135 lines
6.0 KiB
C++
135 lines
6.0 KiB
C++
//* Copyright 2017 The Dawn Authors
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//*
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//* Licensed under the Apache License, Version 2.0 (the "License");
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//* you may not use this file except in compliance with the License.
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//* You may obtain a copy of the License at
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//*
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//* http://www.apache.org/licenses/LICENSE-2.0
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//*
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//* Unless required by applicable law or agreed to in writing, software
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//* distributed under the License is distributed on an "AS IS" BASIS,
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//* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//* See the License for the specific language governing permissions and
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//* limitations under the License.
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#ifndef MOCK_WEBGPU_H
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#define MOCK_WEBGPU_H
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#include <dawn/dawn_proc_table.h>
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#include <dawn/webgpu.h>
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#include <gmock/gmock.h>
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#include <memory>
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// An abstract base class representing a proc table so that API calls can be mocked. Most API calls
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// are directly represented by a delete virtual method but others need minimal state tracking to be
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// useful as mocks.
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class ProcTableAsClass {
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public:
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virtual ~ProcTableAsClass();
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void GetProcTableAndDevice(DawnProcTable* table, WGPUDevice* device);
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// Creates an object that can be returned by a mocked call as in WillOnce(Return(foo)).
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// It returns an object of the write type that isn't equal to any previously returned object.
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// Otherwise some mock expectation could be triggered by two different objects having the same
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// value.
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{% for type in by_category["object"] %}
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{{as_cType(type.name)}} GetNew{{type.name.CamelCase()}}();
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{% endfor %}
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{% for type in by_category["object"] %}
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{% for method in type.methods if not has_callback_arguments(method) %}
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virtual {{as_cType(method.return_type.name)}} {{as_MethodSuffix(type.name, method.name)}}(
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{{-as_cType(type.name)}} {{as_varName(type.name)}}
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{%- for arg in method.arguments -%}
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, {{as_annotated_cType(arg)}}
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{%- endfor -%}
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) = 0;
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{% endfor %}
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virtual void {{as_MethodSuffix(type.name, Name("reference"))}}({{as_cType(type.name)}} self) = 0;
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virtual void {{as_MethodSuffix(type.name, Name("release"))}}({{as_cType(type.name)}} self) = 0;
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{% for method in type.methods if has_callback_arguments(method) %}
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{% set Suffix = as_MethodSuffix(type.name, method.name) %}
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//* Stores callback and userdata and calls the On* method.
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{{as_cType(method.return_type.name)}} {{Suffix}}(
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{{-as_cType(type.name)}} {{as_varName(type.name)}}
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{%- for arg in method.arguments -%}
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, {{as_annotated_cType(arg)}}
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{%- endfor -%}
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);
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//* The virtual function to call after saving the callback and userdata in the proc.
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//* This function can be mocked.
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virtual {{as_cType(method.return_type.name)}} On{{Suffix}}(
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{{-as_cType(type.name)}} {{as_varName(type.name)}}
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{%- for arg in method.arguments -%}
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, {{as_annotated_cType(arg)}}
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{%- endfor -%}
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) = 0;
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//* Calls the stored callback.
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{% for callback_arg in method.arguments if callback_arg.type.category == 'function pointer' %}
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void Call{{as_MethodSuffix(type.name, method.name)}}Callback(
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{{-as_cType(type.name)}} {{as_varName(type.name)}}
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{%- for arg in callback_arg.type.arguments -%}
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{%- if not loop.last -%}, {{as_annotated_cType(arg)}}{%- endif -%}
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{%- endfor -%}
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);
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{% endfor %}
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{% endfor %}
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{% endfor %}
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struct Object {
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ProcTableAsClass* procs = nullptr;
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{% for type in by_category["object"] %}
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{% for method in type.methods if has_callback_arguments(method) %}
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{% for callback_arg in method.arguments if callback_arg.type.category == 'function pointer' %}
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{{as_cType(callback_arg.type.name)}} m{{as_MethodSuffix(type.name, method.name)}}Callback = nullptr;
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{% endfor %}
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{% endfor %}
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{% endfor %}
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void* userdata = 0;
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};
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private:
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// Remembers the values returned by GetNew* so they can be freed.
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std::vector<std::unique_ptr<Object>> mObjects;
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};
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class MockProcTable : public ProcTableAsClass {
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public:
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MockProcTable();
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~MockProcTable() override;
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void IgnoreAllReleaseCalls();
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{% for type in by_category["object"] %}
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{% for method in type.methods if not has_callback_arguments(method) %}
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MOCK_METHOD({{as_cType(method.return_type.name)}},{{" "}}
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{{-as_MethodSuffix(type.name, method.name)}}, (
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{{-as_cType(type.name)}} {{as_varName(type.name)}}
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{%- for arg in method.arguments -%}
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, {{as_annotated_cType(arg)}}
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{%- endfor -%}
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), (override));
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{% endfor %}
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MOCK_METHOD(void, {{as_MethodSuffix(type.name, Name("reference"))}}, ({{as_cType(type.name)}} self), (override));
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MOCK_METHOD(void, {{as_MethodSuffix(type.name, Name("release"))}}, ({{as_cType(type.name)}} self), (override));
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{% for method in type.methods if has_callback_arguments(method) %}
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MOCK_METHOD({{as_cType(method.return_type.name)}},{{" "-}}
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On{{as_MethodSuffix(type.name, method.name)}}, (
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{{-as_cType(type.name)}} {{as_varName(type.name)}}
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{%- for arg in method.arguments -%}
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, {{as_annotated_cType(arg)}}
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{%- endfor -%}
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), (override));
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{% endfor %}
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{% endfor %}
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};
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#endif // MOCK_WEBGPU_H
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