diff options
| -rwxr-xr-x | test/image/test-fit.py | 229 |
1 files changed, 88 insertions, 141 deletions
diff --git a/test/image/test-fit.py b/test/image/test-fit.py index c83719b..7e6b96d 100755 --- a/test/image/test-fit.py +++ b/test/image/test-fit.py @@ -1,37 +1,13 @@ -#!/usr/bin/python -# # Copyright (c) 2013, Google Inc. # -# Sanity check of the FIT handling in U-Boot -# # SPDX-License-Identifier: GPL-2.0+ # -# To run this: -# -# make O=sandbox sandbox_config -# make O=sandbox -# ./test/image/test-fit.py -u sandbox/u-boot -# -# Note: The above testing requires the Python development package, typically -# called python-devel or something similar. +# Sanity check of the FIT handling in U-Boot -import doctest -from optparse import OptionParser import os -import shutil +import pytest import struct -import sys -import tempfile - -# Enable printing of all U-Boot output -DEBUG = True - -# The 'command' library in patman is convenient for running commands -base_path = os.path.dirname(sys.argv[0]) -patman = os.path.join(base_path, '../../tools/patman') -sys.path.append(patman) - -import command +import u_boot_utils as util # Define a base ITS which we can adjust using % and a dictionary base_its = ''' @@ -131,13 +107,11 @@ sb save hostfs 0 %(fdt_addr)x %(fdt_out)s %(fdt_size)x sb save hostfs 0 %(ramdisk_addr)x %(ramdisk_out)s %(ramdisk_size)x sb save hostfs 0 %(loadables1_addr)x %(loadables1_out)s %(loadables1_size)x sb save hostfs 0 %(loadables2_addr)x %(loadables2_out)s %(loadables2_size)x -reset ''' - def debug_stdout(stdout): - if DEBUG: - print stdout - +@pytest.mark.boardspec('sandbox') +@pytest.mark.buildconfigspec('fit_signature') +def test_fit(u_boot_console): def make_fname(leaf): """Make a temporary filename @@ -146,9 +120,8 @@ reset Return: Temporary filename """ - global base_dir - return os.path.join(base_dir, leaf) + return os.path.join(cons.config.build_dir, leaf) def filesize(fname): """Get the size of a file @@ -180,8 +153,8 @@ reset src = make_fname('u-boot.dts') dtb = make_fname('u-boot.dtb') with open(src, 'w') as fd: - print >>fd, base_fdt - command.Output('dtc', src, '-O', 'dtb', '-o', dtb) + print >> fd, base_fdt + util.run_and_log(cons, ['dtc', src, '-O', 'dtb', '-o', dtb]) return dtb def make_its(params): @@ -194,7 +167,7 @@ reset """ its = make_fname('test.its') with open(its, 'w') as fd: - print >>fd, base_its % params + print >> fd, base_its % params return its def make_fit(mkimage, params): @@ -211,9 +184,9 @@ reset """ fit = make_fname('test.fit') its = make_its(params) - command.Output(mkimage, '-f', its, fit) + util.run_and_log(cons, [mkimage, '-f', its, fit]) with open(make_fname('u-boot.dts'), 'w') as fd: - print >>fd, base_fdt + print >> fd, base_fdt return fit def make_kernel(filename, text): @@ -229,7 +202,7 @@ reset for i in range(100): data += 'this %s %d is unlikely to boot\n' % (text, i) with open(fname, 'w') as fd: - print >>fd, data + print >> fd, data return fname def make_ramdisk(filename, text): @@ -243,7 +216,7 @@ reset for i in range(100): data += '%s %d was seldom used in the middle ages\n' % (text, i) with open(fname, 'w') as fd: - print >>fd, data + print >> fd, data return fname def find_matching(text, match): @@ -260,52 +233,58 @@ reset to use regex and return groups. Args: - text: Text to check (each line separated by \n) + text: Text to check (list of strings, one for each command issued) match: String to search for Return: String containing unmatched portion of line Exceptions: ValueError: If match is not found - >>> find_matching('first line:10\\nsecond_line:20', 'first line:') + >>> find_matching(['first line:10', 'second_line:20'], 'first line:') '10' - >>> find_matching('first line:10\\nsecond_line:20', 'second line') + >>> find_matching(['first line:10', 'second_line:20'], 'second line') Traceback (most recent call last): ... ValueError: Test aborted - >>> find_matching('first