dawn-cmake/generator/templates/mock_api.h

116 lines
6.2 KiB
C++

//* Copyright 2017 The Dawn Authors
//*
//* Licensed under the Apache License, Version 2.0 (the "License");
//* you may not use this file except in compliance with the License.
//* You may obtain a copy of the License at
//*
//* http://www.apache.org/licenses/LICENSE-2.0
//*
//* Unless required by applicable law or agreed to in writing, software
//* distributed under the License is distributed on an "AS IS" BASIS,
//* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//* See the License for the specific language governing permissions and
//* limitations under the License.
#ifndef MOCK_NXT_H
#define MOCK_NXT_H
#include <gmock/gmock.h>
#include <nxt/nxt.h>
#include <memory>
// An abstract base class representing a proc table so that API calls can be mocked. Most API calls
// are directly represented by a delete virtual method but others need minimal state tracking to be
// useful as mocks.
class ProcTableAsClass {
public:
virtual ~ProcTableAsClass();
void GetProcTableAndDevice(nxtProcTable* table, nxtDevice* device);
// Creates an object that can be returned by a mocked call as in WillOnce(Return(foo)).
// It returns an object of the write type that isn't equal to any previously returned object.
// Otherwise some mock expectation could be triggered by two different objects having the same
// value.
{% for type in by_category["object"] %}
{{as_cType(type.name)}} GetNew{{type.name.CamelCase()}}();
{% endfor %}
{% for type in by_category["object"] %}
{% for method in type.methods if len(method.arguments) < 10 %}
virtual {{as_cType(method.return_type.name)}} {{as_MethodSuffix(type.name, method.name)}}(
{{-as_cType(type.name)}} {{as_varName(type.name)}}
{%- for arg in method.arguments -%}
, {{as_annotated_cType(arg)}}
{%- endfor -%}
) = 0;
{% endfor %}
virtual void {{as_MethodSuffix(type.name, Name("reference"))}}({{as_cType(type.name)}} self) = 0;
virtual void {{as_MethodSuffix(type.name, Name("release"))}}({{as_cType(type.name)}} self) = 0;
// Stores callback and userdata and calls OnBuilderSetErrorCallback
{% if type.is_builder %}
void {{as_MethodSuffix(type.name, Name("set error callback"))}}({{as_cType(type.name)}} self, nxtBuilderErrorCallback callback, nxtCallbackUserdata userdata1, nxtCallbackUserdata userdata2);
{% endif %}
{% endfor %}
// Stores callback and userdata and calls the On* methods
void DeviceSetErrorCallback(nxtDevice self, nxtDeviceErrorCallback callback, nxtCallbackUserdata userdata);
void BufferMapReadAsync(nxtBuffer self, uint32_t start, uint32_t size, nxtBufferMapReadCallback callback, nxtCallbackUserdata userdata);
void BufferMapWriteAsync(nxtBuffer self, uint32_t start, uint32_t size, nxtBufferMapWriteCallback callback, nxtCallbackUserdata userdata);
// Special cased mockable methods
virtual void OnDeviceSetErrorCallback(nxtDevice device, nxtDeviceErrorCallback callback, nxtCallbackUserdata userdata) = 0;
virtual void OnBuilderSetErrorCallback(nxtBufferBuilder builder, nxtBuilderErrorCallback callback, nxtCallbackUserdata userdata1, nxtCallbackUserdata userdata2) = 0;
virtual void OnBufferMapReadAsyncCallback(nxtBuffer buffer, uint32_t start, uint32_t size, nxtBufferMapReadCallback callback, nxtCallbackUserdata userdata) = 0;
virtual void OnBufferMapWriteAsyncCallback(nxtBuffer buffer, uint32_t start, uint32_t size, nxtBufferMapWriteCallback callback, nxtCallbackUserdata userdata) = 0;
// Calls the stored callbacks
void CallDeviceErrorCallback(nxtDevice device, const char* message);
void CallBuilderErrorCallback(void* builder , nxtBuilderErrorStatus status, const char* message);
void CallMapReadCallback(nxtBuffer buffer, nxtBufferMapAsyncStatus status, const void* data);
void CallMapWriteCallback(nxtBuffer buffer, nxtBufferMapAsyncStatus status, void* data);
struct Object {
ProcTableAsClass* procs = nullptr;
nxtDeviceErrorCallback deviceErrorCallback = nullptr;
nxtBuilderErrorCallback builderErrorCallback = nullptr;
nxtBufferMapReadCallback mapReadCallback = nullptr;
nxtBufferMapWriteCallback mapWriteCallback = nullptr;
nxtCallbackUserdata userdata1 = 0;
nxtCallbackUserdata userdata2 = 0;
};
private:
// Remembers the values returned by GetNew* so they can be freed.
std::vector<std::unique_ptr<Object>> mObjects;
};
class MockProcTable : public ProcTableAsClass {
public:
{% for type in by_category["object"] %}
{% for method in type.methods if len(method.arguments) < 10 %}
MOCK_METHOD{{len(method.arguments) + 1}}(
{{-as_MethodSuffix(type.name, method.name)}},
{{as_cType(method.return_type.name)}}(
{{-as_cType(type.name)}} {{as_varName(type.name)}}
{%- for arg in method.arguments -%}
, {{as_annotated_cType(arg)}}
{%- endfor -%}
));
{% endfor %}
MOCK_METHOD1({{as_MethodSuffix(type.name, Name("reference"))}}, void({{as_cType(type.name)}} self));
MOCK_METHOD1({{as_MethodSuffix(type.name, Name("release"))}}, void({{as_cType(type.name)}} self));
{% endfor %}
MOCK_METHOD3(OnDeviceSetErrorCallback, void(nxtDevice device, nxtDeviceErrorCallback callback, nxtCallbackUserdata userdata));
MOCK_METHOD4(OnBuilderSetErrorCallback, void(nxtBufferBuilder builder, nxtBuilderErrorCallback callback, nxtCallbackUserdata userdata1, nxtCallbackUserdata userdata2));
MOCK_METHOD5(OnBufferMapReadAsyncCallback, void(nxtBuffer buffer, uint32_t start, uint32_t size, nxtBufferMapReadCallback callback, nxtCallbackUserdata userdata));
MOCK_METHOD5(OnBufferMapWriteAsyncCallback, void(nxtBuffer buffer, uint32_t start, uint32_t size, nxtBufferMapWriteCallback callback, nxtCallbackUserdata userdata));
};
#endif // MOCK_NXT_H