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packages/system/os/tests/rhai/02_download_operations.rhai

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+// 02_download_operations.rhai
+// Tests for download operations in the OS module
+
+// Custom assert function
+fn assert_true(condition, message) {
+    if !condition {
+        print(`ASSERTION FAILED: ${message}`);
+        throw message;
+    }
+}
+
+// Create a test directory
+let test_dir = "rhai_test_download";
+mkdir(test_dir);
+print(`Created test directory: ${test_dir}`);
+
+// Test which function to ensure curl is available
+let curl_path = which("curl");
+if curl_path == "" {
+    print("Warning: curl not found, download tests may fail");
+} else {
+    print(`✓ which: curl found at ${curl_path}`);
+}
+
+// Test cmd_ensure_exists function
+let ensure_result = cmd_ensure_exists("curl");
+print(`✓ cmd_ensure_exists: ${ensure_result}`);
+
+// Test download function with a small file
+let download_url = "https://raw.githubusercontent.com/rust-lang/rust/master/LICENSE-MIT";
+let download_dest = test_dir + "/license.txt";
+let min_size_kb = 1; // Minimum size in KB
+
+print(`Downloading ${download_url}...`);
+let download_result = download_file(download_url, download_dest, min_size_kb);
+assert_true(exist(download_dest), "Download failed");
+print(`✓ download_file: ${download_result}`);
+
+// Verify the downloaded file
+let file_content = file_read(download_dest);
+assert_true(file_content.contains("Permission is hereby granted"), "Downloaded file content is incorrect");
+print("✓ Downloaded file content verified");
+
+// Test chmod_exec function
+let chmod_result = chmod_exec(download_dest);
+print(`✓ chmod_exec: ${chmod_result}`);
+
+// Clean up
+delete(test_dir);
+assert_true(!exist(test_dir), "Directory deletion failed");
+print(`✓ Cleanup: Directory ${test_dir} removed`);
+
+print("All download tests completed successfully!");