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samples/jsonexample/test/complex_object_unit_test.dart

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// 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.
import 'package:flutter_test/flutter_test.dart';
import 'package:jsonexample/built_value/built_complex_object.dart';
import 'package:jsonexample/built_value/built_value_serializers.dart';
import 'package:jsonexample/dart_convert/converted_complex_object.dart';
import 'package:jsonexample/json_serializable/serializable_complex_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],
'anObject': {
'aString': 'Blah, blah, blah.',
'anInt': 1,
'aDouble': 1.0,
'aListOfStrings': ['one', 'two', 'three'],
'aListOfInts': [1, 2, 3],
'aListOfDoubles': [1.0, 2.0, 3.0]
},
'aListOfObjects': [
{
'aString': 'Blah, blah, blah.',
'anInt': 1,
'aDouble': 1.0,
'aListOfStrings': ['one', 'two', 'three'],
'aListOfInts': [1, 2, 3],
'aListOfDoubles': [1.0, 2.0, 3.0]
},
{
'aString': 'Blah, blah, blah.',
'anInt': 2,
'aDouble': 1.0,
'aListOfStrings': ['one', 'two', 'three'],
'aListOfInts': [1, 2, 3],
'aListOfDoubles': [1.0, 2.0, 3.0]
},
{
'aString': 'Blah, blah, blah.',
'anInt': 3,
'aDouble': 1.0,
'aListOfStrings': ['one', 'two', 'three'],
'aListOfInts': [1, 2, 3],
'aListOfDoubles': [1.0, 2.0, 3.0]
}
]
};
const emptySimpleObjectsJson = <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],
'anObject': <String, dynamic>{},
'aListOfObjects': [
<String, dynamic>{},
<String, dynamic>{},
<String, dynamic>{}
]
};
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!',
'anObject': {
'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!'
},
'aListOfObjects': [
{
'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!'
},
{
'aString': 'Blah, blah, blah.',
'anInt': 2,
'aDouble': 1.0,
'aListOfStrings': ['one', 'two', 'three'],
'aListOfInts': [1, 2, 3],
'aListOfDoubles': [1.0, 2.0, 3.0],
'unexpectedProperty': 'Whoops!'
},
{
'aString': 'Blah, blah, blah.',
'anInt': 3,
'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('ConvertedComplexObject unit tests', () {
test('Typical object is converted correctly', () {
final complexObject = ConvertedComplexObject.fromJson(typicalObjectJson);
expect(complexObject.aString, 'Blah, blah, blah.');
expect(complexObject.anInt, 1);
expect(complexObject.aDouble, 1.0);
expect(complexObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.anObject.aString, 'Blah, blah, blah.');
expect(complexObject.anObject.anInt, 1);
expect(complexObject.anObject.aDouble, 1.0);
expect(complexObject.anObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.anObject.aListOfInts, [1, 2, 3]);
expect(complexObject.anObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.aListOfObjects.length, 3);
for (var i = 0; i < 3; i++) {
expect(complexObject.aListOfObjects[i].aString, 'Blah, blah, blah.');
expect(complexObject.aListOfObjects[i].anInt, i + 1);
expect(complexObject.aListOfObjects[i].aDouble, 1.0);
expect(complexObject.aListOfObjects[i].aListOfStrings,
['one', 'two', 'three']);
expect(complexObject.aListOfObjects[i].aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfObjects[i].aListOfDoubles, [1.0, 2.0, 3.0]);
}
});
test('Empty object results in null fields', () {
final complexObject = ConvertedComplexObject.fromJson(emptyJson);
expect(complexObject.aString, isNull);
expect(complexObject.anInt, isNull);
expect(complexObject.aDouble, isNull);
expect(complexObject.aListOfStrings, isNull);
expect(complexObject.aListOfInts, isNull);
expect(complexObject.aListOfDoubles, isNull);
expect(complexObject.anObject, isNull);
expect(complexObject.aListOfObjects, isNull);
});
test('Empty simple objects result in instances with null fields', () {
final complexObject =
ConvertedComplexObject.fromJson(emptySimpleObjectsJson);
expect(complexObject.aString, 'Blah, blah, blah.');
expect(complexObject.anInt, 1);
expect(complexObject.aDouble, 1.0);
expect(complexObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.anObject.aString, isNull);
expect(complexObject.anObject.anInt, isNull);
expect(complexObject.anObject.aDouble, isNull);
expect(complexObject.anObject.aListOfStrings, isNull);
expect(complexObject.anObject.aListOfInts, isNull);
expect(complexObject.anObject.aListOfDoubles, isNull);
expect(complexObject.aListOfObjects.length, 3);
for (var i = 0; i < 3; i++) {
expect(complexObject.aListOfObjects[i].aString, isNull);
expect(complexObject.aListOfObjects[i].anInt, isNull);
expect(complexObject.aListOfObjects[i].aDouble, isNull);
