1 //
2 //
3 // Copyright 2018 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18
19 #include <stdio.h>
20 #include <string.h>
21
22 #include <gtest/gtest.h>
23
24 #include <grpc/support/alloc.h>
25 #include <grpc/support/log.h>
26 #include <grpc/support/port_platform.h>
27
28 #include "src/core/lib/gpr/tmpfile.h"
29 #include "src/core/lib/gprpp/crash.h"
30 #include "src/core/lib/security/credentials/alts/check_gcp_environment.h"
31
32 #if GPR_LINUX
33
check_bios_data_linux_test(const char * data)34 static bool check_bios_data_linux_test(const char* data) {
35 // Create a file with contents data.
36 char* filename = nullptr;
37 FILE* fp = gpr_tmpfile("check_gcp_environment_test", &filename);
38 EXPECT_NE(filename, nullptr);
39 EXPECT_NE(fp, nullptr);
40 EXPECT_EQ(fwrite(data, 1, strlen(data), fp), strlen(data));
41 fclose(fp);
42 bool result = grpc_core::internal::check_bios_data(
43 reinterpret_cast<const char*>(filename));
44 // Cleanup.
45 remove(filename);
46 gpr_free(filename);
47 return result;
48 }
49
TEST(CheckGcpEnvironmentLinuxTest,GcpEnvironmentCheckSuccess)50 TEST(CheckGcpEnvironmentLinuxTest, GcpEnvironmentCheckSuccess) {
51 // Exact match.
52 ASSERT_TRUE(check_bios_data_linux_test("Google"));
53 ASSERT_TRUE(check_bios_data_linux_test("Google Compute Engine"));
54 // With leading and trailing whitespaces.
55 ASSERT_TRUE(check_bios_data_linux_test(" Google "));
56 ASSERT_TRUE(check_bios_data_linux_test("Google "));
57 ASSERT_TRUE(check_bios_data_linux_test(" Google"));
58 ASSERT_TRUE(check_bios_data_linux_test(" Google Compute Engine "));
59 ASSERT_TRUE(check_bios_data_linux_test("Google Compute Engine "));
60 ASSERT_TRUE(check_bios_data_linux_test(" Google Compute Engine"));
61 // With leading and trailing \t and \n.
62 ASSERT_TRUE(check_bios_data_linux_test("\t\tGoogle Compute Engine\t"));
63 ASSERT_TRUE(check_bios_data_linux_test("Google Compute Engine\n"));
64 ASSERT_TRUE(check_bios_data_linux_test("\n\n\tGoogle Compute Engine \n\t\t"));
65 }
66
TEST(CheckGcpEnvironmentLinuxTest,GcpEnvironmentCheckFailure)67 TEST(CheckGcpEnvironmentLinuxTest, GcpEnvironmentCheckFailure) {
68 ASSERT_FALSE(check_bios_data_linux_test("non_existing-file"));
69 ASSERT_FALSE(check_bios_data_linux_test("Google-Chrome"));
70 ASSERT_FALSE(check_bios_data_linux_test("Amazon"));
71 ASSERT_FALSE(check_bios_data_linux_test("Google-Chrome\t\t"));
72 ASSERT_FALSE(check_bios_data_linux_test("Amazon"));
73 ASSERT_FALSE(check_bios_data_linux_test("\n"));
74 }
75
76 #endif // GPR_LINUX
77
main(int argc,char ** argv)78 int main(int argc, char** argv) {
79 ::testing::InitGoogleTest(&argc, argv);
80 return RUN_ALL_TESTS();
81 }
82