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filesystem: add unit tests for encoder/decoder methods

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Lets add test vectors for the per-record/per-file encode/decode of
our various classes for the Elementary Files.

We keep the test vectors as class variables of the respective EF-classes
to ensure implementation and test vectors are next to each other.

The test classes then iterate over all EF subclasses and execute the
decode/encode functions using the test vectors from the class variables.

Change-Id: I02d884547f4982e0b8ed7ef21b8cda75237942e2
Related: OS#4963
This commit is contained in:
Harald Welte
2023-01-27 19:26:12 +01:00
parent d2edd414a8
commit 865eea68c3
7 changed files with 523 additions and 13 deletions
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68
pySim/gsm_r.py
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@@ -58,7 +58,11 @@ class FuncNTypeAdapter(Adapter):
class EF_FN(LinFixedEF):
"""Section 7.2"""
_test_decode = [
( "40315801000010ff01",
{ "functional_number_and_type": { "functional_number": "04138510000001f",
"presentation_of_only_this_fn": True, "permanent_fn": True }, "list_number": 1 } ),
]
def __init__(self):
super().__init__(fid='6ff1', sfid=None, name='EF.FN',
desc='Functional numbers', rec_len=(9, 9))
@@ -147,7 +151,12 @@ NextTableType = Enum(Byte, decision=0xf0, predefined=0xf1,
class EF_CallconfC(TransparentEF):
"""Section 7.3"""
_test_de_encode = [
( "026121ffffffffffff1e000a040a010253600795792426f0",
{ "pl_conf": 3, "conf_nr": "1612ffffffffffff", "max_rand": 30, "n_ack_max": 10,
"pl_ack": 1, "n_nested_max": 10, "train_emergency_gid": 1, "shunting_emergency_gid": 2,
"imei": "350670599742620f" } ),
]
def __init__(self):
super().__init__(fid='6ff2', sfid=None, name='EF.CallconfC', size=(24, 24),
desc='Call Configuration of emergency calls Configuration')
@@ -180,7 +189,9 @@ class EF_CallconfI(LinFixedEF):
class EF_Shunting(TransparentEF):
"""Section 7.6"""
_test_de_encode = [
( "03f8ffffff000000", { "common_gid": 3, "shunting_gid": "f8ffffff000000" } ),
]
def __init__(self):
super().__init__(fid='6ff4', sfid=None,
name='EF.Shunting', desc='Shunting', size=(8, 8))
@@ -190,7 +201,18 @@ class EF_Shunting(TransparentEF):
class EF_GsmrPLMN(LinFixedEF):
"""Section 7.7"""
_test_de_encode = [
( "22f860f86f8d6f8e01", { "plmn": "228f06", "class_of_network": {
"supported": { "vbs": True, "vgcs": True, "emlpp": True,
"fn": True, "eirene": True }, "preference": 0 },
"ic_incoming_ref_tbl": "6f8d", "outgoing_ref_tbl": "6f8e",
"ic_table_ref": "01" } ),
( "22f810416f8d6f8e02", { "plmn": "228f01", "class_of_network": {
"supported": { "vbs": False, "vgcs": False, "emlpp": False,
"fn": True, "eirene": False }, "preference": 1 },
"ic_incoming_ref_tbl": "6f8d", "outgoing_ref_tbl": "6f8e",
"ic_table_ref": "02" } ),
]
def __init__(self):
super().__init__(fid='6ff5', sfid=None, name='EF.GsmrPLMN',
desc='GSM-R network selection', rec_len=(9, 9))
@@ -204,7 +226,12 @@ class EF_GsmrPLMN(LinFixedEF):
class EF_IC(LinFixedEF):
"""Section 7.8"""
_test_de_encode = [
( "f06f8e40f10001", { "next_table_type": "decision", "id_of_next_table": "6f8e",
"ic_decision_value": "041f", "network_string_table_index": 1 } ),
( "ffffffffffffff", { "next_table_type": "empty", "id_of_next_table": "ffff",
"ic_decision_value": "ffff", "network_string_table_index": 65535 } ),
]
def __init__(self):
super().__init__(fid='6f8d', sfid=None, name='EF.IC',
desc='International Code', rec_len=(7, 7))
@@ -216,7 +243,12 @@ class EF_IC(LinFixedEF):
class EF_NW(LinFixedEF):
"""Section 7.9"""
_test_de_encode = [
( "47534d2d52204348", "GSM-R CH" ),
( "537769737347534d", "SwissGSM" ),
( "47534d2d52204442", "GSM-R DB" ),
( "47534d2d52524649", "GSM-RRFI" ),
]
def __init__(self):
super().__init__(fid='6f80', sfid=None, name='EF.NW',
desc='Network Name', rec_len=(8, 8))
@@ -225,8 +257,15 @@ class EF_NW(LinFixedEF):
class EF_Switching(LinFixedEF):
"""Section 8.4"""
def __init__(self, fid, name, desc):
_test_de_encode = [
( "f26f87f0ff00", { "next_table_type": "num_dial_digits", "id_of_next_table": "6f87",
"decision_value": "0fff", "string_table_index": 0 } ),
( "f06f8ff1ff01", { "next_table_type": "decision", "id_of_next_table": "6f8f",
"decision_value": "1fff", "string_table_index": 1 } ),
( "f16f89f5ff05", { "next_table_type": "predefined", "id_of_next_table": "6f89",
"decision_value": "5fff", "string_table_index": 5 } ),
]
def __init__(self, fid='1234', name='Switching', desc=None):
super().__init__(fid=fid, sfid=None,
name=name, desc=desc, rec_len=(6, 6))
self._construct = Struct('next_table_type'/NextTableType,
@@ -237,13 +276,17 @@ class EF_Switching(LinFixedEF):
class EF_Predefined(LinFixedEF):
"""Section 8.5"""
_test_de_encode = [
( "f26f85", 1, { "next_table_type": "num_dial_digits", "id_of_next_table": "6f85" } ),
( "f0ffc8", 2, { "predefined_value1": "0fff", "string_table_index1": 200 } ),
]
# header and other records have different structure. WTF !?!
construct_first = Struct('next_table_type'/NextTableType,
'id_of_next_table'/HexAdapter(Bytes(2)))
construct_others = Struct('predefined_value1'/BcdAdapter(Bytes(2)),
'string_table_index1'/Int8ub)
def __init__(self, fid, name, desc):
def __init__(self, fid='1234', name='Predefined', desc=None):
super().__init__(fid=fid, sfid=None,
name=name, desc=desc, rec_len=(3, 3))
@@ -263,8 +306,11 @@ class EF_Predefined(LinFixedEF):
class EF_DialledVals(TransparentEF):
"""Section 8.6"""
def __init__(self, fid, name, desc):
_test_de_encode = [
( "ffffff22", { "next_table_type": "empty", "id_of_next_table": "ffff", "dialed_digits": "22" } ),
( "f16f8885", { "next_table_type": "predefined", "id_of_next_table": "6f88", "dialed_digits": "58" }),
]
def __init__(self, fid='1234', name='DialledVals', desc=None):
super().__init__(fid=fid, sfid=None, name=name, desc=desc, size=(4, 4))
self._construct = Struct('next_table_type'/NextTableType,
'id_of_next_table'/HexAdapter(Bytes(2)),