------------------------------------- #
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class TestPdfCompress:
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"""Test pdf_compress function."""
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def test_pdf_compress_file(self, tmp_path: Path) -> None:
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"""Should compress PDF file."""
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pytest.importorskip("fitz")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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output_file = tmp_path / "compressed.pdf"
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with patch("fitz.open") as mock_fitz_open:
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mock_doc = MagicMock()
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mock_fitz_open.return_value = mock_doc
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# Mock save to actually create the file
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def mock_save(*args, **kwargs):
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output_file.write_bytes(b"Compressed PDF")
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mock_doc.save = mock_save
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pdftool.pdf_compress(input_file, output_file)
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assert output_file.exists()
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# ---------------------------------------------------------------------- #
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# pdf_extract_text
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# ---------------------------------------------------------------------- #
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class TestPdfExtractText:
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"""Test pdf_extract_text function."""
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def test_pdf_extract_text_file(self, tmp_path: Path) -> None:
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"""Should extract text from PDF."""
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pytest.importorskip("fitz")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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output_file = tmp_path / "output.txt"
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with patch("fitz.open") as mock_fitz_open:
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mock_doc = MagicMock()
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mock_page = MagicMock()
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mock_page.get_text.return_value = "Test text"
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mock_doc.__iter__ = MagicMock(return_value=iter([mock_page]))
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mock_fitz_open.return_value = mock_doc
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pdftool.pdf_extract_text(input_file, output_file)
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assert output_file.exists()
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# ---------------------------------------------------------------------- #
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# pdf_extract_images
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# ---------------------------------------------------------------------- #
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class TestPdfExtractImages:
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"""Test pdf_extract_images function."""
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def test_pdf_extract_images_file(self, tmp_path: Path) -> None:
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"""Should extract images from PDF."""
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pytest.importorskip("fitz")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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output_dir = tmp_path / "images"
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with patch("fitz.open") as mock_fitz_open:
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mock_doc = MagicMock()
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mock_page = MagicMock()
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mock_page.get_images.return_value = [[0]]
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mock_doc.__iter__ = MagicMock(return_value=iter([mock_page]))
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mock_doc.extract_image.return_value = {"image": b"image data", "ext": "png"}
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mock_fitz_open.return_value = mock_doc
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pdftool.pdf_extract_images(input_file, output_dir)
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assert output_dir.exists()
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# ---------------------------------------------------------------------- #
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# pdf_add_watermark
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# ---------------------------------------------------------------------- #
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class TestPdfAddWatermark:
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"""Test pdf_add_watermark function."""
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def test_pdf_add_watermark_file(self, tmp_path: Path) -> None:
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"""Should add watermark to PDF."""
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pytest.importorskip("fitz")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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output_file = tmp_path / "watermarked.pdf"
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with patch("fitz.open") as mock_fitz_open, patch("fitz.get_text_length") as mock_text_length:
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mock_doc = MagicMock()
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mock_page = MagicMock()
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mock_page.rect = MagicMock(width=800, height=600)
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mock_doc.__iter__ = MagicMock(return_value=iter([mock_page]))
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mock_fitz_open.return_value = mock_doc
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mock_text_length.return_value = 100
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pdftool.pdf_add_watermark(input_file, output_file)
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assert mock_doc.save.called
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# ---------------------------------------------------------------------- #
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# pdf_rotate
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# ---------------------------------------------------------------------- #
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class TestPdfRotate:
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"""Test pdf_rotate function."""
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def test_pdf_rotate_file_90(self, tmp_path: Path) -> None:
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"""Should rotate PDF by 90 degrees."""
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pytest.importorskip("fitz")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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output_file = tmp_path / "rotated.pdf"
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with patch("fitz.open") as mock_fitz_open:
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mock_doc = MagicMock()
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mock_page = MagicMock()
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mock_doc.__iter__ = MagicMock(return_value=iter([mock_page]))
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mock_fitz_open.return_value = mock_doc
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pdftool.pdf_rotate(input_file, output_file, rotation=90)
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assert mock_doc.save.called
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def test_pdf_rotate_file_180(self, tmp_path: Path) -> None:
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"""Should rotate PDF by 180 degrees."""
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pytest.importorskip("fitz")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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output_file = tmp_path / "rotated.pdf"
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with patch("fitz.open") as mock_fitz_open:
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mock_doc = MagicMock()
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mock_page = MagicMock()
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mock_doc.__iter__ = MagicMock(return_value=iter([mock_page]))
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mock_fitz_open.return_value = mock_doc
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pdftool.pdf_rotate(input_file, output_file, rotation=180)
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assert mock_doc.save.called
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# ---------------------------------------------------------------------- #
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# pdf_crop
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# ---------------------------------------------------------------------- #
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class TestPdfCrop:
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"""Test pdf_crop function."""
