public async void RequiredPropertyOccuringTwiceInThePayloadWorksAsExpected()
{
string json = "" "{" FirstName ":" foo "," MiddleName ":" "," LastName ":" bar "," FirstName ":" newfoo "}" "";
PersonWithRequiredMembers deserialized = await Serializer.DeserializeWrapper <PersonWithRequiredMembers>(json);
Assert.Equal("newfoo", deserialized.FirstName);
Assert.Equal("", deserialized.MiddleName);
Assert.Equal("bar", deserialized.LastName);
}
public async void RemovingPropertiesWithRequiredKeywordAllowsDeserialization()
{
JsonSerializerOptions options = new()
{
TypeInfoResolver = new DefaultJsonTypeInfoResolver()
{
Modifiers =
{
(ti) =>
{
for (int i = 0; i < ti.Properties.Count; i++)
{
if (ti.Properties[i].Name == nameof(PersonWithRequiredMembers.FirstName))
{
Assert.True(ti.Properties[i].IsRequired);
JsonPropertyInfo property = ti.CreateJsonPropertyInfo(typeof(string), nameof(PersonWithRequiredMembers.FirstName));
property.Get = (obj) => ((PersonWithRequiredMembers)obj).FirstName;
property.Set = (obj, val) => ((PersonWithRequiredMembers)obj).FirstName = (string)val;
ti.Properties[i] = property;
}
else if (ti.Properties[i].Name == nameof(PersonWithRequiredMembers.LastName))
{
Assert.True(ti.Properties[i].IsRequired);
JsonPropertyInfo property = ti.CreateJsonPropertyInfo(typeof(string), nameof(PersonWithRequiredMembers.LastName));
property.Get = (obj) => ((PersonWithRequiredMembers)obj).LastName;
property.Set = (obj, val) => ((PersonWithRequiredMembers)obj).LastName = (string)val;
ti.Properties[i] = property;
}
else
{
Assert.False(ti.Properties[i].IsRequired);
}
}
}
}
}
};
var obj = new PersonWithRequiredMembers()
{
FirstName = "foo",
LastName = "bar"
};
string json = await Serializer.SerializeWrapper(obj, options);
Assert.Equal("" "{" FirstName ":" foo "," MiddleName ":" "," LastName ":" bar "}" "", json);
json = "" "{" LastName ":" bar "}" "";
PersonWithRequiredMembers deserialized = await Serializer.DeserializeWrapper <PersonWithRequiredMembers>(json, options);
Assert.Null(deserialized.FirstName);
Assert.Equal("", deserialized.MiddleName);
Assert.Equal("bar", deserialized.LastName);
}
public async void ClassWithRequiredKeywordDeserialization(bool ignoreNullValues)
{
JsonSerializerOptions options = new()
{
IgnoreNullValues = ignoreNullValues
};
AssertJsonTypeInfoHasRequiredProperties(GetTypeInfo <PersonWithRequiredMembers>(options),
nameof(PersonWithRequiredMembers.FirstName),
nameof(PersonWithRequiredMembers.LastName));
var obj = new PersonWithRequiredMembers()
{
FirstName = "foo",
LastName = "bar"
};
string json = await Serializer.SerializeWrapper(obj, options);
Assert.Equal("" "{" FirstName ":" foo "," MiddleName ":" "," LastName ":" bar "}" "", json);
PersonWithRequiredMembers deserialized = await Serializer.DeserializeWrapper <PersonWithRequiredMembers>(json, options);
Assert.Equal(obj.FirstName, deserialized.FirstName);
Assert.Equal(obj.MiddleName, deserialized.MiddleName);
Assert.Equal(obj.LastName, deserialized.LastName);
json = "" "{" LastName ":" bar "}" "";
JsonException exception = await Assert.ThrowsAsync <JsonException>(async() => await Serializer.DeserializeWrapper <PersonWithRequiredMembers>(json, options));
Assert.Contains("FirstName", exception.Message);
Assert.DoesNotContain("LastName", exception.Message);
Assert.DoesNotContain("MiddleName", exception.Message);
json = "" "{" LastName ":null}" "";
exception = await Assert.ThrowsAsync <JsonException>(async() => await Serializer.DeserializeWrapper <PersonWithRequiredMembers>(json, options));
Assert.Contains("FirstName", exception.Message);
Assert.DoesNotContain("LastName", exception.Message);
Assert.DoesNotContain("MiddleName", exception.Message);
json = "{}";
exception = await Assert.ThrowsAsync <JsonException>(async() => await Serializer.DeserializeWrapper <PersonWithRequiredMembers>(json, options));
Assert.Contains("FirstName", exception.Message);
Assert.Contains("LastName", exception.Message);
Assert.DoesNotContain("MiddleName", exception.Message);
}
public async void ChangingPropertiesWithRequiredKeywordToNotBeRequiredAllowsDeserialization()
{
JsonSerializerOptions options = new()
{
TypeInfoResolver = new DefaultJsonTypeInfoResolver()
{
Modifiers =
{
(ti) =>
{
for (int i = 0; i < ti.Properties.Count; i++)
{
ti.Properties[i].IsRequired = false;
}
}
}
}
};
var obj = new PersonWithRequiredMembers()
{
FirstName = "foo",
LastName = "bar"
};
string json = await Serializer.SerializeWrapper(obj, options);
Assert.Equal("" "{" FirstName ":" foo "," MiddleName ":" "," LastName ":" bar "}" "", json);
json = "" "{" LastName ":" bar "}" "";
PersonWithRequiredMembers deserialized = await Serializer.DeserializeWrapper <PersonWithRequiredMembers>(json, options);
Assert.Null(deserialized.FirstName);
Assert.Equal("", deserialized.MiddleName);
Assert.Equal("bar", deserialized.LastName);
}
