###############################################################################
#
# Tests for XlsxWriter.
#
# Copyright (c), 2013-2015, John McNamara, jmcnamara@cpan.org
#

from ..excel_comparsion_test import ExcelComparisonTest
from ...workbook import Workbook


class TestCompareXLSXFiles(ExcelComparisonTest):
    """
    Test file created by XlsxWriter against a file created by Excel.

    """

    def setUp(self):
        self.maxDiff = None

        filename = 'tutorial01.xlsx'

        test_dir = 'xlsxwriter/test/comparison/'
        self.got_filename = test_dir + '_test_' + filename
        self.exp_filename = test_dir + 'xlsx_files/' + filename

        self.ignore_files = ['xl/calcChain.xml',
                             '[Content_Types].xml',
                             'xl/_rels/workbook.xml.rels']
        self.ignore_elements = {}

    def test_create_file(self):
        """Example spreadsheet used in the tutorial."""

        workbook = Workbook(self.got_filename)
        worksheet = workbook.add_worksheet()

        # Some data we want to write to the worksheet.
        expenses = (
            ['Rent', 1000],
            ['Gas', 100],
            ['Food', 300],
            ['Gym', 50],
        )

        # Start from the first cell. Rows and columns are zero indexed.
        row = 0
        col = 0

        # Iterate over the data and write it out row by row.
        for item, cost in (expenses):
            worksheet.write(row, col, item)
            worksheet.write(row, col + 1, cost)
            row += 1

        # Write a total using a formula.
        worksheet.write(row, 0, 'Total')
        worksheet.write(row, 1, '=SUM(B1:B4)', None, 1450)

        workbook.close()

        self.assertExcelEqual()
