tests: Turn tested hooks into fixtures.

This is in preparation for passing configuration to hooks.
That'll be a big change already, so I wanted this to be a
boring diff first.

tests/test_meta_expense_allocation.py

@@ -37,47 +37,47 @@ INVALID_VALUES = {
 
 TEST_KEY = 'expense-allocation'
 
+@pytest.fixture(scope='module')
+def hook():
+    return meta_expense_allocation.MetaExpenseAllocation()
+
 @pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
-def test_valid_values_on_postings(src_value, set_value):
+def test_valid_values_on_postings(hook, src_value, set_value):
     txn = testutil.Transaction(postings=[
         ('Assets:Cash', -25),
         ('Expenses:General', 25, {TEST_KEY: src_value}),
     ])
-    checker = meta_expense_allocation.MetaExpenseAllocation()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, {TEST_KEY: set_value})
 
 @pytest.mark.parametrize('src_value', INVALID_VALUES)
-def test_invalid_values_on_postings(src_value):
+def test_invalid_values_on_postings(hook, src_value):
     txn = testutil.Transaction(postings=[
         ('Assets:Cash', -25),
         ('Expenses:General', 25, {TEST_KEY: src_value}),
     ])
-    checker = meta_expense_allocation.MetaExpenseAllocation()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert errors
     testutil.check_post_meta(txn, None, {TEST_KEY: src_value})
 
 @pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
-def test_valid_values_on_transactions(src_value, set_value):
+def test_valid_values_on_transactions(hook, src_value, set_value):
     txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
         ('Assets:Cash', -25),
         ('Expenses:General', 25),
     ])
-    checker = meta_expense_allocation.MetaExpenseAllocation()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, {TEST_KEY: set_value})
 
 @pytest.mark.parametrize('src_value', INVALID_VALUES)
-def test_invalid_values_on_transactions(src_value):
+def test_invalid_values_on_transactions(hook, src_value):
     txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
         ('Assets:Cash', -25),
         ('Expenses:General', 25),
     ])
-    checker = meta_expense_allocation.MetaExpenseAllocation()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert errors
     testutil.check_post_meta(txn, None, None)
 
@@ -88,14 +88,13 @@ def test_invalid_values_on_transactions(src_value):
     'Liabilities:CreditCard',
     'UnearnedIncome:Donations',
 ])
-def test_non_expense_accounts_skipped(account):
+def test_non_expense_accounts_skipped(hook, account):
     meta = {TEST_KEY: 'program'}
     txn = testutil.Transaction(postings=[
         (account, -25),
         ('Expenses:General', 25, meta.copy()),
     ])
-    checker = meta_expense_allocation.MetaExpenseAllocation()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, meta)
 
@@ -106,13 +105,12 @@ def test_non_expense_accounts_skipped(account):
     ('Expenses:Services:Development', 'program'),
     ('Expenses:Services:Fundraising', 'fundraising'),
 ])
-def test_default_values(account, set_value):
+def test_default_values(hook, account, set_value):
     txn = testutil.Transaction(postings=[
         ('Liabilites:CreditCard', -25),
         (account, 25),
     ])
-    checker = meta_expense_allocation.MetaExpenseAllocation()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, {TEST_KEY: set_value})
 
@@ -123,13 +121,12 @@ def test_default_values(account, set_value):
     (testutil.FY_MID_DATE, 'program'),
     (testutil.PAST_DATE, None),
 ])
-def test_default_value_set_in_date_range(date, set_value):
+def test_default_value_set_in_date_range(hook, date, set_value):
     txn = testutil.Transaction(date=date, postings=[
         ('Liabilites:CreditCard', -25),
         ('Expenses:General', 25),
     ])
-    checker = meta_expense_allocation.MetaExpenseAllocation()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     expect_meta = None if set_value is None else {TEST_KEY: set_value}
     testutil.check_post_meta(txn, None, expect_meta)

tests/test_meta_income_type.py

@@ -37,47 +37,47 @@ INVALID_VALUES = {
 
 TEST_KEY = 'income-type'
 
