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# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2016 Google, Inc
# Written by Simon Glass <sjg@chromium.org>
#
# Test for the Entry class
import collections
import importlib
import os
import sys
import unittest
from binman import entry
from binman.etype.blob import Entry_blob
from dtoc import fdt
from dtoc import fdt_util
from u_boot_pylib import tools
class TestEntry(unittest.TestCase):
def setUp(self):
tools.prepare_output_dir(None)
def tearDown(self):
tools.finalise_output_dir()
def GetNode(self):
binman_dir = os.path.dirname(os.path.realpath(sys.argv[0]))
fname = fdt_util.EnsureCompiled(
os.path.join(binman_dir,('test/005_simple.dts')))
dtb = fdt.FdtScan(fname)
return dtb.GetNode('/binman/u-boot')
def _ReloadEntry(self):
global entry
if entry:
importlib.reload(entry)
else:
from binman import entry
def testEntryContents(self):
"""Test the Entry bass class"""
from binman import entry
base_entry = entry.Entry(None, None, None)
self.assertEqual(True, base_entry.ObtainContents())
def testUnknownEntry(self):
"""Test that unknown entry types are detected"""
Node = collections.namedtuple('Node', ['name', 'path'])
node = Node('invalid-name', 'invalid-path')
with self.assertRaises(ValueError) as e:
entry.Entry.Create(None, node, node.name)
self.assertIn("Unknown entry type 'invalid-name' in node "
"'invalid-path'", str(e.exception))
def testUniqueName(self):
"""Test Entry.GetUniqueName"""
Node = collections.namedtuple('Node', ['name', 'parent'])
base_node = Node('root', None)
base_entry = entry.Entry(None, None, base_node)
self.assertEqual('root', base_entry.GetUniqueName())
sub_node = Node('subnode', base_node)
sub_entry = entry.Entry(None, None, sub_node)
self.assertEqual('root.subnode', sub_entry.GetUniqueName())
def testGetDefaultFilename(self):
"""Trivial test for this base class function"""
base_entry = entry.Entry(None, None, None)
self.assertIsNone(base_entry.GetDefaultFilename())
def testBlobFdt(self):
"""Test the GetFdtEtype() method of the blob-dtb entries"""
base = entry.Entry.Create(None, self.GetNode(), 'blob-dtb')
self.assertIsNone(base.GetFdtEtype())
dtb = entry.Entry.Create(None, self.GetNode(), 'u-boot-dtb')
self.assertEqual('u-boot-dtb', dtb.GetFdtEtype())
def testWriteChildData(self):
"""Test the WriteChildData() method of the base class"""
base = entry.Entry.Create(None, self.GetNode(), 'blob-dtb')
self.assertTrue(base.WriteChildData(base))
def testReadChildData(self):
"""Test the ReadChildData() method of the base class"""
base = entry.Entry.Create(None, self.GetNode(), 'blob-dtb')
self.assertIsNone(base.ReadChildData(base))
def testExpandedEntry(self):
"""Test use of an expanded entry when available"""
base = entry.Entry.Create(None, self.GetNode())
self.assertEqual('u-boot', base.etype)
expanded = entry.Entry.Create(None, self.GetNode(), expanded=True)
self.assertEqual('u-boot-expanded', expanded.etype)
with self.assertRaises(ValueError) as e:
entry.Entry.Create(None, self.GetNode(), 'missing', expanded=True)
self.assertIn("Unknown entry type 'missing' in node '/binman/u-boot'",
str(e.exception))
def testMissingEtype(self):
"""Test use of a blob etype when the requested one is not available"""
ent = entry.Entry.Create(None, self.GetNode(), 'missing',
missing_etype=True)
self.assertTrue(isinstance(ent, Entry_blob))
self.assertEqual('missing', ent.etype)
def testDecompressData(self):
"""Test the DecompressData() method of the base class"""
base = entry.Entry.Create(None, self.GetNode(), 'blob-dtb')
base.compress = 'lz4'
bintools = {}
base.comp_bintool = base.AddBintool(bintools, '_testing')
self.assertEqual(tools.get_bytes(0, 1024), base.CompressData(b'abc'))
self.assertEqual(tools.get_bytes(0, 1024), base.DecompressData(b'abc'))
def testLookupOffset(self):
"""Test the lookup_offset() method of the base class"""
def MyFindEntryByNode(node):
return self.found
base = entry.Entry.Create(None, self.GetNode(), 'blob-dtb')
base.FindEntryByNode = MyFindEntryByNode
base.section = base
self.found = None
base.offset_from_elf = [self.GetNode(), 'start', 0]
with self.assertRaises(ValueError) as e:
base.lookup_offset()
self.assertIn("Cannot find entry for node 'u-boot'", str(e.exception))
self.found = base
with self.assertRaises(ValueError) as e:
base.lookup_offset()
self.assertIn("Need elf-fname property 'u-boot'", str(e.exception))
if __name__ == "__main__":
unittest.main()
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