public async Task FormFileModelBinder_ExpectMultipleFiles_BindSuccessful()
{
// Arrange
var formFiles = GetTwoFiles();
var httpContext = GetMockHttpContext(GetMockFormCollection(formFiles));
var bindingContext = GetBindingContext(typeof(IEnumerable <IFormFile>), httpContext);
var binder = new FormFileModelBinder();
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.True(result.IsModelSet);
var entry = bindingContext.ValidationState[result.Model];
Assert.True(entry.SuppressValidation);
Assert.Equal("file", entry.Key);
Assert.Null(entry.Metadata);
var files = Assert.IsAssignableFrom <IList <IFormFile> >(result.Model);
Assert.Equal(2, files.Count);
}
public async Task FormFileModelBinder_UsesFieldNameForTopLevelObject(bool isTopLevel, string expected)
{
// Arrange
var formFiles = new FormFileCollection();
formFiles.Add(GetMockFormFile("FieldName", "file1.txt"));
formFiles.Add(GetMockFormFile("ModelName", "file1.txt"));
var httpContext = GetMockHttpContext(GetMockFormCollection(formFiles));
var bindingContext = GetBindingContext(typeof(IFormFile), httpContext);
bindingContext.IsTopLevelObject = isTopLevel;
bindingContext.FieldName = "FieldName";
bindingContext.ModelName = "ModelName";
var binder = new FormFileModelBinder();
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.True(result.IsModelSet);
var file = Assert.IsAssignableFrom <IFormFile>(result.Model);
Assert.Equal(expected, file.Name);
}
public async Task FormFileModelBinder_ReturnsNothing_ForUnsupportedDestinationTypes(Type destinationType)
{
// Arrange
var formFiles = GetTwoFiles();
var httpContext = GetMockHttpContext(GetMockFormCollection(formFiles));
var bindingContext = GetBindingContext(destinationType, httpContext);
var binder = new FormFileModelBinder();
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.Equal(default(ModelBindingResult), result);
}
public async Task FormFileModelBinder_ReturnsFailedResult_ForCollectionsItCannotCreate()
{
// Arrange
var binder = new FormFileModelBinder();
var formFiles = GetTwoFiles();
var httpContext = GetMockHttpContext(GetMockFormCollection(formFiles));
var bindingContext = GetBindingContext(typeof(ISet <IFormFile>), httpContext);
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.False(result.IsModelSet);
Assert.Null(result.Model);
}
public async Task FormFileModelBinder_ReturnsFailedResult_ForReadOnlyDestination()
{
// Arrange
var binder = new FormFileModelBinder();
var formFiles = GetTwoFiles();
var httpContext = GetMockHttpContext(GetMockFormCollection(formFiles));
var bindingContext = GetBindingContextForReadOnlyArray(httpContext);
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.False(result.IsModelSet);
Assert.Null(result.Model);
}
public async Task FormFileModelBinder_ExpectSingleFile_BindFirstFile()
{
// Arrange
var formFiles = GetTwoFiles();
var httpContext = GetMockHttpContext(GetMockFormCollection(formFiles));
var bindingContext = GetBindingContext(typeof(IFormFile), httpContext);
var binder = new FormFileModelBinder();
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
var file = Assert.IsAssignableFrom <IFormFile>(result.Model);
Assert.Equal("file1.txt", file.FileName);
}
public async Task FormFileModelBinder_BindsFiles_ForCollectionsItCanCreate(Type destinationType)
{
// Arrange
var binder = new FormFileModelBinder();
var formFiles = GetTwoFiles();
var httpContext = GetMockHttpContext(GetMockFormCollection(formFiles));
var bindingContext = GetBindingContext(destinationType, httpContext);
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.True(result.IsModelSet);
Assert.IsAssignableFrom(destinationType, result.Model);
Assert.Equal(formFiles, result.Model as IEnumerable <IFormFile>);
}
public async Task FormFileModelBinder_ReturnsFailedResult_WithNoFileNameAndZeroLength()
{
// Arrange
var formFiles = new FormFileCollection();
formFiles.Add(GetMockFormFile("file", ""));
var httpContext = GetMockHttpContext(GetMockFormCollection(formFiles));
var bindingContext = GetBindingContext(typeof(IFormFile), httpContext);
var binder = new FormFileModelBinder();
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.False(result.IsModelSet);
Assert.Null(result.Model);
}
public async Task FormFileModelBinder_ReturnsFailedResult_WithEmptyContentDisposition()
{
// Arrange
var formFiles = new FormFileCollection();
formFiles.Add(new Mock <IFormFile>().Object);
var httpContext = GetMockHttpContext(GetMockFormCollection(formFiles));
var bindingContext = GetBindingContext(typeof(IFormFile), httpContext);
var binder = new FormFileModelBinder();
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.False(result.IsModelSet);
Assert.Null(result.Model);
}
public async Task FormFileModelBinder_SuppressesValidation()
{
// Arrange
var formFiles = new FormFileCollection();
formFiles.Add(GetMockFormFile("file", "file1.txt"));
var httpContext = GetMockHttpContext(GetMockFormCollection(formFiles));
var bindingContext = GetBindingContext(typeof(IEnumerable <IFormFile>), httpContext);
var binder = new FormFileModelBinder();
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.True(result.IsModelSet);
var entry = bindingContext.ValidationState[result.Model];
Assert.True(entry.SuppressValidation);
Assert.Equal("file", entry.Key);
Assert.Null(entry.Metadata);
}