+@pytest.fixture(scope='module')
+def hook():
+    return meta_income_type.MetaIncomeType()
+
 @pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
-def test_valid_values_on_postings(src_value, set_value):
+def test_valid_values_on_postings(hook, src_value, set_value):
     txn = testutil.Transaction(postings=[
         ('Assets:Cash', 25),
         ('Income:Other', -25, {TEST_KEY: src_value}),
     ])
-    checker = meta_income_type.MetaIncomeType()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, {TEST_KEY: set_value})
 
 @pytest.mark.parametrize('src_value', INVALID_VALUES)
-def test_invalid_values_on_postings(src_value):
+def test_invalid_values_on_postings(hook, src_value):
     txn = testutil.Transaction(postings=[
         ('Assets:Cash', 25),
         ('Income:Other', -25, {TEST_KEY: src_value}),
     ])
-    checker = meta_income_type.MetaIncomeType()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert errors
     testutil.check_post_meta(txn, None, {TEST_KEY: src_value})
 
 @pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
-def test_valid_values_on_transactions(src_value, set_value):
+def test_valid_values_on_transactions(hook, src_value, set_value):
     txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
         ('Assets:Cash', 25),
         ('Income:Other', -25),
     ])
-    checker = meta_income_type.MetaIncomeType()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, {TEST_KEY: set_value})
 
 @pytest.mark.parametrize('src_value', INVALID_VALUES)
-def test_invalid_values_on_transactions(src_value):
+def test_invalid_values_on_transactions(hook, src_value):
     txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
         ('Assets:Cash', 25),
         ('Income:Other', -25),
     ])
-    checker = meta_income_type.MetaIncomeType()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert errors
     testutil.check_post_meta(txn, None, None)
 
@@ -87,14 +87,13 @@ def test_invalid_values_on_transactions(src_value):
     'Expenses:General',
     'Liabilities:CreditCard',
 ])
-def test_non_income_accounts_skipped(account):
+def test_non_income_accounts_skipped(hook, account):
     meta = {TEST_KEY: 'RBI'}
     txn = testutil.Transaction(postings=[
         (account, 25),
         ('Income:Other', -25, meta.copy()),
     ])
-    checker = meta_income_type.MetaIncomeType()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, meta)
 
@@ -110,26 +109,24 @@ def test_non_income_accounts_skipped(account):
     ('UnearnedIncome:Conferences:Registrations', 'RBI'),
     ('UnearnedIncome:MatchPledges', 'Donations'),
 ])
-def test_default_values(account, set_value):
+def test_default_values(hook, account, set_value):
     txn = testutil.Transaction(postings=[
         ('Assets:Cash', 25),
         (account, -25),
     ])
-    checker = meta_income_type.MetaIncomeType()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, {TEST_KEY: set_value})
 
 @pytest.mark.parametrize('account', [
     'Income:Other',
 ])
-def test_no_default_value(account):
+def test_no_default_value(hook, account):
     txn = testutil.Transaction(postings=[
         ('Assets:Cash', 25),
         (account, -25),
     ])
-    checker = meta_income_type.MetaIncomeType()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert errors
     testutil.check_post_meta(txn, None, None)
 
@@ -140,13 +137,12 @@ def test_no_default_value(account):
     (testutil.FY_MID_DATE, 'Donations'),
     (testutil.PAST_DATE, None),
 ])
-def test_default_value_set_in_date_range(date, set_value):
+def test_default_value_set_in_date_range(hook, date, set_value):
     txn = testutil.Transaction(date=date, postings=[
         ('Assets:Cash', 25),
         ('Income:Donations', -25),
     ])
-    checker = meta_income_type.MetaIncomeType()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     expect_meta = None if set_value is None else {TEST_KEY: set_value}
     testutil.check_post_meta(txn, None, expect_meta)

tests/test_meta_tax_implication.py

@@ -49,47 +49,47 @@ INVALID_VALUES = {
 
 TEST_KEY = 'tax-implication'
 
