XFESystem

"""Negative controls for boot pixel and readiness evidence. Fixtures are not guest acceptance."""
import tempfile
import unittest
from pathlib import Path
from PIL import Image
from BootAnimationEvidence import BootAnimationCapture, inspect_boot_frame


class BootEvidenceGuards(unittest.TestCase):
    def test_black_is_allowed_but_unrelated_visible_pixels_are_not(self):
        image=Image.new('RGB',(1280,800))
        self.assertEqual(0,inspect_boot_frame(image)['OutsideNonBlackPixels'])
        for x,y in ((0,0),(640,4),(10,790),(1100,100)):
            with self.subTest(point=(x,y)):
                changed=image.copy();changed.putpixel((x,y),(0,255,255))
                with self.assertRaisesRegex(AssertionError,'outside'):inspect_boot_frame(changed)

    def test_old_top_progress_bar_is_rejected(self):
        image=Image.new('RGB',(1280,800));image.paste((56,199,164),(0,0,1280,10))
        with self.assertRaisesRegex(AssertionError,'outside'):inspect_boot_frame(image)

    def test_fast_readiness_cannot_skip_the_intro_or_release_after_an_app_frame(self):
        with tempfile.TemporaryDirectory() as directory:
            capture=BootAnimationCapture(Path(directory))
            capture.frames=[{'LogoPixels':200,'WordmarkPixels':30,'Sha256':str(i),'Phase':'Intro','LoaderPixels':0} for i in range(2)]
            markers='XFE_BOOT_VISUAL_START|\nXFE_BOOT_VISUAL_APPLICATION_FRAME_READY\nXFE_BOOT_VISUAL_INTRO_COMPLETE\n'
            valid=markers+'XFE_BOOT_VISUAL_RELEASED|ElapsedMs|2401|Frames|100|LoadingShown|0\nFIRST_FRAME'
            self.assertTrue(capture.finish(valid,'FIRST_FRAME')['Passed'])
            for invalid in (valid.replace('2401','2000'),valid.replace('XFE_BOOT_VISUAL_INTRO_COMPLETE','Missing'),
                            markers+'FIRST_FRAME\nXFE_BOOT_VISUAL_RELEASED|ElapsedMs|2401|Frames|100|LoadingShown|0'):
                with self.assertRaises(AssertionError):capture.finish(invalid,'FIRST_FRAME')

    def test_waiting_diagnostic_does_not_qualify_an_application_or_allow_early_release(self):
        with tempfile.TemporaryDirectory() as directory:
            capture=BootAnimationCapture(Path(directory))
            capture.frames=[{'LogoPixels':200,'WordmarkPixels':30,'Sha256':str(i),'Phase':'Waiting','LoaderPixels':10} for i in range(3)]
            serial='XFE_BOOT_VISUAL_START|\nXFE_BOOT_VISUAL_WAITING'
            result=capture.finish_waiting_diagnostic(serial)
            self.assertTrue(result['Passed']);self.assertFalse(result['ApplicationAcceptance'])
            for marker in ('XFE_BOOT_VISUAL_APPLICATION_FRAME_READY','XFE_BOOT_VISUAL_RELEASED|'):
                with self.assertRaises(AssertionError):capture.finish_waiting_diagnostic(serial+marker)


if __name__=='__main__':unittest.main()