275 lines
8.9 KiB
Python
275 lines
8.9 KiB
Python
"""Tests for the es.4 document validator"""
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from datetime import datetime, timedelta
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from typing import Any, Dict
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from nacl.signing import SigningKey
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import pytest
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from pytest_mock.plugin import MockerFixture
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from earthsnake.exc import ValidationError
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from earthsnake.document.es4 import Es4Document
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from earthsnake.identity import Identity
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from earthsnake.path import Path
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from earthsnake.share import Share
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VALID_DOCUMENT: Dict[str, Any] = {
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'format': 'es.4',
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'timestamp': 1651738871668993,
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'deleteAfter': None,
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'author': '@test.bcz76z52y5dlpohtkmpuj3jsdcvfmebzpcgfmtmhu4u7hlexzreya',
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'path': '/test.txt',
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'workspace': '+test.suffix',
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'signature': (
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'bughac3ooy5qfect4bxdke2zkun2wqufhpivt57vj2mzq52mhqzesjvhyywttxm7qqjyhoskmiqd2lw72qy2u766r'
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'fqvnbwab4qp3gbi'
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),
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'content': 'test',
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'contentHash': 'bt6dnbamijr6wlgrp5kqmkwwqcwr36ty3fmfyelgrlvwblmhqbiea',
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}
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@pytest.mark.parametrize(
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'missing',
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Es4Document.CORE_SCHEMA['required'], # type: ignore
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)
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def test_validate_missing_keys(missing: str) -> None:
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"""Test if validation fails when a required key is missing"""
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raw_document = VALID_DOCUMENT.copy()
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del raw_document[missing]
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with pytest.raises(ValidationError) as ctx:
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Es4Document.from_json(raw_document)
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required_field_names = ', '.join(
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repr(x) for x in Es4Document.CORE_SCHEMA['required'] # type: ignore
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)
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assert str(ctx.value) == f"data must contain [{required_field_names}] properties"
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def test_validate_future_document() -> None:
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"""Test if validation fails when the document is created far in the future"""
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raw_document = VALID_DOCUMENT.copy()
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raw_document['timestamp'] = int(
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(datetime.utcnow() + timedelta(minutes=20)).timestamp() * 1000000
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)
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with pytest.raises(ValidationError) as ctx:
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Es4Document.from_json(raw_document)
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assert str(ctx.value) == 'timestamp too far in the future'
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def test_validate_expiry_before_creation() -> None:
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"""Test if validation fails when the document is set to expire before it has been created"""
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raw_document = VALID_DOCUMENT.copy()
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raw_document['timestamp'] = int(
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(datetime.utcnow() + timedelta(minutes=5)).timestamp() * 1000000
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)
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raw_document['deleteAfter'] = raw_document['timestamp'] - 1
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with pytest.raises(ValidationError) as ctx:
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Es4Document.from_json(raw_document)
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assert str(ctx.value) == 'ephemeral doc expired before it was created'
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def test_validate_deleteafter_in_past() -> None:
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"""Test if validation fails if deleteAfter is in the pas"""
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raw_document = VALID_DOCUMENT.copy()
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yesterday = datetime.utcnow() - timedelta(days=1)
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raw_document['deleteAfter'] = int(yesterday.timestamp() * 1000000)
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with pytest.raises(ValidationError) as ctx:
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Es4Document.from_json(raw_document)
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assert str(ctx.value) == 'ephemeral doc has expired'
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def test_validate_not_writable() -> None:
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"""Test if validation fails when the author is not allowed to write at the given path"""
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raw_document = VALID_DOCUMENT.copy()
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raw_document['path'] = '/test/~@some.' + ('a' * 52)
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with pytest.raises(ValidationError) as ctx:
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Es4Document.from_json(raw_document)
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assert (
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str(ctx.value)
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== f'Author {raw_document["author"]} cannot write to path {raw_document["path"]}'
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)
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def test_validate() -> None:
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"""Test if validation succeeds on a valid document"""
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document = Es4Document.from_json(VALID_DOCUMENT)
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assert isinstance(document, Es4Document)
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def test_validate_ephemeral() -> None:
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"""Test if validation succeeds with a valid deleteAfter value"""
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raw_document = VALID_DOCUMENT.copy()
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raw_document['deleteAfter'] = 9007199254740990
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raw_document['signature'] = (
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'bw7zyncx7u2wrk2jz4ucfjbbc6b5t5rm7ma42vkaaius2yczvqdbvfyfbc6mh345flsaeqizw44gncot5huaskdmk'
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'npkty7mgtzbssdy'
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)
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document = Es4Document.from_json(raw_document)
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assert isinstance(document, Es4Document)
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def test_signature_check_error(mocker: MockerFixture) -> None:
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"""Test if validation fails if something goes wrong during signature checking"""
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mocker.patch(
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'earthsnake.document.es4.Es4Document.generate_hash',
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side_effect=ValueError('test error'),
