[edk2-devel] [PATCH EDK2 v3 1/1] MdeModulePkg/UefiSortLib:Add UefiSortLib unit test

Wu, Hao A hao.a.wu at intel.com
Wed Aug 11 08:32:57 UTC 2021


> -----Original Message-----
> From: Wenyi Xie <xiewenyi2 at huawei.com>
> Sent: Wednesday, August 11, 2021 2:36 PM
> To: devel at edk2.groups.io; Wang, Jian J <jian.j.wang at intel.com>; Wu, Hao A
> <hao.a.wu at intel.com>
> Cc: songdongkuang at huawei.com; xiewenyi2 at huawei.com
> Subject: [PATCH EDK2 v3 1/1] MdeModulePkg/UefiSortLib:Add UefiSortLib
> unit test
> 
> Adding two unit test case for UefiSortLib. One is a test on sorting an array of
> UINT32 by using PerformQuickSort, another is a test on comparing the same
> buffer by using StringCompare.
> Add 'main' function name to ECC exception list to avoid ECC error.


Reviewed-by: Hao A Wu <hao.a.wu at intel.com>

Hello Liming,

Since the patch looks more like a feature than a bugfix to me, I would like to confirm that can I merge this change now?
I already gave my 'R-b' tag for the V2 patch on 29th July, but met some ECC check issues during previous merging attempt.
I verified that the latest patch can pass the merging test (https://github.com/tianocore/edk2/pull/1892).