line:10\\nsecond_line:20', 'second_line:') + >>> find_matching('first line:10\', 'second_line:20'], 'second_line:') '20' + >>> find_matching('first line:10\', 'second_line:20\nthird_line:30'], + 'third_line:') + '30' """ - for line in text.splitlines(): + __tracebackhide__ = True + for line in '\n'.join(text).splitlines(): pos = line.find(match) if pos != -1: return line[:pos] + line[pos + len(match):] - print "Expected '%s' but not found in output:" - print text - raise ValueError('Test aborted') + pytest.fail("Expected '%s' but not found in output") - def set_test(name): - """Set the name of the current test and print a message + def check_equal(expected_fname, actual_fname, failure_msg): + """Check that a file matches its expected contents Args: - name: Name of test + expected_fname: Filename containing expected contents + actual_fname: Filename containing actual contents + failure_msg: Message to print on failure """ - global test_name - - test_name = name - print name + expected_data = read_file(expected_fname) + actual_data = read_file(actual_fname) + assert expected_data == actual_data, failure_msg - def fail(msg, stdout): - """Raise an error with a helpful failure message + def check_not_equal(expected_fname, actual_fname, failure_msg): + """Check that a file does not match its expected contents Args: - msg: Message to display + expected_fname: Filename containing expected contents + actual_fname: Filename containing actual contents + failure_msg: Message to print on failure """ - print stdout - raise ValueError("Test '%s' failed: %s" % (test_name, msg)) + expected_data = read_file(expected_fname) + actual_data = read_file(actual_fname) + assert expected_data != actual_data, failure_msg - def run_fit_test(mkimage, u_boot): + def run_fit_test(mkimage): """Basic sanity check of FIT loading in U-Boot TODO: Almost everything: @@ -324,8 +303,6 @@ reset - bootm command line parameters should have desired effect - run code coverage to make sure we are testing all the code """ - global test_name - # Set up invariant files control_dtb = make_dtb() kernel = make_kernel('test-kernel.bin', 'kernel') @@ -381,101 +358,71 @@ reset # First check that we can load a kernel # We could perhaps reduce duplication with some loss of readability - set_test('Kernel load') - stdout = command.Output(u_boot, '-d', control_dtb, '-c', cmd) - debug_stdout(stdout) - if read_file(kernel) != read_file(kernel_out): - fail('Kernel not loaded', stdout) - if read_file(control_dtb) == read_file(fdt_out): - fail('FDT loaded but should be ignored', stdout) - if read_file(ramdisk) == read_file(ramdisk_out): - fail('Ramdisk loaded but should not be', stdout) + cons.config.dtb = control_dtb + cons.restart_uboot() + with cons.log.section('Kernel load'): + output = cons.run_command_list(cmd.splitlines()) + check_equal(kernel, kernel_out, 'Kernel not loaded') + check_not_equal(control_dtb, fdt_out, + 'FDT loaded but should be ignored') + check_not_equal(ramdisk, ramdisk_out, + 'Ramdisk loaded but should not be') # Find out the offset in the FIT where U-Boot has found the FDT - line = find_matching(stdout, 'Booting using the fdt blob at ') + line = find_matching(output, 'Booting using the fdt blob at ') fit_offset = int(line, 16) - params['fit_addr'] fdt_magic = struct.pack('>L', 0xd00dfeed) data = read_file(fit) # Now find where it actually is in the FIT (skip the first word) real_fit_offset = data.find(fdt_magic, 4) - if fit_offset != real_fit_offset: - fail('U-Boot loaded FDT from offset %#x, FDT is actually at %#x' % - (fit_offset, real_fit_offset), stdout) + assert fit_offset == real_fit_offset, ( + 'U-Boot loaded FDT from offset %#x, FDT is actually at %#x' % + (fit_offset, real_fit_offset)) # Now a kernel and an FDT - set_test('Kernel + FDT load') + with cons.log.section('Kernel + FDT load'): params['fdt_load'] = 'load = <%#x>;' % params['fdt_addr'] fit = make_fit(mkimage, params) - stdout = command.Output(u_boot, '-d', control_dtb, '-c', cmd) - debug_stdout(stdout) - if read_file(kernel) != read_file(kernel_out): - fail('Kernel not loaded', stdout) - if read_file(control_dtb) != read_file(fdt_out): - fail('FDT not loaded', stdout) - if read_file(ramdisk) == read_file(ramdisk_out): - fail('Ramdisk loaded but should not be', stdout) + cons.restart_uboot() + output = cons.run_command_list(cmd.splitlines()) + check_equal(kernel, kernel_out, 'Kernel not loaded') + check_equal(control_dtb, fdt_out, 'FDT not loaded') + check_not_equal(ramdisk, ramdisk_out, + 'Ramdisk loaded but should not be') # Try a ramdisk - set_test('Kernel + FDT + Ramdisk load') + with cons.log.section('Kernel + FDT + Ramdisk load'): params['ramdisk_config'] = 'ramdisk = "ramdisk@1";' params['ramdisk_load'] = 'load = <%#x>;' % params['ramdisk_addr'] fit = make_fit(mkimage, params) - stdout = command.Output(u_boot, '-d', control_dtb, '-c', cmd) - debug_stdout(stdout) - if read_file(ramdisk) != read_file(ramdisk_out): - fail('Ramdisk not loaded', stdout) + cons.restart_uboot() + output = cons.run_command_list(cmd.splitlines()) + check_equal(ramdisk, ramdisk_out, 'Ramdisk not loaded') # Configuration with some Loadables - set_test('Kernel + FDT + Ramdisk load + Loadables') + with cons.log.section('Kernel + FDT + Ramdisk load + Loadables'): params['loadables_config'] = 'loadables = "kernel@2", "ramdisk@2";' - params['loadables1_load'] = 'load = <%#x>;' % params['loadables1_addr'] - params['loadables2_load'] = 'load = <%#x>;' % params['loadables2_addr'] + params['loadables1_load'] = ('load = <%#x>;' % + params['loadables1_addr']) + params['loadables2_load'] = ('load = <%#x>;' % + params['loadables2_addr']) fit = make_fit(mkimage, params) - stdout = command.Output(u_boot, '-d', control_dtb, '-c', cmd) - debug_stdout(stdout) - if read_file(loadables1) != read_file(loadables1_out): - fail('Loadables1 (kernel) not loaded', stdout) - if read_file(loadables2) != read_file(loadables2_out): - fail('Loadables2 (ramdisk) not loaded', stdout) - -def run_tests(): - """Parse options, run the FIT tests and print the result""" - global base_path, base_dir - - # Work in a temporary directory - base_dir = tempfile.mkdtemp() - parser = OptionParser() - parser.add_option('-u', '--u-boot', - default=os.path.join(base_path, 'u-boot'), - help='Select U-Boot sandbox binary') - parser.add_option('-k', '--keep', action='store_true', - help="Don't delete temporary directory even when tests pass") - parser.add_option('-t', '--selftest', action='store_true', - help='Run internal self tests') - (options, args) = parser.parse_args() - - # Find the path to U-Boot, and assume mkimage is in its tools/mkimage dir - base_path = os.path.dirname(options.u_boot) - mkimage = os.path.join(base_path, 'tools/mkimage') - - # There are a few doctests - handle these here - if options.selftest: - doctest.testmod() - return - - title = 'FIT Tests' - print title, '\n', '=' * len(title) - - run_fit_test(mkimage, options.u_boot) - - print '\nTests passed' - print 'Caveat: this is only a sanity check - test coverage is poor' - - # Remove the temporary directory unless we are asked to keep it - if options.keep: - print "Output files are in '%s'" % base_dir - else: - shutil.rmtree(base_dir) - -run_tests() + cons.restart_uboot() + output = cons.run_command_list(cmd.splitlines()) + check_equal(loadables1, loadables1_out, + 'Loadables1 (kernel) not loaded') + check_equal(loadables2, loadables2_out, + 'Loadables2 (ramdisk) not loaded') + + cons = u_boot_console + try: + # We need to use our own device tree file. Remember to restore it + # afterwards. + old_dtb = cons.config.dtb + mkimage = cons.config.build_dir + '/tools/mkimage' + run_fit_test(mkimage) + finally: + # Go back to the original U-Boot with the correct dtb. + cons.config.dtb = old_dtb + cons.restart_uboot() |