From ad436d966fa9ee2f5817aa5c26612c82558c4262 Mon Sep 17 00:00:00 2001 From: Stephan Groß Date: Mon, 15 Apr 2013 12:40:18 +0200 Subject: Add DecimalField support --- rest_framework/tests/fields.py | 165 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 165 insertions(+) (limited to 'rest_framework/tests') diff --git a/rest_framework/tests/fields.py b/rest_framework/tests/fields.py index 19c663d8..f833aa32 100644 --- a/rest_framework/tests/fields.py +++ b/rest_framework/tests/fields.py @@ -3,12 +3,14 @@ General serializer field tests. """ from __future__ import unicode_literals import datetime +from decimal import Decimal from django.db import models from django.test import TestCase from django.core import validators from rest_framework import serializers +from rest_framework.serializers import Serializer class TimestampedModel(models.Model): @@ -481,3 +483,166 @@ class TimeFieldTest(TestCase): self.assertEqual('04 - 00 [000000]', result_1) self.assertEqual('04 - 59 [000000]', result_2) self.assertEqual('04 - 59 [000200]', result_3) + + +class DecimalFieldTest(TestCase): + """ + Tests for the DecimalField from_native() and to_native() behavior + """ + + def test_from_native_string(self): + """ + Make sure from_native() accepts string values + """ + f = serializers.DecimalField() + result_1 = f.from_native('9000') + result_2 = f.from_native('1.00000001') + + self.assertEqual(Decimal('9000'), result_1) + self.assertEqual(Decimal('1.00000001'), result_2) + + def test_from_native_invalid_string(self): + """ + Make sure from_native() raises ValidationError on passing invalid string + """ + f = serializers.DecimalField() + + try: + f.from_native('123.45.6') + except validators.ValidationError as e: + self.assertEqual(e.messages, ["Enter a number."]) + else: + self.fail("ValidationError was not properly raised") + + def test_from_native_integer(self): + """ + Make sure from_native() accepts integer values + """ + f = serializers.DecimalField() + result = f.from_native(9000) + + self.assertEqual(Decimal('9000'), result) + + def test_from_native_float(self): + """ + Make sure from_native() accepts float values + """ + f = serializers.DecimalField() + result = f.from_native(1.00000001) + + self.assertEqual(Decimal('1.00000001'), result) + + def test_from_native_empty(self): + """ + Make sure from_native() returns None on empty param. + """ + f = serializers.DecimalField() + result = f.from_native('') + + self.assertEqual(result, None) + + def test_from_native_none(self): + """ + Make sure from_native() returns None on None param. + """ + f = serializers.DecimalField() + result = f.from_native(None) + + self.assertEqual(result, None) + + def test_to_native(self): + """ + Make sure to_native() returns Decimal as string. + """ + f = serializers.DecimalField() + + result_1 = f.to_native(Decimal('9000')) + result_2 = f.to_native(Decimal('1.00000001')) + + self.assertEqual('9000', result_1) + self.assertEqual('1.00000001', result_2) + + def test_to_native_none(self): + """ + Make sure from_native() returns None on None param. + """ + f = serializers.DecimalField(required=False) + self.assertEqual(None, f.to_native(None)) + + def test_valid_serialization(self): + """ + Make sure the serializer works correctly + """ + class DecimalSerializer(Serializer): + decimal_field = serializers.DecimalField(max_value=9010, + min_value=9000, + max_digits=6, + decimal_places=2) + + self.assertTrue(DecimalSerializer(data={'decimal_field': '9001'}).is_valid()) + self.assertTrue(DecimalSerializer(data={'decimal_field': '9001.2'}).is_valid()) + self.assertTrue(DecimalSerializer(data={'decimal_field': '9001.23'}).is_valid()) + + self.assertFalse(DecimalSerializer(data={'decimal_field': '8000'}).is_valid()) + self.assertFalse(DecimalSerializer(data={'decimal_field': '9900'}).is_valid()) + self.assertFalse(DecimalSerializer(data={'decimal_field': '9001.234'}).is_valid()) + + def test_raise_max_value(self): + """ + Make sure max_value violations raises ValidationError + """ + class DecimalSerializer(Serializer): + decimal_field = serializers.DecimalField(max_value=100) + + s = DecimalSerializer(data={'decimal_field': '123'}) + + self.assertFalse(s.is_valid()) + self.assertEqual(s.errors, {'decimal_field': [u'Ensure this value is less than or equal to 100.']}) + + def test_raise_min_value(self): + """ + Make sure min_value violations raises ValidationError + """ + class DecimalSerializer(Serializer): + decimal_field = serializers.DecimalField(min_value=100) + + s = DecimalSerializer(data={'decimal_field': '99'}) + + self.assertFalse(s.is_valid()) + self.assertEqual(s.errors, {'decimal_field': [u'Ensure this value is greater than or equal to 100.']