public void CanRead_ReturnsTrueOnlyForJsonPatchContentType(string requestContentType, bool expectedCanRead)
{
// Arrange
var formatter = new JsonPatchInputFormatter();
var content = "[{\"op\": \"add\", \"path\" : \"Customer/Name\", \"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var actionContext = GetActionContext(contentBytes, contentType: requestContentType);
var formatterContext = new InputFormatterContext(actionContext, typeof(JsonPatchDocument<Customer>));
// Act
var result = formatter.CanRead(formatterContext);
// Assert
Assert.Equal(expectedCanRead, result);
}
public void CanRead_ReturnsFalse_NonJsonPatchContentType(Type modelType)
{
// Arrange
var formatter = new JsonPatchInputFormatter();
var content = "[{\"op\": \"add\", \"path\" : \"Customer/Name\", \"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var actionContext = GetActionContext(contentBytes, contentType: "application/json-patch+json");
var formatterContext = new InputFormatterContext(actionContext, modelType);
// Act
var result = formatter.CanRead(formatterContext);
// Assert
Assert.False(result);
}
public void CanRead_ReturnsTrueOnlyForJsonPatchContentType(string requestContentType, bool expectedCanRead)
{
// Arrange
var formatter = new JsonPatchInputFormatter();
var content = "[{\"op\": \"add\", \"path\" : \"Customer/Name\", \"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var actionContext = GetActionContext(contentBytes, contentType: requestContentType);
var formatterContext = new InputFormatterContext(actionContext, typeof(JsonPatchDocument <Customer>));
// Act
var result = formatter.CanRead(formatterContext);
// Assert
Assert.Equal(expectedCanRead, result);
}
public async Task JsonPatchInputFormatter_ReadsOneOperation_Successfully()
{
// Arrange
var formatter = new JsonPatchInputFormatter();
var content = "[{\"op\":\"add\",\"path\":\"Customer/Name\",\"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var actionContext = GetActionContext(contentBytes);
var context = new InputFormatterContext(actionContext, typeof(JsonPatchDocument<Customer>));
// Act
var model = await formatter.ReadAsync(context);
// Assert
var patchDoc = Assert.IsType<JsonPatchDocument<Customer>>(model);
Assert.Equal("add", patchDoc.Operations[0].op);
Assert.Equal("Customer/Name", patchDoc.Operations[0].path);
Assert.Equal("John", patchDoc.Operations[0].value);
}
public async Task JsonPatchInputFormatter_ReturnsModelStateErrors_InvalidModelType()
{
// Arrange
var exceptionMessage = "Cannot deserialize the current JSON array (e.g. [1,2,3]) into type " +
"'Microsoft.AspNet.Mvc.JsonPatchInputFormatterTest+Customer' because the type requires a JSON object ";
var formatter = new JsonPatchInputFormatter();
var content = "[{\"op\": \"add\", \"path\" : \"Customer/Name\", \"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var actionContext = GetActionContext(contentBytes, contentType: "application/json-patch+json");
var context = new InputFormatterContext(actionContext, typeof(Customer));
// Act
var model = await formatter.ReadAsync(context);
// Assert
Assert.Contains(exceptionMessage, actionContext.ModelState[""].Errors[0].Exception.Message);
}
public async Task JsonPatchInputFormatter_ReadsOneOperation_Successfully()
{
// Arrange
var formatter = new JsonPatchInputFormatter();
var content = "[{\"op\":\"add\",\"path\":\"Customer/Name\",\"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var actionContext = GetActionContext(contentBytes);
var context = new InputFormatterContext(actionContext, typeof(JsonPatchDocument <Customer>));
// Act
var model = await formatter.ReadAsync(context);
// Assert
var patchDoc = Assert.IsType <JsonPatchDocument <Customer> >(model);
Assert.Equal("add", patchDoc.Operations[0].op);
Assert.Equal("Customer/Name", patchDoc.Operations[0].path);
Assert.Equal("John", patchDoc.Operations[0].value);
}
public void CanRead_ReturnsFalse_NonJsonPatchContentType(Type modelType)
{
// Arrange
var formatter = new JsonPatchInputFormatter();
var content = "[{\"op\": \"add\", \"path\" : \"Customer/Name\", \"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes, contentType: "application/json-patch+json");
var formatterContext = new InputFormatterContext(httpContext, modelState, modelType);
// Act
var result = formatter.CanRead(formatterContext);
// Assert
Assert.False(result);
}
public async Task JsonPatchInputFormatter_ReturnsModelStateErrors_InvalidModelType()
{
// Arrange
var exceptionMessage = "Cannot deserialize the current JSON array (e.g. [1,2,3]) into type " +
"'Microsoft.AspNet.Mvc.JsonPatchInputFormatterTest+Customer' because the type requires a JSON object ";
var formatter = new JsonPatchInputFormatter();
var content = "[{\"op\": \"add\", \"path\" : \"Customer/Name\", \"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes, contentType: "application/json-patch+json");
var context = new InputFormatterContext(httpContext, modelState, typeof(Customer));
// Act
var model = await formatter.ReadAsync(context);
// Assert
Assert.Contains(exceptionMessage, modelState[""].Errors[0].Exception.Message);
}