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)
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with pytest.raises(ValidationError) as ctx:
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Es4Document.from_json(VALID_DOCUMENT)
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assert str(ctx.value) == 'Cannot check signature: test error'
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def test_signature_check_bad_signature() -> None:
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"""Test if validation fails if the document’s signature doesn’t match the document itself"""
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raw_document = VALID_DOCUMENT.copy()
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raw_document['signature'] = 'b' * 104
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with pytest.raises(ValidationError) as ctx:
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Es4Document.from_json(raw_document)
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assert str(ctx.value) == 'signature is invalid'
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def test_remove_extra_fields_no_underscore() -> None:
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"""Test if remove_extra_fields() fails on non-specced fields not starting with an underscore"""
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raw_document = VALID_DOCUMENT.copy()
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raw_document.update({'test': 'yes'})
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with pytest.raises(ValidationError) as ctx:
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Es4Document.remove_extra_fields(raw_document)
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assert str(ctx.value) == 'extra document fields must have names starting with an underscore'
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def test_remove_extra_fields_non_object() -> None:
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"""Test if remove_extra_fields() fails if the validated document is not a JSON object"""
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with pytest.raises(ValidationError) as ctx:
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Es4Document.remove_extra_fields([]) # type: ignore
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assert str(ctx.value) == 'Document is not a plain JSON object'
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def test_remove_extra_fields() -> None:
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"""Test if remove_extra_fields() correctly extracts field names starting with an underscore"""
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raw_document = VALID_DOCUMENT.copy()
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raw_document.update({'_test': True})
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cleaned_doc, removed = Es4Document.remove_extra_fields(raw_document)
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assert cleaned_doc == VALID_DOCUMENT
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assert removed == {'_test': True}
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def test_check_content_hash() -> None:
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"""Test if validation fails if contentHash is not the hash of content"""
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raw_document = VALID_DOCUMENT.copy()
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raw_document['content'] = 'other'
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with pytest.raises(ValidationError) as ctx:
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Es4Document.from_json(raw_document)
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assert str(ctx.value) == 'content does not match contentHash'
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def test_sign_different_author(identity: Identity) -> None:
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"""Test if sign() fails if the signing identity is not the same as the document author"""
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document = Es4Document.from_json(VALID_DOCUMENT)
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with pytest.raises(ValidationError) as ctx:
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document.sign(identity=identity)
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assert str(ctx.value) == 'when signing a document, keypair address must match document author'
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def test_sign_new_identity() -> None:
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"""Test if signing a document with a different entity also sets the author"""
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other_key_seed = (
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b'`_\x8dm\x18\xeem\xe3\\\xeb_\x1aw)\xcd\xb7\xd8\xd9\xdd\xad\x86\x9a#wQ"F\x95\xa1\x178r'
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)
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identity = Identity('name', sign_key=SigningKey(other_key_seed))
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assert str(identity) == '@name.bu5seaewd4p7cx7ot4ue3m6wpigfa5hmowxgeophe2so72roao5wq'
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document = Es4Document.from_json(VALID_DOCUMENT)
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document.author = identity
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document.sign()
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assert (
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document.signature
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== 'bk76oxkhbydy3itajeeqtryyj7ej5y7hqjffae6ilf4kpyklh2w32hx3ndg6cb3zvlphj46zmuxbetk4cj2fh6'
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'5bhxdtzflvf7oamcbi'
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)
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assert document.author == identity
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@pytest.mark.id_name('test')
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def test_sign(identity: Identity) -> None:
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"""Test if the sign() method updates the document with a correct signature"""
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document = Es4Document.from_json(VALID_DOCUMENT)
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document.sign(identity=identity)
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assert document.signature == (
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'bughac3ooy5qfect4bxdke2zkun2wqufhpivt57vj2mzq52mhqzesjvhyywttxm7qqjyhoskmiqd2lw72qy2u766r'
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'fqvnbwab4qp3gbi'
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)
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def test_content_setter() -> None:
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"""Check if the content setter recalculates content_hash, too"""
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document = Es4Document.from_json(VALID_DOCUMENT)
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document.content = 'new content'
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assert document.content_hash != VALID_DOCUMENT['contentHash']
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assert document.content_hash == 'b7yzgbde66w3m67r7srsiajj765xsj5hmaz4phuhqp6mejs77syaq'
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def test_content_hash_getter() -> None:
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"""Test if the content_hash getter recalculates the content hash if it’s not already set"""
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document = Es4Document.from_json(VALID_DOCUMENT)
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document._content = 'new content' # pylint: disable=protected-access
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document._content_hash = None # pylint: disable=protected-access
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assert document.content_hash == 'b7yzgbde66w3m67r7srsiajj765xsj5hmaz4phuhqp6mejs77syaq'
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def test_validate_unsigned_document(identity: Identity) -> None:
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"""Test if signature validation fails if there is no signature yet"""
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document = Es4Document(identity, Share.from_address('+test.share'), Path('/test'))
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with pytest.raises(ValidationError) as ctx:
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document.validate_signature()
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assert str(ctx.value) == 'document has no signature assigned'
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