185 lines
6.4 KiB
Python
185 lines
6.4 KiB
Python
#! /usr/bin/env python
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# -*- coding: utf-8 -*-
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# Author: Garret Fick <garret@ficksworkshop.com>
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import os
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from ..render.rs274x_backend import Rs274xContext
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from ..rs274x import read
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from .tests import *
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def test_render_two_boxes():
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"""Umaco exapmle of two boxes"""
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_test_render('resources/example_two_square_boxes.gbr', 'golden/example_two_square_boxes.gbr')
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def _test_render_single_quadrant():
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"""Umaco exapmle of a single quadrant arc"""
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# TODO there is probably a bug here
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_test_render('resources/example_single_quadrant.gbr', 'golden/example_single_quadrant.gbr')
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def _test_render_simple_contour():
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"""Umaco exapmle of a simple arrow-shaped contour"""
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_test_render('resources/example_simple_contour.gbr', 'golden/example_simple_contour.gbr')
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def _test_render_single_contour_1():
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"""Umaco example of a single contour
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The resulting image for this test is used by other tests because they must generate the same output."""
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_test_render('resources/example_single_contour_1.gbr', 'golden/example_single_contour.gbr')
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def _test_render_single_contour_2():
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"""Umaco exapmle of a single contour, alternate contour end order
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The resulting image for this test is used by other tests because they must generate the same output."""
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_test_render('resources/example_single_contour_2.gbr', 'golden/example_single_contour.gbr')
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def _test_render_single_contour_3():
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"""Umaco exapmle of a single contour with extra line"""
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_test_render('resources/example_single_contour_3.gbr', 'golden/example_single_contour_3.gbr')
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def _test_render_not_overlapping_contour():
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"""Umaco example of D02 staring a second contour"""
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_test_render('resources/example_not_overlapping_contour.gbr', 'golden/example_not_overlapping_contour.gbr')
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def _test_render_not_overlapping_touching():
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"""Umaco example of D02 staring a second contour"""
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_test_render('resources/example_not_overlapping_touching.gbr', 'golden/example_not_overlapping_touching.gbr')
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def _test_render_overlapping_touching():
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"""Umaco example of D02 staring a second contour"""
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_test_render('resources/example_overlapping_touching.gbr', 'golden/example_overlapping_touching.gbr')
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def _test_render_overlapping_contour():
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"""Umaco example of D02 staring a second contour"""
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_test_render('resources/example_overlapping_contour.gbr', 'golden/example_overlapping_contour.gbr')
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def _DISABLED_test_render_level_holes():
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"""Umaco example of using multiple levels to create multiple holes"""
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# TODO This is clearly rendering wrong. I'm temporarily checking this in because there are more
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# rendering fixes in the related repository that may resolve these.
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_test_render('resources/example_level_holes.gbr', 'golden/example_overlapping_contour.gbr')
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def _DISABLED_test_render_cutin():
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"""Umaco example of using a cutin"""
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# TODO This is clearly rendering wrong.
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_test_render('resources/example_cutin.gbr', 'golden/example_cutin.gbr')
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def _test_render_fully_coincident():
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"""Umaco example of coincident lines rendering two contours"""
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_test_render('resources/example_fully_coincident.gbr', 'golden/example_fully_coincident.gbr')
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def _test_render_coincident_hole():
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"""Umaco example of coincident lines rendering a hole in the contour"""
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_test_render('resources/example_coincident_hole.gbr', 'golden/example_coincident_hole.gbr')
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def _test_render_cutin_multiple():
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"""Umaco example of a region with multiple cutins"""
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_test_render('resources/example_cutin_multiple.gbr', 'golden/example_cutin_multiple.gbr')
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def _test_flash_circle():
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"""Umaco example a simple circular flash with and without a hole"""
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_test_render('resources/example_flash_circle.gbr', 'golden/example_flash_circle.gbr')
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def _test_flash_rectangle():
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"""Umaco example a simple rectangular flash with and without a hole"""
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_test_render('resources/example_flash_rectangle.gbr', 'golden/example_flash_rectangle.gbr')
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def _test_flash_obround():
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"""Umaco example a simple obround flash with and without a hole"""
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_test_render('resources/example_flash_obround.gbr', 'golden/example_flash_obround.gbr')
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def _test_flash_polygon():
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"""Umaco example a simple polygon flash with and without a hole"""
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_test_render('resources/example_flash_polygon.gbr', 'golden/example_flash_polygon.gbr')
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def _test_holes_dont_clear():
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"""Umaco example that an aperture with a hole does not clear the area"""
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_test_render('resources/example_holes_dont_clear.gbr', 'golden/example_holes_dont_clear.gbr')
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def _test_render_am_exposure_modifier():
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"""Umaco example that an aperture macro with a hole does not clear the area"""
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_test_render('resources/example_am_exposure_modifier.gbr', 'golden/example_am_exposure_modifier.gbr')
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def _resolve_path(path):
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return os.path.join(os.path.dirname(__file__),
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path)
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def _test_render(gerber_path, png_expected_path, create_output_path = None):
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"""Render the gerber file and compare to the expected PNG output.
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Parameters
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----------
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gerber_path : string
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Path to Gerber file to open
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png_expected_path : string
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Path to the PNG file to compare to
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create_output : string|None
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If not None, write the generated PNG to the specified path.
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This is primarily to help with
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"""
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gerber_path = _resolve_path(gerber_path)
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png_expected_path = _resolve_path(png_expected_path)
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if create_output_path:
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create_output_path = _resolve_path(create_output_path)
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gerber = read(gerber_path)
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# Create GBR output from the input file
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ctx = Rs274xContext(gerber.settings)
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gerber.render(ctx)
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actual_contents = ctx.dump()
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# If we want to write the file bytes, do it now. This happens
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if create_output_path:
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with open(create_output_path, 'wb') as out_file:
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out_file.write(actual_contents.getvalue())
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# Creating the output is dangerous - it could overwrite the expected result.
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# So if we are creating the output, we make the test fail on purpose so you
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# won't forget to disable this
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assert_false(True, 'Test created the output %s. This needs to be disabled to make sure the test behaves correctly' % (create_output_path,))
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# Read the expected PNG file
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with open(png_expected_path, 'r') as expected_file:
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expected_contents = expected_file.read()
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assert_equal(expected_contents, actual_contents.getvalue())
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return gerber
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