Best Regards,
Hao Wu


> 
> Cc: Jian J Wang <jian.j.wang at intel.com>
> Cc: Hao A Wu <hao.a.wu at intel.com>
> Signed-off-by: Wenyi Xie <xiewenyi2 at huawei.com>
> ---
>  MdeModulePkg/Test/MdeModulePkgHostTest.dsc                        |   6 +
>  MdeModulePkg/Library/UefiSortLib/UnitTest/UefiSortLibUnitTest.inf |  32
> +++
>  MdeModulePkg/Library/UefiSortLib/UnitTest/UefiSortLibUnitTest.c   | 207
> ++++++++++++++++++++
>  MdeModulePkg/MdeModulePkg.ci.yaml                                 |   1 +
>  4 files changed, 246 insertions(+)
> 
> diff --git a/MdeModulePkg/Test/MdeModulePkgHostTest.dsc
> b/MdeModulePkg/Test/MdeModulePkgHostTest.dsc
> index 4da4692c8451..c9ec835df65d 100644
> --- a/MdeModulePkg/Test/MdeModulePkgHostTest.dsc
> +++ b/MdeModulePkg/Test/MdeModulePkgHostTest.dsc
> @@ -41,3 +41,9 @@ [Components]
>      <PcdsFixedAtBuild>
> 
> gEfiMdeModulePkgTokenSpaceGuid.PcdAllowVariablePolicyEnforcementDis
> able|TRUE
>    }
> +
> +  MdeModulePkg/Library/UefiSortLib/UnitTest/UefiSortLibUnitTest.inf {
> +    <LibraryClasses>
> +      UefiSortLib|MdeModulePkg/Library/UefiSortLib/UefiSortLib.inf
> +
> + DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
> +  }
> diff --git
> a/MdeModulePkg/Library/UefiSortLib/UnitTest/UefiSortLibUnitTest.inf
> b/MdeModulePkg/Library/UefiSortLib/UnitTest/UefiSortLibUnitTest.inf
> new file mode 100644
> index 000000000000..85d8dcd69619
> --- /dev/null
> +++ b/MdeModulePkg/Library/UefiSortLib/UnitTest/UefiSortLibUnitTest.inf
> @@ -0,0 +1,32 @@
> +## @file
> +# This is a unit test for the UefiSortLib.
> +#
> +# Copyright (C) Huawei Technologies Co., Ltd. All rights reserved #
> +SPDX-License-Identifier: BSD-2-Clause-Patent ##
> +
> +[Defines]
> +  INF_VERSION         = 0x00010017
> +  BASE_NAME           = UefiSortLibUnitTest
> +  FILE_GUID           = 271337A3-0D79-BA3E-BC03-714E518E3B1B
> +  VERSION_STRING      = 1.0
> +  MODULE_TYPE         = HOST_APPLICATION
> +
> +#
> +# The following information is for reference only and not required by the
> build tools.
> +#
> +#  VALID_ARCHITECTURES           = IA32 X64
> +#
> +
> +[Sources]
> +  UefiSortLibUnitTest.c
> +
> +[Packages]
> +  MdePkg/MdePkg.dec
> +  MdeModulePkg/MdeModulePkg.dec
> +  UnitTestFrameworkPkg/UnitTestFrameworkPkg.dec
> +
> +[LibraryClasses]
> +  UnitTestLib
> +  DebugLib
> +  UefiSortLib
> diff --git
> a/MdeModulePkg/Library/UefiSortLib/UnitTest/UefiSortLibUnitTest.c
> b/MdeModulePkg/Library/UefiSortLib/UnitTest/UefiSortLibUnitTest.c
> new file mode 100644
> index 000000000000..4f44a02c5b5d
> --- /dev/null
> +++ b/MdeModulePkg/Library/UefiSortLib/UnitTest/UefiSortLibUnitTest.c
> @@ -0,0 +1,207 @@
> +/** @file
> +  Unit tests of the UefiSortLib
> +
> +  Copyright (C) Huawei Technologies Co., Ltd. All rights reserved
> +  SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include <stdio.h>
> +#include <string.h>
> +#include <stdarg.h>
> +#include <stddef.h>
> +#include <setjmp.h>
> +#include <cmocka.h>
> +
> +#include <Uefi.h>
> +#include <Library/BaseLib.h>
> +#include <Library/DebugLib.h>
> +#include <Library/MemoryAllocationLib.h>
> +
> +#include <Library/UnitTestLib.h>
> +#include <Library/SortLib.h>
> +
> +#define UNIT_TEST_APP_NAME        "UefiSortLib Unit Tests"
> +#define UNIT_TEST_APP_VERSION     "1.0"
> +
> +#define TEST_ARRAY_SIZE_9         9
> +
> +/**
> +  The function is called by PerformQuickSort to compare int values.
> +
> +  @param[in] Left            The pointer to first buffer.
> +  @param[in] Right           The pointer to second buffer.
> +
> +  @retval 0                  Buffer1 equal to Buffer2.
> +  @return <0                 Buffer1 is less than Buffer2.
> +  @return >0                 Buffer1 is greater than Buffer2.
> +
> +**/
> +INTN
> +EFIAPI
> +TestCompareFunction (
> +  IN CONST VOID                         *Left,
> +  IN CONST VOID                         *Right
> +  )
> +{
> +  if (*(UINT32*)Right > *(UINT32*)Left) {
> +    return 1;
> +  } else if (*(UINT32*)Right < *(UINT32*)Left) {
> +    return -1;
> +  }
> +
> +  return 0;
> +}
> +
> +/**
> +  Unit test for PerformQuickSort () API of the UefiSortLib.
> +
> +  @param[in]  Context    [Optional] An optional parameter that enables:
> +                         1) test-case reuse with varied parameters and
> +                         2) test-case re-entry for Target tests that need a
> +                         reboot.  This parameter is a VOID* and it is the
> +                         responsibility of the test author to ensure that the
> +                         contents are well understood by all test cases that may
> +                         consume it.
> +
> +  @retval  UNIT_TEST_PASSED             The Unit test has completed and the
> test
> +                                        case was successful.
> +  @retval  UNIT_TEST_ERROR_TEST_FAILED  A test case assertion has failed.
> +**/
> +UNIT_TEST_STATUS
> +EFIAPI
> +SortUINT32ArrayShouldSucceed (
