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test_mapfile_parser.py
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from unittest.mock import patch, MagicMock, Mock
from mapfile_parser import MapfileParser
@patch("mapfile_parser.MapfileParser.generator_remove_reused_placements")
def test_generator_sections(mock_classmethod):
"""Übliche Daten die der Methode generator_sections übergeben werden."""
# Die Klassenmethode generator_sections ruft weiter Klassenmethoden auf: generator_remove_reused_placements, generator_placements, generator_subsections.
# Da alle hintereinander aufgerufen werden wird hier nur generator_remove_unused_placement gepatcht.
mock_result_cls = Mock()
mock_classmethod.return_value = [mock_result_cls]
test_string = [
""".mmu_table 0x2fff8000 0x8000
*(.mmu_table)
.mmu_table 0x2fff8000 0x4000 CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj
0x2fff8000 drivers::a7::Mmu::translationTable
*(.page_tables)
.page_tables 0x2fffc000 0x4000 CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj
0x2fffc000 drivers::a7::Mmu::pageTables"""
]
generator = MapfileParser.generator_sections(test_string)
result_generator = list(generator)
assert len(result_generator) == 1
result = result_generator[0]
assert result[0] == ".mmu_table" # name
assert result[1] == 805273600 # address: 0x2fff8000
assert result[2] == 32768 # size: 0x8000
assert len(result[3]) == 1
ret_placements = result[3]
assert ret_placements[0] == mock_result_cls
def test_generator_subsections_normal():
"""Übliche Daten die der Methode generator_subsections übergeben werden"""
test_string = """ *(.mmu_table)
.mmu_table 0x2fff8000 0x4000 CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj
0x2fff8000 drivers::a7::Mmu::translationTable
*(.page_tables)
.page_tables 0x2fffc000 0x4000 CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj
0x2fffc000 drivers::a7::Mmu::pageTables"""
generator = MapfileParser.generator_subsections(test_string)
result_generator = list(generator)
# Die Split Methode führt auch einen Split beim ersten validen Element durch, daher haben wir 5 anstatt 4 Element wobei der erste
# leer ist.
assert len(result_generator) == 5
assert result_generator[0] == ""
assert result_generator[1] == " *(.mmu_table)"
assert (
result_generator[2]
== """ .mmu_table 0x2fff8000 0x4000 CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj
0x2fff8000 drivers::a7::Mmu::translationTable"""
)
assert result_generator[3] == " *(.page_tables)"
assert (
result_generator[4]
== """ .page_tables 0x2fffc000 0x4000 CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj
0x2fffc000 drivers::a7::Mmu::pageTables"""
)
def test_generator_placements_normal():
"""Übliche Daten die der Methode generator_placements übergeben werden"""
test_data = [
"",
" *(.mmu_table)",
""" .mmu_table 0x2fff8000 0x4000 CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj
0x2fff8000 drivers::a7::Mmu::translationTable""",
" *(.page_tables)",
""" .page_tables 0x2fffc000 0x4000 CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj
0x2fffc000 drivers::a7::Mmu::pageTables""",
]
generator = MapfileParser.generator_placements(test_data)
result_generator = list(generator)
assert len(result_generator) == 2
res_mmu_table = result_generator[0]
assert res_mmu_table[0] == ".mmu_table"
assert res_mmu_table[1] == 805273600 # address: 0x2fff8000
assert res_mmu_table[2] == 16384 # size: 0x4000
res_page_tables = result_generator[1]
assert res_page_tables[0] == ".page_tables"
assert res_page_tables[1] == 805289984 # address: 0x2fffc000
assert res_page_tables[2] == 16384 # size: 0x4000
def test_generator_placements_normal():
"""Übliche Daten die der Methode generator_placements übergeben werden"""
test_data = [
"",
" *(.mmu_table)",
""" .mmu_table 0x2fff8000 0x4000 CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj
0x2fff8000 drivers::a7::Mmu::translationTable""",
" *(.page_tables)",
""" .page_tables 0x2fffc000 0x4000 CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj
0x2fffc000 drivers::a7::Mmu::pageTables""",
]
generator = MapfileParser.generator_placements(test_data)
result_generator = list(generator)
assert len(result_generator) == 2
res_mmu_table = result_generator[0]
assert res_mmu_table[0] == ".mmu_table"
assert res_mmu_table[1] == 805273600 # address: 0x2fff8000
assert res_mmu_table[2] == 16384 # size: 0x4000
res_page_tables = result_generator[1]
assert res_page_tables[0] == ".page_tables"
assert res_page_tables[1] == 805289984 # address: 0x2fffc000
assert res_page_tables[2] == 16384 # size: 0x4000
assert res_page_tables[3] == "CMakeFiles/EDESapp.dir/drivers/a7/mmu.cpp.obj"
assert res_page_tables[4] == "0x2fffc000"
def test_generator_subsections_fill():
"""Eine fill Sektion muss speziell behandelt werden. Dieser Test überprüft dies."""
