# ***************************************************************************
# *   Copyright (c) 2013 Yorik van Havre <yorik@uncreated.net>              *
# *   Copyright (c) 2019 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de> *
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"""Unit tests for the Draft Workbench, DWG import and export tests."""
## @package test_dwg
# \ingroup drafttests
# \brief Unit tests for the Draft Workbench, DWG import and export tests.

## \addtogroup drafttests
# @{
import os
import unittest

import FreeCAD as App
import Draft
import drafttests.auxiliary as aux

from draftutils.messages import _msg


class DraftDWG(unittest.TestCase):
    """Test reading and writing of DWG files with Draft."""

    def setUp(self):
        """Set up a new document to hold the tests.

        This is executed before every test, so we create a document
        to hold the objects.
        """
        aux.draw_header()
        self.doc_name = self.__class__.__name__
        if App.ActiveDocument:
            if App.ActiveDocument.Name != self.doc_name:
                App.newDocument(self.doc_name)
        else:
            App.newDocument(self.doc_name)
        App.setActiveDocument(self.doc_name)
        self.doc = App.ActiveDocument
        _msg("  Temporary document '{}'".format(self.doc_name))

    def test_read_dwg(self):
        """Read a DWG file and import its elements as Draft objects."""
        operation = "importDWG.import"
        _msg("  Test '{}'".format(operation))
        _msg("  This test requires a DWG file to read.")

        file = 'Mod/Draft/drafttest/test.dwg'
        in_file = os.path.join(App.getResourceDir(), file)
        _msg("  file={}".format(in_file))
        _msg("  exists={}".format(os.path.exists(in_file)))

        Draft.import_dwg = aux.fake_function
        obj = Draft.import_dwg(in_file)
        self.assertTrue(obj, "'{}' failed".format(operation))

    def test_export_dwg(self):
        """Create some figures and export them to a DWG file."""
        operation = "importDWG.export"
        _msg("  Test '{}'".format(operation))

        file = 'Mod/Draft/drafttest/out_test.dwg'
        out_file = os.path.join(App.getResourceDir(), file)
        _msg("  file={}".format(out_file))
        _msg("  exists={}".format(os.path.exists(out_file)))

        Draft.export_dwg = aux.fake_function
        obj = Draft.export_dwg(out_file)
        self.assertTrue(obj, "'{}' failed".format(operation))

    def tearDown(self):
        """Finish the test.

        This is executed after each test, so we close the document.
        """
        App.closeDocument(self.doc_name)

## @}
