public async Task BindModelAsync_CreatesDataSetForParameter(string methodName, string paramName)
{
// Arrange
var metadata = GetMetadataForParameter(typeof(DataSetModelBinderTest), methodName);
var bindingContext = new DefaultModelBindingContext
{
IsTopLevelObject = true,
ModelMetadata = metadata,
ModelName = paramName,
FieldName = paramName,
ValueProvider = new TestValueProvider(new Dictionary <string, object>()),
ModelState = new ModelStateDictionary()
};
var binder = new DataSetModelBinder <Student>(NullLoggerFactory.Instance);
// Act
await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(bindingContext.Result.IsModelSet);
Assert.NotNull(bindingContext.Result.Model);
Assert.IsAssignableFrom <DataSet <Student> >(bindingContext.Result.Model);
var keyValuePair = Assert.Single(bindingContext.ModelState);
Assert.Equal(paramName, keyValuePair.Key);
Assert.Empty(keyValuePair.Value.Errors);
}
public async Task BindModelAsync_ScalarDataSetParam()
{
// Arrange
var metadata = GetMetadataForParameter(typeof(DataSetModelBinderTest), nameof(ActionWithScalarDataSetParameter));
var values = new Dictionary <string, object>()
{
{ "StudentId", "1" },
{ "Name", "John" },
{ "Courses[0].CourseId", "1" },
{ "Courses[0].Name", "Math" },
{ "Courses[1].CourseId", "2" },
{ "Courses[1].Name", "History" }
};
var bindingContext = new DefaultModelBindingContext
{
IsTopLevelObject = true,
ModelMetadata = metadata,
ModelName = string.Empty,
ValueProvider = new TestValueProvider(values),
ModelState = new ModelStateDictionary()
};
var binder = new DataSetModelBinder <Student>(NullLoggerFactory.Instance);
// Act
await binder.BindModelAsync(bindingContext);
// Assert
var result = (DataSet <Student>)bindingContext.Model;
var expectedJson =
@"[
{
""StudentId"" : 1,
""Name"" : ""John"",
""Courses"" : [
{
""CourseId"" : 1,
""Name"" : ""Math""
},
{
""CourseId"" : 2,
""Name"" : ""History""
}
]
}
]";
Assert.Equal(expectedJson, result.ToJsonString(true));
}
public async Task BindModelAsync_ScalarDataSetParam_NoData()
{
// Arrange
var metadata = GetMetadataForParameter(typeof(DataSetModelBinderTest), nameof(ActionWithScalarDataSetParameter));
var values = new Dictionary <string, object>();
var bindingContext = new DefaultModelBindingContext
{
IsTopLevelObject = true,
ModelMetadata = metadata,
ModelName = string.Empty,
ValueProvider = new TestValueProvider(values),
ModelState = new ModelStateDictionary()
};
var binder = new DataSetModelBinder <Student>(NullLoggerFactory.Instance);
// Act
await binder.BindModelAsync(bindingContext);
// Assert
var result = (DataSet <Student>)bindingContext.Model;
Assert.Single(result);
}
public async Task BindModelAsync_CollectionDataSetParam_ExplicitIndex()
{
// Arrange
var metadata = GetMetadataForParameter(typeof(DataSetModelBinderTest), nameof(ActionWithDataSetParameter));
var paramName = "parameter";
var formCollection = new FormCollection(
new Dictionary <string, StringValues>()
{
{ "parameter.index", new string[] { "0", "2" } },
{ "parameter[0].StudentId", "1" },
{ "parameter[0].Name", "John" },
{ "parameter[0].Courses[0].CourseId", "1" },
{ "parameter[0].Courses[0].Name", "Math" },
{ "parameter[0].Courses[1].CourseId", "2" },
{ "parameter[0].Courses[1].Name", "History" },
{ "parameter[2].StudentId", "2" },
{ "parameter[2].Name", "Tony" },
{ "parameter[2].Courses[0].CourseId", "2" },
{ "parameter[2].Courses[0].Name", "History" },
{ "parameter[2].Courses[1].CourseId", "2" },
{ "parameter[2].Courses[1].Name", "Math" },
});
var vp = new FormValueProvider(BindingSource.Form, formCollection, CultureInfo.CurrentCulture);
var bindingContext = new DefaultModelBindingContext
{
IsTopLevelObject = true,
ModelMetadata = metadata,
ModelName = paramName,
FieldName = paramName,
ValueProvider = vp,
ModelState = new ModelStateDictionary()
};
var binder = new DataSetModelBinder <Student>(NullLoggerFactory.Instance);
// Act
await binder.BindModelAsync(bindingContext);
// Assert
var result = (DataSet <Student>)bindingContext.Model;
var expectedJson =
@"[
{
""StudentId"" : 1,
""Name"" : ""John"",
""Courses"" : [
{
""CourseId"" : 1,
""Name"" : ""Math""
},
{
""CourseId"" : 2,
""Name"" : ""History""
}
]
},
{
""StudentId"" : 2,
""Name"" : ""Tony"",
""Courses"" : [
{
""CourseId"" : 2,
""Name"" : ""History""
},
{
""CourseId"" : 2,
""Name"" : ""Math""
}
]
}
]";
Assert.Equal(expectedJson, result.ToJsonString(true));
}