test_string = """ *fill* 0xc056f2c1 0x3 """
generator = MapfileParser.generator_subsections(test_string)
result_generator = list(generator)
# Die Split Methode führt auch einen Split beim ersten validen Element durch, daher haben wir 5 anstatt 4 Element wobei der erste
# leer ist.
assert len(result_generator) == 2
assert result_generator[0] == ""
assert result_generator[1] == " *fill* 0xc056f2c1 0x3 "
def test_generator_placements_fill():
"""Eine fill Sektion muss speziell behandelt werden. Dieser Test überprüft dies."""
test_data = [" *fill* 0xc056f2c1 0x3 "]
generator = MapfileParser.generator_placements(test_data)
result_generator = list(generator)
assert len(result_generator) == 1
res_fill = result_generator[0]
assert res_fill[0] == "*fill*"
assert res_fill[1] == 3226923713 # address: 0xc056f2c1
assert res_fill[2] == 3 # size: 0x3
assert res_fill[3] == ""
def test_generator_placements_byte():
test_data = [" 0xc0000344 0x1 BYTE 0xaa"]
generator = MapfileParser.generator_placements(test_data)
result_generator = list(generator)
assert len(result_generator) == 1
res_fill = result_generator[0]
assert res_fill[0] == "*empty*"
assert res_fill[1] == 3221226308 # address: 0xc0000344
assert res_fill[2] == 1 # size: 0x1
assert res_fill[3] == "BYTE 0xaa"
def test_generator_placements_fill_mask():
test_data = [""" FILL mask 0x00
0xc05e3a00 __tdata_start__ = ."""]
generator = MapfileParser.generator_placements(test_data)
result_generator = list(generator)
assert len(result_generator) == 0
def test_generator_remove_reused_placements_1times():
""" Der Linker verwendet manche Objekte doppelt. Entferne sie"""
test_data = [
["sect1", 0, 10],
["sect2", 10, 20],
["sect_", 10, 20],
["sect3", 30, 10],
]
res = list(MapfileParser.generator_remove_reused_placements(test_data))
assert len(res) == 3
assert res[0] == ["sect1", 0, 10]
assert res[1] == ["sect_", 10, 20]
assert res[2] == ["sect3", 30, 10]
def test_generator_remove_reused_placements_2times():
""" Der Linker verwendet manche Objekte doppelt. Entferne sie"""
test_data = [
["sect1", 0, 10],
["sect2", 10, 20],
["sect_", 10, 20],
["sect__", 10, 20],
["sect3", 30, 10],
]
res = list(MapfileParser.generator_remove_reused_placements(test_data))
assert len(res) == 3
assert res[0] == ["sect1", 0, 10]
assert res[1] == ["sect__", 10, 20]
assert res[2] == ["sect3", 30, 10]