}) + + def test_raise_max_digits(self): + """ + Make sure max_digits violations raises ValidationError + """ + class DecimalSerializer(Serializer): + decimal_field = serializers.DecimalField(max_digits=5) + + s = DecimalSerializer(data={'decimal_field': '123.456'}) + + self.assertFalse(s.is_valid()) + self.assertEqual(s.errors, {'decimal_field': [u'Ensure that there are no more than 5 digits in total.']}) + + def test_raise_max_decimal_places(self): + """ + Make sure max_decimal_places violations raises ValidationError + """ + class DecimalSerializer(Serializer): + decimal_field = serializers.DecimalField(decimal_places=3) + + s = DecimalSerializer(data={'decimal_field': '123.4567'}) + + self.assertFalse(s.is_valid()) + self.assertEqual(s.errors, {'decimal_field': [u'Ensure that there are no more than 3 decimal places.']}) + + def test_raise_max_whole_digits(self): + """ + Make sure max_whole_digits violations raises ValidationError + """ + class DecimalSerializer(Serializer): + decimal_field = serializers.DecimalField(max_digits=4, decimal_places=3) + + s = DecimalSerializer(data={'decimal_field': '12345.6'}) + + self.assertFalse(s.is_valid()) + self.assertEqual(s.errors, {'decimal_field': [u'Ensure that there are no more than 4 digits in total.']}) \ No newline at end of file -- cgit v1.2.3 From 37f7d8bc0f00feb1a4d23c0e163eab8b47faaec3 Mon Sep 17 00:00:00 2001 From: Stephan Groß Date: Mon, 15 Apr 2013 12:55:29 +0200 Subject: Fix unicodes --- rest_framework/tests/fields.py | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'rest_framework/tests') diff --git a/rest_framework/tests/fields.py b/rest_framework/tests/fields.py index f833aa32..597180b4 100644 --- a/rest_framework/tests/fields.py +++ b/rest_framework/tests/fields.py @@ -597,7 +597,7 @@ class DecimalFieldTest(TestCase): s = DecimalSerializer(data={'decimal_field': '123'}) self.assertFalse(s.is_valid()) - self.assertEqual(s.errors, {'decimal_field': [u'Ensure this value is less than or equal to 100.']}) + self.assertEqual(s.errors, {'decimal_field': ['Ensure this value is less than or equal to 100.']}) def test_raise_min_value(self): """ @@ -609,7 +609,7 @@ class DecimalFieldTest(TestCase): s = DecimalSerializer(data={'decimal_field': '99'}) self.assertFalse(s.is_valid()) - self.assertEqual(s.errors, {'decimal_field': [u'Ensure this value is greater than or equal to 100.']}) + self.assertEqual(s.errors, {'decimal_field': ['Ensure this value is greater than or equal to 100.']}) def test_raise_max_digits(self): """ @@ -621,7 +621,7 @@ class DecimalFieldTest(TestCase): s = DecimalSerializer(data={'decimal_field': '123.456'}) self.assertFalse(s.is_valid()) - self.assertEqual(s.errors, {'decimal_field': [u'Ensure that there are no more than 5 digits in total.']}) + self.assertEqual(s.errors, {'decimal_field': ['Ensure that there are no more than 5 digits in total.']}) def test_raise_max_decimal_places(self): """ @@ -633,7 +633,7 @@ class DecimalFieldTest(TestCase): s = DecimalSerializer(data={'decimal_field': '123.4567'}) self.assertFalse(s.is_valid()) - self.assertEqual(s.errors, {'decimal_field': [u'Ensure that there are no more than 3 decimal places.']}) + self.assertEqual(s.errors, {'decimal_field': ['Ensure that there are no more than 3 decimal places.']}) def test_raise_max_whole_digits(self): """ @@ -645,4 +645,4 @@ class DecimalFieldTest(TestCase): s = DecimalSerializer(data={'decimal_field': '12345.6'}) self.assertFalse(s.is_valid()) - self.assertEqual(s.errors, {'decimal_field': [u'Ensure that there are no more than 4 digits in total.']}) \ No newline at end of file + self.assertEqual(s.errors, {'decimal_field': ['Ensure that there are no more than 4 digits in total.']}) \ No newline at end of file -- cgit v1.2.3 From cac669702596cdf768971267e6355fb9223a69e8 Mon Sep 17 00:00:00 2001 From: Stephan Groß Date: Mon, 15 Apr 2013 15:24:14 +0200 Subject: Return Decimal instance instead of string --- rest_framework/tests/fields.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'rest_framework/tests') diff --git a/rest_framework/tests/fields.py b/rest_framework/tests/fields.py index 597180b4..3cdfa0f6 100644 --- a/rest_framework/tests/fields.py +++ b/rest_framework/tests/fields.py @@ -559,8 +559,8 @@ class DecimalFieldTest(TestCase): result_1 = f.to_native(Decimal('9000')) result_2 = f.to_native(Decimal('1.00000001')) - self.assertEqual('9000', result_1) - self.assertEqual('1.00000001', result_2) + self.assertEqual(Decimal('9000'), result_1) + self.assertEqual(Decimal('1.00000001'), result_2) def test_to_native_none(self): """ -- cgit v1.2.3