56f157bb8a
This is the first change to add unit tests for the public APIs in minigbm. Only tests 3 APIs here for now, and just added some very simple input for each api testing. The ultimate goal would be cover more APIs and the input combinations. BUG=b:304380938 TEST=cros_workon_make --board=guybrush minigbm --test TEST=cros_run_unit_tests --board guybrush --packages "minigbm" TEST=CQ Change-Id: Id15806b7bc6cd9c4764bf08becec6546d72bb117 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/4923791 Commit-Queue: Dawn Han <dawnhan@google.com> Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org> Tested-by: Dawn Han <dawnhan@google.com>
82 lines
2 KiB
C++
82 lines
2 KiB
C++
/* Copyright 2023 The ChromiumOS Authors
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Test gbm.h module code using gtest.
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*/
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#include <drm/drm_fourcc.h>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <xf86drm.h>
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#include "gbm.h"
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class MockDrm
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{
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public:
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MOCK_METHOD(drmVersionPtr, drmGetVersion, (int fd));
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MOCK_METHOD(void, drmFreeVersion, (drmVersionPtr v));
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};
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// Define a mock version of drmGetVersion
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drmVersionPtr drmGetVersion(int fd)
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{
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drmVersionPtr mock_version = new drmVersion();
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mock_version->name = "Mock Backend";
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return mock_version;
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}
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// Define a mock version of drmFreeVersion
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void drmFreeVersion(drmVersionPtr v)
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{
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delete(v);
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}
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/* TODO : This is a protocol to add unit tests for the public APIs in minigbm.
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*
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* The ultimate goal would be cover more APIs and the input combinations.
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* Set fd to 0 for now, it doesn't have any particular meaning
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*/
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TEST(gbm_unit_test, create_device)
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{
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MockDrm mock_drm; // Create a mock object
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EXPECT_CALL(mock_drm, drmGetVersion(testing::_))
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.WillRepeatedly(testing::Invoke(&mock_drm, &MockDrm::drmGetVersion));
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struct gbm_device *gbm_device = gbm_create_device(0);
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ASSERT_TRUE(gbm_device);
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gbm_device_destroy(gbm_device);
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}
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TEST(gbm_unit_test, valid_fd)
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{
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MockDrm mock_drm; // Create a mock object
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EXPECT_CALL(mock_drm, drmGetVersion(testing::_))
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.WillRepeatedly(testing::Invoke(&mock_drm, &MockDrm::drmGetVersion));
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struct gbm_device *gbm_device = gbm_create_device(99);
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int fd = gbm_device_get_fd(gbm_device);
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ASSERT_EQ(fd, 99);
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gbm_device_destroy(gbm_device);
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}
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TEST(gbm_unit_test, valid_backend_name)
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{
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MockDrm mock_drm; // Create a mock object
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EXPECT_CALL(mock_drm, drmGetVersion(testing::_))
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.WillRepeatedly(testing::Invoke(&mock_drm, &MockDrm::drmGetVersion));
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struct gbm_device *gbm_device = gbm_create_device(0);
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const char *backend_name = gbm_device_get_backend_name(gbm_device);
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ASSERT_STREQ(backend_name, "Mock Backend");
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gbm_device_destroy(gbm_device);
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}
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