public async Task BindModelAsync_ReturnsNonEmptyResult_ForAllTypes_WithHeaderBindingSource(Type type)
{
// Arrange
var binder = new HeaderModelBinder();
var modelBindingContext = GetBindingContext(type);
// Act
var result = await binder.BindModelResultAsync(modelBindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
}
public async Task HeaderBinder_BindsHeaders_ToStringType()
{
// Arrange
var type = typeof(string);
var header = "User-Agent";
var headerValue = "UnitTest";
var binder = new HeaderModelBinder();
var modelBindingContext = GetBindingContext(type);
modelBindingContext.FieldName = header;
modelBindingContext.OperationBindingContext.HttpContext.Request.Headers.Add(header, new[] { headerValue });
// Act
var result = await binder.BindModelResultAsync(modelBindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.Equal(headerValue, result.Model);
}
public async Task HeaderBinder_BindsHeaders_ToStringCollection()
{
// Arrange
var type = typeof(string[]);
var header = "Accept";
var headerValue = "application/json,text/json";
var binder = new HeaderModelBinder();
var modelBindingContext = GetBindingContext(type);
modelBindingContext.FieldName = header;
modelBindingContext.OperationBindingContext.HttpContext.Request.Headers.Add(header, new[] { headerValue });
// Act
var result = await binder.BindModelResultAsync(modelBindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.Equal(headerValue.Split(','), result.Model);
}
public async Task HeaderBinder_BindsHeaders_ForCollectionsItCanCreate(Type destinationType)
{
// Arrange
var header = "Accept";
var headerValue = "application/json,text/json";
var binder = new HeaderModelBinder();
var modelBindingContext = GetBindingContext(destinationType);
modelBindingContext.FieldName = header;
modelBindingContext.OperationBindingContext.HttpContext.Request.Headers.Add(header, new[] { headerValue });
// Act
var result = await binder.BindModelResultAsync(modelBindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.True(result.IsModelSet);
Assert.IsAssignableFrom(destinationType, result.Model);
Assert.Equal(headerValue.Split(','), result.Model as IEnumerable <string>);
}
public async Task HeaderBinder_ReturnsFailedResult_ForCollectionsItCannotCreate()
{
// Arrange
var header = "Accept";
var headerValue = "application/json,text/json";
var binder = new HeaderModelBinder();
var modelBindingContext = GetBindingContext(typeof(ISet <string>));
modelBindingContext.FieldName = header;
modelBindingContext.OperationBindingContext.HttpContext.Request.Headers.Add(header, new[] { headerValue });
// Act
var result = await binder.BindModelResultAsync(modelBindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.False(result.IsModelSet);
Assert.Equal("modelName", result.Key);
Assert.Null(result.Model);
}
public async Task HeaderBinder_ReturnsNothing_ForNonHeaderBindingSource()
{
// Arrange
var type = typeof(string);
var header = "User-Agent";
var headerValue = "UnitTest";
var binder = new HeaderModelBinder();
var modelBindingContext = GetBindingContext(type);
modelBindingContext.BindingSource = BindingSource.Body;
modelBindingContext.FieldName = header;
modelBindingContext.OperationBindingContext.HttpContext.Request.Headers.Add(header, new[] { headerValue });
// Act
var result = await binder.BindModelResultAsync(modelBindingContext);
// Assert
Assert.Equal(default(ModelBindingResult), result);
}
