| 1 | /*++ |
| 2 | |
| 3 | Copyright (c) Microsoft. All rights reserved. |
| 4 | |
| 5 | Module Name: |
| 6 | |
| 7 | WSLCCLIResourceLimitsParserUnitTests.cpp |
| 8 | |
| 9 | Abstract: |
| 10 | |
| 11 | This file contains unit tests for WSLC CLI resource-limit (--cpus, --memory, --ulimit) parsing and validation. |
| 12 | |
| 13 | --*/ |
| 14 | |
| 15 | #include "precomp.h" |
| 16 | #include "windows/Common.h" |
| 17 | #include "WSLCCLITestHelpers.h" |
| 18 | #include "ArgumentValidation.h" |
| 19 | |
| 20 | using namespace wsl::windows::wslc; |
| 21 | |
| 22 | namespace WSLCCLIResourceLimitsParserUnitTests { |
| 23 | |
| 24 | class WSLCCLIResourceLimitsParserUnitTests |
| 25 | { |
| 26 | WSLC_TEST_CLASS(WSLCCLIResourceLimitsParserUnitTests) |
| 27 | |
| 28 | TEST_METHOD(NanoCpus_Valid) |
| 29 | { |
| 30 | // (input, expected nanoCpus) |
| 31 | std::vector<std::pair<std::wstring, int64_t>> valid = { |
| 32 | {L"1", 1'000'000'000LL}, |
| 33 | {L"2", 2'000'000'000LL}, |
| 34 | {L"0.5", 500'000'000LL}, |
| 35 | {L"1.5", 1'500'000'000LL}, |
| 36 | {L"2.5", 2'500'000'000LL}, |
| 37 | {L"0.001", 1'000'000LL}, |
| 38 | }; |
| 39 | |
| 40 | for (const auto& [input, expected] : valid) |
| 41 | { |
| 42 | const auto actual = validation::GetNanoCpusFromString(input, L"cpus"); |
| 43 | VERIFY_ARE_EQUAL(expected, actual); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | TEST_METHOD(NanoCpus_Invalid) |
| 48 | { |
| 49 | // Each value should be rejected as an invalid --cpus value. |
| 50 | const std::vector<std::wstring> invalid = { |
| 51 | L"", |
| 52 | L"0", // not positive |
| 53 | L"-1", // sign char rejected |
| 54 | L"-0.5", // sign char rejected |
| 55 | L"abc", // not numeric |
| 56 | L"1.5x", // trailing garbage |
| 57 | L" 1", // leading whitespace |
| 58 | L"1 ", // trailing whitespace |
| 59 | L"1e3", // exponent not allowed |
| 60 | L"+1", // sign char rejected |
| 61 | L"1.2.3", // multiple dots (rejected by strtod's strict end check) |
| 62 | L"99999999999" // overflow when multiplied by 1e9 |
| 63 | }; |
| 64 | |
| 65 | for (const auto& input : invalid) |
| 66 | { |
| 67 | VERIFY_THROWS(validation::GetNanoCpusFromString(input, L"cpus"), ArgumentException); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | TEST_METHOD(Ulimit_Valid) |
| 72 | { |
| 73 | // (input, expectedName, expectedSoft, expectedHard) |
| 74 | std::vector<std::tuple<std::wstring, std::string, int64_t, int64_t>> valid = { |
| 75 | {L"nofile=1024", "nofile", 1024, 1024}, |
| 76 | {L"nofile=1024:2048", "nofile", 1024, 2048}, |
| 77 | {L"nproc=512:512", "nproc", 512, 512}, |
| 78 | {L"core=-1", "core", -1, -1}, |
| 79 | {L"core=-1:-1", "core", -1, -1}, |
| 80 | {L"memlock=0", "memlock", 0, 0}, |
| 81 | {L"stack=8192:-1", "stack", 8192, -1}, |
| 82 | }; |
| 83 | |
| 84 | for (const auto& [input, expectedName, expectedSoft, expectedHard] : valid) |
| 85 | { |
| 86 | const auto [name, soft, hard] = validation::ParseUlimit(input, L"ulimit"); |
| 87 | VERIFY_ARE_EQUAL(expectedName, name); |
| 88 | VERIFY_ARE_EQUAL(expectedSoft, soft); |
