IACore v1.2

Tests/Unit/ProcessOps.cpp

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+// IACore-OSS; The Core Library for All IA Open Source Projects
+// Copyright (C) 2026 IAS (ias@iasoft.dev)
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <IACore/IATest.hpp>
+#include <IACore/ProcessOps.hpp>
+
+using namespace IACore;
+
+#if IA_PLATFORM_WINDOWS
+#define CMD_ECHO_EXE "cmd.exe"
+#define CMD_ARG_PREFIX "/c echo"
+#define NULL_DEVICE "NUL"
+#else
+#define CMD_ECHO_EXE "/bin/echo"
+#define CMD_ARG_PREFIX ""
+#define NULL_DEVICE "/dev/null"
+#endif
+
+IAT_BEGIN_BLOCK(Core, ProcessOps)
+
+auto test_basic_run() -> bool {
+
+  String captured;
+
+  const auto result =
+      ProcessOps::spawn_process_sync(CMD_ECHO_EXE, CMD_ARG_PREFIX " HelloIA",
+                                     [&](StringView line) { captured = line; });
+
+  IAT_CHECK(result.has_value());
+  IAT_CHECK_EQ(*result, 0);
+
+  IAT_CHECK(captured.find("HelloIA") != String::npos);
+
+  return true;
+}
+
+auto test_arguments() -> bool {
+  Vec<String> lines;
+
+  String args = String(CMD_ARG_PREFIX) + " one two";
+  if (!args.empty() && args[0] == ' ') {
+    args.erase(0, 1);
+  }
+
+  const auto result =
+      ProcessOps::spawn_process_sync(CMD_ECHO_EXE, args, [&](StringView line) {
+        lines.push_back(String(line));
+      });
+
+  IAT_CHECK_EQ(*result, 0);
+  IAT_CHECK(lines.size() > 0);
+
+  IAT_CHECK(lines[0].find("one two") != String::npos);
+
+  return true;
+}
+
+auto test_exit_codes() -> bool {
+
+  String cmd;
+  String arg;
+
+#if IA_PLATFORM_WINDOWS
+  cmd = "cmd.exe";
+  arg = "/c exit 42";
+#else
+  cmd = "/bin/sh";
+  arg = "-c \"exit 42\"";
+#endif
+
+  const auto result =
+      ProcessOps::spawn_process_sync(cmd, arg, [](StringView) {});
+
+  IAT_CHECK(result.has_value());
+  IAT_CHECK_EQ(*result, 42);
+
+  return true;
+}
+
+auto test_missing_exe() -> bool {
+
+  const auto result =
+      ProcessOps::spawn_process_sync("sdflkjghsdflkjg", "", [](StringView) {});
+
+#if IA_PLATFORM_WINDOWS
+  IAT_CHECK_NOT(result.has_value());
+#else
+
+  IAT_CHECK(result.has_value());
+  IAT_CHECK_EQ(*result, 127);
+#endif
+
+  return true;
+}
+
+auto test_large_output() -> bool {
+
+  String massive_string;
+  massive_string.reserve(5000);
+  for (i32 i = 0; i < 500; ++i) {
+    massive_string += "1234567890";
+  }
+
+  String cmd;
+  String arg;
+
+#if IA_PLATFORM_WINDOWS
+  cmd = "cmd.exe";
+
+  arg = "/c echo " + massive_string;
+#else
+  cmd = "/bin/echo";
+  arg = massive_string;
+#endif
+
+  String captured;
+  const auto result = ProcessOps::spawn_process_sync(
+      cmd, arg, [&](StringView line) { captured += line; });
+
+  IAT_CHECK(result.has_value());
+  IAT_CHECK_EQ(*result, 0);
+
+  IAT_CHECK_EQ(captured.length(), massive_string.length());
+
+  return true;
+}
+
+auto test_multi_line() -> bool {
+
+  String cmd;
+  String arg;
+#if IA_PLATFORM_WINDOWS
+  cmd = "cmd.exe";
+  arg = "/c \"echo LineA && echo LineB\"";
+#else
+  cmd = "/bin/sh";
+  arg = "-c \"echo LineA; echo LineB\"";
+#endif
+
+  i32 line_count = 0;
+  bool found_a = false;
+  bool found_b = false;
+
+  const auto res =
+      ProcessOps::spawn_process_sync(cmd, arg, [&](StringView line) {
+        line_count++;
+        if (line.find("LineA") != String::npos) {
+          found_a = true;
+        }
+        if (line.find("LineB") != String::npos) {
+          found_b = true;
+        }
+      });
+  IAT_CHECK(res.has_value());
+
+  IAT_CHECK(found_a);
+  IAT_CHECK(found_b);
+
+  IAT_CHECK(line_count >= 2);
+
+  return true;
+}
+
+auto test_complex_arguments() -> bool {
+
+  const String complex_args =
+      "-DDEFINED_MSG=\\\"Hello World\\\" -v path/to/file";
+
+  const String cmd = CMD_ECHO_EXE;
+
+  String final_args;
+#if IA_PLATFORM_WINDOWS
+  final_args = "/c echo " + complex_args;
+#else
+  final_args = complex_args;
+#endif
+
+  String captured;
+  const auto result = ProcessOps::spawn_process_sync(
+      cmd, final_args, [&](StringView line) { captured += line; });
+
+  IAT_CHECK(result.has_value());
+  IAT_CHECK_EQ(*result, 0);
+
+  IAT_CHECK(captured.find("Hello World") != String::npos);
+  return true;
+}
+
+IAT_BEGIN_TEST_LIST()
+IAT_ADD_TEST(test_basic_run);
+IAT_ADD_TEST(test_arguments);
+IAT_ADD_TEST(test_exit_codes);
+IAT_ADD_TEST(test_missing_exe);
+IAT_ADD_TEST(test_large_output);
+IAT_ADD_TEST(test_multi_line);
+IAT_ADD_TEST(test_complex_arguments);
+IAT_END_TEST_LIST()
+
+IAT_END_BLOCK()
+
+IAT_REGISTER_ENTRY(Core, ProcessOps)