expect(complexObject.aListOfObjects[i].aListOfStrings, isNull);
expect(complexObject.aListOfObjects[i].aListOfInts, isNull);
expect(complexObject.aListOfObjects[i].aListOfDoubles, isNull);
}
});
test('Unexpected properties are ignored', () {
final complexObject =
ConvertedComplexObject.fromJson(unexpectedPropertiesJson);
expect(complexObject.aString, 'Blah, blah, blah.');
expect(complexObject.anInt, 1);
expect(complexObject.aDouble, 1.0);
expect(complexObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.anObject.aString, 'Blah, blah, blah.');
expect(complexObject.anObject.anInt, 1);
expect(complexObject.anObject.aDouble, 1.0);
expect(complexObject.anObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.anObject.aListOfInts, [1, 2, 3]);
expect(complexObject.anObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.aListOfObjects.length, 3);
for (var i = 0; i < 3; i++) {
expect(complexObject.aListOfObjects[i].aString, 'Blah, blah, blah.');
expect(complexObject.aListOfObjects[i].anInt, i + 1);
expect(complexObject.aListOfObjects[i].aDouble, 1.0);
expect(complexObject.aListOfObjects[i].aListOfStrings,
['one', 'two', 'three']);
expect(complexObject.aListOfObjects[i].aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfObjects[i].aListOfDoubles, [1.0, 2.0, 3.0]);
}
});
});
group('SerializableComplexObject unit tests', () {
test('Typical object is converted correctly', () {
final complexObject =
SerializableComplexObject.fromJson(typicalObjectJson);
expect(complexObject.aString, 'Blah, blah, blah.');
expect(complexObject.anInt, 1);
expect(complexObject.aDouble, 1.0);
expect(complexObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.anObject.aString, 'Blah, blah, blah.');
expect(complexObject.anObject.anInt, 1);
expect(complexObject.anObject.aDouble, 1.0);
expect(complexObject.anObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.anObject.aListOfInts, [1, 2, 3]);
expect(complexObject.anObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.aListOfObjects.length, 3);
for (var i = 0; i < 3; i++) {
expect(complexObject.aListOfObjects[i].aString, 'Blah, blah, blah.');
expect(complexObject.aListOfObjects[i].anInt, i + 1);
expect(complexObject.aListOfObjects[i].aDouble, 1.0);
expect(complexObject.aListOfObjects[i].aListOfStrings,
['one', 'two', 'three']);
expect(complexObject.aListOfObjects[i].aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfObjects[i].aListOfDoubles, [1.0, 2.0, 3.0]);
}
});
test('Empty object results in null fields', () {
final complexObject = SerializableComplexObject.fromJson(emptyJson);
expect(complexObject.aString, isNull);
expect(complexObject.anInt, isNull);
expect(complexObject.aDouble, isNull);
expect(complexObject.aListOfStrings, isNull);
expect(complexObject.aListOfInts, isNull);
expect(complexObject.aListOfDoubles, isNull);
expect(complexObject.anObject, isNull);
expect(complexObject.aListOfObjects, isNull);
});
test('Empty simple objects result in instances with null fields', () {
final complexObject =
SerializableComplexObject.fromJson(emptySimpleObjectsJson);
expect(complexObject.aString, 'Blah, blah, blah.');
expect(complexObject.anInt, 1);
expect(complexObject.aDouble, 1.0);
expect(complexObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.anObject.aString, isNull);
expect(complexObject.anObject.anInt, isNull);
expect(complexObject.anObject.aDouble, isNull);
expect(complexObject.anObject.aListOfStrings, isNull);
expect(complexObject.anObject.aListOfInts, isNull);
expect(complexObject.anObject.aListOfDoubles, isNull);
expect(complexObject.aListOfObjects.length, 3);
for (var i = 0; i < 3; i++) {
expect(complexObject.aListOfObjects[i].aString, isNull);
expect(complexObject.aListOfObjects[i].anInt, isNull);
expect(complexObject.aListOfObjects[i].aDouble, isNull);
expect(complexObject.aListOfObjects[i].aListOfStrings, isNull);
expect(complexObject.aListOfObjects[i].aListOfInts, isNull);
expect(complexObject.aListOfObjects[i].aListOfDoubles, isNull);
}
});
test('Unexpected properties are ignored', () {
final complexObject =
SerializableComplexObject.fromJson(unexpectedPropertiesJson);
expect(complexObject.aString, 'Blah, blah, blah.');
expect(complexObject.anInt, 1);
expect(complexObject.aDouble, 1.0);
expect(complexObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.anObject.aString, 'Blah, blah, blah.');
expect(complexObject.anObject.anInt, 1);
expect(complexObject.anObject.aDouble, 1.0);
expect(complexObject.anObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.anObject.aListOfInts, [1, 2, 3]);
