diff options
Diffstat (limited to 'gerber/tests/test_cairo_backend.py')
| -rw-r--r-- | gerber/tests/test_cairo_backend.py | 128 |
1 files changed, 122 insertions, 6 deletions
diff --git a/gerber/tests/test_cairo_backend.py b/gerber/tests/test_cairo_backend.py index e298439..38cffba 100644 --- a/gerber/tests/test_cairo_backend.py +++ b/gerber/tests/test_cairo_backend.py @@ -8,16 +8,125 @@ import os from ..render.cairo_backend import GerberCairoContext from ..rs274x import read, GerberFile from .tests import * +from nose.tools import assert_tuple_equal +def test_render_two_boxes(): + """Umaco exapmle of two boxes""" + _test_render('resources/example_two_square_boxes.gbr', 'golden/example_two_square_boxes.png') -TWO_BOXES_FILE = os.path.join(os.path.dirname(__file__), - 'resources/example_two_square_boxes.gbr') -TWO_BOXES_EXPECTED = os.path.join(os.path.dirname(__file__), - 'golden/example_two_square_boxes.png') -def test_render_polygon(): +def test_render_single_quadrant(): + """Umaco exapmle of a single quadrant arc""" + _test_render('resources/example_single_quadrant.gbr', 'golden/example_single_quadrant.png') + + +def test_render_simple_contour(): + """Umaco exapmle of a simple arrow-shaped contour""" + gerber = _test_render('resources/example_simple_contour.gbr', 'golden/example_simple_contour.png') + + # Check the resulting dimensions + assert_tuple_equal(((2.0, 11.0), (1.0, 9.0)), gerber.bounding_box) + + +def test_render_single_contour_1(): + """Umaco example of a single contour + + The resulting image for this test is used by other tests because they must generate the same output.""" + _test_render('resources/example_single_contour_1.gbr', 'golden/example_single_contour.png') + + +def test_render_single_contour_2(): + """Umaco exapmle of a single contour, alternate contour end order + + The resulting image for this test is used by other tests because they must generate the same output.""" + _test_render('resources/example_single_contour_2.gbr', 'golden/example_single_contour.png') + + +def test_render_single_contour_3(): + """Umaco exapmle of a single contour with extra line""" + _test_render('resources/example_single_contour_3.gbr', 'golden/example_single_contour_3.png') + + +def test_render_not_overlapping_contour(): + """Umaco example of D02 staring a second contour""" + _test_render('resources/example_not_overlapping_contour.gbr', 'golden/example_not_overlapping_contour.png') + + +def test_render_not_overlapping_touching(): + """Umaco example of D02 staring a second contour""" + _test_render('resources/example_not_overlapping_touching.gbr', 'golden/example_not_overlapping_touching.png') + + +def test_render_overlapping_touching(): + """Umaco example of D02 staring a second contour""" + _test_render('resources/example_overlapping_touching.gbr', 'golden/example_overlapping_touching.png') + + +def test_render_overlapping_contour(): + """Umaco example of D02 staring a second contour""" + _test_render('resources/example_overlapping_contour.gbr', 'golden/example_overlapping_contour.png') + + +def _DISABLED_test_render_level_holes(): + """Umaco example of using multiple levels to create multiple holes""" + + # TODO This is clearly rendering wrong. I'm temporarily checking this in because there are more + # rendering fixes in the related repository that may resolve these. + _test_render('resources/example_level_holes.gbr', 'golden/example_overlapping_contour.png') + + +def _DISABLED_test_render_cutin(): + """Umaco example of using a cutin""" + + # TODO This is clearly rendering wrong. + _test_render('resources/example_cutin.gbr', 'golden/example_cutin.png') + + +def test_render_fully_coincident(): + """Umaco example of coincident lines rendering two contours""" + + _test_render('resources/example_fully_coincident.gbr', 'golden/example_fully_coincident.png') + + +def test_render_coincident_hole(): + """Umaco example of coincident lines rendering a hole in the contour""" + + _test_render('resources/example_coincident_hole.gbr', 'golden/example_coincident_hole.png') + + +def test_render_cutin_multiple(): + """Umaco example of a region with multiple cutins""" + + _test_render('resources/example_cutin_multiple.gbr', 'golden/example_cutin_multiple.png') + + +def test_flash_circle(): + """Umaco example a simple circular flash with and without a hole""" + + _test_render('resources/example_flash_circle.gbr', 'golden/example_flash_circle.png') + + +def test_flash_rectangle(): + """Umaco example a simple rectangular flash with and without a hole""" + + _test_render('resources/example_flash_rectangle.gbr', 'golden/example_flash_rectangle.png') + + +def test_flash_obround(): + """Umaco example a simple obround flash with and without a hole""" + + _test_render('resources/example_flash_obround.gbr', 'golden/example_flash_obround.png') + + +def test_flash_polygon(): + """Umaco example a simple polygon flash with and without a hole""" + + _test_render('resources/example_flash_polygon.gbr', 'golden/example_flash_polygon.png', 'golden/example_flash_polygon.png') + +def _resolve_path(path): + return os.path.join(os.path.dirname(__file__), + path) - _test_render(TWO_BOXES_FILE, TWO_BOXES_EXPECTED) def _test_render(gerber_path, png_expected_path, create_output_path = None): """Render the gerber file and compare to the expected PNG output. @@ -33,6 +142,11 @@ def _test_render(gerber_path, png_expected_path, create_output_path = None): This is primarily to help with """ + gerber_path = _resolve_path(gerber_path) + png_expected_path = _resolve_path(png_expected_path) + if create_output_path: + create_output_path = _resolve_path(create_output_path) + gerber = read(gerber_path) # Create PNG image to the memory stream @@ -56,3 +170,5 @@ def _test_render(gerber_path, png_expected_path, create_output_path = None): expected_bytes = expected_file.read() assert_equal(expected_bytes, actual_bytes) + + return gerber |