def test_patch_linuxdeploy_elf_header_already_patched(mock_command, tmp_path):
"""If linuxdeploy is already patched, don't patch it."""
appimage_path = tmp_path / "tools" / "linuxdeploy-wonky.AppImage"
# Mock a patched linuxdeploy AppImage
pre_patch_header = create_mock_appimage(appimage_path=appimage_path,
mock_appimage_kind="patched")
# Create a linuxdeploy wrapper, then patch the elf header
linuxdeploy = LinuxDeploy(mock_command)
linuxdeploy.patch_elf_header()
# Ensure the patch was applied.
with open(appimage_path, "rb") as mock_appimage:
mock_appimage.seek(ELF_PATCH_OFFSET)
patched_header = mock_appimage.read(len(ELF_PATCH_PATCHED_BYTES))
assert pre_patch_header == ELF_PATCH_PATCHED_BYTES
assert patched_header == ELF_PATCH_PATCHED_BYTES
def test_patch_linuxdeploy_elf_header_bad_appimage(mock_command, tmp_path):
"""If linuxdeploy does not have a valid header, raise an error."""
appimage_path = tmp_path / "tools" / "linuxdeploy-wonky.AppImage"
# Mock an bad linuxdeploy AppImage
create_mock_appimage(appimage_path=appimage_path,
mock_appimage_kind="corrupt")
# Create a linuxdeploy wrapper, then patch the elf header
linuxdeploy = LinuxDeploy(mock_command)
with pytest.raises(CorruptToolError):
linuxdeploy = linuxdeploy.patch_elf_header()
def test_patch_linuxdeploy_elf_header_no_file(mock_command, tmp_path):
"""If there is no linuxdeploy AppImage, raise an error."""
# Create a linuxdeploy wrapper, then patch the elf header
linuxdeploy = LinuxDeploy(mock_command)
with pytest.raises(MissingToolError):
linuxdeploy = linuxdeploy.patch_elf_header()
