pyaccuwage/tests/test_records.py

179 lines
6.1 KiB
Python

import unittest
import decimal
import pyaccuwage
from pyaccuwage.fields import BlankField
from pyaccuwage.fields import IntegerField
from pyaccuwage.fields import MoneyField
from pyaccuwage.fields import StateField
from pyaccuwage.fields import TextField
from pyaccuwage.fields import ZeroField
from pyaccuwage.fields import StaticField
from pyaccuwage.fields import ValidationError
from pyaccuwage.model import Model
class TestModelOutput(unittest.TestCase):
class TestModel(Model):
record_length = 128
record_identifier = 'TEST' # 4 bytes
field1 = TextField(max_length=16)
field2 = IntegerField(max_length=16)
blank1 = BlankField(max_length=16)
zero1 = ZeroField(max_length=16)
money = MoneyField(max_length=32)
state_txt = StateField()
state_num = StateField(use_numeric=True)
blank2 = BlankField(max_length=12)
static1 = StaticField(value='hey mister!!')
def setUp(self):
self.model = TestModelOutput.TestModel()
def testModelBinaryOutput(self):
model = self.model
model.field1.value = 'Hello, sir!'
model.field2.value = 12345
model.money.value = decimal.Decimal('3133.77')
model.state_txt.value = 'IA'
model.state_num.value = 'IA'
expected = b''.join([
b'TEST',
b'HELLO, SIR!'.ljust(16),
b'12345'.zfill(16),
b' ' * 16,
b'0' * 16,
b'313377'.zfill(32),
b'IA',
b'19',
b' ' * 12,
b'hey mister!!',
])
output = model.output()
self.assertEqual(len(output), TestModelOutput.TestModel.record_length)
self.assertEqual(output, expected)
def testModelTextOutput(self):
model = self.model
model.field1.value = 'Hello, sir!'
model.field2.value = 12345
model.money.value = decimal.Decimal('3133.77')
model.state_txt.value = 'IA'
model.state_num.value = 'IA'
output = model.output(format='text')
self.assertEqual(output, '''---TestModel
field1: Hello, sir!
field2: 12345
money: 3133.77
state_txt: IA
state_num: IA
static1: hey mister!!
''')
class TestFileFormats(unittest.TestCase):
class TestModelA(pyaccuwage.model.Model):
record_length = 128
record_identifier = 'A' # 1 byte
field1 = TextField(max_length=16)
field2 = IntegerField(max_length=16)
blank1 = BlankField(max_length=16)
zero1 = ZeroField(max_length=16)
money = MoneyField(max_length=32)
state_txt = StateField()
state_num = StateField(use_numeric=True)
blank2 = BlankField(max_length=27)
class TestModelB(pyaccuwage.model.Model):
record_length = 128
record_identifier = 'B' # 1 byte
zero1 = ZeroField(max_length=32)
text1 = TextField(max_length=71)
text2 = TextField(max_length=20, required=False)
blank2 = BlankField(max_length=4)
record_types = [TestModelA, TestModelB]
def createExampleRecords(self):
model_a = TestFileFormats.TestModelA()
model_a.field1.value = 'I am model a'
model_a.field2.value = 5522
model_a.money.value = decimal.Decimal('23.00')
model_a.state_txt.value = 'IA'
model_a.state_num.value = 'IA'
model_b = TestFileFormats.TestModelB()
model_b.text1.value = 'hey I am model b and I have a big text field'
return [
model_a,
model_b,
]
def testJSONSerialization(self):
records = self.createExampleRecords()
record_types = self.record_types
json_data = pyaccuwage.json_dumps(records)
records_loaded = pyaccuwage.json_loads(json_data, record_types)
original_bytes = pyaccuwage.dumps(records)
reloaded_bytes = pyaccuwage.dumps(records_loaded)
self.assertEqual(original_bytes, reloaded_bytes)
def testTxtSerialization(self):
records = self.createExampleRecords()
record_types = self.record_types
text_data = pyaccuwage.text_dumps(records)
records_loaded = pyaccuwage.text_loads(text_data, record_types)
original_bytes = pyaccuwage.dumps(records)
reloaded_bytes = pyaccuwage.dumps(records_loaded)
self.assertEqual(original_bytes, reloaded_bytes)
class TestRequiredFields(unittest.TestCase):
def createTestRecord(self, required=False, blank=False):
class Record(pyaccuwage.model.Model):
record_length = 16
record_identifier = ''
test_field = TextField(max_length=16, required=required, blank=blank)
record = Record()
def dump():
return pyaccuwage.dumps([record])
return (record, dump)
def testRequiredBlankField(self):
(record, dump) = self.createTestRecord(required=True, blank=True)
record.test_field.value # if nothing is ever assigned, raise error
self.assertRaises(ValidationError, dump)
record.test_field.value = '' # value may be empty string
dump()
def testRequiredNonblankField(self):
(record, dump) = self.createTestRecord(required=True, blank=False)
record.test_field.value # if nothing is ever assigned, raise error
self.assertRaises(ValidationError, dump)
record.test_field.value = '' # value must not be empty string
self.assertRaises(ValidationError, dump)
record.test_field.value = 'hello'
dump()
def testOptionalBlankField(self):
(record, dump) = self.createTestRecord(required=False, blank=True)
record.test_field.value # OK if nothing is ever assigned
dump()
record.test_field.value = '' # OK if empty string is assigned
dump()
record.test_field.value = 'hello'
dump()
def testOptionalNonBlankField(self):
(record, dump) = self.createTestRecord(required=False, blank=False)
record.test_field.value # OK if nothing is ever assigned
dump()
record.test_field.value = '' # OK if empty string is assigned
dump()
record.test_field.value = 'hello'
dump()