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def test_pdf_crop_file(self, tmp_path: Path) -> None:
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"""Should crop PDF."""
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pytest.importorskip("fitz")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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output_file = tmp_path / "cropped.pdf"
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with patch("fitz.open") as mock_fitz_open, patch("fitz.Rect"):
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mock_doc = MagicMock()
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mock_page = MagicMock()
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mock_page.rect = MagicMock(x0=0, y0=0, x1=800, y1=600)
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mock_doc.__iter__ = MagicMock(return_value=iter([mock_page]))
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mock_fitz_open.return_value = mock_doc
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pdftool.pdf_crop(input_file, output_file, margins=(10, 10, 10, 10))
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assert mock_doc.save.called
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# ---------------------------------------------------------------------- #
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# pdf_info
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# ---------------------------------------------------------------------- #
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class TestPdfInfo:
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"""Test pdf_info function."""
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def test_pdf_info_file(self, tmp_path: Path) -> None:
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"""Should show PDF info."""
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pytest.importorskip("fitz")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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with patch("fitz.open") as mock_fitz_open:
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mock_doc = MagicMock()
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mock_doc.page_count = 10
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mock_doc.metadata = {"title": "Test", "author": "Author"}
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mock_fitz_open.return_value = mock_doc
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pdftool.pdf_info(input_file)
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assert mock_fitz_open.called
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# ---------------------------------------------------------------------- #
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# pdf_ocr
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# ---------------------------------------------------------------------- #
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class TestPdfOcr:
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"""Test pdf_ocr function."""
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def test_pdf_ocr_file(self, tmp_path: Path) -> None:
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"""Should OCR PDF."""
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pytest.importorskip("fitz")
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pytest.importorskip("pytesseract")
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pytest.importorskip("PIL")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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output_file = tmp_path / "ocr.pdf"
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with patch("fitz.open") as mock_fitz_open, patch("PIL.Image.frombytes"), patch(
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"pytesseract.image_to_string"
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) as mock_ocr:
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mock_doc = MagicMock()
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mock_page = MagicMock()
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mock_page.rect = MagicMock(width=800, height=600)
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mock_doc.__iter__ = MagicMock(return_value=iter([mock_page]))
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mock_fitz_open.return_value = mock_doc
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mock_ocr.return_value = "OCR text"
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pdftool.pdf_ocr(input_file, output_file)
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# Should complete OCR
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# ---------------------------------------------------------------------- #
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# pdf_repair
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# ---------------------------------------------------------------------- #
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class TestPdfRepair:
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"""Test pdf_repair function."""
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def test_pdf_repair_file(self, tmp_path: Path) -> None:
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"""Should repair PDF."""
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pytest.importorskip("fitz")
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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output_file = tmp_path / "repaired.pdf"
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with patch("fitz.open") as mock_fitz_open:
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mock_doc = MagicMock()
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mock_fitz_open.return_value = mock_doc
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pdftool.pdf_repair(input_file, output_file)
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assert mock_doc.save.called
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# ---------------------------------------------------------------------- #
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# main function
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# ---------------------------------------------------------------------- #
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class TestMain:
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"""Test main function."""
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def test_main_merge_command(self, tmp_path: Path) -> None:
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"""main() should handle merge command."""
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input_files = [tmp_path / "input1.pdf", tmp_path / "input2.pdf"]
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for f in input_files:
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f.write_bytes(b"PDF content")
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with patch("sys.argv", ["pdftool", "m", str(input_files[0]), str(input_files[1])]), patch.object(
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px, "run"
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) as mock_run:
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pdftool.main()
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assert mock_run.called
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def test_main_split_command(self, tmp_path: Path) -> None:
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"""main() should handle split command."""
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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with patch("sys.argv", ["pdftool", "s", str(input_file)]), patch.object(px, "run") as mock_run:
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pdftool.main()
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assert mock_run.called
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def test_main_compress_command(self, tmp_path: Path) -> None:
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"""main() should handle compress command."""
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input_file = tmp_path / "input.pdf"
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input_file.write_bytes(b"PDF content")
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with patch("sys.argv", ["pdftool", "c", str(input_file)]), patch.object(px, "run") as mock_run:
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pdftool.main()
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assert mock_run.called
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def test_main_with_no_args_shows_help(self) -> None:
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"""main() with no args should show help."""
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with patch("sys.argv", ["pdftool"]):
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pdftool.main()
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# Should print help and return
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