+@pytest.fixture(scope='module')
+def hook():
+    return meta_tax_implication.MetaTaxImplication()
+
 @pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
-def test_valid_values_on_postings(src_value, set_value):
+def test_valid_values_on_postings(hook, src_value, set_value):
     txn = testutil.Transaction(postings=[
         ('Accrued:AccountsPayable', 25),
         ('Assets:Cash', -25, {TEST_KEY: src_value}),
     ])
-    checker = meta_tax_implication.MetaTaxImplication()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, {TEST_KEY: set_value})
 
 @pytest.mark.parametrize('src_value', INVALID_VALUES)
-def test_invalid_values_on_postings(src_value):
+def test_invalid_values_on_postings(hook, src_value):
     txn = testutil.Transaction(postings=[
         ('Accrued:AccountsPayable', 25),
         ('Assets:Cash', -25, {TEST_KEY: src_value}),
     ])
-    checker = meta_tax_implication.MetaTaxImplication()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert errors
     testutil.check_post_meta(txn, None, {TEST_KEY: src_value})
 
 @pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
-def test_valid_values_on_transactions(src_value, set_value):
+def test_valid_values_on_transactions(hook, src_value, set_value):
     txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
         ('Accrued:AccountsPayable', 25),
         ('Assets:Cash', -25),
     ])
-    checker = meta_tax_implication.MetaTaxImplication()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, {TEST_KEY: set_value})
 
 @pytest.mark.parametrize('src_value', INVALID_VALUES)
-def test_invalid_values_on_transactions(src_value):
+def test_invalid_values_on_transactions(hook, src_value):
     txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
         ('Accrued:AccountsPayable', 25),
         ('Assets:Cash', -25),
     ])
-    checker = meta_tax_implication.MetaTaxImplication()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert errors
     testutil.check_post_meta(txn, None, None)
 
@@ -98,34 +98,31 @@ def test_invalid_values_on_transactions(src_value):
     'Expenses:General',
     'Liabilities:CreditCard',
 ])
-def test_non_asset_accounts_skipped(account):
+def test_non_asset_accounts_skipped(hook, account):
     meta = {TEST_KEY: 'USA-Corporation'}
     txn = testutil.Transaction(postings=[
         (account, 25),
         ('Assets:Cash', -25, meta.copy()),
     ])
-    checker = meta_tax_implication.MetaTaxImplication()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, meta)
 
-def test_prepaid_expenses_skipped():
+def test_prepaid_expenses_skipped(hook, ):
     txn = testutil.Transaction(postings=[
         ('Expenses:General', 25),
         ('Assets:PrepaidExpenses', -25),
     ])
-    checker = meta_tax_implication.MetaTaxImplication()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, None)
 
-def test_asset_credits_skipped():
+def test_asset_credits_skipped(hook, ):
     txn = testutil.Transaction(postings=[
         ('Income:Donations', -25),
         ('Assets:Cash', 25),
     ])
-    checker = meta_tax_implication.MetaTaxImplication()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert not errors
     testutil.check_post_meta(txn, None, None)
 
@@ -136,12 +133,11 @@ def test_asset_credits_skipped():
     (testutil.FY_MID_DATE, True),
     (testutil.PAST_DATE, False),
 ])
-def test_validation_only_in_date_range(date, need_value):
+def test_validation_only_in_date_range(hook, date, need_value):
     txn = testutil.Transaction(date=date, postings=[
         ('Liabilites:CreditCard', 25),
         ('Assets:Cash', -25),
     ])
-    checker = meta_tax_implication.MetaTaxImplication()
-    errors = list(checker.run(txn))
+    errors = list(hook.run(txn))
     assert bool(errors) == bool(need_value)
     testutil.check_post_meta(txn, None, None)