Luís Murta
3b2e63d755
Move the tag rules based transformer to its own class. Verified with unit tests.
111 lines
3.3 KiB
Python
111 lines
3.3 KiB
Python
from datetime import date
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from decimal import Decimal
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import mocks.categories as mock
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from pfbudget.db.model import (
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Bank,
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BankTransaction,
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CategoryRule,
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CategorySelector,
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Selector_T,
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TransactionCategory,
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TransactionTag,
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)
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from pfbudget.transform.categorizer import Categorizer
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from pfbudget.transform.nullifier import Nullifier
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from pfbudget.transform.tagger import Tagger
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from pfbudget.transform.transform import Transformer
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class TestTransform:
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def test_nullifier(self):
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transactions = [
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BankTransaction(date(2023, 1, 1), "", Decimal("-500"), "Bank#1"),
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BankTransaction(date(2023, 1, 2), "", Decimal("500"), "Bank#2"),
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]
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for t in transactions:
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assert not t.category
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categorizer: Transformer = Nullifier()
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transactions = categorizer.transform(transactions)
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for t in transactions:
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assert t.category == TransactionCategory(
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"null", CategorySelector(Selector_T.nullifier)
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)
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def test_nullifier_inplace(self):
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transactions = [
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BankTransaction(date(2023, 1, 1), "", Decimal("-500"), "Bank#1"),
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BankTransaction(date(2023, 1, 2), "", Decimal("500"), "Bank#2"),
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]
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for t in transactions:
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assert not t.category
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categorizer: Transformer = Nullifier()
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categorizer.transform_inplace(transactions)
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for t in transactions:
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assert t.category == TransactionCategory(
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"null", CategorySelector(Selector_T.nullifier)
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)
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def test_nullifier_with_rules(self):
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transactions = [
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BankTransaction(date(2023, 1, 1), "", Decimal("-500"), "Bank#1"),
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BankTransaction(date(2023, 1, 2), "", Decimal("500"), "Bank#2"),
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]
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for t in transactions:
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assert not t.category
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rules = [CategoryRule(None, None, None, None, "Bank#1", None, None, "null")]
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categorizer: Transformer = Nullifier(rules)
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transactions = categorizer.transform(transactions)
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for t in transactions:
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assert not t.category
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rules.append(CategoryRule(None, None, None, None, "Bank#2", None, None, "null"))
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categorizer: Transformer = Nullifier(rules)
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transactions = categorizer.transform(transactions)
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for t in transactions:
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assert t.category == TransactionCategory(
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"null", CategorySelector(Selector_T.nullifier)
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)
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def test_tagger(self):
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transactions = [
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BankTransaction(date(2023, 1, 1), "desc#1", Decimal("-10"), "Bank#1")
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]
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for t in transactions:
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assert not t.category
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categorizer = Tagger(mock.tag_1.rules)
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transactions = categorizer.transform(transactions)
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for t in transactions:
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assert TransactionTag("tag#1") in t.tags
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def test_categorize(self):
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transactions = [
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BankTransaction(date(2023, 1, 1), "desc#1", Decimal("-10"), "Bank#1")
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]
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for t in transactions:
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assert not t.category
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categorizer = Categorizer()
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categorizer.rules(transactions, [mock.category1], [])
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for t in transactions:
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assert t.category == TransactionCategory(
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"cat#1", CategorySelector(Selector_T.rules)
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)
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