mirror of https://github.com/papermerge/mglib
146 lines
5.3 KiB
Python
146 lines
5.3 KiB
Python
import os
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import unittest
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from unittest import mock
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from mglib import pdftk
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from mglib.conf import settings
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from mglib.runcmd import run
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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DATA_DIR = os.path.join(BASE_DIR, "data")
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class TestPdfLib(unittest.TestCase):
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def test_ranges_for_reorder(self):
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actual = pdftk.cat_ranges_for_reorder(4, [
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{"page_order": 1, "page_num": 4},
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{"page_order": 2, "page_num": 3},
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{"page_order": 3, "page_num": 2},
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{"page_order": 4, "page_num": 1}
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])
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expected = [4,3,2,1]
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assert expected == actual
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self.assertRaises(ValueError, pdftk.cat_ranges_for_reorder, 2, [])
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self.assertRaises(KeyError, pdftk.cat_ranges_for_reorder, 2, [
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{"page_order": 3, "page_num": 4},
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{"page_order": 5, "page_num": 6}
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])
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def test_delete_pages(self):
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input_file = os.path.join(DATA_DIR, "berlin.pdf")
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output_file = os.path.join(DATA_DIR, "berlin2.pdf")
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with mock.patch("mglib.pdftk.run") as run_func:
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pdftk.delete_pages(input_file, output_file, [1])
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run_func.assert_called()
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run_func.assert_called_with(
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[settings.BINARY_PDFTK, input_file, "cat", "2", "output", output_file]
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)
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def test_cat_ranges_for_delete(self):
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page_count = 22
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page_numbers = range(1, 23)
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actual = pdftk.cat_ranges_for_delete(page_count, [21])
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expected = list(page_numbers)
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expected.remove(21)
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assert actual == expected
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actual = pdftk.cat_ranges_for_delete(page_count, [1])
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expected = list(page_numbers)
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expected.remove(1)
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assert actual == expected
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actual = pdftk.cat_ranges_for_delete(page_count, [1, 7, 10])
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expected = list(page_numbers)
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expected.remove(1)
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expected.remove(7)
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expected.remove(10)
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assert actual == expected
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self.assertRaises(ValueError, pdftk.cat_ranges_for_delete, page_count, ["1"])
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def test_split_ranges(self):
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page_count = 9
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page_numbers = list(range(1, 10))
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self.assertRaises(ValueError, pdftk.split_ranges, 9, after="a", before=False)
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self.assertRaises(ValueError, pdftk.split_ranges, 9, after=False, before=True)
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actual1, actual2 = pdftk.split_ranges(page_count, 1, False)
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expected1 = [1]
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expected2 = [2, 3, 4, 5, 6, 7, 8, 9]
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assert actual1 == expected1
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assert actual2 == expected2
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actual1, actual2 = pdftk.split_ranges(page_count, False, 2)
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expected1 = [1]
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expected2 = [2, 3, 4, 5, 6, 7, 8, 9]
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assert actual1 == expected1
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assert actual2 == expected2
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actual1, actual2 = pdftk.split_ranges(page_count)
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expected1 = list(range(1, page_count + 1))
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expected2 = []
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assert actual1 == expected1
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assert actual2 == expected2
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def test_reorder_pages(self):
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input_file = os.path.join(DATA_DIR, "berlin.pdf")
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output_file = os.path.join(DATA_DIR, "berlin2.pdf")
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new_order = [
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{'page_num': 2, 'page_order': 1},
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{'page_num': 1, 'page_order': 2},
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]
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with mock.patch("mglib.pdftk.run") as run_func:
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pdftk.reorder_pages(input_file, output_file, new_order)
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run_func.assert_called()
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run_func.assert_called_with(
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[settings.BINARY_PDFTK, input_file, "cat", "2", "1", "output", output_file]
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)
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def test_paste_pages_into_existing_doc(self):
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input_file = os.path.join(DATA_DIR, "berlin.pdf")
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output_file = os.path.join(DATA_DIR, "berlin2.pdf")
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datalist = []
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with mock.patch("mglib.pdftk.run") as run_func:
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pdftk.paste_pages_into_existing_doc(input_file, output_file, datalist)
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run_func.assert_called()
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run_func.assert_called_with(
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[settings.BINARY_PDFTK, "A=" + input_file, "cat", "A1", "A2", "output", output_file]
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)
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datalist = [{"src": input_file, "page_nums": "34"}]
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with mock.patch("mglib.pdftk.run") as run_func:
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pdftk.paste_pages_into_existing_doc(input_file, output_file, datalist, 1)
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run_func.assert_called()
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run_func.assert_called_with(
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[settings.BINARY_PDFTK, "A=" + input_file, "B=" + input_file, "cat", "A1", "B3",
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"B4", "A2", "output", output_file]
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)
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def test_paste_pages(self):
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input_file = os.path.join(DATA_DIR, "berlin.pdf")
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output_file = os.path.join(DATA_DIR, "berlin2.pdf")
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datalist = []
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with mock.patch("mglib.pdftk.run") as run_func:
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pdftk.paste_pages(input_file, output_file, datalist, False)
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run_func.assert_called()
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run_func.assert_called_with(
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[settings.BINARY_PDFTK, "A=" + input_file, "cat", "A1", "A2", "output", output_file]
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)
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datalist = [{"src": input_file, "page_nums": "34"}]
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with mock.patch("mglib.pdftk.run") as run_func:
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pdftk.paste_pages(input_file, output_file, datalist)
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run_func.assert_called()
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run_func.assert_called_with(
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[settings.BINARY_PDFTK, "A=" + input_file, "cat", "A3", "A4",
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"output", output_file]
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)
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