text: from __future__ import absolute_import
  # Copyright (c) 2010-2019 openpyexcel
  
  import pytest
  
  class DummyWorkbook:
  
      encoding = "utf-8"
  
      def __init__(self):
          self.sheetnames = ["Sheet 1"]
  
  
  @pytest.fixture
  def WorkbookChild():
      from .. child import _WorkbookChild
      return _WorkbookChild
  
  
  s = r'[\\*?:/\[\]]'
  
  @pytest.mark.parametrize("value",
                           [
                               "Title:",
                               "title?",
                               "title/",
                               "title[",
                               "title]",
                               r"title\\",
                               "title*",
                           ]
                           )
  def test_invalid_chars(value):
      from ..child import INVALID_TITLE_REGEX
      assert INVALID_TITLE_REGEX.search(value)
  
  
  @pytest.mark.parametrize("names, value, result",
                           [
                               ([], "Sheet", "Sheet"),
                               (["Sheet2"], "Sheet2", "Sheet21"), # suggestions are stupid
                               ([u"R\xf3g"], u"R\xf3g", u"R\xf3g1"),
                               (["Sheet", "Sheet1"], 'Sheet', 'Sheet2'),
                               (["Regex Test ("], "Regex Test (", "Regex Test (1"),
                               (["Foo", "Baz", "Sheet2", "Sheet3", "Bar", "Sheet4", "Sheet6"], "Sheet", "Sheet"),
                               (["Foo"], "FOO", "FOO1"),
                           ]
                           )
  def test_duplicate_title(names, value, result):
      from ..child import avoid_duplicate_name
      title = avoid_duplicate_name(names, value)
      assert title == result
  
  
  class TestWorkbookChild:
  
      def test_ctor(self, WorkbookChild):
          wb = DummyWorkbook()
          child = WorkbookChild(wb)
          assert child.parent == wb
          assert child.encoding == "utf-8"
          assert child.title == "Sheet"
  
  
      def test_repr(self, WorkbookChild):
          wb = DummyWorkbook()
          child = WorkbookChild(wb)
          assert repr(child) == '<_WorkbookChild "Sheet">'
  
  
      def test_invalid_title(self, WorkbookChild):
          wb = DummyWorkbook()
          child = WorkbookChild(wb)
          with pytest.raises(ValueError):
              child.title = "title?"
  
  
      def test_reassign_title(self, WorkbookChild):
          wb = DummyWorkbook()
          child = WorkbookChild(wb, "Sheet")
          assert child.title == "Sheet"
  
  
      def test_title_too_long(self, WorkbookChild, recwarn):
  
          WorkbookChild(DummyWorkbook(), 'X' * 50)
          w = recwarn.pop()
          assert w.category == UserWarning
  
  
      def test_set_encoded_title(self, WorkbookChild):
          with pytest.raises(ValueError):
              WorkbookChild(DummyWorkbook(), b'B\xc3\xbcro')
  
  
      def test_empty_title(self, WorkbookChild):
          child = WorkbookChild(DummyWorkbook())
          with pytest.raises(ValueError):
              child.title = ""
  