| 89 | VERIFY_ARE_EQUAL(expectedHard, hard); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | TEST_METHOD(Ulimit_Invalid) |
| 94 | { |
| 95 | const std::vector<std::wstring> invalid = { |
| 96 | L"", |
| 97 | L"=1024", // empty name |
| 98 | L"nofile=", // empty value |
| 99 | L"nofile", // missing '=' |
| 100 | L"nofile=abc", // non-numeric soft |
| 101 | L"nofile=1024:", // empty hard |
| 102 | L"nofile=:1024", // empty soft |
| 103 | L"nofile=-2", // negative other than -1 |
| 104 | L"nofile=1024:512", // hard < soft (and both positive) |
| 105 | L"nofile=-1:1024", // unlimited soft but limited hard |
| 106 | L"nofile=-1:9223372036854775807", // unlimited soft but finite (INT64_MAX) hard |
| 107 | L"nofile=1.5", // not integer |
| 108 | }; |
| 109 | |
| 110 | for (const auto& input : invalid) |
| 111 | { |
| 112 | VERIFY_THROWS(validation::ParseUlimit(input, L"ulimit"), ArgumentException); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | TEST_METHOD(NanoCpus_Validator) |
| 117 | { |
| 118 | VERIFY_NO_THROW(validation::ValidateNanoCpus({L"0.5", L"1", L"2.5"}, L"cpus")); |
| 119 | VERIFY_THROWS(validation::ValidateNanoCpus({L"1", L"0"}, L"cpus"), ArgumentException); |
| 120 | } |
| 121 | |
| 122 | TEST_METHOD(Ulimit_Validator) |
| 123 | { |
| 124 | VERIFY_NO_THROW(validation::ValidateUlimit({L"nofile=1024", L"core=-1"}, L"ulimit")); |
| 125 | VERIFY_THROWS(validation::ValidateUlimit({L"nofile=1024", L"bad"}, L"ulimit"), ArgumentException); |
| 126 | } |
| 127 | |
| 128 | TEST_METHOD(Duration_Valid) |
| 129 | { |
| 130 | std::vector<std::pair<std::wstring, int64_t>> valid = { |
| 131 | {L"0", 0LL}, |
| 132 | {L"0s", 0LL}, |
| 133 | {L"1ns", 1LL}, |
| 134 | {L"500ms", 500'000'000LL}, |
| 135 | {L"30s", 30'000'000'000LL}, |
| 136 | {L"1m", 60'000'000'000LL}, |
| 137 | {L"1m30s", 90'000'000'000LL}, |
| 138 | {L"1h", 3'600'000'000'000LL}, |
| 139 | {L"1.5h", 5'400'000'000'000LL}, |
| 140 | {L"2h45m", 9'900'000'000'000LL}, |
| 141 | {L"100us", 100'000LL}, |
| 142 | }; |
| 143 | |
| 144 | for (const auto& [input, expected] : valid) |
| 145 | { |
| 146 | const auto actual = validation::GetDurationNanosFromString(input, L"health-interval"); |
| 147 | VERIFY_ARE_EQUAL(expected, actual); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | TEST_METHOD(Duration_Invalid) |
| 152 | { |
| 153 | const std::vector<std::wstring> invalid = { |
| 154 | L"", L"-1", L"s", L"abc", L"30", L"30sec", L"30x", L"-30s", L"30 s", L"s", L"1.2.3s", L"9223372036854775808s"}; |
| 155 | |
| 156 | for (const auto& input : invalid) |
| 157 | { |
| 158 | VERIFY_THROWS(validation::GetDurationNanosFromString(input, L"health-interval"), ArgumentException); |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | TEST_METHOD(Duration_Validator) |
| 163 | { |
| 164 | VERIFY_NO_THROW(validation::ValidateDuration({L"30s", L"1m30s", L"0"}, L"health-interval")); |
| 165 | VERIFY_THROWS(validation::ValidateDuration({L"30s", L"bad"}, L"health-interval"), ArgumentException); |
| 166 | } |
| 167 | }; |
| 168 | |
| 169 | } // namespace WSLCCLIResourceLimitsParserUnitTests |