expect(complexObject.anObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.aListOfObjects.length, 3);
for (var i = 0; i < 3; i++) {
expect(complexObject.aListOfObjects[i].aString, 'Blah, blah, blah.');
expect(complexObject.aListOfObjects[i].anInt, i + 1);
expect(complexObject.aListOfObjects[i].aDouble, 1.0);
expect(complexObject.aListOfObjects[i].aListOfStrings,
['one', 'two', 'three']);
expect(complexObject.aListOfObjects[i].aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfObjects[i].aListOfDoubles, [1.0, 2.0, 3.0]);
}
});
});
group('BuiltComplexObject unit tests', () {
test('Typical object is converted correctly', () {
final complexObject = serializers.deserializeWith(
BuiltComplexObject.serializer, typicalObjectJson);
expect(complexObject.aString, 'Blah, blah, blah.');
expect(complexObject.anInt, 1);
expect(complexObject.aDouble, 1.0);
expect(complexObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.anObject.aString, 'Blah, blah, blah.');
expect(complexObject.anObject.anInt, 1);
expect(complexObject.anObject.aDouble, 1.0);
expect(complexObject.anObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.anObject.aListOfInts, [1, 2, 3]);
expect(complexObject.anObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.aListOfObjects.length, 3);
for (var i = 0; i < 3; i++) {
expect(complexObject.aListOfObjects[i].aString, 'Blah, blah, blah.');
expect(complexObject.aListOfObjects[i].anInt, i + 1);
expect(complexObject.aListOfObjects[i].aDouble, 1.0);
expect(complexObject.aListOfObjects[i].aListOfStrings,
['one', 'two', 'three']);
expect(complexObject.aListOfObjects[i].aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfObjects[i].aListOfDoubles, [1.0, 2.0, 3.0]);
}
});
test('Empty object results in null fields', () {
final complexObject =
serializers.deserializeWith(BuiltComplexObject.serializer, emptyJson);
expect(complexObject.aString, isNull);
expect(complexObject.anInt, isNull);
expect(complexObject.aDouble, isNull);
expect(complexObject.anObject, isNull);
expect(complexObject.aListOfStrings, isNull);
expect(complexObject.aListOfInts, isNull);
expect(complexObject.aListOfDoubles, isNull);
expect(complexObject.aListOfObjects, isNull);
});
test('Empty simple objects result in instances with null fields', () {
final complexObject = serializers.deserializeWith(
BuiltComplexObject.serializer, emptySimpleObjectsJson);
expect(complexObject.aString, 'Blah, blah, blah.');
expect(complexObject.anInt, 1);
expect(complexObject.aDouble, 1.0);
expect(complexObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.anObject.aString, isNull);
expect(complexObject.anObject.anInt, isNull);
expect(complexObject.anObject.aDouble, isNull);
expect(complexObject.anObject.aListOfStrings, isNull);
expect(complexObject.anObject.aListOfInts, isNull);
expect(complexObject.anObject.aListOfDoubles, isNull);
expect(complexObject.aListOfObjects.length, 3);
for (var i = 0; i < 3; i++) {
expect(complexObject.aListOfObjects[i].aString, isNull);
expect(complexObject.aListOfObjects[i].anInt, isNull);
expect(complexObject.aListOfObjects[i].aDouble, isNull);
expect(complexObject.aListOfObjects[i].aListOfStrings, isNull);
expect(complexObject.aListOfObjects[i].aListOfInts, isNull);
expect(complexObject.aListOfObjects[i].aListOfDoubles, isNull);
}
});
test('Unexpected properties are ignored', () {
final complexObject = serializers.deserializeWith(
BuiltComplexObject.serializer, unexpectedPropertiesJson);
expect(complexObject.aString, 'Blah, blah, blah.');
expect(complexObject.anInt, 1);
expect(complexObject.aDouble, 1.0);
expect(complexObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.anObject.aString, 'Blah, blah, blah.');
expect(complexObject.anObject.anInt, 1);
expect(complexObject.anObject.aDouble, 1.0);
expect(complexObject.anObject.aListOfStrings, ['one', 'two', 'three']);
expect(complexObject.anObject.aListOfInts, [1, 2, 3]);
expect(complexObject.anObject.aListOfDoubles, [1.0, 2.0, 3.0]);
expect(complexObject.aListOfObjects.length, 3);
for (var i = 0; i < 3; i++) {
expect(complexObject.aListOfObjects[i].aString, 'Blah, blah, blah.');
expect(complexObject.aListOfObjects[i].anInt, i + 1);
expect(complexObject.aListOfObjects[i].aDouble, 1.0);
expect(complexObject.aListOfObjects[i].aListOfStrings,
['one', 'two', 'three']);
expect(complexObject.aListOfObjects[i].aListOfInts, [1, 2, 3]);
expect(complexObject.aListOfObjects[i].aListOfDoubles, [1.0, 2.0, 3.0]);
}
});
});
}
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