#! /usr/bin/env python # -*- coding: utf-8 -*- # Author: Garret Fick <garret@ficksworkshop.com> import os import shutil import tempfile from ..render.cairo_backend import GerberCairoContext from ..rs274x import read from .tests import * from nose.tools import assert_tuple_equal def _DISABLED_test_render_two_boxes(): """Umaco exapmle of two boxes""" _test_render('resources/example_two_square_boxes.gbr', 'golden/example_two_square_boxes.png') def _DISABLED_test_render_single_quadrant(): """Umaco exapmle of a single quadrant arc""" _test_render('resources/example_single_quadrant.gbr', 'golden/example_single_quadrant.png') def _DISABLED_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 _DISABLED_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 _DISABLED_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 _DISABLED_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 _DISABLED_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 _DISABLED_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', '/Users/ham/Desktop/cutin.png') def _DISABLED_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 _DISABLED_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 _DISABLED_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', '/Users/ham/Desktop/flashcircle.png') def _DISABLED_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 _DISABLED_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 _DISABLED_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') def _DISABLED_test_holes_dont_clear(): """Umaco example that an aperture with a hole does not clear the area""" _test_render('resources/example_holes_dont_clear.gbr', 'golden/example_holes_dont_clear.png') def _DISABLED_test_render_am_exposure_modifier(): """Umaco example that an aperture macro with a hole does not clear the area""" _test_render('resources/example_am_exposure_modifier.gbr', 'golden/example_am_exposure_modifier.png') def test_render_svg_simple_contour(): """Example of rendering to an SVG file""" _test_simple_render_svg('resources/example_simple_contour.gbr') def _resolve_path(path): return os.path.join(os.path.dirname(__file__), path) def _test_render(gerber_path, png_expected_path, create_output_path = None): """Render the gerber file and compare to the expected PNG output. Parameters ---------- gerber_path : string Path to Gerber file to open png_expected_path : string Path to the PNG file to compare to create_output : string|None If not None, write the generated PNG to the specified path. 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 ctx = GerberCairoContext() gerber.render(ctx) actual_bytes = ctx.dump(None) # If we want to write the file bytes, do it now. This happens if create_output_path: with open(create_output_path, 'wb') as out_file: out_file.write(actual_bytes) # Creating the output is dangerous - it could overwrite the expected result. # So if we are creating the output, we make the test fail on purpose so you # won't forget to disable this assert_false(True, 'Test created the output %s. This needs to be disabled to make sure the test behaves correctly' % (create_output_path,)) # Read the expected PNG file with open(png_expected_path, 'rb') as expected_file: expected_bytes = expected_file.read() # Don't directly use assert_equal otherwise any failure pollutes the test results equal = (expected_bytes == actual_bytes) assert_true(equal) return gerber def _test_simple_render_svg(gerber_path): """Render the gerber file as SVG Note: verifies only the header, not the full content. Parameters ---------- gerber_path : string Path to Gerber file to open """ gerber_path = _resolve_path(gerber_path) gerber = read(gerber_path) # Create SVG image to the memory stream ctx = GerberCairoContext() gerber.render(ctx) temp_dir = tempfile.mkdtemp() svg_temp_path = os.path.join(temp_dir, 'output.svg') assert_false(os.path.exists(svg_temp_path)) ctx.dump(svg_temp_path) assert_true(os.path.exists(svg_temp_path)) with open(svg_temp_path, 'r') as expected_file: expected_bytes = expected_file.read() assert_equal(expected_bytes[:38], '<?xml version="1.0" encoding="UTF-8"?>') shutil.rmtree(temp_dir)