def test_binding_at_template_assignment():
template0 = XMLTemplateParser("""
<template name="template0" size="4">
</template>
""").parse()
template1 = XMLTemplateParser("""
<template name="template0">
<layout name="layout0">
<area name="area0">
<field name="field1_size" size="4"></field>
<field name="field1" size="{field1_size, byteorder=little}"></field>
<field name="field2" size="{field1_size, byteorder=big}"></field>
</area>
</layout>
</template>""").parse()
template_provider0 = TemplateProvider(template0)
template_provider1 = TemplateProvider(template1)
data_provider = DataProvider(io.BytesIO(bytes(4 * [0x0])))
binalyzer = Binalyzer(template_provider0, data_provider)
binalyzer.template = template_provider1.template
binalyzer.data = io.BytesIO(bytes([0x04, 0x00, 0x00, 0x00]))
field1_size = find_by_attr(template1, "field1_size")
field1 = find_by_attr(template1, "field1")
field2 = find_by_attr(template1, "field2")
assert field1_size.size == 4
assert field1_size.value == bytes([0x04, 0x00, 0x00, 0x00])
assert field1.size == 0x4
assert field2.size == 0x4000000
def test_binalyzer_set_template():
template_mock1 = Template(name="a")
template_mock2 = Template(name="b")
template_provider = TemplateProvider(template_mock1)
binalyzer = Binalyzer()
binalyzer.template_provider = template_provider
binalyzer.template = template_mock2
assert binalyzer.template.name == template_mock2.name
assert binalyzer.template.name != template_mock1.name
def test_count_array_access():
a = Template(name="a")
b = Template(name="b", parent=a)
b.count = 3
binalyzer = Binalyzer()
binalyzer.template = a
assert len(binalyzer.template.b) == 3
assert binalyzer.template.b[0].name == "b-0"
assert binalyzer.template.b[1].name == "b-1"
assert binalyzer.template.b[2].name == "b-2"