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samples/jsonexample/test/simple_object_unit_test.dart

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7.2 KiB

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// ignore_for_file: strong_mode_implicit_dynamic_list_literal
import 'package:flutter_test/flutter_test.dart';
import 'package:jsonexample/built_value/built_simple_object.dart';
import 'package:jsonexample/built_value/built_value_serializers.dart';
import 'package:jsonexample/dart_convert/converted_simple_object.dart';
import 'package:jsonexample/json_serializable/serializable_simple_object.dart';
void main() {
const typicalObjectJson = <String, dynamic>{
'aString': 'Blah, blah, blah.',
'anInt': 1,
'aDouble': 1.0,
'aListOfStrings': ['one', 'two', 'three'],
'aListOfInts': [1, 2, 3],
'aListOfDoubles': [1.0, 2.0, 3.0]
};
const emptyListJson = <String, dynamic>{
'aString': 'Blah, blah, blah.',
'anInt': 1,
'aDouble': 1.0,
'aListOfStrings': <String>[],
'aListOfInts': <int>[],
'aListOfDoubles': <double>[]
};
const unexpectedPropertiesJson = <String, dynamic>{
'aString': 'Blah, blah, blah.',
'anInt': 1,
'aDouble': 1.0,
'aListOfStrings': ['one', 'two', 'three'],
'aListOfInts': [1, 2, 3],
'aListOfDoubles': [1.0, 2.0, 3.0],
'unexpectedProperty': 'Whoops!'
};
const emptyJson = <String, dynamic>{};
group('ConvertedSimpleObject unit tests', () {
test('Typical object is converted correctly', () {
final simpleObject = ConvertedSimpleObject.fromJson(typicalObjectJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, 'Blah, blah, blah.');
expect(simpleObject.anInt, 1);
expect(simpleObject.aDouble, 1.0);
expect(simpleObject.aListOfStrings, ['one', 'two', 'three']);
expect(simpleObject.aListOfInts, [1, 2, 3]);
expect(simpleObject.aListOfDoubles, [1.0, 2.0, 3.0]);
});
test('Empty object', () {
final simpleObject = ConvertedSimpleObject.fromJson(emptyJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, isNull);
expect(simpleObject.anInt, isNull);
expect(simpleObject.aDouble, isNull);
expect(simpleObject.aListOfStrings, isNull);
expect(simpleObject.aListOfInts, isNull);
expect(simpleObject.aListOfDoubles, isNull);
});
test('Empty lists', () {
final simpleObject = ConvertedSimpleObject.fromJson(emptyListJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, 'Blah, blah, blah.');
expect(simpleObject.anInt, 1);
expect(simpleObject.aDouble, 1.0);
expect(simpleObject.aListOfStrings, <String>[]);
expect(simpleObject.aListOfInts, <int>[]);
expect(simpleObject.aListOfDoubles, <double>[]);
});
test('Extra properties', () {
final simpleObject =
ConvertedSimpleObject.fromJson(unexpectedPropertiesJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, 'Blah, blah, blah.');
expect(simpleObject.anInt, 1);
expect(simpleObject.aDouble, 1.0);
expect(simpleObject.aListOfStrings, ['one', 'two', 'three']);
expect(simpleObject.aListOfInts, [1, 2, 3]);
expect(simpleObject.aListOfDoubles, [1.0, 2.0, 3.0]);
});
});
group('SerializableSimpleObject unit tests', () {
test('Typical object is converted correctly', () {
final simpleObject = SerializableSimpleObject.fromJson(typicalObjectJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, 'Blah, blah, blah.');
expect(simpleObject.anInt, 1);
expect(simpleObject.aDouble, 1.0);
expect(simpleObject.aListOfStrings, ['one', 'two', 'three']);
expect(simpleObject.aListOfInts, [1, 2, 3]);
expect(simpleObject.aListOfDoubles, [1.0, 2.0, 3.0]);
});
test('Empty object results in null fields', () {
final simpleObject = SerializableSimpleObject.fromJson(emptyJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, isNull);
expect(simpleObject.anInt, isNull);
expect(simpleObject.aDouble, isNull);
expect(simpleObject.aListOfStrings, isNull);
expect(simpleObject.aListOfInts, isNull);
expect(simpleObject.aListOfDoubles, isNull);
});
test('Empty lists are converted as empty lists', () {
final simpleObject = SerializableSimpleObject.fromJson(emptyListJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, 'Blah, blah, blah.');
expect(simpleObject.anInt, 1);
expect(simpleObject.aDouble, 1.0);
expect(simpleObject.aListOfStrings, <String>[]);
expect(simpleObject.aListOfInts, <int>[]);
expect(simpleObject.aListOfDoubles, <double>[]);
});
test('Unexpected properties are ignored', () {
final simpleObject =
SerializableSimpleObject.fromJson(unexpectedPropertiesJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, 'Blah, blah, blah.');
expect(simpleObject.anInt, 1);
expect(simpleObject.aDouble, 1.0);
expect(simpleObject.aListOfStrings, ['one', 'two', 'three']);
expect(simpleObject.aListOfInts, [1, 2, 3]);
expect(simpleObject.aListOfDoubles, [1.0, 2.0, 3.0]);
});
});
group('BuiltSimpleObject unit tests', () {
test('Typical object is converted correctly', () {
final simpleObject = serializers.deserializeWith(
BuiltSimpleObject.serializer, typicalObjectJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, 'Blah, blah, blah.');
expect(simpleObject.anInt, 1);
expect(simpleObject.aDouble, 1.0);
expect(simpleObject.aListOfStrings, ['one', 'two', 'three']);
expect(simpleObject.aListOfInts, [1, 2, 3]);
expect(simpleObject.aListOfDoubles, [1.0, 2.0, 3.0]);
});
test('Empty object results in null fields', () {
final simpleObject =
serializers.deserializeWith(BuiltSimpleObject.serializer, emptyJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, isNull);
expect(simpleObject.anInt, isNull);
expect(simpleObject.aDouble, isNull);
expect(simpleObject.aListOfStrings, isNull);
expect(simpleObject.aListOfInts, isNull);
expect(simpleObject.aListOfDoubles, isNull);
});
test('Empty lists are converted as empty lists', () {
final simpleObject = serializers.deserializeWith(
BuiltSimpleObject.serializer, emptyListJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, 'Blah, blah, blah.');
expect(simpleObject.anInt, 1);
expect(simpleObject.aDouble, 1.0);
expect(simpleObject.aListOfStrings, <String>[]);
expect(simpleObject.aListOfInts, <int>[]);
expect(simpleObject.aListOfDoubles, <double>[]);
});
test('Unexpected properties are ignored', () {
final simpleObject = serializers.deserializeWith(
BuiltSimpleObject.serializer, unexpectedPropertiesJson);
expect(simpleObject, isNotNull);
expect(simpleObject.aString, 'Blah, blah, blah.');
expect(simpleObject.anInt, 1);
expect(simpleObject.aDouble, 1.0);
expect(simpleObject.aListOfStrings, ['one', 'two', 'three']);
expect(simpleObject.aListOfInts, [1, 2, 3]);
expect(simpleObject.aListOfDoubles, [1.0, 2.0, 3.0]);
});
});
}