> +  IN UNIT_TEST_CONTEXT  Context
> +  )
> +{
> +  UINTN  TestCount;
> +  UINT32 Index;
> +  UINT32 TestBuffer[TEST_ARRAY_SIZE_9];
> +  UINT32 TestResult[TEST_ARRAY_SIZE_9];
> +
> +  TestCount = TEST_ARRAY_SIZE_9;
> +  for (Index = 0; Index < TEST_ARRAY_SIZE_9; Index++) {
> +    TestBuffer[Index] = Index + 1;
> +    TestResult[Index] = TEST_ARRAY_SIZE_9 - Index;  }
> +
> +  PerformQuickSort (TestBuffer, TestCount, sizeof (UINT32),
> + (SORT_COMPARE)TestCompareFunction);
> +  UT_ASSERT_MEM_EQUAL (TestBuffer, TestResult, sizeof (UINT32) *
> + TEST_ARRAY_SIZE_9);
> +
> +  return UNIT_TEST_PASSED;
> +}
> +
> +/**
> +  Unit test for StringCompare () API of the UefiSortLib.
> +
> +  @param[in]  Context    [Optional] An optional parameter that enables:
> +                         1) test-case reuse with varied parameters and
> +                         2) test-case re-entry for Target tests that need a
> +                         reboot.  This parameter is a VOID* and it is the
> +                         responsibility of the test author to ensure that the
> +                         contents are well understood by all test cases that may
> +                         consume it.
> +
> +  @retval  UNIT_TEST_PASSED             The Unit test has completed and the
> test
> +                                        case was successful.
> +  @retval  UNIT_TEST_ERROR_TEST_FAILED  A test case assertion has failed.
> +**/
> +UNIT_TEST_STATUS
> +EFIAPI
> +CompareSameBufferShouldSucceed (
> +  IN UNIT_TEST_CONTEXT  Context
> +  )
> +{
> +  INTN retval;
> +  CONST CHAR16* TestBuffer[] = { L"abcdefg" };
> +
> +  retval = StringCompare (TestBuffer, TestBuffer);  UT_ASSERT_TRUE
> + (retval == 0);
> +
> +  return UNIT_TEST_PASSED;
> +}
> +
> +/**
> +  Initialze the unit test framework, suite, and unit tests for the
> +  UefiSortLib and run the UefiSortLib unit test.
> +
> +  @retval  EFI_SUCCESS           All test cases were dispatched.
> +  @retval  EFI_OUT_OF_RESOURCES  There are not enough resources
> available to
> +                                 initialize the unit tests.
> +**/
> +STATIC
> +EFI_STATUS
> +EFIAPI
> +UnitTestingEntry (
> +  VOID
> +  )
> +{
> +  EFI_STATUS                  Status;
> +  UNIT_TEST_FRAMEWORK_HANDLE  Framework;
> +  UNIT_TEST_SUITE_HANDLE      SortTests;
> +
> +  Framework = NULL;
> +
> +  DEBUG(( DEBUG_INFO, "%a v%a\n", UNIT_TEST_APP_NAME,
> + UNIT_TEST_APP_VERSION ));
> +
> +  //
> +  // Start setting up the test framework for running the tests.
> +  //
> +  Status = InitUnitTestFramework (&Framework, UNIT_TEST_APP_NAME,
> + gEfiCallerBaseName, UNIT_TEST_APP_VERSION);  if (EFI_ERROR (Status)) {
> +    DEBUG ((DEBUG_ERROR, "Failed in InitUnitTestFramework. Status
> = %r\n", Status));
> +    goto EXIT;
> +  }
> +
> +  //
> +  // Populate the UefiSortLib Unit Test Suite.
> +  //
> +  Status = CreateUnitTestSuite (&SortTests, Framework, "UefiSortLib
> + Sort Tests", "UefiSortLib.SortLib", NULL, NULL);  if (EFI_ERROR (Status)) {
> +    DEBUG ((DEBUG_ERROR, "Failed in CreateUnitTestSuite for UefiSortLib
> API Tests\n"));
> +    Status = EFI_OUT_OF_RESOURCES;
> +    goto EXIT;
> +  }
> +
> +  //
> +  //
> + --------------Suite--------Description------------Name--------------Fu
> + nction----------------Pre---Post---Context-----------
> +  //
> +  AddTestCase (SortTests, "Sort the Array",        "Sort",
> SortUINT32ArrayShouldSucceed,   NULL, NULL, NULL);
> +  AddTestCase (SortTests, "Compare the Buffer",    "Compare",
> CompareSameBufferShouldSucceed, NULL, NULL, NULL);
> +
> +  //
> +  // Execute the tests.
> +  //
> +  Status = RunAllTestSuites (Framework);
> +
> +EXIT:
> +  if (Framework) {
> +    FreeUnitTestFramework (Framework);
> +  }
> +
> +  return Status;
> +}
> +
> +///
> +/// Avoid ECC error for function name that starts with lower case
> +letter /// #define UefiSortLibUnitTestMain main
> +
> +/**
> +  Standard POSIX C entry point for host based unit test execution.
> +
> +  @param[in] Argc  Number of arguments
> +  @param[in] Argv  Array of pointers to arguments
> +
> +  @retval 0      Success
> +  @retval other  Error
> +**/
> +INT32
> +UefiSortLibUnitTestMain (
> +  IN INT32  Argc,
> +  IN CHAR8  *Argv[]
> +  )
> +{
> +  UnitTestingEntry ();
> +  return 0;
> +}
> diff --git a/MdeModulePkg/MdeModulePkg.ci.yaml
> b/MdeModulePkg/MdeModulePkg.ci.yaml
> index 8e01caf94cbf..aa304f2ccd5c 100644
> --- a/MdeModulePkg/MdeModulePkg.ci.yaml
> +++ b/MdeModulePkg/MdeModulePkg.ci.yaml
> @@ -19,6 +19,7 @@
>          "ExceptionList": [
>              "8005", "UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE.UID",
>              "8005", "UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGE.HID",
> +            "8001", "UefiSortLibUnitTestMain",
>          ],
>          ## Both file path and directory path are accepted.
>          "IgnoreFiles": [
> --
> 2.20.1.windows.1



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