Print ocloc cmdline after compilation fail

Related-To: NEO-4784

Change-Id: I451d6e0a67fc185d610e5d2dd4ff6a3f6542ca4c
Signed-off-by: Konstanty Misiak <konstanty.misiak@intel.com>

opencl/test/unit_test/offline_compiler/CMakeLists.txt

@@ -51,6 +51,7 @@ set(IGDRCL_SRCS_offline_compiler_tests
     ${CMAKE_CURRENT_SOURCE_DIR}/decoder/encoder_tests.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/environment.h
     ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/ocloc_api_tests.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/ocloc_fatbinary_tests.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/ocloc_fatbinary_tests.h
     ${CMAKE_CURRENT_SOURCE_DIR}/ocloc_validator_tests.cpp

opencl/test/unit_test/offline_compiler/ocloc_api_tests.cpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "shared/offline_compiler/source/ocloc_api.h"
+#include "shared/offline_compiler/source/offline_compiler.h"
+
+#include "environment.h"
+#include "gtest/gtest.h"
+
+#include <string>
+
+extern Environment *gEnvironment;
+
+using namespace std::string_literals;
+
+TEST(OclocApiTests, WhenGoodArgsAreGivenThenSuccessIsReturned) {
+    const char *argv[] = {
+        "ocloc",
+        "-file",
+        "test_files/copybuffer.cl",
+        "-device",
+        gEnvironment->devicePrefix.c_str()};
+    unsigned int argc = sizeof(argv) / sizeof(const char *);
+
+    testing::internal::CaptureStdout();
+    int retVal = oclocInvoke(argc, argv,
+                             0, nullptr, nullptr, nullptr,
+                             0, nullptr, nullptr, nullptr,
+                             nullptr, nullptr, nullptr, nullptr);
+    std::string output = testing::internal::GetCapturedStdout();
+
+    EXPECT_EQ(retVal, NEO::SUCCESS);
+    EXPECT_EQ(std::string::npos, output.find("Command was: ocloc -file test_files/copybuffer.cl -device "s + argv[4]));
+}
+
+TEST(OclocApiTests, WhenArgsWithMissingFileAreGivenThenErrorMessageIsProduced) {
+    const char *argv[] = {
+        "ocloc",
+        "-file",
+        "test_files/IDoNotExist.cl",
+        "-device",
+        gEnvironment->devicePrefix.c_str()};
+    unsigned int argc = sizeof(argv) / sizeof(const char *);
+
+    testing::internal::CaptureStdout();
+    int retVal = oclocInvoke(argc, argv,
+                             0, nullptr, nullptr, nullptr,
+                             0, nullptr, nullptr, nullptr,
+                             nullptr, nullptr, nullptr, nullptr);
+    std::string output = testing::internal::GetCapturedStdout();
+
+    EXPECT_EQ(retVal, NEO::INVALID_FILE);
+    EXPECT_NE(std::string::npos, output.find("Command was: ocloc -file test_files/IDoNotExist.cl -device "s + argv[4]));
+}

shared/offline_compiler/source/ocloc_api.cpp

@@ -58,6 +58,13 @@ Examples:
 )===";
 
 extern "C" {
+void printOclocCmdLine(unsigned int numArgs, const char *argv[], std::unique_ptr<OclocArgHelper> &helper) {
+    helper->printf("Command was:");
+    for (auto i = 0u; i < numArgs; ++i)
+        helper->printf(" %s", argv[i]);
+    helper->printf("\n");
+}
+
 int oclocInvoke(unsigned int numArgs, const char *argv[],
                 const uint32_t numSources, const uint8_t **dataSources, const uint64_t *lenSources, const char **nameSources,
                 const uint32_t numInputHeaders, const uint8_t **dataInputHeaders, const uint64_t *lenInputHeaders, const char **nameInputHeaders,
@@ -118,14 +125,20 @@ int oclocInvoke(unsigned int numArgs, const char *argv[],
                     helper->printf("Build failed with error code: %d\n", retVal);
                 }
             }
+
+            if (retVal != ErrorCode::SUCCESS)
+                printOclocCmdLine(numArgs, argv, helper);
+
             return retVal;
         }
     } catch (const std::exception &e) {
         helper->printf("%s\n", e.what());
+        printOclocCmdLine(numArgs, argv, helper);
         return -1;
     }
     return -1;
 }
+
 int oclocFreeOutput(uint32_t *numOutputs, uint8_t ***dataOutputs, uint64_t **lenOutputs, char ***nameOutputs) {
     for (uint32_t i = 0; i < *numOutputs; i++) {
         delete[](*dataOutputs)[i];